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Chesapeake Energy Corp – ‘10-Q’ for 3/31/12 – ‘EX-101.LAB’

On:  Friday, 5/11/12, at 3:14pm ET   ·   For:  3/31/12   ·   Accession #:  1193125-12-228139   ·   File #:  1-13726

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  As Of               Filer                 Filing    For·On·As Docs:Size             Issuer                      Filing Agent

 5/11/12  Chesapeake Energy Corp            10-Q        3/31/12   94:15M                                    Donnelley … Solutions/FA

Quarterly Report   —   Form 10-Q   —   Sect. 13 / 15(d) – SEA’34
Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: 10-Q        Quarterly Report                                    HTML   1.34M 
 2: EX-12       Ratios of Earnings                                  HTML     67K 
 3: EX-31.1     Chief Executive Officer Certification Pursuant to   HTML     36K 
                Section 302                                                      
 4: EX-31.2     Chief Financial Officer Certification Pursuant to   HTML     37K 
                Section 302                                                      
 5: EX-32.1     Chief Executive Officer Certification Pursuant to   HTML     31K 
                Section 906                                                      
 6: EX-32.2     Chief Financial Officer Certification Pursuant to   HTML     32K 
                Section 906                                                      
65: R1          Document And Entity Information                     HTML     51K 
51: R2          Condensed Consolidated Balance Sheets               HTML    200K 
63: R3          Condensed Consolidated Balance Sheets               HTML     92K 
                (Parenthetical)                                                  
67: R4          Condensed Consolidated Statements Of Operations     HTML    155K 
86: R5          Condensed Consolidated Statements Of Comprehensive  HTML     80K 
                Income (Loss)                                                    
53: R6          Condensed Consolidated Statements Of Comprehensive  HTML     43K 
                Income (Loss) (Parenthetical)                                    
62: R7          Condensed Consolidated Statements Of Cash Flows     HTML    178K 
46: R8          Condensed Consolidated Statements Of Cash Flows     HTML     37K 
                (Parenthetical)                                                  
36: R9          Condensed Consolidated Statements Of Stockholders'  HTML    107K 
                Equity                                                           
87: R10         Condensed Consolidated Statements Of Stockholders'  HTML     36K 
                Equity (Parenthetical)                                           
69: R11         Basis Of Presentation And Summary Of Significant    HTML     36K 
                Accounting Policies                                              
68: R12         Net Income Per Share                                HTML     51K 
74: R13         Debt                                                HTML     93K 
75: R14         Contingencies And Commitments                       HTML     78K 
72: R15         Other Long-Term Liabilities                         HTML     44K 
76: R16         Stockholders' Equity, Restricted Stock, Stock       HTML    107K 
                Options And Noncontrolling Interests                             
64: R17         Derivative And Hedging Activities                   HTML    167K 
66: R18         Acquisitions And Divestitures                       HTML     89K 
71: R19         Investments                                         HTML     68K 
94: R20         Variable Interest Entities                          HTML     43K 
82: R21         Fair Value Measurements                             HTML    140K 
57: R22         Segment Information                                 HTML     74K 
70: R23         Condensed Consolidating Financial Information       HTML    354K 
59: R24         Recently Issued And Proposed Accounting Standards   HTML     40K 
27: R25         Subsequent Events                                   HTML     32K 
83: R26         Basis Of Presentation And Summary Of Significant    HTML     51K 
                Accounting Policies (Policy)                                     
90: R27         Net Income Per Share (Tables)                       HTML     48K 
41: R28         Debt (Tables)                                       HTML     73K 
40: R29         Contingencies And Commitments (Tables)              HTML     36K 
44: R30         Other Long-Term Liabilities (Tables)                HTML     44K 
45: R31         Stockholders' Equity, Restricted Stock, Stock       HTML     72K 
                Options And Noncontrolling Interests (Tables)                    
47: R32         Derivative And Hedging Activities (Tables)          HTML    150K 
20: R33         Acquisitions And Divestitures (Tables)              HTML     85K 
80: R34         Investments (Tables)                                HTML     49K 
55: R35         Fair Value Measurements (Tables)                    HTML    137K 
58: R36         Segment Information (Tables)                        HTML     66K 
31: R37         Condensed Consolidating Financial Information       HTML    352K 
                (Tables)                                                         
93: R38         Basis Of Presentation And Summary Of Significant    HTML     37K 
                Accounting Policies (Narrative) (Details)                        
13: R39         Net Income Per Share (Narrative) (Details)          HTML     50K 
48: R40         Net Income Per Share (Schedule Of Antidilutive      HTML     47K 
                Securities Excluded From Computation Of Earnings                 
                Per Share) (Details)                                             
85: R41         Debt (Narrative) (Details)                          HTML    146K 
29: R42         Debt (Long-Term Debt) (Details)                     HTML     83K 
39: R43         Debt (Long-Term Debt) (Parenthetical) (Details)     HTML     56K 
43: R44         Debt (Bank Credit Facilities) (Details)             HTML     51K 
52: R45         Contingencies And Commitments (Narrative)           HTML    157K 
                (Details)                                                        
19: R46         Contingencies And Commitments (Schedule Of          HTML     41K 
                Aggregate Undiscounted Commitments On Gathering,                 
                Processing And Transportation Agreements)                        
                (Details)                                                        
35: R47         Other Long-Term Liabilities (Schedule Of Other      HTML     74K 
                Long-Term Liabilities) (Details)                                 
15: R48         Stockholders' Equity, Restricted Stock, Stock       HTML    258K 
                Options And Noncontrolling Interests (Narrative)                 
                (Details)                                                        
84: R49         Stockholders' Equity, Restricted Stock, Stock       HTML     41K 
                Options And Noncontrolling Interests (Changes In                 
                Common Stock) (Details)                                          
28: R50         Stockholders' Equity, Restricted Stock, Stock       HTML     37K 
                Options And Noncontrolling Interests (Changes In                 
                Preferred Stock) (Details)                                       
81: R51         Stockholders' Equity, Restricted Stock, Stock       HTML     45K 
                Options And Noncontrolling Interests (Stock-Based                
                Compensation) (Details)                                          
32: R52         Stockholders' Equity, Restricted Stock, Stock       HTML     60K 
                Options And Noncontrolling Interests (Summary Of                 
                The Status Of The Unvested Shares Of Restricted                  
                Stock) (Details)                                                 
49: R53         Stockholders' Equity, Restricted Stock, Stock       HTML     62K 
                Options And Noncontrolling Interests (Information                
                Related To Stock Option Activity) (Details)                      
14: R54         Derivative And Hedging Activities (Narrative)       HTML    108K 
                (Details)                                                        
17: R55         Derivative And Hedging Activities (Oil And Gas      HTML     48K 
                Production/Processing Derivative Activities                      
                Disclosure) (Details)                                            
42: R56         Derivative And Hedging Activities (Components Of    HTML     41K 
                Natural Gas And Oil Sales) (Details)                             
23: R57         Derivative And Hedging Activities (Interest Rate    HTML     37K 
                Derivatives Outstanding) (Details)                               
88: R58         Derivative And Hedging Activities (Interest Income  HTML     48K 
                And Interest Expense Disclosure) (Details)                       
54: R59         Derivative And Hedging Activities (Schedule Of      HTML     52K 
                Derivative Instruments In Condensed Consolidated                 
                Balance Sheets) (Details)                                        
73: R60         Derivative And Hedging Activities (Schedule Of      HTML     36K 
                Derivative Instruments, Gain (Loss) In Statement                 
                Of Financial Performance) (Details)                              
34: R61         Derivative And Hedging Activities (Reconciliation   HTML     43K 
                Of Components Of Accumulated Other Comprehensive                 
                Income (Loss)) (Details)                                         
37: R62         Derivative And Hedging Activities (Schedule Of      HTML     51K 
                Cash Flow Hedge Instruments, Gain (Loss) In                      
                Statement Of Financial Performance) (Details)                    
79: R63         Derivative And Hedging Activities (Derivatives Not  HTML     38K 
                Designated As Hedging Instruments Disclosure)                    
                (Details)                                                        
77: R64         Acquisitions And Divestitures (Narrative)           HTML     58K 
                (Details)                                                        
56: R65         Acquisitions And Divestitures (Drilling And         HTML     68K 
                Completion Costs Associated To Joint Ventures)                   
                (Details)                                                        
78: R66         Acquisitions And Divestitures (Schedule Of          HTML     44K 
                Production Payments) (Details)                                   
33: R67         Investments (Narrative) (Details)                   HTML    138K 
61: R68         Investments (Schedule Of Investments) (Details)     HTML     63K 
89: R69         Variable Interest Entities (Details)                HTML     65K 
16: R70         Fair Value Measurements (Fair Value Of Assets And   HTML     75K 
                Liabilities Measured On A Recurring Basis)                       
                (Details)                                                        
26: R71         Fair Value Measurements (Fair Value, Assets And     HTML     58K 
                Liabilities, Unobservable Input Reconciliation)                  
                (Details)                                                        
50: R72         Fair Value Measurements (Quantitative Disclosures   HTML     58K 
                About Unobservable Inputs For Level 3 Fair Value                 
                Measurements) (Details)                                          
22: R73         Fair Value Measurements (Fair Value, By Balance     HTML     34K 
                Sheet Grouping) (Details)                                        
92: R74         Segment Information (Narrative) (Details)           HTML     33K 
30: R75         Segment Information (Schedule Of Segment Reporting  HTML     55K 
                Information, By Segment) (Details)                               
24: R76         Condensed Consolidating Financial Information       HTML    152K 
                (Condensed Consolidating Balance Sheet) (Details)                
25: R77         Condensed Consolidating Financial Information       HTML    151K 
                (Condensed Consolidating Statement Of Operations)                
                (Details)                                                        
18: R78         Condensed Consolidating Financial Information       HTML    111K 
                (Condensed Consolidating Statements Of Cash Flows)               
                (Details)                                                        
21: R79         Subsequent Events (Details)                         HTML     36K 
91: XML         IDEA XML File -- Filing Summary                      XML    154K 
38: EXCEL       IDEA Workbook of Financial Reports (.xls)            XLS   2.63M 
 7: EX-101.INS  XBRL Instance -- chk-20120331                        XML   3.92M 
 9: EX-101.CAL  XBRL Calculations -- chk-20120331_cal                XML    217K 
10: EX-101.DEF  XBRL Definitions -- chk-20120331_def                 XML   1.03M 
11: EX-101.LAB  XBRL Labels -- chk-20120331_lab                      XML   2.07M 
12: EX-101.PRE  XBRL Presentations -- chk-20120331_pre               XML   1.56M 
 8: EX-101.SCH  XBRL Schema -- chk-20120331                          XSD    353K 
60: ZIP         XBRL Zipped Folder -- 0001193125-12-228139-xbrl      Zip    296K

‘EX-101.LAB’   —   XBRL Labels — chk-20120331_lab

This Exhibit is an XBRL XML File.

                                                                                                                                                                                
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StatementTable_lbl" xml:lang="en-US"> Statement [Table] </label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StatementLineItems_lbl" xml:lang="en-US"> Statement [Line Items] </label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_DocumentType_lbl" xml:lang="en-US"> Document Type </label>
<loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_AmendmentFlag" xlink:label="dei_AmendmentFlag"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_AmendmentFlag" xlink:to="dei_AmendmentFlag_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_AmendmentFlag_lbl" xml:lang="en-US"> Amendment Flag </label>
<loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_DocumentPeriodEndDate" xlink:label="dei_DocumentPeriodEndDate"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentPeriodEndDate" xlink:to="dei_DocumentPeriodEndDate_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_DocumentPeriodEndDate_lbl" xml:lang="en-US"> Document Period End Date </label>
<loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_DocumentFiscalYearFocus" xlink:label="dei_DocumentFiscalYearFocus"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentFiscalYearFocus" xlink:to="dei_DocumentFiscalYearFocus_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_DocumentFiscalYearFocus_lbl" xml:lang="en-US"> Document Fiscal Year Focus </label>
<loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_DocumentFiscalPeriodFocus" xlink:label="dei_DocumentFiscalPeriodFocus"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentFiscalPeriodFocus" xlink:to="dei_DocumentFiscalPeriodFocus_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_DocumentFiscalPeriodFocus_lbl" xml:lang="en-US"> Document Fiscal Period Focus </label>
<loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_TradingSymbol" xlink:label="dei_TradingSymbol"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_TradingSymbol" xlink:to="dei_TradingSymbol_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_TradingSymbol_lbl" xml:lang="en-US"> Trading Symbol </label>
<loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityRegistrantName" xlink:label="dei_EntityRegistrantName"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityRegistrantName" xlink:to="dei_EntityRegistrantName_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityRegistrantName_lbl" xml:lang="en-US"> Entity Registrant Name </label>
<loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityCentralIndexKey" xlink:label="dei_EntityCentralIndexKey"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityCentralIndexKey" xlink:to="dei_EntityCentralIndexKey_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityCentralIndexKey_lbl" xml:lang="en-US"> Entity Central Index Key </label>
<loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_CurrentFiscalYearEndDate" xlink:label="dei_CurrentFiscalYearEndDate"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_CurrentFiscalYearEndDate" xlink:to="dei_CurrentFiscalYearEndDate_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_CurrentFiscalYearEndDate_lbl" xml:lang="en-US"> Current Fiscal Year End Date </label>
<loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityFilerCategory" xlink:label="dei_EntityFilerCategory"/>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityFilerCategory_lbl" xml:lang="en-US"> Entity Filer Category </label>
<loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityCommonStockSharesOutstanding" xlink:label="dei_EntityCommonStockSharesOutstanding"/>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityCommonStockSharesOutstanding_lbl" xml:lang="en-US"> Entity Common Stock, Shares Outstanding </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementOfFinancialPositionAbstract" xlink:label="us-gaap_StatementOfFinancialPositionAbstract"/>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StatementOfFinancialPositionAbstract_lbl" xml:lang="en-US"> Condensed Consolidated Balance Sheets [Abstract] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AssetsAbstract" xlink:label="us-gaap_AssetsAbstract"/>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AssetsAbstract_lbl" xml:lang="en-US"> ASSETS </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AssetsCurrentAbstract" xlink:label="us-gaap_AssetsCurrentAbstract"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetsCurrentAbstract" xlink:to="us-gaap_AssetsCurrentAbstract_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AssetsCurrentAbstract_lbl" xml:lang="en-US"> CURRENT ASSETS: </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xml:lang="en-US"> Cash and cash equivalents </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xml:lang="en-US"> Cash and cash equivalents, end of period </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xml:lang="en-US"> Cash and cash equivalents, beginning of period </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xml:lang="en-US"> Cash and cash equivalents ($47 and $1 attributable to our VIEs) </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xml:lang="en-US"> Cash and Cash Equivalents, at Carrying Value, Total </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xml:lang="en-US"> Cash and cash equivalents attributable to VIEs </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue" xlink:label="us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue" xlink:to="us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue_lbl" xml:lang="en-US"> Restricted Cash and Cash Equivalents, Current </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue_lbl" xml:lang="en-US"> Restricted cash </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccountsReceivableNetCurrent" xlink:label="us-gaap_AccountsReceivableNetCurrent"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccountsReceivableNetCurrent" xlink:to="us-gaap_AccountsReceivableNetCurrent_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccountsReceivableNetCurrent_lbl" xml:lang="en-US"> Accounts receivable </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AccountsReceivableNetCurrent_lbl" xml:lang="en-US"> Accounts receivable ($11 and $0 attributable to our VIEs) </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_AccountsReceivableNetCurrent_lbl" xml:lang="en-US"> Accounts Receivable, Net, Current, Total </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeAssetsCurrent" xlink:label="us-gaap_DerivativeAssetsCurrent"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeAssetsCurrent" xlink:to="us-gaap_DerivativeAssetsCurrent_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DerivativeAssetsCurrent_lbl" xml:lang="en-US"> Derivative Assets Current </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DerivativeAssetsCurrent_lbl" xml:lang="en-US"> Derivative Assets Current </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_DerivativeAssetsCurrent_lbl" xml:lang="en-US"> Short-term derivative assets </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredTaxAssetsNetCurrent" xlink:label="us-gaap_DeferredTaxAssetsNetCurrent"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsNetCurrent" xlink:to="us-gaap_DeferredTaxAssetsNetCurrent_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredTaxAssetsNetCurrent_lbl" xml:lang="en-US"> Deferred income tax asset </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_DeferredTaxAssetsNetCurrent_lbl" xml:lang="en-US"> Deferred Tax Assets, Net, Current, Ending Balance </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_DeferredTaxAssetsNetCurrent_lbl" xml:lang="en-US"> Deferred Tax Assets, Net, Current, Beginning Balance </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DeferredTaxAssetsNetCurrent_lbl" xml:lang="en-US"> Current deferred income tax asset </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_DeferredTaxAssetsNetCurrent_lbl" xml:lang="en-US"> Deferred Tax Assets, Net, Current, Total </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_DeferredTaxAssetsNetCurrent_lbl" xml:lang="en-US"> Deferred tax assets </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherAssetsCurrent" xlink:label="us-gaap_OtherAssetsCurrent"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherAssetsCurrent" xlink:to="us-gaap_OtherAssetsCurrent_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherAssetsCurrent_lbl" xml:lang="en-US"> Other current assets </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OtherAssetsCurrent_lbl" xml:lang="en-US"> Other current assets </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_OtherAssetsCurrent_lbl" xml:lang="en-US"> Other </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AssetsCurrent" xlink:label="us-gaap_AssetsCurrent"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetsCurrent" xlink:to="us-gaap_AssetsCurrent_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AssetsCurrent_lbl" xml:lang="en-US"> Total Current Assets </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_AssetsCurrent_lbl" xml:lang="en-US"> Total Current Assets </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_NaturalGasAndOilPropertiesAtCostBasedOnFullCostAccountingAbstract" xlink:label="chk_NaturalGasAndOilPropertiesAtCostBasedOnFullCostAccountingAbstract"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_NaturalGasAndOilPropertiesAtCostBasedOnFullCostAccountingAbstract" xlink:to="chk_NaturalGasAndOilPropertiesAtCostBasedOnFullCostAccountingAbstract_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_NaturalGasAndOilPropertiesAtCostBasedOnFullCostAccountingAbstract_lbl" xml:lang="en-US"> Natural Gas and Oil Properties, At Cost Based On Full-cost Accounting </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_NaturalGasAndOilPropertiesAtCostBasedOnFullCostAccountingAbstract_lbl" xml:lang="en-US"> Natural Gas And Oil Properties At Cost Based On Full Cost Accounting [Abstract] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_NaturalGasAndOilPropertiesAtCostBasedOnFullCostAccountingAbstract_lbl" xml:lang="en-US"> Natural gas and oil properties, at cost based on full cost accounting: </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CapitalizedCostsProvedProperties" xlink:label="us-gaap_CapitalizedCostsProvedProperties"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalizedCostsProvedProperties" xlink:to="us-gaap_CapitalizedCostsProvedProperties_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CapitalizedCostsProvedProperties_lbl" xml:lang="en-US"> Capitalized Costs, Proved Properties </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CapitalizedCostsProvedProperties_lbl" xml:lang="en-US"> Evaluated natural gas and oil properties attributable to VIEs </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_CapitalizedCostsProvedProperties_lbl" xml:lang="en-US"> Evaluated natural gas and oil properties ($488 and $498 attributable to our VIEs) </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationCumulative" xlink:label="us-gaap_CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationCumulative"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationCumulative" xlink:to="us-gaap_CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationCumulative_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationCumulative_lbl" xml:lang="en-US"> Unevaluated Oil And Gas Property Full Cost Method Gross </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationCumulative_lbl" xml:lang="en-US"> Unevaluated properties </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationCumulative_lbl" xml:lang="en-US"> Capitalized cost cumulative, total </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_NaturalGasGatheringSystemsAndTreatingPlants" xlink:label="chk_NaturalGasGatheringSystemsAndTreatingPlants"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_NaturalGasGatheringSystemsAndTreatingPlants" xlink:to="chk_NaturalGasGatheringSystemsAndTreatingPlants_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_NaturalGasGatheringSystemsAndTreatingPlants_lbl" xml:lang="en-US"> Natural gas gathering systems and treating plants </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_NaturalGasGatheringSystemsAndTreatingPlants_lbl" xml:lang="en-US"> Natural gas gathering systems and treating plants </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_NaturalGasGatheringSystemsAndTreatingPlants_lbl" xml:lang="en-US"> Natural gas gathering systems and treating plants ($48 and $0 attributable to our VIEs) </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CapitalizedCostsSupportEquipmentAndFacilities" xlink:label="us-gaap_CapitalizedCostsSupportEquipmentAndFacilities"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalizedCostsSupportEquipmentAndFacilities" xlink:to="us-gaap_CapitalizedCostsSupportEquipmentAndFacilities_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CapitalizedCostsSupportEquipmentAndFacilities_lbl" xml:lang="en-US"> Drilling rigs and equipment </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CapitalizedCostsSupportEquipmentAndFacilities_lbl" xml:lang="en-US"> Geological and geophysical costs </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_CapitalizedCostsSupportEquipmentAndFacilities_lbl" xml:lang="en-US"> Oilfield services equipment </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PropertyPlantAndEquipmentOther" xlink:label="us-gaap_PropertyPlantAndEquipmentOther"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentOther" xlink:to="us-gaap_PropertyPlantAndEquipmentOther_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PropertyPlantAndEquipmentOther_lbl" xml:lang="en-US"> Other property and equipment </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_PropertyPlantAndEquipmentOther_lbl" xml:lang="en-US"> Other property and equipment </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PropertyPlantAndEquipmentGross" xlink:label="us-gaap_PropertyPlantAndEquipmentGross"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentGross" xlink:to="us-gaap_PropertyPlantAndEquipmentGross_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PropertyPlantAndEquipmentGross_lbl" xml:lang="en-US"> Total Property and Equipment, at Cost </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_PropertyPlantAndEquipmentGross_lbl" xml:lang="en-US"> Property, Plant and Equipment, Gross, Ending Balance </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_PropertyPlantAndEquipmentGross_lbl" xml:lang="en-US"> Property, Plant and Equipment, Gross, Beginning Balance </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_PropertyPlantAndEquipmentGross_lbl" xml:lang="en-US"> Total Property and Equipment, at Cost </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:to="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl" xml:lang="en-US"> Less: accumulated depreciation and amortization of other property and equipment </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl" xml:lang="en-US"> Less: accumulated depreciation, depletion and amortization attributable to VIEs </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedNetLabel" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl" xml:lang="en-US"> Less: accumulated depreciation, depletion and amortization (($18) and ($6) attributable to our VIEs) </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl" xml:lang="en-US"> Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Ending Balance </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl" xml:lang="en-US"> Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Beginning Balance </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl" xml:lang="en-US"> Less: accumulated depreciation, depletion and amortization of natural gas and oil properties </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl" xml:lang="en-US"> Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Total </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl" xml:lang="en-US"> Less: accumulated depreciation and amortization </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="us-gaap_PropertyPlantAndEquipmentNet"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentNet" xlink:to="us-gaap_PropertyPlantAndEquipmentNet_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl" xml:lang="en-US"> Total Property and Equipment, Net </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl" xml:lang="en-US"> Property, Plant and Equipment, Net, Ending Balance </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl" xml:lang="en-US"> Property, Plant and Equipment, Net, Beginning Balance </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl" xml:lang="en-US"> Total Property and Equipment, Net </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AssetsNoncurrentAbstract" xlink:label="us-gaap_AssetsNoncurrentAbstract"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetsNoncurrentAbstract" xlink:to="us-gaap_AssetsNoncurrentAbstract_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AssetsNoncurrentAbstract_lbl" xml:lang="en-US"> LONG-TERM ASSETS: </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AssetsNoncurrentAbstract_lbl" xml:lang="en-US"> LONG-TERM ASSETS: </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LongTermInvestments" xlink:label="us-gaap_LongTermInvestments"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermInvestments" xlink:to="us-gaap_LongTermInvestments_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LongTermInvestments_lbl" xml:lang="en-US"> Long-Term Investments </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LongTermInvestments_lbl" xml:lang="en-US"> Investments </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_LongTermInvestments_lbl" xml:lang="en-US"> Investments </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_LongTermInvestments_lbl" xml:lang="en-US"> Investments </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherAssetsNoncurrent" xlink:label="us-gaap_OtherAssetsNoncurrent"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherAssetsNoncurrent" xlink:to="us-gaap_OtherAssetsNoncurrent_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherAssetsNoncurrent_lbl" xml:lang="en-US"> Other long-term assets </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OtherAssetsNoncurrent_lbl" xml:lang="en-US"> Other long-term assets </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_OtherAssetsNoncurrent_lbl" xml:lang="en-US"> Other Assets, Noncurrent, Total </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_OtherAssetsNoncurrent_lbl" xml:lang="en-US"> Other assets </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_Assets" xlink:label="us-gaap_Assets"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Assets" xlink:to="us-gaap_Assets_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_Assets_lbl" xml:lang="en-US"> TOTAL ASSETS </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/netLabel" xlink:label="us-gaap_Assets_lbl" xml:lang="en-US"> Total Assets </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_Assets_lbl" xml:lang="en-US"> Total assets </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_Assets_lbl" xml:lang="en-US"> TOTAL ASSETS </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_Assets_lbl" xml:lang="en-US"> TOTAL ASSETS </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:label="us-gaap_LiabilitiesAndStockholdersEquityAbstract"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:to="us-gaap_LiabilitiesAndStockholdersEquityAbstract_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LiabilitiesAndStockholdersEquityAbstract_lbl" xml:lang="en-US"> LIABILITIES AND EQUITY </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LiabilitiesCurrentAbstract" xlink:label="us-gaap_LiabilitiesCurrentAbstract"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesCurrentAbstract" xlink:to="us-gaap_LiabilitiesCurrentAbstract_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LiabilitiesCurrentAbstract_lbl" xml:lang="en-US"> CURRENT LIABILITIES: </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccountsPayableCurrent" xlink:label="us-gaap_AccountsPayableCurrent"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccountsPayableCurrent" xlink:to="us-gaap_AccountsPayableCurrent_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccountsPayableCurrent_lbl" xml:lang="en-US"> Accounts payable </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_AccountsPayableCurrent_lbl" xml:lang="en-US"> Accounts Payable, Current, Total </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeLiabilitiesCurrent" xlink:label="us-gaap_DerivativeLiabilitiesCurrent"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeLiabilitiesCurrent" xlink:to="us-gaap_DerivativeLiabilitiesCurrent_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DerivativeLiabilitiesCurrent_lbl" xml:lang="en-US"> Derivative Liabilities Current </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DerivativeLiabilitiesCurrent_lbl" xml:lang="en-US"> Short-term derivative liabilities attributable to VIEs </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_DerivativeLiabilitiesCurrent_lbl" xml:lang="en-US"> Short-term derivative liabilities ($13 and $9 attributable to our VIEs) </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InterestPayableCurrent" xlink:label="us-gaap_InterestPayableCurrent"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestPayableCurrent" xlink:to="us-gaap_InterestPayableCurrent_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InterestPayableCurrent_lbl" xml:lang="en-US"> Accrued interest </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherLiabilitiesCurrent" xlink:label="us-gaap_OtherLiabilitiesCurrent"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherLiabilitiesCurrent" xlink:to="us-gaap_OtherLiabilitiesCurrent_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherLiabilitiesCurrent_lbl" xml:lang="en-US"> Other current liabilities </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/netLabel" xlink:label="us-gaap_OtherLiabilitiesCurrent_lbl" xml:lang="en-US"> Other current liabilities </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OtherLiabilitiesCurrent_lbl" xml:lang="en-US"> Other current liabilities ($37 and $23 attributable to our VIEs) </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_OtherLiabilitiesCurrent_lbl" xml:lang="en-US"> Total other current liabilities </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_OtherLiabilitiesCurrent_lbl" xml:lang="en-US"> Other current liabilities attributable to VIEs </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LiabilitiesCurrent" xlink:label="us-gaap_LiabilitiesCurrent"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesCurrent" xlink:to="us-gaap_LiabilitiesCurrent_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LiabilitiesCurrent_lbl" xml:lang="en-US"> Total Current Liabilities </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_LiabilitiesCurrent_lbl" xml:lang="en-US"> Total Current Liabilities </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LiabilitiesNoncurrentAbstract" xlink:label="us-gaap_LiabilitiesNoncurrentAbstract"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesNoncurrentAbstract" xlink:to="us-gaap_LiabilitiesNoncurrentAbstract_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LiabilitiesNoncurrentAbstract_lbl" xml:lang="en-US"> LONG-TERM LIABILITIES: </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LongTermDebtNoncurrent" xlink:label="us-gaap_LongTermDebtNoncurrent"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtNoncurrent" xlink:to="us-gaap_LongTermDebtNoncurrent_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LongTermDebtNoncurrent_lbl" xml:lang="en-US"> Long-term debt, net </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_LongTermDebtNoncurrent_lbl" xml:lang="en-US"> Long-term Debt, Excluding Current Maturities, Total </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredTaxLiabilitiesNoncurrent" xlink:label="us-gaap_DeferredTaxLiabilitiesNoncurrent"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxLiabilitiesNoncurrent" xlink:to="us-gaap_DeferredTaxLiabilitiesNoncurrent_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredTaxLiabilitiesNoncurrent_lbl" xml:lang="en-US"> Deferred Tax Liabilities Noncurrent </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_DeferredTaxLiabilitiesNoncurrent_lbl" xml:lang="en-US"> Non-current deferred income tax liability </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:label="us-gaap_DeferredTaxLiabilitiesNoncurrent_lbl" xml:lang="en-US"> Total deferred tax liabilities </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DeferredTaxLiabilitiesNoncurrent_lbl" xml:lang="en-US"> Non-current deferred income tax liability </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_DeferredTaxLiabilitiesNoncurrent_lbl" xml:lang="en-US"> Total deferred tax liabilities </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_DeferredTaxLiabilitiesNoncurrent_lbl" xml:lang="en-US"> Deferred income tax liabilities </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeLiabilitiesNoncurrent" xlink:label="us-gaap_DerivativeLiabilitiesNoncurrent"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeLiabilitiesNoncurrent" xlink:to="us-gaap_DerivativeLiabilitiesNoncurrent_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DerivativeLiabilitiesNoncurrent_lbl" xml:lang="en-US"> Derivative Liabilities Noncurrent </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DerivativeLiabilitiesNoncurrent_lbl" xml:lang="en-US"> Long-term derivative liabilities attributable to VIEs </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_DerivativeLiabilitiesNoncurrent_lbl" xml:lang="en-US"> Long-term derivative liabilities ($19 and $10 attributable to our VIEs) </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AssetRetirementObligationsNoncurrent" xlink:label="us-gaap_AssetRetirementObligationsNoncurrent"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetRetirementObligationsNoncurrent" xlink:to="us-gaap_AssetRetirementObligationsNoncurrent_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AssetRetirementObligationsNoncurrent_lbl" xml:lang="en-US"> Asset retirement obligations </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_AssetRetirementObligationsNoncurrent_lbl" xml:lang="en-US"> Asset Retirement Obligations, Noncurrent, Ending Balance </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_AssetRetirementObligationsNoncurrent_lbl" xml:lang="en-US"> Asset Retirement Obligations, Noncurrent, Total </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrent" xlink:label="us-gaap_OtherLiabilitiesNoncurrent"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherLiabilitiesNoncurrent" xlink:to="us-gaap_OtherLiabilitiesNoncurrent_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherLiabilitiesNoncurrent_lbl" xml:lang="en-US"> Other Liabilities Noncurrent </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/netLabel" xlink:label="us-gaap_OtherLiabilitiesNoncurrent_lbl" xml:lang="en-US"> Total other long-term liabilities </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OtherLiabilitiesNoncurrent_lbl" xml:lang="en-US"> Other long-term liabilities </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_OtherLiabilitiesNoncurrent_lbl" xml:lang="en-US"> Total other long-term liabilities </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_OtherLiabilitiesNoncurrent_lbl" xml:lang="en-US"> Other liabilities </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LiabilitiesNoncurrent" xlink:label="us-gaap_LiabilitiesNoncurrent"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesNoncurrent" xlink:to="us-gaap_LiabilitiesNoncurrent_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LiabilitiesNoncurrent_lbl" xml:lang="en-US"> Total Long-Term Liabilities </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_LiabilitiesNoncurrent_lbl" xml:lang="en-US"> Total Long-Term Liabilities </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommitmentsAndContingencies" xlink:label="us-gaap_CommitmentsAndContingencies"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommitmentsAndContingencies" xlink:to="us-gaap_CommitmentsAndContingencies_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommitmentsAndContingencies_lbl" xml:lang="en-US"> CONTINGENCIES AND COMMITMENTS (Note 4) </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_CommitmentsAndContingencies_lbl" xml:lang="en-US"> CONTINGENCIES AND COMMITMENTS (Note 4) </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StockholdersEquityAbstract" xlink:label="us-gaap_StockholdersEquityAbstract"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockholdersEquityAbstract" xlink:to="us-gaap_StockholdersEquityAbstract_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StockholdersEquityAbstract_lbl" xml:lang="en-US"> Stockholders' Equity: </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/netLabel" xlink:label="us-gaap_StockholdersEquityAbstract_lbl" xml:lang="en-US"> EQUITY: </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_StockholdersEquityAbstract_lbl" xml:lang="en-US"> EQUITY: </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_StockholdersEquityAbstract_lbl" xml:lang="en-US"> Chesapeake Stockholders' Equity: </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PreferredStockValue" xlink:label="us-gaap_PreferredStockValue"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PreferredStockValue" xlink:to="us-gaap_PreferredStockValue_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PreferredStockValue_lbl" xml:lang="en-US"> Preferred Stock Value </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_PreferredStockValue_lbl" xml:lang="en-US"> Preferred Stock, Value, Issued, Ending Balance </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_PreferredStockValue_lbl" xml:lang="en-US"> Preferred Stock, Value, Issued, Beginning Balance </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PreferredStockValue_lbl" xml:lang="en-US"> Convertible preferred stock </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_PreferredStockValue_lbl" xml:lang="en-US"> Preferred Stock, Value, Issued, Total </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_PreferredStockValue_lbl" xml:lang="en-US"> Preferred stock, $0.01 par value, 20,000,000 shares authorized: 7,251,515 shares outstanding </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommonStockValue" xlink:label="us-gaap_CommonStockValue"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockValue" xlink:to="us-gaap_CommonStockValue_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommonStockValue_lbl" xml:lang="en-US"> Common stock, $0.01 par value, 1,000,000,000 shares authorized, 0 and 655,251,275 shares issued </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_CommonStockValue_lbl" xml:lang="en-US"> Common Stock, Value, Issued, Ending Balance </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_CommonStockValue_lbl" xml:lang="en-US"> Common Stock, Value, Issued, Beginning Balance </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_CommonStockValue_lbl" xml:lang="en-US"> Common Stock, Value, Issued, Total </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_CommonStockValue_lbl" xml:lang="en-US"> Common stock, $0.01 par value, 1,000,000,000 shares authorized: 664,181,137 and 660,888,159 shares issued </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AdditionalPaidInCapital" xlink:label="us-gaap_AdditionalPaidInCapital"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AdditionalPaidInCapital" xlink:to="us-gaap_AdditionalPaidInCapital_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AdditionalPaidInCapital_lbl" xml:lang="en-US"> Paid-in capital </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_AdditionalPaidInCapital_lbl" xml:lang="en-US"> Additional Paid in Capital, Ending Balance </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_AdditionalPaidInCapital_lbl" xml:lang="en-US"> Additional Paid in Capital, Beginning Balance </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_AdditionalPaidInCapital_lbl" xml:lang="en-US"> Additional Paid in Capital, Total </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RetainedEarningsAccumulatedDeficit" xlink:to="us-gaap_RetainedEarningsAccumulatedDeficit_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit_lbl" xml:lang="en-US"> Retained earnings </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit_lbl" xml:lang="en-US"> Retained Earnings (Accumulated Deficit), Ending Balance </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit_lbl" xml:lang="en-US"> Retained Earnings (Accumulated Deficit), Beginning Balance </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit_lbl" xml:lang="en-US"> Retained Earnings (Accumulated Deficit), Total </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:to="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_lbl" xml:lang="en-US"> Accumulated other comprehensive income (loss), net of tax of $0 million and $102 million, respectively </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_lbl" xml:lang="en-US"> Accumulated Other Comprehensive Income (Loss), Net of Tax, Ending Balance </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_lbl" xml:lang="en-US"> Accumulated Other Comprehensive Income (Loss), Net of Tax, Beginning Balance </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_lbl" xml:lang="en-US"> Accumulated Other Comprehensive Income (Loss), Net of Tax, Total </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_lbl" xml:lang="en-US"> Accumulated other comprehensive income (loss) </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_TreasuryStockValue" xlink:label="us-gaap_TreasuryStockValue"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TreasuryStockValue" xlink:to="us-gaap_TreasuryStockValue_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_TreasuryStockValue_lbl" xml:lang="en-US"> Less: treasury stock, at cost; 0 and 1,221,299 common shares as of March 31, 2011 and December 31, 2010, respectively </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_TreasuryStockValue_lbl" xml:lang="en-US"> Less: treasury stock, at cost; 1,682,354 and 1,552,533 common shares </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_TreasuryStockValue_lbl" xml:lang="en-US"> Treasury Stock, Value, Ending Balance </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_TreasuryStockValue_lbl" xml:lang="en-US"> Treasury Stock, Value, Beginning Balance </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="us-gaap_StockholdersEquity"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockholdersEquity" xlink:to="us-gaap_StockholdersEquity_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StockholdersEquity_lbl" xml:lang="en-US"> Chesapeake stockholders' equity </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_StockholdersEquity_lbl" xml:lang="en-US"> Stockholders' Equity Attributable to Parent, Ending Balance </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_StockholdersEquity_lbl" xml:lang="en-US"> Stockholders' Equity Attributable to Parent, Beginning Balance </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_StockholdersEquity_lbl" xml:lang="en-US"> Total Chesapeake Stockholders' Equity </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_MinorityInterest" xlink:label="us-gaap_MinorityInterest"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MinorityInterest" xlink:to="us-gaap_MinorityInterest_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_MinorityInterest_lbl" xml:lang="en-US"> Noncontrolling interests </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_MinorityInterest_lbl" xml:lang="en-US"> Stockholders' Equity Attributable to Noncontrolling Interest, Ending Balance </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_MinorityInterest_lbl" xml:lang="en-US"> Stockholders' Equity Attributable to Noncontrolling Interest, Beginning Balance </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_MinorityInterest_lbl" xml:lang="en-US"> Noncontrolling interests </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_MinorityInterest_lbl" xml:lang="en-US"> Stockholders' Equity Attributable to Noncontrolling Interest, Total </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:label="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:to="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_lbl" xml:lang="en-US"> Total Stockholders' Equity </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_lbl" xml:lang="en-US"> Balance </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_lbl" xml:lang="en-US"> Balance </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_lbl" xml:lang="en-US"> Total Equity </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_lbl" xml:lang="en-US"> Total Stockholders' Equity </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesAndStockholdersEquity" xlink:to="us-gaap_LiabilitiesAndStockholdersEquity_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity_lbl" xml:lang="en-US"> TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity_lbl" xml:lang="en-US"> TOTAL LIABILITIES AND EQUITY </label>
<loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_LegalEntityAxis" xlink:to="dei_LegalEntityAxis_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_LegalEntityAxis_lbl" xml:lang="en-US"> Legal Entity [Axis] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityDomain" xlink:to="dei_EntityDomain_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityDomain_lbl" xml:lang="en-US"> Entity [Domain] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="dei_EntityDomain_lbl" xml:lang="en-US"> Entity [Domain] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_VariableInterestEntitiesMember" xlink:label="chk_VariableInterestEntitiesMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_VariableInterestEntitiesMember" xlink:to="chk_VariableInterestEntitiesMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_VariableInterestEntitiesMember_lbl" xml:lang="en-US"> Variable Interest Entities [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_VariableInterestEntitiesMember_lbl" xml:lang="en-US"> Variable Interest Entities [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_VariableInterestEntitiesMember_lbl" xml:lang="en-US"> Variable Interest Entities [Member] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PreferredStockParOrStatedValuePerShare" xlink:label="us-gaap_PreferredStockParOrStatedValuePerShare"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PreferredStockParOrStatedValuePerShare" xlink:to="us-gaap_PreferredStockParOrStatedValuePerShare_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PreferredStockParOrStatedValuePerShare_lbl" xml:lang="en-US"> Preferred Stock, Par or Stated Value Per Share </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PreferredStockParOrStatedValuePerShare_lbl" xml:lang="en-US"> Per Share Amount </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_PreferredStockParOrStatedValuePerShare_lbl" xml:lang="en-US"> Preferred stock, par value </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PreferredStockSharesAuthorized" xlink:label="us-gaap_PreferredStockSharesAuthorized"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PreferredStockSharesAuthorized" xlink:to="us-gaap_PreferredStockSharesAuthorized_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PreferredStockSharesAuthorized_lbl" xml:lang="en-US"> Preferred stock, shares authorized </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PreferredStockSharesOutstanding" xlink:label="us-gaap_PreferredStockSharesOutstanding"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PreferredStockSharesOutstanding" xlink:to="us-gaap_PreferredStockSharesOutstanding_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PreferredStockSharesOutstanding_lbl" xml:lang="en-US"> Preferred stock, shares outstanding </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_PreferredStockSharesOutstanding_lbl" xml:lang="en-US"> Preferred stock outstanding at end of period </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_PreferredStockSharesOutstanding_lbl" xml:lang="en-US"> Preferred stock outstanding at beginning of period </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PreferredStockSharesOutstanding_lbl" xml:lang="en-US"> Preferred stock, shares outstanding </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommonStockParOrStatedValuePerShare" xlink:label="us-gaap_CommonStockParOrStatedValuePerShare"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockParOrStatedValuePerShare" xlink:to="us-gaap_CommonStockParOrStatedValuePerShare_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommonStockParOrStatedValuePerShare_lbl" xml:lang="en-US"> Common stock, par value </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CommonStockParOrStatedValuePerShare_lbl" xml:lang="en-US"> Common stock, par value </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommonStockSharesAuthorized" xlink:label="us-gaap_CommonStockSharesAuthorized"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockSharesAuthorized" xlink:to="us-gaap_CommonStockSharesAuthorized_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommonStockSharesAuthorized_lbl" xml:lang="en-US"> Common stock, shares authorized </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CommonStockSharesAuthorized_lbl" xml:lang="en-US"> Common stock, shares authorized </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommonStockSharesIssued" xlink:label="us-gaap_CommonStockSharesIssued"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockSharesIssued" xlink:to="us-gaap_CommonStockSharesIssued_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommonStockSharesIssued_lbl" xml:lang="en-US"> Common stock, shares issued </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_CommonStockSharesIssued_lbl" xml:lang="en-US"> Shares issued at March 31 </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_CommonStockSharesIssued_lbl" xml:lang="en-US"> Shares issued at January 1 </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CommonStockSharesIssued_lbl" xml:lang="en-US"> Common stock, shares issued </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_CommonStockSharesIssued_lbl" xml:lang="en-US"> Common Stock, Shares, Issued, Total </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_TreasuryStockShares" xlink:label="us-gaap_TreasuryStockShares"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TreasuryStockShares" xlink:to="us-gaap_TreasuryStockShares_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_TreasuryStockShares_lbl" xml:lang="en-US"> Treasury stock, shares </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_TreasuryStockShares_lbl" xml:lang="en-US"> Treasury Stock, Shares, Ending Balance </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_TreasuryStockShares_lbl" xml:lang="en-US"> Treasury Stock, Shares, Beginning Balance </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeStatementAbstract" xlink:label="us-gaap_IncomeStatementAbstract"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeStatementAbstract" xlink:to="us-gaap_IncomeStatementAbstract_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeStatementAbstract_lbl" xml:lang="en-US"> Condensed Consolidated Statements Of Operations [Abstract] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RevenuesAbstract" xlink:label="us-gaap_RevenuesAbstract"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RevenuesAbstract" xlink:to="us-gaap_RevenuesAbstract_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RevenuesAbstract_lbl" xml:lang="en-US"> REVENUES: </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OilAndGasSalesRevenue" xlink:label="us-gaap_OilAndGasSalesRevenue"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OilAndGasSalesRevenue" xlink:to="us-gaap_OilAndGasSalesRevenue_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OilAndGasSalesRevenue_lbl" xml:lang="en-US"> Total natural gas and oil sales </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OilAndGasSalesRevenue_lbl" xml:lang="en-US"> Natural gas and oil sales </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_OilAndGasSalesRevenue_lbl" xml:lang="en-US"> Total natural gas and oil sales </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_OilAndGasSalesRevenue_lbl" xml:lang="en-US"> Natural gas and oil </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_GasGatheringTransportationMarketingAndProcessingRevenue" xlink:label="us-gaap_GasGatheringTransportationMarketingAndProcessingRevenue"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GasGatheringTransportationMarketingAndProcessingRevenue" xlink:to="us-gaap_GasGatheringTransportationMarketingAndProcessingRevenue_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_GasGatheringTransportationMarketingAndProcessingRevenue_lbl" xml:lang="en-US"> Marketing, gathering and compression sales </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_GasGatheringTransportationMarketingAndProcessingRevenue_lbl" xml:lang="en-US"> Marketing, gathering and compression </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RevenueOilAndGasServices" xlink:label="us-gaap_RevenueOilAndGasServices"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RevenueOilAndGasServices" xlink:to="us-gaap_RevenueOilAndGasServices_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RevenueOilAndGasServices_lbl" xml:lang="en-US"> Service operations revenue </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_RevenueOilAndGasServices_lbl" xml:lang="en-US"> Oilfield services </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_Revenues" xlink:label="us-gaap_Revenues"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Revenues" xlink:to="us-gaap_Revenues_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_Revenues_lbl" xml:lang="en-US"> Total Revenues </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_Revenues_lbl" xml:lang="en-US"> Total revenues </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_Revenues_lbl" xml:lang="en-US"> Total Revenues </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_Revenues_lbl" xml:lang="en-US"> Revenues </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CostsAndExpensesAbstract" xlink:label="us-gaap_CostsAndExpensesAbstract"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CostsAndExpensesAbstract" xlink:to="us-gaap_CostsAndExpensesAbstract_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CostsAndExpensesAbstract_lbl" xml:lang="en-US"> OPERATING EXPENSES: </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CostsAndExpensesAbstract_lbl" xml:lang="en-US"> OPERATING EXPENSES: </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LeaseOperatingExpense" xlink:label="us-gaap_LeaseOperatingExpense"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LeaseOperatingExpense" xlink:to="us-gaap_LeaseOperatingExpense_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LeaseOperatingExpense_lbl" xml:lang="en-US"> Oil and Gas Property, Lease Operating Expense </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_LeaseOperatingExpense_lbl" xml:lang="en-US"> Production expenses </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LeaseOperatingExpense_lbl" xml:lang="en-US"> Production expenses </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_LeaseOperatingExpense_lbl" xml:lang="en-US"> Natural gas and oil production </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_TaxesExcludingIncomeAndExciseTaxes" xlink:label="us-gaap_TaxesExcludingIncomeAndExciseTaxes"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TaxesExcludingIncomeAndExciseTaxes" xlink:to="us-gaap_TaxesExcludingIncomeAndExciseTaxes_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_TaxesExcludingIncomeAndExciseTaxes_lbl" xml:lang="en-US"> Taxes, Miscellaneous </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_TaxesExcludingIncomeAndExciseTaxes_lbl" xml:lang="en-US"> Production taxes </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_TaxesExcludingIncomeAndExciseTaxes_lbl" xml:lang="en-US"> Production taxes </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_TaxesExcludingIncomeAndExciseTaxes_lbl" xml:lang="en-US"> Taxes, Miscellaneous, Total </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_TaxesExcludingIncomeAndExciseTaxes_lbl" xml:lang="en-US"> Production taxes </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_GasGatheringTransportationMarketingAndProcessingCosts" xlink:label="us-gaap_GasGatheringTransportationMarketingAndProcessingCosts"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GasGatheringTransportationMarketingAndProcessingCosts" xlink:to="us-gaap_GasGatheringTransportationMarketingAndProcessingCosts_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_GasGatheringTransportationMarketingAndProcessingCosts_lbl" xml:lang="en-US"> Gas Gathering, Transportation, Marketing and Processing Costs </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_GasGatheringTransportationMarketingAndProcessingCosts_lbl" xml:lang="en-US"> Gas gathering fees </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_GasGatheringTransportationMarketingAndProcessingCosts_lbl" xml:lang="en-US"> Marketing, gathering and compression </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_CostOfOilAndGasServices" xlink:label="chk_CostOfOilAndGasServices"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_CostOfOilAndGasServices" xlink:to="chk_CostOfOilAndGasServices_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_CostOfOilAndGasServices_lbl" xml:lang="en-US"> Cost incurred in oil and gas-related services including well services (such as drilling, rigs and analytic evaluations), transportation, and other supporting contractor services, during the reporting period. </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_CostOfOilAndGasServices_lbl" xml:lang="en-US"> Cost of Oil and Gas Services </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="chk_CostOfOilAndGasServices_lbl" xml:lang="en-US"> Oilfield services </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_GeneralAndAdministrativeExpense" xlink:label="us-gaap_GeneralAndAdministrativeExpense"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GeneralAndAdministrativeExpense" xlink:to="us-gaap_GeneralAndAdministrativeExpense_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_GeneralAndAdministrativeExpense_lbl" xml:lang="en-US"> General and Administrative Expense </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_GeneralAndAdministrativeExpense_lbl" xml:lang="en-US"> General and Administrative Expense, Total </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_GeneralAndAdministrativeExpense_lbl" xml:lang="en-US"> General and administrative </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DepletionOfOilAndGasProperties" xlink:label="us-gaap_DepletionOfOilAndGasProperties"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DepletionOfOilAndGasProperties" xlink:to="us-gaap_DepletionOfOilAndGasProperties_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DepletionOfOilAndGasProperties_lbl" xml:lang="en-US"> Depletion of Oil and Gas Properties </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_DepletionOfOilAndGasProperties_lbl" xml:lang="en-US"> Depletion and depreciation </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DepletionOfOilAndGasProperties_lbl" xml:lang="en-US"> Carrying value of natural gas and oil properties </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_DepletionOfOilAndGasProperties_lbl" xml:lang="en-US"> Natural gas and oil depreciation, depletion and amortization </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DepreciationAndAmortization" xlink:label="us-gaap_DepreciationAndAmortization"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DepreciationAndAmortization" xlink:to="us-gaap_DepreciationAndAmortization_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DepreciationAndAmortization_lbl" xml:lang="en-US"> Depreciation and amortization of other assets </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_DepreciationAndAmortization_lbl" xml:lang="en-US"> Depreciation, Depletion and Amortization, Nonproduction, Total </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_GainsLossesOnSalesAndImpairmentsOfFixedAssets" xlink:label="chk_GainsLossesOnSalesAndImpairmentsOfFixedAssets"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_GainsLossesOnSalesAndImpairmentsOfFixedAssets" xlink:to="chk_GainsLossesOnSalesAndImpairmentsOfFixedAssets_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_GainsLossesOnSalesAndImpairmentsOfFixedAssets_lbl" xml:lang="en-US"> (Gains) losses on sales and impairments of fixed assets </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_GainsLossesOnSalesAndImpairmentsOfFixedAssets_lbl" xml:lang="en-US"> (Gains) Losses On Sales And Impairments Of Fixed Assets </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="chk_GainsLossesOnSalesAndImpairmentsOfFixedAssets_lbl" xml:lang="en-US"> Gains on sales of fixed assets </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedNetLabel" xlink:label="chk_GainsLossesOnSalesAndImpairmentsOfFixedAssets_lbl" xml:lang="en-US"> Gains on sales of fixed assets </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:label="chk_GainsLossesOnSalesAndImpairmentsOfFixedAssets_lbl" xml:lang="en-US"> Gains on sales of fixed assets </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/netLabel" xlink:label="chk_GainsLossesOnSalesAndImpairmentsOfFixedAssets_lbl" xml:lang="en-US"> (Gains) losses on sales and impairments of fixed assets </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_GainsLossesOnSalesAndImpairmentsOfFixedAssets_lbl" xml:lang="en-US"> (Gains) losses on sales and impairments of fixed assets </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="chk_GainsLossesOnSalesAndImpairmentsOfFixedAssets_lbl" xml:lang="en-US"> (Gains) losses or impairments on sales of other property and equipment </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CostsAndExpenses" xlink:label="us-gaap_CostsAndExpenses"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CostsAndExpenses" xlink:to="us-gaap_CostsAndExpenses_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CostsAndExpenses_lbl" xml:lang="en-US"> Total Operating Costs </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_CostsAndExpenses_lbl" xml:lang="en-US"> Total Operating Expenses </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="us-gaap_OperatingIncomeLoss"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingIncomeLoss" xlink:to="us-gaap_OperatingIncomeLoss_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingIncomeLoss_lbl" xml:lang="en-US"> INCOME (LOSS) FROM OPERATIONS </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_OperatingIncomeLoss_lbl" xml:lang="en-US"> INCOME (LOSS) FROM OPERATIONS </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NonoperatingIncomeExpenseAbstract" xlink:label="us-gaap_NonoperatingIncomeExpenseAbstract"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NonoperatingIncomeExpenseAbstract" xlink:to="us-gaap_NonoperatingIncomeExpenseAbstract_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NonoperatingIncomeExpenseAbstract_lbl" xml:lang="en-US"> OTHER INCOME (EXPENSE): </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InterestExpense" xlink:label="us-gaap_InterestExpense"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestExpense" xlink:to="us-gaap_InterestExpense_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InterestExpense_lbl" xml:lang="en-US"> Interest (expense) income </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_InterestExpense_lbl" xml:lang="en-US"> Interest expense </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:label="us-gaap_InterestExpense_lbl" xml:lang="en-US"> Interest expense </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:label="us-gaap_InterestExpense_lbl" xml:lang="en-US"> Total interest (expense) income </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_InterestExpense_lbl" xml:lang="en-US"> Total interest expense </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_InterestExpense_lbl" xml:lang="en-US"> Interest expense </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InvestmentIncomeNonoperating" xlink:label="us-gaap_InvestmentIncomeNonoperating"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InvestmentIncomeNonoperating" xlink:to="us-gaap_InvestmentIncomeNonoperating_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InvestmentIncomeNonoperating_lbl" xml:lang="en-US"> Investment Income, Nonoperating </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_InvestmentIncomeNonoperating_lbl" xml:lang="en-US"> Earnings (losses) from equity investees </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_InvestmentIncomeNonoperating_lbl" xml:lang="en-US"> Earnings (losses) on investments </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_InvestmentIncomeNonoperating_lbl" xml:lang="en-US"> Investment Income, Nonoperating, Total </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_InvestmentIncomeNonoperating_lbl" xml:lang="en-US"> Earnings (losses) on investments </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_GainsLossesOnRestructuringOfDebt" xlink:label="us-gaap_GainsLossesOnRestructuringOfDebt"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GainsLossesOnRestructuringOfDebt" xlink:to="us-gaap_GainsLossesOnRestructuringOfDebt_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_GainsLossesOnRestructuringOfDebt_lbl" xml:lang="en-US"> Loss on redemptions or exchanges of Chesapeake debt </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/netLabel" xlink:label="us-gaap_GainsLossesOnRestructuringOfDebt_lbl" xml:lang="en-US"> Losses on purchases or exchanges of debt </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_GainsLossesOnRestructuringOfDebt_lbl" xml:lang="en-US"> Losses on redemptions or exchanges of debt </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_GainsLossesOnRestructuringOfDebt_lbl" xml:lang="en-US"> Losses on purchases or exchanges of debt </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherNonoperatingIncomeExpense" xlink:label="us-gaap_OtherNonoperatingIncomeExpense"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherNonoperatingIncomeExpense" xlink:to="us-gaap_OtherNonoperatingIncomeExpense_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherNonoperatingIncomeExpense_lbl" xml:lang="en-US"> Other income </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_OtherNonoperatingIncomeExpense_lbl" xml:lang="en-US"> Other income (expense) </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/netLabel" xlink:label="us-gaap_OtherNonoperatingIncomeExpense_lbl" xml:lang="en-US"> Other income (expense) </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OtherNonoperatingIncomeExpense_lbl" xml:lang="en-US"> Other income </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_OtherNonoperatingIncomeExpense_lbl" xml:lang="en-US"> Other Nonoperating Income (Expense), Total </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_OtherNonoperatingIncomeExpense_lbl" xml:lang="en-US"> Other income </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NonoperatingIncomeExpense" xlink:label="us-gaap_NonoperatingIncomeExpense"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NonoperatingIncomeExpense" xlink:to="us-gaap_NonoperatingIncomeExpense_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NonoperatingIncomeExpense_lbl" xml:lang="en-US"> Total Other Income (Expense) </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_NonoperatingIncomeExpense_lbl" xml:lang="en-US"> Total Other Income (Expense) </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:to="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_lbl" xml:lang="en-US"> Income (loss) before income taxes </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_lbl" xml:lang="en-US"> Income (loss) before income taxes </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_lbl" xml:lang="en-US"> INCOME (LOSS) BEFORE INCOME TAXES </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_lbl" xml:lang="en-US"> INCOME (LOSS) BEFORE INCOME TAXES </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeTaxExpenseBenefitAbstract" xlink:label="us-gaap_IncomeTaxExpenseBenefitAbstract"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxExpenseBenefitAbstract" xlink:to="us-gaap_IncomeTaxExpenseBenefitAbstract_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeTaxExpenseBenefitAbstract_lbl" xml:lang="en-US"> INCOME TAX EXPENSE (BENEFIT): </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_IncomeTaxExpenseBenefitAbstract_lbl" xml:lang="en-US"> INCOME TAX EXPENSE: </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CurrentIncomeTaxExpenseBenefit" xlink:label="us-gaap_CurrentIncomeTaxExpenseBenefit"/>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ProfitLoss_lbl" xml:lang="en-US"> Net income (loss) </label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ProfitLoss_lbl" xml:lang="en-US"> NET INCOME (LOSS) </label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedNetLabel" xlink:label="us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_lbl" xml:lang="en-US"> Net income attributable to noncontrolling interests </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:label="us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_lbl" xml:lang="en-US"> Net (income) loss attributable to noncontrolling interests </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/netLabel" xlink:label="us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_lbl" xml:lang="en-US"> Net income attributable to noncontrolling interests </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_lbl" xml:lang="en-US"> Net Income (Loss) Attributable to Noncontrolling Interest, Total </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_lbl" xml:lang="en-US"> Chesapeake Midstream Partners net income attributable to Global Infrastructure Partners </label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetIncomeLoss_lbl" xml:lang="en-US"> NET INCOME (LOSS) ATTRIBUTABLE TO CHESAPEAKE </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/netLabel" xlink:label="us-gaap_NetIncomeLoss_lbl" xml:lang="en-US"> Net loss attributable to Chesapeake </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_NetIncomeLoss_lbl" xml:lang="en-US"> Net income (loss) </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_NetIncomeLoss_lbl" xml:lang="en-US"> NET INCOME (LOSS) ATTRIBUTABLE TO CHESAPEAKE </label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic"/>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/netLabel" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_lbl" xml:lang="en-US"> Net income (loss) available to common stockholders </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_lbl" xml:lang="en-US"> Basic EPS </label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EarningsPerShareAbstract_lbl" xml:lang="en-US"> Net Income Per Share [Abstract] </label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_EarningsPerShareBasic_lbl" xml:lang="en-US"> Loss per share, basic </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_EarningsPerShareBasic_lbl" xml:lang="en-US"> Earnings Per Share, Basic, Total </label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xml:lang="en-US"> Weighted Average Number of Shares Outstanding, Basic, Total </label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTax_lbl" xml:lang="en-US"> Reclassification of gain on settled derivative instruments, net of income taxes of ($1) million and ($28) million </label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_GainLossOnCashFlowHedgeIneffectivenessNet_lbl" xml:lang="en-US"> Ineffective portion of derivatives qualifying for cash flow hedge accounting, net of income taxes of ($2) million, $2 million, $8 million and ($31) million </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_GainLossOnCashFlowHedgeIneffectivenessNet_lbl" xml:lang="en-US"> Ineffective portion of derivatives qualifying for cash flow hedge accounting, net of income taxes of $0 million and $2 million </label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax" xlink:label="us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax"/>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_lbl" xml:lang="en-US"> Unrealized gain (loss) on available-for-sale securities, net of income taxes of $3 million and $2 million </label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:label="us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest"/>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_lbl" xml:lang="en-US"> Comprehensive income (loss) </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_lbl" xml:lang="en-US"> Comprehensive income (loss) </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_lbl" xml:lang="en-US"> COMPREHENSIVE INCOME (LOSS) </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest" xlink:label="us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest" xlink:to="us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_lbl" xml:lang="en-US"> (Income) attributable to noncontrolling interest </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_lbl" xml:lang="en-US"> Net income attributable to noncontrolling interests </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_lbl" xml:lang="en-US"> Exercised </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_lbl" xml:lang="en-US"> Comprehensive Income, Net of Tax, Attributable to Noncontrolling Interest, Total </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTax" xlink:label="us-gaap_ComprehensiveIncomeNetOfTax"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ComprehensiveIncomeNetOfTax" xlink:to="us-gaap_ComprehensiveIncomeNetOfTax_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ComprehensiveIncomeNetOfTax_lbl" xml:lang="en-US"> Comprehensive income (loss) available to Chesapeake </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_ComprehensiveIncomeNetOfTax_lbl" xml:lang="en-US"> Comprehensive income (loss) attributable to Chesapeake </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ComprehensiveIncomeNetOfTax_lbl" xml:lang="en-US"> COMPREHENSIVE INCOME (LOSS) ATTRIBUTABLE TO CHESAPEAKE </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax" xlink:label="us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax" xlink:to="us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax_lbl" xml:lang="en-US"> Gain (loss) on derivative instruments, income taxes </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeTax" xlink:label="us-gaap_OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeTax"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeTax" xlink:to="us-gaap_OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeTax_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeTax_lbl" xml:lang="en-US"> Reclassification of (gain) loss on settled contracts, income taxes </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeTax_lbl" xml:lang="en-US"> Reclassification of gain on settled derivative instruments, income taxes </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_TaxOnGainLossOnCashFlowHedgeIneffectiveness" xlink:label="chk_TaxOnGainLossOnCashFlowHedgeIneffectiveness"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_TaxOnGainLossOnCashFlowHedgeIneffectiveness" xlink:to="chk_TaxOnGainLossOnCashFlowHedgeIneffectiveness_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_TaxOnGainLossOnCashFlowHedgeIneffectiveness_lbl" xml:lang="en-US"> Tax On Gain (Loss) on Cash Flow Hedge Ineffectiveness, Net </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_TaxOnGainLossOnCashFlowHedgeIneffectiveness_lbl" xml:lang="en-US"> Tax On Gain Loss On Cash Flow Hedge Ineffectiveness </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_TaxOnGainLossOnCashFlowHedgeIneffectiveness_lbl" xml:lang="en-US"> Ineffective portion of derivatives designated as cash flow hedges, income taxes </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax" xlink:label="us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax" xlink:to="us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax_lbl" xml:lang="en-US"> Unrealized (gain) loss on marketable securities, income taxes </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax_lbl" xml:lang="en-US"> Unrealized gain (loss) on available-for-sale securities, income taxes </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementOfCashFlowsAbstract" xlink:label="us-gaap_StatementOfCashFlowsAbstract"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementOfCashFlowsAbstract" xlink:to="us-gaap_StatementOfCashFlowsAbstract_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StatementOfCashFlowsAbstract_lbl" xml:lang="en-US"> Condensed Consolidated Statements Of Cash Flows [Abstract] </label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xml:lang="en-US"> CASH FLOWS FROM OPERATING ACTIVITIES: </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract"/>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xml:lang="en-US"> ADJUSTMENTS TO RECONCILE NET INCOME (LOSS) TO CASH PROVIDED BY OPERATING ACTIVITIES: </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xml:lang="en-US"> ADJUSTMENTS TO RECONCILE NET INCOME TO CASH PROVIDED BY OPERATING ACTIVITIES: </label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DepreciationDepletionAndAmortization_lbl" xml:lang="en-US"> Depreciation, depletion and amortization </label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_UnrealizedGainLossOnDerivatives_lbl" xml:lang="en-US"> Unrealized losses included in natural gas and oil sales </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensation" xlink:label="us-gaap_ShareBasedCompensation"/>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensation_lbl" xml:lang="en-US"> Share-based Compensation </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_ShareBasedCompensation_lbl" xml:lang="en-US"> Share-based Compensation, Total </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ShareBasedCompensation_lbl" xml:lang="en-US"> Stock-based compensation </label>
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<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GainsLossesOnExtinguishmentOfDebt" xlink:to="us-gaap_GainsLossesOnExtinguishmentOfDebt_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_GainsLossesOnExtinguishmentOfDebt_lbl" xml:lang="en-US"> Loss associated with exchanges </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_GainsLossesOnExtinguishmentOfDebt_lbl" xml:lang="en-US"> Losses on purchases or exchanges of debt </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_GainsLossesOnExtinguishmentOfDebt_lbl" xml:lang="en-US"> Debt component of notes </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_GainsLossesOnExtinguishmentOfDebt_lbl" xml:lang="en-US"> Gains (Losses) on Extinguishment of Debt, Total </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherNoncashIncomeExpense" xlink:label="us-gaap_OtherNoncashIncomeExpense"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherNoncashIncomeExpense" xlink:to="us-gaap_OtherNoncashIncomeExpense_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherNoncashIncomeExpense_lbl" xml:lang="en-US"> Adjustments, Noncash Items, to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities, Other </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_OtherNoncashIncomeExpense_lbl" xml:lang="en-US"> Other </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_OtherNoncashIncomeExpense_lbl" xml:lang="en-US"> Other Noncash Income (Expense), Total </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_OtherNoncashIncomeExpense_lbl" xml:lang="en-US"> Other </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet" xlink:label="us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet" xlink:to="us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_lbl" xml:lang="en-US"> Increase (Decrease) in Other Operating Assets and Liabilities, Net </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_lbl" xml:lang="en-US"> Changes in assets and liabilities </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_lbl" xml:lang="en-US"> Increase (Decrease) in Other Operating Assets and Liabilities, Net, Total </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_lbl" xml:lang="en-US"> Changes in assets and liabilities </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:to="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl" xml:lang="en-US"> CASH FLOWS FROM OPERATING ACTIVITIES </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl" xml:lang="en-US"> Cash flows provided by operating activities </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl" xml:lang="en-US"> Cash provided by operating activities </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:to="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_lbl" xml:lang="en-US"> CASH FLOWS FROM INVESTING ACTIVITIES: </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsToExploreAndDevelopOilAndGasProperties" xlink:label="us-gaap_PaymentsToExploreAndDevelopOilAndGasProperties"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsToExploreAndDevelopOilAndGasProperties" xlink:to="us-gaap_PaymentsToExploreAndDevelopOilAndGasProperties_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PaymentsToExploreAndDevelopOilAndGasProperties_lbl" xml:lang="en-US"> Exploration and development of natural gas and oil properties </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_PaymentsToExploreAndDevelopOilAndGasProperties_lbl" xml:lang="en-US"> Drilling and completion costs on proved and unproved properties </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsToAcquireOilAndGasPropertyAndEquipment" xlink:label="us-gaap_PaymentsToAcquireOilAndGasPropertyAndEquipment"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsToAcquireOilAndGasPropertyAndEquipment" xlink:to="us-gaap_PaymentsToAcquireOilAndGasPropertyAndEquipment_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PaymentsToAcquireOilAndGasPropertyAndEquipment_lbl" xml:lang="en-US"> Acquisitions of natural gas and oil proved and unproved properties </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_PaymentsToAcquireOilAndGasPropertyAndEquipment_lbl" xml:lang="en-US"> Acquisitions of proved and unproved properties </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_PaymentsToAcquireOilAndGasPropertyAndEquipment_lbl" xml:lang="en-US"> Payments to Acquire Oil and Gas Property and Equipment, Total </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromSaleOfOilAndGasPropertyAndEquipment" xlink:label="us-gaap_ProceedsFromSaleOfOilAndGasPropertyAndEquipment"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromSaleOfOilAndGasPropertyAndEquipment" xlink:to="us-gaap_ProceedsFromSaleOfOilAndGasPropertyAndEquipment_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProceedsFromSaleOfOilAndGasPropertyAndEquipment_lbl" xml:lang="en-US"> Proceeds from divestitures of proved and unproved properties </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ProceedsFromSaleOfOilAndGasPropertyAndEquipment_lbl" xml:lang="en-US"> Proceeds from sale of producing properties and gathering systems </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_ProceedsFromSaleOfOilAndGasPropertyAndEquipment_lbl" xml:lang="en-US"> Total </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ProceedsFromSaleOfOilAndGasPropertyAndEquipment_lbl" xml:lang="en-US"> Proceeds from sale of producing properties </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsToAcquireOtherPropertyPlantAndEquipment" xlink:label="us-gaap_PaymentsToAcquireOtherPropertyPlantAndEquipment"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsToAcquireOtherPropertyPlantAndEquipment" xlink:to="us-gaap_PaymentsToAcquireOtherPropertyPlantAndEquipment_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PaymentsToAcquireOtherPropertyPlantAndEquipment_lbl" xml:lang="en-US"> Additions to other property and equipment </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_PaymentsToAcquireOtherPropertyPlantAndEquipment_lbl" xml:lang="en-US"> Additions to other property and equipment </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromSaleOfOtherProductiveAssets" xlink:label="us-gaap_ProceedsFromSaleOfOtherProductiveAssets"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromSaleOfOtherProductiveAssets" xlink:to="us-gaap_ProceedsFromSaleOfOtherProductiveAssets_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProceedsFromSaleOfOtherProductiveAssets_lbl" xml:lang="en-US"> Proceeds from sales of other assets </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ProceedsFromSaleOfOtherProductiveAssets_lbl" xml:lang="en-US"> Proceeds from sales of other assets </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ProceedsFromSaleOfOtherProductiveAssets_lbl" xml:lang="en-US"> Proceeds from sale of drilling rigs and equipment </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsForProceedsFromInvestments" xlink:label="us-gaap_PaymentsForProceedsFromInvestments"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsForProceedsFromInvestments" xlink:to="us-gaap_PaymentsForProceedsFromInvestments_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PaymentsForProceedsFromInvestments_lbl" xml:lang="en-US"> Payments for (Proceeds from) Investments </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_PaymentsForProceedsFromInvestments_lbl" xml:lang="en-US"> Proceeds from (additions to) investments </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_PaymentsForProceedsFromInvestments_lbl" xml:lang="en-US"> Payments for (Proceeds from) Investments, Total </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_PaymentsForProceedsFromInvestments_lbl" xml:lang="en-US"> Proceeds from (additions to) investments </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncreaseDecreaseInRestrictedCash" xlink:label="us-gaap_IncreaseDecreaseInRestrictedCash"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInRestrictedCash" xlink:to="us-gaap_IncreaseDecreaseInRestrictedCash_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInRestrictedCash_lbl" xml:lang="en-US"> Increase (Decrease) in Restricted Cash </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_IncreaseDecreaseInRestrictedCash_lbl" xml:lang="en-US"> Increase in restricted cash </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_IncreaseDecreaseInRestrictedCash_lbl" xml:lang="en-US"> Increase in restricted cash </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_IncreaseDecreaseInRestrictedCash_lbl" xml:lang="en-US"> Increase (Decrease) in Restricted Cash, Total </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsForProceedsFromOtherInvestingActivities" xlink:label="us-gaap_PaymentsForProceedsFromOtherInvestingActivities"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsForProceedsFromOtherInvestingActivities" xlink:to="us-gaap_PaymentsForProceedsFromOtherInvestingActivities_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PaymentsForProceedsFromOtherInvestingActivities_lbl" xml:lang="en-US"> Payments for (Proceeds from) Other Investing Activities </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_PaymentsForProceedsFromOtherInvestingActivities_lbl" xml:lang="en-US"> Other </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:to="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl" xml:lang="en-US"> Cash used in investing activities </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl" xml:lang="en-US"> Cash provided by (used in) investing activities </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:to="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_lbl" xml:lang="en-US"> CASH FLOWS FROM FINANCING ACTIVITIES: </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromLinesOfCredit" xlink:label="us-gaap_ProceedsFromLinesOfCredit"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromLinesOfCredit" xlink:to="us-gaap_ProceedsFromLinesOfCredit_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProceedsFromLinesOfCredit_lbl" xml:lang="en-US"> Proceeds from credit facilities borrowings </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_ProceedsFromLinesOfCredit_lbl" xml:lang="en-US"> Proceeds from Lines of Credit, Total </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RepaymentsOfLinesOfCredit" xlink:label="us-gaap_RepaymentsOfLinesOfCredit"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RepaymentsOfLinesOfCredit" xlink:to="us-gaap_RepaymentsOfLinesOfCredit_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RepaymentsOfLinesOfCredit_lbl" xml:lang="en-US"> Payments on credit facilities borrowings </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_RepaymentsOfLinesOfCredit_lbl" xml:lang="en-US"> Payments on credit facilities borrowings </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromIssuanceOfLongTermDebt" xlink:label="us-gaap_ProceedsFromIssuanceOfLongTermDebt"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromIssuanceOfLongTermDebt" xlink:to="us-gaap_ProceedsFromIssuanceOfLongTermDebt_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProceedsFromIssuanceOfLongTermDebt_lbl" xml:lang="en-US"> Proceeds from issuance of senior notes, net of offering costs </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_ProceedsFromIssuanceOfLongTermDebt_lbl" xml:lang="en-US"> Proceeds from issuance of preferred stock, net of offering costs </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RepaymentsOfLongTermDebt" xlink:label="us-gaap_RepaymentsOfLongTermDebt"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RepaymentsOfLongTermDebt" xlink:to="us-gaap_RepaymentsOfLongTermDebt_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RepaymentsOfLongTermDebt_lbl" xml:lang="en-US"> Repayments of Long-term Debt </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_RepaymentsOfLongTermDebt_lbl" xml:lang="en-US"> Cash paid to purchase debt </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:label="us-gaap_RepaymentsOfLongTermDebt_lbl" xml:lang="en-US"> Cash paid to purchase debt </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_RepaymentsOfLongTermDebt_lbl" xml:lang="en-US"> Repayments of Long-term Debt, Total </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_RepaymentsOfLongTermDebt_lbl" xml:lang="en-US"> Cash paid to redeem debt </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsOfDividendsCommonStock" xlink:label="us-gaap_PaymentsOfDividendsCommonStock"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsOfDividendsCommonStock" xlink:to="us-gaap_PaymentsOfDividendsCommonStock_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PaymentsOfDividendsCommonStock_lbl" xml:lang="en-US"> Cash paid for common stock dividends </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_PaymentsOfDividendsCommonStock_lbl" xml:lang="en-US"> Cash paid for common stock dividends </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsOfDividendsPreferredStockAndPreferenceStock" xlink:label="us-gaap_PaymentsOfDividendsPreferredStockAndPreferenceStock"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsOfDividendsPreferredStockAndPreferenceStock" xlink:to="us-gaap_PaymentsOfDividendsPreferredStockAndPreferenceStock_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PaymentsOfDividendsPreferredStockAndPreferenceStock_lbl" xml:lang="en-US"> Cash paid for preferred stock dividends </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_PaymentsOfDividendsPreferredStockAndPreferenceStock_lbl" xml:lang="en-US"> Cash paid for preferred stock dividends </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsForProceedsFromHedgeFinancingActivities" xlink:label="us-gaap_PaymentsForProceedsFromHedgeFinancingActivities"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsForProceedsFromHedgeFinancingActivities" xlink:to="us-gaap_PaymentsForProceedsFromHedgeFinancingActivities_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PaymentsForProceedsFromHedgeFinancingActivities_lbl" xml:lang="en-US"> Realized gains on financing derivatives </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_PaymentsForProceedsFromHedgeFinancingActivities_lbl" xml:lang="en-US"> Cash (paid) received on financing derivatives </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_PaymentsForProceedsFromHedgeFinancingActivities_lbl" xml:lang="en-US"> Payments for (Proceeds from) Hedge, Financing Activities, Total </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromMinorityShareholders" xlink:label="us-gaap_ProceedsFromMinorityShareholders"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromMinorityShareholders" xlink:to="us-gaap_ProceedsFromMinorityShareholders_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProceedsFromMinorityShareholders_lbl" xml:lang="en-US"> Proceeds from sale of noncontrolling interest in midstream joint venture </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/netLabel" xlink:label="us-gaap_ProceedsFromMinorityShareholders_lbl" xml:lang="en-US"> Proceeds from sales of noncontrolling interests </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ProceedsFromMinorityShareholders_lbl" xml:lang="en-US"> Cash distributions received </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ProceedsFromMinorityShareholders_lbl" xml:lang="en-US"> Proceeds from sales of noncontrolling interests </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromOtherDebt" xlink:label="us-gaap_ProceedsFromOtherDebt"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromOtherDebt" xlink:to="us-gaap_ProceedsFromOtherDebt_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProceedsFromOtherDebt_lbl" xml:lang="en-US"> Proceeds from Other Debt </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ProceedsFromOtherDebt_lbl" xml:lang="en-US"> Proceeds from other financings </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsOfDividendsMinorityInterest" xlink:label="us-gaap_PaymentsOfDividendsMinorityInterest"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsOfDividendsMinorityInterest" xlink:to="us-gaap_PaymentsOfDividendsMinorityInterest_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PaymentsOfDividendsMinorityInterest_lbl" xml:lang="en-US"> Payments of Dividends, Noncontrolling Interest </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_PaymentsOfDividendsMinorityInterest_lbl" xml:lang="en-US"> Distributions to noncontrolling interest owners </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PaymentsOfDividendsMinorityInterest_lbl" xml:lang="en-US"> Distributions to noncontrolling interests </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromRepaymentsOfBankOverdrafts" xlink:label="us-gaap_ProceedsFromRepaymentsOfBankOverdrafts"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromRepaymentsOfBankOverdrafts" xlink:to="us-gaap_ProceedsFromRepaymentsOfBankOverdrafts_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProceedsFromRepaymentsOfBankOverdrafts_lbl" xml:lang="en-US"> Net increase (decrease) in outstanding payments in excess of cash balance </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ProceedsFromRepaymentsOfBankOverdrafts_lbl" xml:lang="en-US"> Net increase (decrease) in outstanding payments in excess of cash balance </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromPaymentsForOtherFinancingActivities" xlink:label="us-gaap_ProceedsFromPaymentsForOtherFinancingActivities"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromPaymentsForOtherFinancingActivities" xlink:to="us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_lbl" xml:lang="en-US"> Proceeds from (Payments for) Other Financing Activities </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_lbl" xml:lang="en-US"> Other </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:to="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl" xml:lang="en-US"> Cash provided by (used in) financing activities </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl" xml:lang="en-US"> Cash provided by (used in) financing activities </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:label="us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:to="us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_lbl" xml:lang="en-US"> Net increase (decrease) in cash and cash equivalents </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_lbl" xml:lang="en-US"> Net increase in cash and cash equivalents </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SupplementalCashFlowInformationAbstract" xlink:label="us-gaap_SupplementalCashFlowInformationAbstract"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SupplementalCashFlowInformationAbstract" xlink:to="us-gaap_SupplementalCashFlowInformationAbstract_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SupplementalCashFlowInformationAbstract_lbl" xml:lang="en-US"> SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION OF NET CASH PAYMENTS (REFUNDS) FOR: </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InterestPaidNet" xlink:label="us-gaap_InterestPaidNet"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestPaidNet" xlink:to="us-gaap_InterestPaidNet_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InterestPaidNet_lbl" xml:lang="en-US"> Interest, net of capitalized interest </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_InterestPaidNet_lbl" xml:lang="en-US"> Interest Paid, Net, Total </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeTaxesPaidNet" xlink:label="us-gaap_IncomeTaxesPaidNet"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxesPaidNet" xlink:to="us-gaap_IncomeTaxesPaidNet_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeTaxesPaidNet_lbl" xml:lang="en-US"> Income taxes, net of refunds received </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_IncomeTaxesPaidNet_lbl" xml:lang="en-US"> Income Taxes Paid, Net, Total </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_DividendsDeclaredAndNotPaid" xlink:label="chk_DividendsDeclaredAndNotPaid"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_DividendsDeclaredAndNotPaid" xlink:to="chk_DividendsDeclaredAndNotPaid_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_DividendsDeclaredAndNotPaid_lbl" xml:lang="en-US"> The aggregate amount of dividends declared, but not paid, as of the financial reporting date. </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_DividendsDeclaredAndNotPaid_lbl" xml:lang="en-US"> Dividends Declared And Not Paid </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_DividendsDeclaredAndNotPaid_lbl" xml:lang="en-US"> Dividends payable on common and preferred stock </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_OilAndGasPropertyAndEquipmentAdjustedAsResultOfChangeInAccruedCosts" xlink:label="chk_OilAndGasPropertyAndEquipmentAdjustedAsResultOfChangeInAccruedCosts"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_OilAndGasPropertyAndEquipmentAdjustedAsResultOfChangeInAccruedCosts" xlink:to="chk_OilAndGasPropertyAndEquipmentAdjustedAsResultOfChangeInAccruedCosts_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_OilAndGasPropertyAndEquipmentAdjustedAsResultOfChangeInAccruedCosts_lbl" xml:lang="en-US"> Oil And Gas Property And Equipment Adjusted As Result Of Change In Accrued Costs </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_OilAndGasPropertyAndEquipmentAdjustedAsResultOfChangeInAccruedCosts_lbl" xml:lang="en-US"> Oil And Gas Property And Equipment Adjusted As Result Of Change In Accrued Costs </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_OilAndGasPropertyAndEquipmentAdjustedAsResultOfChangeInAccruedCosts_lbl" xml:lang="en-US"> Natural gas and oil properties adjusted as a result of an increase in accrued exploration and development costs </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_OtherPropertyPlantAndEquipmentAdjustedAsResultOfChangeInAccruedCosts" xlink:label="chk_OtherPropertyPlantAndEquipmentAdjustedAsResultOfChangeInAccruedCosts"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_OtherPropertyPlantAndEquipmentAdjustedAsResultOfChangeInAccruedCosts" xlink:to="chk_OtherPropertyPlantAndEquipmentAdjustedAsResultOfChangeInAccruedCosts_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_OtherPropertyPlantAndEquipmentAdjustedAsResultOfChangeInAccruedCosts_lbl" xml:lang="en-US"> Other Property, Plant and Equipment Adjusted as Result of Change in Accrued Costs </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_OtherPropertyPlantAndEquipmentAdjustedAsResultOfChangeInAccruedCosts_lbl" xml:lang="en-US"> Other Property Plant And Equipment Adjusted As Result Of Change In Accrued Costs </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_OtherPropertyPlantAndEquipmentAdjustedAsResultOfChangeInAccruedCosts_lbl" xml:lang="en-US"> Other property and equipment adjusted as a result of an increase (decrease) in accrued costs </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="chk_OtherPropertyPlantAndEquipmentAdjustedAsResultOfChangeInAccruedCosts_lbl" xml:lang="en-US"> Other property and equipment adjusted as a result of an increase in accrued costs </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_AccruedAcquisitionCosts" xlink:label="chk_AccruedAcquisitionCosts"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_AccruedAcquisitionCosts" xlink:to="chk_AccruedAcquisitionCosts_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_AccruedAcquisitionCosts_lbl" xml:lang="en-US"> Accrued Acquisition Costs </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_AccruedAcquisitionCosts_lbl" xml:lang="en-US"> Accrued Acquisition Costs </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_AccruedAcquisitionCosts_lbl" xml:lang="en-US"> Liabilities related to the purchase of proved and unproved properties </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="chk_AccruedAcquisitionCosts_lbl" xml:lang="en-US"> Accrued acquisition costs </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementOfStockholdersEquityAbstract" xlink:label="us-gaap_StatementOfStockholdersEquityAbstract"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementOfStockholdersEquityAbstract" xlink:to="us-gaap_StatementOfStockholdersEquityAbstract_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StatementOfStockholdersEquityAbstract_lbl" xml:lang="en-US"> Condensed Consolidated Statements Of Stockholders' Equity [Abstract] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="us-gaap_StatementEquityComponentsAxis"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementEquityComponentsAxis" xlink:to="us-gaap_StatementEquityComponentsAxis_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StatementEquityComponentsAxis_lbl" xml:lang="en-US"> Statement, Equity Components [Axis] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="us-gaap_EquityComponentDomain"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EquityComponentDomain" xlink:to="us-gaap_EquityComponentDomain_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EquityComponentDomain_lbl" xml:lang="en-US"> Equity Component [Domain] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_EquityComponentDomain_lbl" xml:lang="en-US"> Equity Component [Domain] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PreferredStockMember" xlink:label="us-gaap_PreferredStockMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PreferredStockMember" xlink:to="us-gaap_PreferredStockMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PreferredStockMember_lbl" xml:lang="en-US"> Preferred Stock [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PreferredStockMember_lbl" xml:lang="en-US"> Preferred Stock [Member] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommonStockMember" xlink:label="us-gaap_CommonStockMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockMember" xlink:to="us-gaap_CommonStockMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommonStockMember_lbl" xml:lang="en-US"> Common Stock [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CommonStockMember_lbl" xml:lang="en-US"> Common Stock [Member] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AdditionalPaidInCapitalMember" xlink:label="us-gaap_AdditionalPaidInCapitalMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AdditionalPaidInCapitalMember" xlink:to="us-gaap_AdditionalPaidInCapitalMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AdditionalPaidInCapitalMember_lbl" xml:lang="en-US"> Additional Paid In Capital [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AdditionalPaidInCapitalMember_lbl" xml:lang="en-US"> Paid-In Capital [Member] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RetainedEarningsMember" xlink:label="us-gaap_RetainedEarningsMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RetainedEarningsMember" xlink:to="us-gaap_RetainedEarningsMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RetainedEarningsMember_lbl" xml:lang="en-US"> Retained Earnings [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RetainedEarningsMember_lbl" xml:lang="en-US"> Retained Earnings [Member] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccumulatedOtherComprehensiveIncomeMember" xlink:to="us-gaap_AccumulatedOtherComprehensiveIncomeMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeMember_lbl" xml:lang="en-US"> Accumulated Other Comprehensive Income [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeMember_lbl" xml:lang="en-US"> Accumulated Other Comprehensive Income (Loss) [Member] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_TreasuryStockMember" xlink:label="us-gaap_TreasuryStockMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TreasuryStockMember" xlink:to="us-gaap_TreasuryStockMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_TreasuryStockMember_lbl" xml:lang="en-US"> Treasury Stock [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_TreasuryStockMember_lbl" xml:lang="en-US"> Treasury Stock - Common [Member] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ParentMember" xlink:label="us-gaap_ParentMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ParentMember" xlink:to="us-gaap_ParentMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ParentMember_lbl" xml:lang="en-US"> Parent [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ParentMember_lbl" xml:lang="en-US"> Total Chesapeake Stockholders' Equity [Member] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NoncontrollingInterestMember" xlink:label="us-gaap_NoncontrollingInterestMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NoncontrollingInterestMember" xlink:to="us-gaap_NoncontrollingInterestMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NoncontrollingInterestMember_lbl" xml:lang="en-US"> Noncontrolling Interest [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_NoncontrollingInterestMember_lbl" xml:lang="en-US"> Noncontrolling Interests [Member] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue" xlink:to="us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_lbl" xml:lang="en-US"> Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition, Value </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_lbl" xml:lang="en-US"> Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition, Total </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_lbl" xml:lang="en-US"> Stock-based compensation </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_AdjustmentsToAdditionalPaidInCapitalRepurchaseOfConvertibleNotes" xlink:label="chk_AdjustmentsToAdditionalPaidInCapitalRepurchaseOfConvertibleNotes"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_AdjustmentsToAdditionalPaidInCapitalRepurchaseOfConvertibleNotes" xlink:to="chk_AdjustmentsToAdditionalPaidInCapitalRepurchaseOfConvertibleNotes_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_AdjustmentsToAdditionalPaidInCapitalRepurchaseOfConvertibleNotes_lbl" xml:lang="en-US"> Adjustments To Additional Paid In Capital Repurchase Of Convertible Notes </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_AdjustmentsToAdditionalPaidInCapitalRepurchaseOfConvertibleNotes_lbl" xml:lang="en-US"> Adjustments To Additional Paid In Capital Repurchase Of Convertible Notes </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_AdjustmentsToAdditionalPaidInCapitalRepurchaseOfConvertibleNotes_lbl" xml:lang="en-US"> Purchase of contingent convertible notes </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation" xlink:to="us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation_lbl" xml:lang="en-US"> Tax benefit (reduction in tax benefit) from exercise of stock-based compensation </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation_lbl" xml:lang="en-US"> Tax benefit (reduction in tax benefit) from exercise of stock-based compensation </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation_lbl" xml:lang="en-US"> Tax benefit (reduction in tax benefit) from exercise of stock-based compensation </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation_lbl" xml:lang="en-US"> Reduction in tax benefit from stock-based compensation </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DividendsCommonStock" xlink:label="us-gaap_DividendsCommonStock"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DividendsCommonStock" xlink:to="us-gaap_DividendsCommonStock_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DividendsCommonStock_lbl" xml:lang="en-US"> Dividends on common stock </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_DividendsCommonStock_lbl" xml:lang="en-US"> Dividends on common stock </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DividendsCommonStock_lbl" xml:lang="en-US"> Dividends on common stock </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_DividendsCommonStock_lbl" xml:lang="en-US"> Dividends, Common Stock, Total </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised" xlink:label="us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised" xlink:to="us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised_lbl" xml:lang="en-US"> Stock Issued During Period, Value, Stock Options Exercised </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised_lbl" xml:lang="en-US"> Exercise of stock options </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPeriodIncreaseDecrease" xlink:label="us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPeriodIncreaseDecrease"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPeriodIncreaseDecrease" xlink:to="us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPeriodIncreaseDecrease_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPeriodIncreaseDecrease_lbl" xml:lang="en-US"> Hedging activity </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPeriodIncreaseDecrease_lbl" xml:lang="en-US"> Other Comprehensive Income, Derivatives Qualifying as Hedges, Net of Tax, Total </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherComprehensiveIncomeAvailableForSaleSecuritiesAdjustmentNetOfTaxPeriodIncreaseDecrease" xlink:label="us-gaap_OtherComprehensiveIncomeAvailableForSaleSecuritiesAdjustmentNetOfTaxPeriodIncreaseDecrease"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherComprehensiveIncomeAvailableForSaleSecuritiesAdjustmentNetOfTaxPeriodIncreaseDecrease" xlink:to="us-gaap_OtherComprehensiveIncomeAvailableForSaleSecuritiesAdjustmentNetOfTaxPeriodIncreaseDecrease_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherComprehensiveIncomeAvailableForSaleSecuritiesAdjustmentNetOfTaxPeriodIncreaseDecrease_lbl" xml:lang="en-US"> Investment activity </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_OtherComprehensiveIncomeAvailableForSaleSecuritiesAdjustmentNetOfTaxPeriodIncreaseDecrease_lbl" xml:lang="en-US"> Other Comprehensive Income, Available-for-sale Securities Adjustment, Net of Tax, Total </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_TreasuryStockValueAcquiredCostMethod" xlink:label="us-gaap_TreasuryStockValueAcquiredCostMethod"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TreasuryStockValueAcquiredCostMethod" xlink:to="us-gaap_TreasuryStockValueAcquiredCostMethod_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_TreasuryStockValueAcquiredCostMethod_lbl" xml:lang="en-US"> Treasury Stock Value Acquired Cost Method </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_TreasuryStockValueAcquiredCostMethod_lbl" xml:lang="en-US"> Purchase of treasury stock, common, for company benefit plans </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:label="us-gaap_TreasuryStockValueAcquiredCostMethod_lbl" xml:lang="en-US"> Purchase of 142,655 and 93,318 shares for company benefit plans </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_TreasuryStockValueAcquiredCostMethod_lbl" xml:lang="en-US"> Purchase of treasury stock, common, for company benefit plans </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation" xlink:label="us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation" xlink:to="us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_lbl" xml:lang="en-US"> Stock Issued During Period Value Share Based Compensation </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/netLabel" xlink:label="us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_lbl" xml:lang="en-US"> Release of 12,834 and 2,310 shares from company benefit plans </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_lbl" xml:lang="en-US"> Release of treasury stock, common, for company benefit plans </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_lbl" xml:lang="en-US"> Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures, Total </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_lbl" xml:lang="en-US"> Exercise of stock options </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_MinorityInterestIncreaseFromStockIssuance" xlink:label="us-gaap_MinorityInterestIncreaseFromStockIssuance"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MinorityInterestIncreaseFromStockIssuance" xlink:to="us-gaap_MinorityInterestIncreaseFromStockIssuance_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_MinorityInterestIncreaseFromStockIssuance_lbl" xml:lang="en-US"> Noncontrolling Interest, Increase from Stock Issuance or Sale of Parent Equity Interest </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_MinorityInterestIncreaseFromStockIssuance_lbl" xml:lang="en-US"> Sales of noncontrolling interests </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders" xlink:label="us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders" xlink:to="us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders_lbl" xml:lang="en-US"> Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders_lbl" xml:lang="en-US"> Distribution to partner </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders_lbl" xml:lang="en-US"> Distributions to noncontrolling interest owners </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_TreasuryStockSharesAcquired" xlink:label="us-gaap_TreasuryStockSharesAcquired"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TreasuryStockSharesAcquired" xlink:to="us-gaap_TreasuryStockSharesAcquired_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_TreasuryStockSharesAcquired_lbl" xml:lang="en-US"> Shares of treasury stock purchase for company benefit plans </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_TreasuryStockSharesAcquired_lbl" xml:lang="en-US"> Purchase of shares for company benefit plans, shares </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation" xlink:label="us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation" xlink:to="us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation_lbl" xml:lang="en-US"> Shares of treasury stock released for company benefit plans </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation_lbl" xml:lang="en-US"> Release of shares for company benefit plans, shares </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation_lbl" xml:lang="en-US"> Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures, Total </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_BasisOfPresentationAndSummaryOfSignificantAccountingPoliciesAbstract" xlink:label="chk_BasisOfPresentationAndSummaryOfSignificantAccountingPoliciesAbstract"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_BasisOfPresentationAndSummaryOfSignificantAccountingPoliciesAbstract" xlink:to="chk_BasisOfPresentationAndSummaryOfSignificantAccountingPoliciesAbstract_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_BasisOfPresentationAndSummaryOfSignificantAccountingPoliciesAbstract_lbl" xml:lang="en-US"> Basis of Presentation and Summary of Significant Accounting Policies [Abstract] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_BasisOfPresentationAndSummaryOfSignificantAccountingPoliciesAbstract_lbl" xml:lang="en-US"> Basis Of Presentation And Summary Of Significant Accounting Policies [Abstract] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_BasisOfPresentationAndSummaryOfSignificantAccountingPoliciesAbstract_lbl" xml:lang="en-US"> Basis of Presentation and Summary of Significant Accounting Policies </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock" xlink:label="us-gaap_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock" xlink:to="us-gaap_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock_lbl" xml:lang="en-US"> Basis of Presentation and Significant Accounting Policies [Text Block] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock_lbl" xml:lang="en-US"> Basis Of Presentation And Summary Of Significant Accounting Policies </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EarningsPerShareTextBlock" xlink:label="us-gaap_EarningsPerShareTextBlock"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EarningsPerShareTextBlock" xlink:to="us-gaap_EarningsPerShareTextBlock_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EarningsPerShareTextBlock_lbl" xml:lang="en-US"> Earnings Per Share </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_EarningsPerShareTextBlock_lbl" xml:lang="en-US"> Net Income Per Share </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtDisclosureAbstract" xlink:label="us-gaap_DebtDisclosureAbstract"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtDisclosureAbstract" xlink:to="us-gaap_DebtDisclosureAbstract_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtDisclosureAbstract_lbl" xml:lang="en-US"> Debt [Abstract] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtDisclosureTextBlock" xlink:label="us-gaap_DebtDisclosureTextBlock"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtDisclosureTextBlock" xlink:to="us-gaap_DebtDisclosureTextBlock_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtDisclosureTextBlock_lbl" xml:lang="en-US"> Debt Disclosure [Text Block] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_DebtDisclosureTextBlock_lbl" xml:lang="en-US"> Debt </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureAbstract"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:to="us-gaap_CommitmentsAndContingenciesDisclosureAbstract_lbl"/>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_AcquisitionsAndDivestituresAbstract_lbl" xml:lang="en-US"> Acquisitions And Divestitures [Abstract] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_AcquisitionsAndDivestituresAbstract_lbl" xml:lang="en-US"> Acquisitions And Divestitures [Abstract] </label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_AcquisitionsAndDivestituresDisclosureTextBlock_lbl" xml:lang="en-US"> Acquisitions And Divestitures Disclosure [Text Block] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_AcquisitionsAndDivestituresDisclosureTextBlock_lbl" xml:lang="en-US"> Acquisitions And Divestitures Disclosure [Text Block] </label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InvestmentsAbstract_lbl" xml:lang="en-US"> Investments [Abstract] </label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_VariableInterestEntitiesAbstract_lbl" xml:lang="en-US"> Variable Interest Entities [Abstract] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_VariableInterestEntitiesAbstract_lbl" xml:lang="en-US"> Variable Interest Entities [Abstract] </label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_VariableInterestEntitiesDisclosureTextBlock_lbl" xml:lang="en-US"> Variable Interest Entities Disclosure [Text Block] </label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_FairValueDisclosuresTextBlock_lbl" xml:lang="en-US"> Fair Value Measurements </label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_SegmentReportingDisclosureTextBlock_lbl" xml:lang="en-US"> Segment Information </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_SegmentReportingDisclosureTextBlock_lbl" xml:lang="en-US"> Major Customers And Segment Information </label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_CondensedConsolidatingFinancialInformationAbstract_lbl" xml:lang="en-US"> Condensed Consolidating Financial Information [Abstract] </label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_RisksAndUncertaintiesPolicyTextBlock_lbl" xml:lang="en-US"> Risks And Uncertainties </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock" xlink:label="us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock" xlink:to="us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock_lbl" xml:lang="en-US"> Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock_lbl" xml:lang="en-US"> Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfDebtTableTextBlock" xlink:label="us-gaap_ScheduleOfDebtTableTextBlock"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfDebtTableTextBlock" xlink:to="us-gaap_ScheduleOfDebtTableTextBlock_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfDebtTableTextBlock_lbl" xml:lang="en-US"> Schedule of Debt [Table Text Block] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ScheduleOfDebtTableTextBlock_lbl" xml:lang="en-US"> Long-Term Debt </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_BankCreditFacilitiesTableTextBlock" xlink:label="chk_BankCreditFacilitiesTableTextBlock"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_BankCreditFacilitiesTableTextBlock" xlink:to="chk_BankCreditFacilitiesTableTextBlock_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_BankCreditFacilitiesTableTextBlock_lbl" xml:lang="en-US"> Bank Credit Facilities [Table Text Block] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_BankCreditFacilitiesTableTextBlock_lbl" xml:lang="en-US"> Bank Credit Facilities [Table Text Block] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_BankCreditFacilitiesTableTextBlock_lbl" xml:lang="en-US"> Bank Credit Facilities </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_ScheduleOfAggregateUndiscountedCommitmentsOnGatheringProcessingAndTransportationAgreementsTableTextBlock" xlink:label="chk_ScheduleOfAggregateUndiscountedCommitmentsOnGatheringProcessingAndTransportationAgreementsTableTextBlock"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_ScheduleOfAggregateUndiscountedCommitmentsOnGatheringProcessingAndTransportationAgreementsTableTextBlock" xlink:to="chk_ScheduleOfAggregateUndiscountedCommitmentsOnGatheringProcessingAndTransportationAgreementsTableTextBlock_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_ScheduleOfAggregateUndiscountedCommitmentsOnGatheringProcessingAndTransportationAgreementsTableTextBlock_lbl" xml:lang="en-US"> Schedule Of Aggregate Undiscounted Commitments On Gathering, Processing And Transportation Agreements [Table Text Block] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_ScheduleOfAggregateUndiscountedCommitmentsOnGatheringProcessingAndTransportationAgreementsTableTextBlock_lbl" xml:lang="en-US"> Schedule Of Aggregate Undiscounted Commitments On Gathering, Processing And Transportation Agreements [Table Text Block] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_ScheduleOfAggregateUndiscountedCommitmentsOnGatheringProcessingAndTransportationAgreementsTableTextBlock_lbl" xml:lang="en-US"> Schedule Of Aggregate Undiscounted Commitments On Gathering, Processing And Transportation Agreements </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_OtherLongTermLiabilitiesTableTextBlock" xlink:label="chk_OtherLongTermLiabilitiesTableTextBlock"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_OtherLongTermLiabilitiesTableTextBlock" xlink:to="chk_OtherLongTermLiabilitiesTableTextBlock_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_OtherLongTermLiabilitiesTableTextBlock_lbl" xml:lang="en-US"> Other long term liabilities table text block </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_OtherLongTermLiabilitiesTableTextBlock_lbl" xml:lang="en-US"> Other Long Term Liabilities Table Text Block </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="chk_OtherLongTermLiabilitiesTableTextBlock_lbl" xml:lang="en-US"> Schedule Of Other Long Term Liabilities </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_ChangesInCommonStockTableTextBlock" xlink:label="chk_ChangesInCommonStockTableTextBlock"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_ChangesInCommonStockTableTextBlock" xlink:to="chk_ChangesInCommonStockTableTextBlock_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_ChangesInCommonStockTableTextBlock_lbl" xml:lang="en-US"> Changes In Common Stock [Table Text Block] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_ChangesInCommonStockTableTextBlock_lbl" xml:lang="en-US"> Changes In Common Stock [Table Text Block] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_ChangesInCommonStockTableTextBlock_lbl" xml:lang="en-US"> Changes In Common Stock </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_PreferredStockTableTextBlock" xlink:label="chk_PreferredStockTableTextBlock"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_PreferredStockTableTextBlock" xlink:to="chk_PreferredStockTableTextBlock_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_PreferredStockTableTextBlock_lbl" xml:lang="en-US"> Preferred Stock [Table Text Block] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_PreferredStockTableTextBlock_lbl" xml:lang="en-US"> Preferred Stock [Table Text Block] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_PreferredStockTableTextBlock_lbl" xml:lang="en-US"> Changes In Preferred Stock </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_ScheduleOfShareBasedCompensationOptionsActivityTableTextBlock" xlink:label="chk_ScheduleOfShareBasedCompensationOptionsActivityTableTextBlock"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_ScheduleOfShareBasedCompensationOptionsActivityTableTextBlock" xlink:to="chk_ScheduleOfShareBasedCompensationOptionsActivityTableTextBlock_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_ScheduleOfShareBasedCompensationOptionsActivityTableTextBlock_lbl" xml:lang="en-US"> Schedule of share based compensation options activity table text block </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_ScheduleOfShareBasedCompensationOptionsActivityTableTextBlock_lbl" xml:lang="en-US"> Schedule Of Share Based Compensation Options Activity [Table Text Block] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_ScheduleOfShareBasedCompensationOptionsActivityTableTextBlock_lbl" xml:lang="en-US"> Stock-Based Compensation </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfNonvestedRestrictedStockUnitsActivityTableTextBlock" xlink:label="us-gaap_ScheduleOfNonvestedRestrictedStockUnitsActivityTableTextBlock"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfNonvestedRestrictedStockUnitsActivityTableTextBlock" xlink:to="us-gaap_ScheduleOfNonvestedRestrictedStockUnitsActivityTableTextBlock_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfNonvestedRestrictedStockUnitsActivityTableTextBlock_lbl" xml:lang="en-US"> Restricted Share Activity Disclosure Text Block </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ScheduleOfNonvestedRestrictedStockUnitsActivityTableTextBlock_lbl" xml:lang="en-US"> Summary Of The Status Of The Unvested Shares Of Restricted Stock </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock" xlink:label="us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock" xlink:to="us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_lbl" xml:lang="en-US"> Schedule Of Share Based Compensation Options Activity Text Block </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_lbl" xml:lang="en-US"> Schedule Of Share-Based Compensation, Options Activity </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_lbl" xml:lang="en-US"> Information Related To Stock Option Activity </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_OilAndGasProductionProcessingDerivativeActivitiesDisclosureTextBlock" xlink:label="chk_OilAndGasProductionProcessingDerivativeActivitiesDisclosureTextBlock"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_OilAndGasProductionProcessingDerivativeActivitiesDisclosureTextBlock" xlink:to="chk_OilAndGasProductionProcessingDerivativeActivitiesDisclosureTextBlock_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_OilAndGasProductionProcessingDerivativeActivitiesDisclosureTextBlock_lbl" xml:lang="en-US"> Oil and Gas Production/Processing Derivative Activities Disclosure. </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_OilAndGasProductionProcessingDerivativeActivitiesDisclosureTextBlock_lbl" xml:lang="en-US"> Oil And Gas Production Processing Derivative Activities Disclosure Text Block </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_OilAndGasProductionProcessingDerivativeActivitiesDisclosureTextBlock_lbl" xml:lang="en-US"> Oil And Gas Production/Processing Derivative Activities Disclosure </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_ScheduleOfComponentsOfNaturalGasAndOilSalesTextBlock" xlink:label="chk_ScheduleOfComponentsOfNaturalGasAndOilSalesTextBlock"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_ScheduleOfComponentsOfNaturalGasAndOilSalesTextBlock" xlink:to="chk_ScheduleOfComponentsOfNaturalGasAndOilSalesTextBlock_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_ScheduleOfComponentsOfNaturalGasAndOilSalesTextBlock_lbl" xml:lang="en-US"> Schedule Of Components Of Natural Gas And Oil Sales [Text Block] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_ScheduleOfComponentsOfNaturalGasAndOilSalesTextBlock_lbl" xml:lang="en-US"> Schedule Of Components Of Natural Gas And Oil Sales [Text Block] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_ScheduleOfComponentsOfNaturalGasAndOilSalesTextBlock_lbl" xml:lang="en-US"> Components Of Natural Gas And Oil Sales </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_InterestRateDerivativesDisclosureTextBlock" xlink:label="chk_InterestRateDerivativesDisclosureTextBlock"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_InterestRateDerivativesDisclosureTextBlock" xlink:to="chk_InterestRateDerivativesDisclosureTextBlock_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_InterestRateDerivativesDisclosureTextBlock_lbl" xml:lang="en-US"> Interest Rate Derivatives Disclosure. </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_InterestRateDerivativesDisclosureTextBlock_lbl" xml:lang="en-US"> Interest Rate Derivatives Disclosure Text Block </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_InterestRateDerivativesDisclosureTextBlock_lbl" xml:lang="en-US"> Interest Rate Derivatives Outstanding </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InterestIncomeAndInterestExpenseDisclosureTextBlock" xlink:label="us-gaap_InterestIncomeAndInterestExpenseDisclosureTextBlock"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestIncomeAndInterestExpenseDisclosureTextBlock" xlink:to="us-gaap_InterestIncomeAndInterestExpenseDisclosureTextBlock_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InterestIncomeAndInterestExpenseDisclosureTextBlock_lbl" xml:lang="en-US"> Interest Income And Interest Expense Disclosure </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock" xlink:label="us-gaap_ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock" xlink:to="us-gaap_ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock_lbl" xml:lang="en-US"> Schedule Of Derivative Instruments Gain Loss In Statement Of Financial Performance Text Block </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock_lbl" xml:lang="en-US"> Schedule Of Derivative Instruments In Condensed Consolidated Balance Sheets </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock" xlink:label="us-gaap_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock" xlink:to="us-gaap_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock_lbl" xml:lang="en-US"> Schedule Of Derivative Instruments In Statement Of Financial Position, Fair Value </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock_lbl" xml:lang="en-US"> Schedule Of Derivative Instruments, Gain (Loss) In Statement Of Financial Performance </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_ScheduleOfReconciliationOfComponentsOfAccumulatedOtherComprehensiveIncomeLossInConsolidatedStatementsOfStockholdersEquityRelatedToCashFlowHedgesTableTextBlock" xlink:label="chk_ScheduleOfReconciliationOfComponentsOfAccumulatedOtherComprehensiveIncomeLossInConsolidatedStatementsOfStockholdersEquityRelatedToCashFlowHedgesTableTextBlock"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_ScheduleOfReconciliationOfComponentsOfAccumulatedOtherComprehensiveIncomeLossInConsolidatedStatementsOfStockholdersEquityRelatedToCashFlowHedgesTableTextBlock" xlink:to="chk_ScheduleOfReconciliationOfComponentsOfAccumulatedOtherComprehensiveIncomeLossInConsolidatedStatementsOfStockholdersEquityRelatedToCashFlowHedgesTableTextBlock_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_ScheduleOfReconciliationOfComponentsOfAccumulatedOtherComprehensiveIncomeLossInConsolidatedStatementsOfStockholdersEquityRelatedToCashFlowHedgesTableTextBlock_lbl" xml:lang="en-US"> Schedule Of Reconciliation Of Components Of Accumulated Other Comprehensive Income (Loss) In The Consolidated Statements Of Stockholders' Equity Related To Cash Flow Hedges [Table Text Block] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_ScheduleOfReconciliationOfComponentsOfAccumulatedOtherComprehensiveIncomeLossInConsolidatedStatementsOfStockholdersEquityRelatedToCashFlowHedgesTableTextBlock_lbl" xml:lang="en-US"> Schedule Of Reconciliation Of Components Of Accumulated Other Comprehensive Income (Loss) In The Consolidated Statements Of Stockholders' Equity Related To Cash Flow Hedges [Table Text Block] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_ScheduleOfReconciliationOfComponentsOfAccumulatedOtherComprehensiveIncomeLossInConsolidatedStatementsOfStockholdersEquityRelatedToCashFlowHedgesTableTextBlock_lbl" xml:lang="en-US"> Reconciliation Of Components Of Accumulated Other Comprehensive Income (Loss) </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_ScheduleOfCashFlowHedgeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock" xlink:label="chk_ScheduleOfCashFlowHedgeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_ScheduleOfCashFlowHedgeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock" xlink:to="chk_ScheduleOfCashFlowHedgeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_ScheduleOfCashFlowHedgeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock_lbl" xml:lang="en-US"> Schedule of Cash Flow Hedge Instruments, Gain (Loss) in Statement of Financial Performance [Text Block] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_ScheduleOfCashFlowHedgeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock_lbl" xml:lang="en-US"> Schedule Of Cash Flow Hedge Instruments Gain Loss In Statement Of Financial Performance Text Block </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_ScheduleOfCashFlowHedgeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock_lbl" xml:lang="en-US"> Schedule Of Cash Flow Hedge Instruments, Gain (Loss) In Statement Of Financial Performance </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_DerivativesNotDesignatedAsHedgingInstrumentsDisclosureTextBlock" xlink:label="chk_DerivativesNotDesignatedAsHedgingInstrumentsDisclosureTextBlock"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_DerivativesNotDesignatedAsHedgingInstrumentsDisclosureTextBlock" xlink:to="chk_DerivativesNotDesignatedAsHedgingInstrumentsDisclosureTextBlock_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_DerivativesNotDesignatedAsHedgingInstrumentsDisclosureTextBlock_lbl" xml:lang="en-US"> Derivatives Not Designated as Hedging Instruments Disclosure [Text Block] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_DerivativesNotDesignatedAsHedgingInstrumentsDisclosureTextBlock_lbl" xml:lang="en-US"> Derivatives Not Designated As Hedging Instruments Disclosure Text Block </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_DerivativesNotDesignatedAsHedgingInstrumentsDisclosureTextBlock_lbl" xml:lang="en-US"> Derivatives Not Designated As Hedging Instruments Disclosure </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_DrillingAndCompletionCostsAssociatedToJointVenturesTextBlock" xlink:label="chk_DrillingAndCompletionCostsAssociatedToJointVenturesTextBlock"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_DrillingAndCompletionCostsAssociatedToJointVenturesTextBlock" xlink:to="chk_DrillingAndCompletionCostsAssociatedToJointVenturesTextBlock_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_DrillingAndCompletionCostsAssociatedToJointVenturesTextBlock_lbl" xml:lang="en-US"> Drilling and Completion Costs Associated to Joint Ventures [Text Block] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_DrillingAndCompletionCostsAssociatedToJointVenturesTextBlock_lbl" xml:lang="en-US"> Drilling And Completion Costs Associated To Joint Ventures Text Block </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_DrillingAndCompletionCostsAssociatedToJointVenturesTextBlock_lbl" xml:lang="en-US"> Drilling And Completion Costs Associated To Joint Ventures </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_ScheduleOfProductionPaymentsTableTextBlock" xlink:label="chk_ScheduleOfProductionPaymentsTableTextBlock"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_ScheduleOfProductionPaymentsTableTextBlock" xlink:to="chk_ScheduleOfProductionPaymentsTableTextBlock_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_ScheduleOfProductionPaymentsTableTextBlock_lbl" xml:lang="en-US"> Contains the proceeds from volumetric production payments, as well as the production in natural gas reserves, and the term of the payments, among other things. </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_ScheduleOfProductionPaymentsTableTextBlock_lbl" xml:lang="en-US"> Schedule of Production Payments [Table Text Block] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_ScheduleOfProductionPaymentsTableTextBlock_lbl" xml:lang="en-US"> Schedule Of Production Payments </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_InvestmentsInEquitySecuritiesDisclosureTextBlock" xlink:label="chk_InvestmentsInEquitySecuritiesDisclosureTextBlock"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_InvestmentsInEquitySecuritiesDisclosureTextBlock" xlink:to="chk_InvestmentsInEquitySecuritiesDisclosureTextBlock_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_InvestmentsInEquitySecuritiesDisclosureTextBlock_lbl" xml:lang="en-US"> Investments in equity securities Disclosure </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_InvestmentsInEquitySecuritiesDisclosureTextBlock_lbl" xml:lang="en-US"> Investments In Equity Securities Disclosure Text Block </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_InvestmentsInEquitySecuritiesDisclosureTextBlock_lbl" xml:lang="en-US"> Investments </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="chk_InvestmentsInEquitySecuritiesDisclosureTextBlock_lbl" xml:lang="en-US"> Schedule Of Investments </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_FairValueOfAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock" xlink:label="chk_FairValueOfAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_FairValueOfAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock" xlink:to="chk_FairValueOfAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_FairValueOfAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock_lbl" xml:lang="en-US"> Fair Value Of Assets And Liabilities Measured On A Recurring Basis [Table Text Block] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_FairValueOfAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock_lbl" xml:lang="en-US"> Fair Value Of Assets And Liabilities Measured On A Recurring Basis [Table Text Block] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_FairValueOfAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock_lbl" xml:lang="en-US"> Fair Value Of Assets And Liabilities Measured On A Recurring Basis </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_FairValueAssetsAndLiabilitiesUnobservableInputReconciliationTextBlock" xlink:label="chk_FairValueAssetsAndLiabilitiesUnobservableInputReconciliationTextBlock"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_FairValueAssetsAndLiabilitiesUnobservableInputReconciliationTextBlock" xlink:to="chk_FairValueAssetsAndLiabilitiesUnobservableInputReconciliationTextBlock_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_FairValueAssetsAndLiabilitiesUnobservableInputReconciliationTextBlock_lbl" xml:lang="en-US"> Fair Value, Assets and Liabilities, Unobservable Input Reconciliation [Text Block] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_FairValueAssetsAndLiabilitiesUnobservableInputReconciliationTextBlock_lbl" xml:lang="en-US"> Fair Value Assets And Liabilities Unobservable Input Reconciliation Text Block </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_FairValueAssetsAndLiabilitiesUnobservableInputReconciliationTextBlock_lbl" xml:lang="en-US"> Fair Value, Assets And Liabilities, Unobservable Input Reconciliation </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_FairValueAssetsAndLiabilityMeasuredOnRecurringBasisUnobservableInputReconciliationTableTextBlock" xlink:label="chk_FairValueAssetsAndLiabilityMeasuredOnRecurringBasisUnobservableInputReconciliationTableTextBlock"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_FairValueAssetsAndLiabilityMeasuredOnRecurringBasisUnobservableInputReconciliationTableTextBlock" xlink:to="chk_FairValueAssetsAndLiabilityMeasuredOnRecurringBasisUnobservableInputReconciliationTableTextBlock_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_FairValueAssetsAndLiabilityMeasuredOnRecurringBasisUnobservableInputReconciliationTableTextBlock_lbl" xml:lang="en-US"> Fair Value Assets And Liability Measured On Recurring Basis Unobservable Input Reconciliation [Table Text Block] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_FairValueAssetsAndLiabilityMeasuredOnRecurringBasisUnobservableInputReconciliationTableTextBlock_lbl" xml:lang="en-US"> Fair Value Assets And Liability Measured On Recurring Basis Unobservable Input Reconciliation [Table Text Block] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_FairValueAssetsAndLiabilityMeasuredOnRecurringBasisUnobservableInputReconciliationTableTextBlock_lbl" xml:lang="en-US"> Quantitative Disclosures About Unobservable Inputs For Level 3 Fair Value Measurements </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueByBalanceSheetGroupingTextBlock" xlink:label="us-gaap_FairValueByBalanceSheetGroupingTextBlock"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueByBalanceSheetGroupingTextBlock" xlink:to="us-gaap_FairValueByBalanceSheetGroupingTextBlock_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueByBalanceSheetGroupingTextBlock_lbl" xml:lang="en-US"> Fair Value, by Balance Sheet Grouping </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_FairValueByBalanceSheetGroupingTextBlock_lbl" xml:lang="en-US"> Fair Value, By Balance Sheet Grouping </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock" xlink:label="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock" xlink:to="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_lbl" xml:lang="en-US"> Schedule Of Segment Reporting Information, By Segment </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_ScheduleOfCondensedConsolidatingBalanceSheetTableTextBlock" xlink:label="chk_ScheduleOfCondensedConsolidatingBalanceSheetTableTextBlock"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_ScheduleOfCondensedConsolidatingBalanceSheetTableTextBlock" xlink:to="chk_ScheduleOfCondensedConsolidatingBalanceSheetTableTextBlock_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_ScheduleOfCondensedConsolidatingBalanceSheetTableTextBlock_lbl" xml:lang="en-US"> Disclosure of the condensed consolidating balance sheet normally using the registrant (parent) as the sole domain member. </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_ScheduleOfCondensedConsolidatingBalanceSheetTableTextBlock_lbl" xml:lang="en-US"> Schedule of Condensed Consolidating Balance Sheet [Table Text Block] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_ScheduleOfCondensedConsolidatingBalanceSheetTableTextBlock_lbl" xml:lang="en-US"> Condensed Consolidating Balance Sheet </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_ScheduleOfCondensedConsolidatingStatementOfOperationsTableTextBlock" xlink:label="chk_ScheduleOfCondensedConsolidatingStatementOfOperationsTableTextBlock"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_ScheduleOfCondensedConsolidatingStatementOfOperationsTableTextBlock" xlink:to="chk_ScheduleOfCondensedConsolidatingStatementOfOperationsTableTextBlock_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_ScheduleOfCondensedConsolidatingStatementOfOperationsTableTextBlock_lbl" xml:lang="en-US"> Disclosure of the condensed statement of operations normally using the registrant (parent) as the sole domain member. </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_ScheduleOfCondensedConsolidatingStatementOfOperationsTableTextBlock_lbl" xml:lang="en-US"> Schedule of Condensed Consolidating Statement of Operations [Table Text Block] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_ScheduleOfCondensedConsolidatingStatementOfOperationsTableTextBlock_lbl" xml:lang="en-US"> Condensed Consolidating Statement Of Operations </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_ScheduleOfCondensedConsolidatingStatementOfCashFlowsTableTextBlock" xlink:label="chk_ScheduleOfCondensedConsolidatingStatementOfCashFlowsTableTextBlock"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_ScheduleOfCondensedConsolidatingStatementOfCashFlowsTableTextBlock" xlink:to="chk_ScheduleOfCondensedConsolidatingStatementOfCashFlowsTableTextBlock_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_ScheduleOfCondensedConsolidatingStatementOfCashFlowsTableTextBlock_lbl" xml:lang="en-US"> Disclosure of the condensed statement of cash flows normally using the registrant (parent) as the sole domain member. </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_ScheduleOfCondensedConsolidatingStatementOfCashFlowsTableTextBlock_lbl" xml:lang="en-US"> Schedule of Condensed Consolidating Statement of Cash Flows [Table Text Block] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_ScheduleOfCondensedConsolidatingStatementOfCashFlowsTableTextBlock_lbl" xml:lang="en-US"> Condensed Consolidating Statements Of Cash Flows </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_PercentageOfProvedReserveVolumesThatAreNaturalGas" xlink:label="chk_PercentageOfProvedReserveVolumesThatAreNaturalGas"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_PercentageOfProvedReserveVolumesThatAreNaturalGas" xlink:to="chk_PercentageOfProvedReserveVolumesThatAreNaturalGas_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_PercentageOfProvedReserveVolumesThatAreNaturalGas_lbl" xml:lang="en-US"> Percentage Of Proved Reserve Volumes That Are Natural Gas </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_PercentageOfProvedReserveVolumesThatAreNaturalGas_lbl" xml:lang="en-US"> Percentage Of Proved Reserve Volumes That Are Natural Gas </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_PercentageOfProvedReserveVolumesThatAreNaturalGas_lbl" xml:lang="en-US"> Percent of estimated proved reserves volumes that are natural gas </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_NaturalGasPercentOfSales" xlink:label="chk_NaturalGasPercentOfSales"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_NaturalGasPercentOfSales" xlink:to="chk_NaturalGasPercentOfSales_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_NaturalGasPercentOfSales_lbl" xml:lang="en-US"> Natural Gas, Percent of Sales </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_NaturalGasPercentOfSales_lbl" xml:lang="en-US"> Natural Gas, Percent of Sales </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_NaturalGasPercentOfSales_lbl" xml:lang="en-US"> Natural gas, percent of sales volume of natural gas </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_OilPercentOfSales" xlink:label="chk_OilPercentOfSales"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_OilPercentOfSales" xlink:to="chk_OilPercentOfSales_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_OilPercentOfSales_lbl" xml:lang="en-US"> Oil, Percent Of Sales </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_OilPercentOfSales_lbl" xml:lang="en-US"> Oil, Percent Of Sales </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_OilPercentOfSales_lbl" xml:lang="en-US"> Oil, percent of sales volume of oil </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_PercentOfSalesRevenueFromLiquidsProduction" xlink:label="chk_PercentOfSalesRevenueFromLiquidsProduction"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_PercentOfSalesRevenueFromLiquidsProduction" xlink:to="chk_PercentOfSalesRevenueFromLiquidsProduction_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_PercentOfSalesRevenueFromLiquidsProduction_lbl" xml:lang="en-US"> Percent Of Sales Revenue From Liquids Production </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_PercentOfSalesRevenueFromLiquidsProduction_lbl" xml:lang="en-US"> Percent Of Sales Revenue From Liquids Production </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_PercentOfSalesRevenueFromLiquidsProduction_lbl" xml:lang="en-US"> Percent of natural gas and oil revenue derived from liquids production, before the effects of hedging </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable" xlink:label="us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable" xlink:to="us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_lbl" xml:lang="en-US"> Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="us-gaap_StatementClassOfStockAxis"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementClassOfStockAxis" xlink:to="us-gaap_StatementClassOfStockAxis_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StatementClassOfStockAxis_lbl" xml:lang="en-US"> Class of Stock [Axis] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="us-gaap_ClassOfStockDomain"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ClassOfStockDomain" xlink:to="us-gaap_ClassOfStockDomain_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ClassOfStockDomain_lbl" xml:lang="en-US"> Class Of Stock [Domain] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ClassOfStockDomain_lbl" xml:lang="en-US"> Class of Stock [Domain] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_FivePointSevenFivePercentCumulativeConvertiblePreferredStockMember" xlink:label="chk_FivePointSevenFivePercentCumulativeConvertiblePreferredStockMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_FivePointSevenFivePercentCumulativeConvertiblePreferredStockMember" xlink:to="chk_FivePointSevenFivePercentCumulativeConvertiblePreferredStockMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_FivePointSevenFivePercentCumulativeConvertiblePreferredStockMember_lbl" xml:lang="en-US"> Five Point Seven Five Percent Cumulative Convertible Preferred Stock [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_FivePointSevenFivePercentCumulativeConvertiblePreferredStockMember_lbl" xml:lang="en-US"> Five Point Seven Five Percent Cumulative Convertible Preferred Stock [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_FivePointSevenFivePercentCumulativeConvertiblePreferredStockMember_lbl" xml:lang="en-US"> 5.75% Cumulative Convertible Preferred Stock [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_FivePointSevenFivePercentCumulativeConvertiblePreferredStockSeriesaMember" xlink:label="chk_FivePointSevenFivePercentCumulativeConvertiblePreferredStockSeriesaMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_FivePointSevenFivePercentCumulativeConvertiblePreferredStockSeriesaMember" xlink:to="chk_FivePointSevenFivePercentCumulativeConvertiblePreferredStockSeriesaMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_FivePointSevenFivePercentCumulativeConvertiblePreferredStockSeriesaMember_lbl" xml:lang="en-US"> Five Point Seven Five Percent Cumulative Convertible Preferred Stock Series A [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_FivePointSevenFivePercentCumulativeConvertiblePreferredStockSeriesaMember_lbl" xml:lang="en-US"> Five Point Seven Five Percent Cumulative Convertible Preferred Stock Seriesa [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_FivePointSevenFivePercentCumulativeConvertiblePreferredStockSeriesaMember_lbl" xml:lang="en-US"> 5.75% Cumulative Convertible Preferred Stock (Series A) [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_CumulativeConvertible5.00PreferredStockSeries2005BMember" xlink:label="chk_CumulativeConvertible5.00PreferredStockSeries2005BMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_CumulativeConvertible5.00PreferredStockSeries2005BMember" xlink:to="chk_CumulativeConvertible5.00PreferredStockSeries2005BMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_CumulativeConvertible5.00PreferredStockSeries2005BMember_lbl" xml:lang="en-US"> 5.00 percent cumulative convertible preferred stock series 2005B </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_CumulativeConvertible5.00PreferredStockSeries2005BMember_lbl" xml:lang="en-US"> Cumulative Convertible5.00 Preferred Stock Series2005 B [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_CumulativeConvertible5.00PreferredStockSeries2005BMember_lbl" xml:lang="en-US"> 5.00% Cumulative Convertible Preferred Stock (Series 2005B) [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_CumulativeConvertible4.50PreferredStockMember" xlink:label="chk_CumulativeConvertible4.50PreferredStockMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_CumulativeConvertible4.50PreferredStockMember" xlink:to="chk_CumulativeConvertible4.50PreferredStockMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_CumulativeConvertible4.50PreferredStockMember_lbl" xml:lang="en-US"> 4.50 percent cumulative convertible preferred stock </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_CumulativeConvertible4.50PreferredStockMember_lbl" xml:lang="en-US"> Cumulative Convertible4.50 Preferred Stock [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_CumulativeConvertible4.50PreferredStockMember_lbl" xml:lang="en-US"> 4.50% Cumulative Convertible Preferred Stock [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesBySecondaryClassificationAxis" xlink:label="chk_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesBySecondaryClassificationAxis"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesBySecondaryClassificationAxis" xlink:to="chk_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesBySecondaryClassificationAxis_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesBySecondaryClassificationAxis_lbl" xml:lang="en-US"> Antidilutive Securities Excluded from Computation of Earnings Per Share, by Antidilutive Securities, by Secondary Classification [Axis] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesBySecondaryClassificationAxis_lbl" xml:lang="en-US"> Antidilutive Securities Excluded from Computation of Earnings Per Share, by Antidilutive Securities, by Secondary Classification [Axis] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_AntidilutiveSecuritiesNameBySecondaryClassificationDomain" xlink:label="chk_AntidilutiveSecuritiesNameBySecondaryClassificationDomain"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_AntidilutiveSecuritiesNameBySecondaryClassificationDomain" xlink:to="chk_AntidilutiveSecuritiesNameBySecondaryClassificationDomain_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_AntidilutiveSecuritiesNameBySecondaryClassificationDomain_lbl" xml:lang="en-US"> Antidilutive Securities, Name, by Secondary Classification [Domain] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_AntidilutiveSecuritiesNameBySecondaryClassificationDomain_lbl" xml:lang="en-US"> Antidilutive Securities Name By Secondary Classification [Domain] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_AntidilutiveSecuritiesNameBySecondaryClassificationDomain_lbl" xml:lang="en-US"> Antidilutive Securities, Name, by Secondary Classification [Domain] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RestrictedStockMember" xlink:label="us-gaap_RestrictedStockMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RestrictedStockMember" xlink:to="us-gaap_RestrictedStockMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RestrictedStockMember_lbl" xml:lang="en-US"> Restricted Stock [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RestrictedStockMember_lbl" xml:lang="en-US"> Unvested Restricted Stock [Member] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StockOptionsMember" xlink:label="us-gaap_StockOptionsMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockOptionsMember" xlink:to="us-gaap_StockOptionsMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StockOptionsMember_lbl" xml:lang="en-US"> Stock Options [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_StockOptionsMember_lbl" xml:lang="en-US"> Outstanding Stock Options [Member] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems" xlink:to="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_lbl" xml:lang="en-US"> Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_NetIncomeLossAdjustments" xlink:label="chk_NetIncomeLossAdjustments"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_NetIncomeLossAdjustments" xlink:to="chk_NetIncomeLossAdjustments_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_NetIncomeLossAdjustments_lbl" xml:lang="en-US"> Net Income (Loss) Adjustments </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_NetIncomeLossAdjustments_lbl" xml:lang="en-US"> Net Income Loss Adjustments </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_NetIncomeLossAdjustments_lbl" xml:lang="en-US"> Net Income Adjustments </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:to="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_lbl" xml:lang="en-US"> Shares </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:label="us-gaap_DebtInstrumentInterestRateStatedPercentage"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:to="us-gaap_DebtInstrumentInterestRateStatedPercentage_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtInstrumentInterestRateStatedPercentage_lbl" xml:lang="en-US"> Debt Instrument, Interest Rate, Stated Percentage </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DebtInstrumentInterestRateStatedPercentage_lbl" xml:lang="en-US"> Interest rate </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="us-gaap_DebtInstrumentTable"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentTable" xlink:to="us-gaap_DebtInstrumentTable_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtInstrumentTable_lbl" xml:lang="en-US"> Schedule of Long-term Debt Instruments [Table] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_VariableInterestRateByTypeAxis" xlink:label="chk_VariableInterestRateByTypeAxis"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_VariableInterestRateByTypeAxis" xlink:to="chk_VariableInterestRateByTypeAxis_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_VariableInterestRateByTypeAxis_lbl" xml:lang="en-US"> Variable Interest Rate, By Type [Axis] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_VariableInterestRateByTypeAxis_lbl" xml:lang="en-US"> Variable Interest Rate, By Type [Axis] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_VariableInterestRateByTypeDomain" xlink:label="chk_VariableInterestRateByTypeDomain"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_VariableInterestRateByTypeDomain" xlink:to="chk_VariableInterestRateByTypeDomain_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_VariableInterestRateByTypeDomain_lbl" xml:lang="en-US"> Variable Interest Rate, By Type [Domain] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_VariableInterestRateByTypeDomain_lbl" xml:lang="en-US"> Variable Interest Rate By Type [Domain] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_VariableInterestRateByTypeDomain_lbl" xml:lang="en-US"> Variable Interest Rate, By Type [Domain] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_UnionBankNMember" xlink:label="chk_UnionBankNMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_UnionBankNMember" xlink:to="chk_UnionBankNMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_UnionBankNMember_lbl" xml:lang="en-US"> Union Bank N.A. [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_UnionBankNMember_lbl" xml:lang="en-US"> Union Bank N [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_UnionBankNMember_lbl" xml:lang="en-US"> Union Bank N.A. [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_WellsFargoBankNationalAssociationMember" xlink:label="chk_WellsFargoBankNationalAssociationMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_WellsFargoBankNationalAssociationMember" xlink:to="chk_WellsFargoBankNationalAssociationMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_WellsFargoBankNationalAssociationMember_lbl" xml:lang="en-US"> Wells Fargo Bank, National Association [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_WellsFargoBankNationalAssociationMember_lbl" xml:lang="en-US"> Wells Fargo Bank National Association [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_WellsFargoBankNationalAssociationMember_lbl" xml:lang="en-US"> Wells Fargo Bank, National Association [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_BankOfAmericaNMember" xlink:label="chk_BankOfAmericaNMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_BankOfAmericaNMember" xlink:to="chk_BankOfAmericaNMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_BankOfAmericaNMember_lbl" xml:lang="en-US"> Bank Of America N.A. [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_BankOfAmericaNMember_lbl" xml:lang="en-US"> Bank Of America N [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_BankOfAmericaNMember_lbl" xml:lang="en-US"> Bank Of America N.A. [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_EurodollarRateMember" xlink:label="chk_EurodollarRateMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_EurodollarRateMember" xlink:to="chk_EurodollarRateMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_EurodollarRateMember_lbl" xml:lang="en-US"> Eurodollar Rate [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_EurodollarRateMember_lbl" xml:lang="en-US"> Eurodollar Rate [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_EurodollarRateMember_lbl" xml:lang="en-US"> Eurodollar Rate [Member] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RangeAxis" xlink:label="us-gaap_RangeAxis"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RangeAxis" xlink:to="us-gaap_RangeAxis_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RangeAxis_lbl" xml:lang="en-US"> Range [Axis] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RangeMember" xlink:label="us-gaap_RangeMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RangeMember" xlink:to="us-gaap_RangeMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RangeMember_lbl" xml:lang="en-US"> Range [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RangeMember_lbl" xml:lang="en-US"> Range [Domain] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_InExcessMember" xlink:label="chk_InExcessMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_InExcessMember" xlink:to="chk_InExcessMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_InExcessMember_lbl" xml:lang="en-US"> In Excess [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_InExcessMember_lbl" xml:lang="en-US"> In Excess [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_InExcessMember_lbl" xml:lang="en-US"> In Excess [Member] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_MaximumMember" xlink:label="us-gaap_MaximumMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MaximumMember" xlink:to="us-gaap_MaximumMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_MaximumMember_lbl" xml:lang="en-US"> Maximum [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_MaximumMember_lbl" xml:lang="en-US"> Maximum [Member] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_MinimumMember" xlink:label="us-gaap_MinimumMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MinimumMember" xlink:to="us-gaap_MinimumMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_MinimumMember_lbl" xml:lang="en-US"> Minimum [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_MinimumMember_lbl" xml:lang="en-US"> Minimum [Member] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="us-gaap_DebtInstrumentAxis"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentAxis" xlink:to="us-gaap_DebtInstrumentAxis_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtInstrumentAxis_lbl" xml:lang="en-US"> Debt Instrument [Axis] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="us-gaap_DebtInstrumentNameDomain"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentNameDomain" xlink:to="us-gaap_DebtInstrumentNameDomain_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtInstrumentNameDomain_lbl" xml:lang="en-US"> Debt Instrument Name [Domain] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DebtInstrumentNameDomain_lbl" xml:lang="en-US"> Debt Instrument, Name [Domain] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_SixPointOneTwoFivePercentSeniorNotesDueTwoThousandTwentyOneMember" xlink:label="chk_SixPointOneTwoFivePercentSeniorNotesDueTwoThousandTwentyOneMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_SixPointOneTwoFivePercentSeniorNotesDueTwoThousandTwentyOneMember" xlink:to="chk_SixPointOneTwoFivePercentSeniorNotesDueTwoThousandTwentyOneMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_SixPointOneTwoFivePercentSeniorNotesDueTwoThousandTwentyOneMember_lbl" xml:lang="en-US"> Six Point One Two Five Percent Senior Notes Due Two Thousand Twenty One [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_SixPointOneTwoFivePercentSeniorNotesDueTwoThousandTwentyOneMember_lbl" xml:lang="en-US"> Six Point One Two Five Percent Senior Notes Due Two Thousand Twenty One [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_SixPointOneTwoFivePercentSeniorNotesDueTwoThousandTwentyOneMember_lbl" xml:lang="en-US"> 6.125% Senior Notes Due 2021 [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_TwoPointSevenFivePercentContingentConvertibleSeniorNotesDueTwoThousandThirtyFiveMember" xlink:label="chk_TwoPointSevenFivePercentContingentConvertibleSeniorNotesDueTwoThousandThirtyFiveMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_TwoPointSevenFivePercentContingentConvertibleSeniorNotesDueTwoThousandThirtyFiveMember" xlink:to="chk_TwoPointSevenFivePercentContingentConvertibleSeniorNotesDueTwoThousandThirtyFiveMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_TwoPointSevenFivePercentContingentConvertibleSeniorNotesDueTwoThousandThirtyFiveMember_lbl" xml:lang="en-US"> Two Point Seven Five Percent Contingent Convertible Senior Notes Due Two Thousand Thirty Five [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_TwoPointSevenFivePercentContingentConvertibleSeniorNotesDueTwoThousandThirtyFiveMember_lbl" xml:lang="en-US"> Two Point Seven Five Percent Contingent Convertible Senior Notes Due Two Thousand Thirty Five [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_TwoPointSevenFivePercentContingentConvertibleSeniorNotesDueTwoThousandThirtyFiveMember_lbl" xml:lang="en-US"> 2.75% Contingent Convertible Senior Notes Due 2035 [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_TwoPointFivePercentContingentConvertibleSeniorNotesDueTwoThousandThirtySevenMember" xlink:label="chk_TwoPointFivePercentContingentConvertibleSeniorNotesDueTwoThousandThirtySevenMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_TwoPointFivePercentContingentConvertibleSeniorNotesDueTwoThousandThirtySevenMember" xlink:to="chk_TwoPointFivePercentContingentConvertibleSeniorNotesDueTwoThousandThirtySevenMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_TwoPointFivePercentContingentConvertibleSeniorNotesDueTwoThousandThirtySevenMember_lbl" xml:lang="en-US"> Two Point Five Percent Contingent Convertible Senior Notes Due Two Thousand Thirty Seven [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_TwoPointFivePercentContingentConvertibleSeniorNotesDueTwoThousandThirtySevenMember_lbl" xml:lang="en-US"> Two Point Five Percent Contingent Convertible Senior Notes Due Two Thousand Thirty Seven [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_TwoPointFivePercentContingentConvertibleSeniorNotesDueTwoThousandThirtySevenMember_lbl" xml:lang="en-US"> 2.5% Contingent Convertible Senior Notes Due 2037 [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_TwoPointTwoFivePercentContingentConvertibleSeniorNotesDueTwoThousandThirtyEightMember" xlink:label="chk_TwoPointTwoFivePercentContingentConvertibleSeniorNotesDueTwoThousandThirtyEightMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_TwoPointTwoFivePercentContingentConvertibleSeniorNotesDueTwoThousandThirtyEightMember" xlink:to="chk_TwoPointTwoFivePercentContingentConvertibleSeniorNotesDueTwoThousandThirtyEightMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_TwoPointTwoFivePercentContingentConvertibleSeniorNotesDueTwoThousandThirtyEightMember_lbl" xml:lang="en-US"> Two Point Two Five Percent Contingent Convertible Senior Notes Due Two Thousand Thirty Eight [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_TwoPointTwoFivePercentContingentConvertibleSeniorNotesDueTwoThousandThirtyEightMember_lbl" xml:lang="en-US"> Two Point Two Five Percent Contingent Convertible Senior Notes Due Two Thousand Thirty Eight [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_TwoPointTwoFivePercentContingentConvertibleSeniorNotesDueTwoThousandThirtyEightMember_lbl" xml:lang="en-US"> 2.25% Contingent Convertible Senior Notes Due 2038 [Member] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SeniorNotesMember" xlink:label="us-gaap_SeniorNotesMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SeniorNotesMember" xlink:to="us-gaap_SeniorNotesMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SeniorNotesMember_lbl" xml:lang="en-US"> Senior Notes [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_SeniorNotesMember_lbl" xml:lang="en-US"> Senior Notes [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_SixPointEightSevenFivePercentSeniorNotesDueTwoThousandEighteenMember" xlink:label="chk_SixPointEightSevenFivePercentSeniorNotesDueTwoThousandEighteenMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_SixPointEightSevenFivePercentSeniorNotesDueTwoThousandEighteenMember" xlink:to="chk_SixPointEightSevenFivePercentSeniorNotesDueTwoThousandEighteenMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_SixPointEightSevenFivePercentSeniorNotesDueTwoThousandEighteenMember_lbl" xml:lang="en-US"> Six Point Eight Seven Five Percent Senior Notes Due Two Thousand Eighteen [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_SixPointEightSevenFivePercentSeniorNotesDueTwoThousandEighteenMember_lbl" xml:lang="en-US"> Six Point Eight Seven Five Percent Senior Notes Due Two Thousand Eighteen [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_SixPointEightSevenFivePercentSeniorNotesDueTwoThousandEighteenMember_lbl" xml:lang="en-US"> 6.875% Senior Notes Due 2018 [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_SixPointSixTwoFivePercentSeniorNotesDueTwoThousandTwentyMember" xlink:label="chk_SixPointSixTwoFivePercentSeniorNotesDueTwoThousandTwentyMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_SixPointSixTwoFivePercentSeniorNotesDueTwoThousandTwentyMember" xlink:to="chk_SixPointSixTwoFivePercentSeniorNotesDueTwoThousandTwentyMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_SixPointSixTwoFivePercentSeniorNotesDueTwoThousandTwentyMember_lbl" xml:lang="en-US"> Six Point Six Two Five Percent Senior Notes Due Two Thousand Twenty [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_SixPointSixTwoFivePercentSeniorNotesDueTwoThousandTwentyMember_lbl" xml:lang="en-US"> Six Point Six Two Five Percent Senior Notes Due Two Thousand Twenty [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_SixPointSixTwoFivePercentSeniorNotesDueTwoThousandTwentyMember_lbl" xml:lang="en-US"> 6.625% Senior Notes Due 2020 [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_SixPointSixTwoFivePercentSeniorNotesDueTwoThousandNineteenMember" xlink:label="chk_SixPointSixTwoFivePercentSeniorNotesDueTwoThousandNineteenMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_SixPointSixTwoFivePercentSeniorNotesDueTwoThousandNineteenMember" xlink:to="chk_SixPointSixTwoFivePercentSeniorNotesDueTwoThousandNineteenMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_SixPointSixTwoFivePercentSeniorNotesDueTwoThousandNineteenMember_lbl" xml:lang="en-US"> Six Point Six Two Five Percent Senior Notes Due Two Thousand Nineteen [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_SixPointSixTwoFivePercentSeniorNotesDueTwoThousandNineteenMember_lbl" xml:lang="en-US"> Six Point Six Two Five Percent Senior Notes Due Two Thousand Nineteen [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_SixPointSixTwoFivePercentSeniorNotesDueTwoThousandNineteenMember_lbl" xml:lang="en-US"> 6.625% Senior Notes Due 2019 [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_SixPointSevenSevenFivePercentSeniorNotesDueTwoThousandNineteenMember" xlink:label="chk_SixPointSevenSevenFivePercentSeniorNotesDueTwoThousandNineteenMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_SixPointSevenSevenFivePercentSeniorNotesDueTwoThousandNineteenMember" xlink:to="chk_SixPointSevenSevenFivePercentSeniorNotesDueTwoThousandNineteenMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_SixPointSevenSevenFivePercentSeniorNotesDueTwoThousandNineteenMember_lbl" xml:lang="en-US"> Six Point Seven Seven Five Percent Senior Notes Due Two Thousand Nineteen [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_SixPointSevenSevenFivePercentSeniorNotesDueTwoThousandNineteenMember_lbl" xml:lang="en-US"> Six Point Seven Seven Five Percent Senior Notes Due Two Thousand Nineteen [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_SixPointSevenSevenFivePercentSeniorNotesDueTwoThousandNineteenMember_lbl" xml:lang="en-US"> 6.775% Senior Notes Due 2019 [Member] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="us-gaap_LongtermDebtTypeAxis"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongtermDebtTypeAxis" xlink:to="us-gaap_LongtermDebtTypeAxis_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LongtermDebtTypeAxis_lbl" xml:lang="en-US"> Long-term Debt, Type [Axis] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="us-gaap_LongtermDebtTypeDomain"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongtermDebtTypeDomain" xlink:to="us-gaap_LongtermDebtTypeDomain_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LongtermDebtTypeDomain_lbl" xml:lang="en-US"> Longterm Debt Type [Domain] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LongtermDebtTypeDomain_lbl" xml:lang="en-US"> Long-term Debt, Type [Domain] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_GeneralCorporateRevolvingBankCreditFacilityMember" xlink:label="chk_GeneralCorporateRevolvingBankCreditFacilityMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_GeneralCorporateRevolvingBankCreditFacilityMember" xlink:to="chk_GeneralCorporateRevolvingBankCreditFacilityMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_GeneralCorporateRevolvingBankCreditFacilityMember_lbl" xml:lang="en-US"> General corporate revolving bank credit facility </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_GeneralCorporateRevolvingBankCreditFacilityMember_lbl" xml:lang="en-US"> General Corporate Revolving Bank Credit Facility [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_GeneralCorporateRevolvingBankCreditFacilityMember_lbl" xml:lang="en-US"> Corporate Revolving Bank Credit Facility [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_CMDRevolvingBankCreditFacilityMember" xlink:label="chk_CMDRevolvingBankCreditFacilityMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_CMDRevolvingBankCreditFacilityMember" xlink:to="chk_CMDRevolvingBankCreditFacilityMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_CMDRevolvingBankCreditFacilityMember_lbl" xml:lang="en-US"> CMD revolving bank credit facility </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_CMDRevolvingBankCreditFacilityMember_lbl" xml:lang="en-US"> C M D Revolving Bank Credit Facility [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_CMDRevolvingBankCreditFacilityMember_lbl" xml:lang="en-US"> Midstream Revolving Bank Credit Facility [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_OilfieldServicesRevolvingCreditFacilityMember" xlink:label="chk_OilfieldServicesRevolvingCreditFacilityMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_OilfieldServicesRevolvingCreditFacilityMember" xlink:to="chk_OilfieldServicesRevolvingCreditFacilityMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_OilfieldServicesRevolvingCreditFacilityMember_lbl" xml:lang="en-US"> Oilfield Services Revolving Credit Facility [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_OilfieldServicesRevolvingCreditFacilityMember_lbl" xml:lang="en-US"> Oilfield Services Revolving Credit Facility [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_OilfieldServicesRevolvingCreditFacilityMember_lbl" xml:lang="en-US"> Oilfield Services Revolving Credit Facility [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_ChesapeakeOilfieldOperatingLlcMember" xlink:label="chk_ChesapeakeOilfieldOperatingLlcMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_ChesapeakeOilfieldOperatingLlcMember" xlink:to="chk_ChesapeakeOilfieldOperatingLlcMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_ChesapeakeOilfieldOperatingLlcMember_lbl" xml:lang="en-US"> Chesapeake Oilfield Operating, LLC [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_ChesapeakeOilfieldOperatingLlcMember_lbl" xml:lang="en-US"> Chesapeake Oilfield Operating Llc [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_ChesapeakeOilfieldOperatingLlcMember_lbl" xml:lang="en-US"> Chesapeake Oilfield Operating, LLC [Member] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="us-gaap_DebtInstrumentLineItems"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="us-gaap_DebtInstrumentLineItems_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtInstrumentLineItems_lbl" xml:lang="en-US"> Debt Instrument [Line Items] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentConvertibleEffectiveInterestRate" xlink:label="us-gaap_DebtInstrumentConvertibleEffectiveInterestRate"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentConvertibleEffectiveInterestRate" xlink:to="us-gaap_DebtInstrumentConvertibleEffectiveInterestRate_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtInstrumentConvertibleEffectiveInterestRate_lbl" xml:lang="en-US"> Senior Notes, interest expense </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DebtInstrumentConvertibleEffectiveInterestRate_lbl" xml:lang="en-US"> Senior Notes, interest rate </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_ProceedsNetFromSeniorNotes" xlink:label="chk_ProceedsNetFromSeniorNotes"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_ProceedsNetFromSeniorNotes" xlink:to="chk_ProceedsNetFromSeniorNotes_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_ProceedsNetFromSeniorNotes_lbl" xml:lang="en-US"> Proceeds, net, from senior notes used to repay indebtedness </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_ProceedsNetFromSeniorNotes_lbl" xml:lang="en-US"> Proceeds, Net, From Senior Notes </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_ProceedsNetFromSeniorNotes_lbl" xml:lang="en-US"> Proceeds, net, from Senior Notes </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="chk_ProceedsNetFromSeniorNotes_lbl" xml:lang="en-US"> Net proceeds from offering to repay indebtedness outstanding </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_PercentageOfRedeemableNotesAtRedemptionPrice" xlink:label="chk_PercentageOfRedeemableNotesAtRedemptionPrice"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_PercentageOfRedeemableNotesAtRedemptionPrice" xlink:to="chk_PercentageOfRedeemableNotesAtRedemptionPrice_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_PercentageOfRedeemableNotesAtRedemptionPrice_lbl" xml:lang="en-US"> Percentage Of Redeemable Notes At A Redemption Price </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_PercentageOfRedeemableNotesAtRedemptionPrice_lbl" xml:lang="en-US"> Percentage Of Redeemable Notes At A Redemption Price </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_PercentageOfRedeemableNotesAtRedemptionPrice_lbl" xml:lang="en-US"> Percentage of redeemable notes at a redemption price </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_DebtOutstandingPrincipalAmount" xlink:label="chk_DebtOutstandingPrincipalAmount"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_DebtOutstandingPrincipalAmount" xlink:to="chk_DebtOutstandingPrincipalAmount_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_DebtOutstandingPrincipalAmount_lbl" xml:lang="en-US"> Debt Outstanding, Principal Amount </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_DebtOutstandingPrincipalAmount_lbl" xml:lang="en-US"> Debt Outstanding Principal Amount </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_DebtOutstandingPrincipalAmount_lbl" xml:lang="en-US"> Aggregate principal amount </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_GainsLossesOnExchangeOfDebt" xlink:label="chk_GainsLossesOnExchangeOfDebt"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_GainsLossesOnExchangeOfDebt" xlink:to="chk_GainsLossesOnExchangeOfDebt_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_GainsLossesOnExchangeOfDebt_lbl" xml:lang="en-US"> Gains (Losses) on Exchange of Debt </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_GainsLossesOnExchangeOfDebt_lbl" xml:lang="en-US"> Gains Losses On Exchange Of Debt </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_GainsLossesOnExchangeOfDebt_lbl" xml:lang="en-US"> Recognized gain (loss) associated with privately negotiated exchanges </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentCarryingAmount" xlink:label="us-gaap_DebtInstrumentCarryingAmount"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentCarryingAmount" xlink:to="us-gaap_DebtInstrumentCarryingAmount_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtInstrumentCarryingAmount_lbl" xml:lang="en-US"> Euro-denominated debt in notes payable, adjusted value </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DebtInstrumentCarryingAmount_lbl" xml:lang="en-US"> Senior Notes, principal amount </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_PrincipalPaymentOnSeniorNotesDueInTwoYears" xlink:label="chk_PrincipalPaymentOnSeniorNotesDueInTwoYears"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_PrincipalPaymentOnSeniorNotesDueInTwoYears" xlink:to="chk_PrincipalPaymentOnSeniorNotesDueInTwoYears_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_PrincipalPaymentOnSeniorNotesDueInTwoYears_lbl" xml:lang="en-US"> Principal payment on senior notes due in two years </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_PrincipalPaymentOnSeniorNotesDueInTwoYears_lbl" xml:lang="en-US"> Principal payment on senior notes due in two years </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_DebtInstrumentMaturityPeriod" xlink:label="chk_DebtInstrumentMaturityPeriod"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_DebtInstrumentMaturityPeriod" xlink:to="chk_DebtInstrumentMaturityPeriod_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_DebtInstrumentMaturityPeriod_lbl" xml:lang="en-US"> Debt instrument maturity period. </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_DebtInstrumentMaturityPeriod_lbl" xml:lang="en-US"> Debt Instrument Maturity Period </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_DebtInstrumentMaturityPeriod_lbl" xml:lang="en-US"> Debt instrument maturity period </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:label="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:to="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_lbl" xml:lang="en-US"> Borrowing capacity </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_lbl" xml:lang="en-US"> Borrowing capacity limit </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_LineOfCreditFacilityExtendedBorrowingCapacity" xlink:label="chk_LineOfCreditFacilityExtendedBorrowingCapacity"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_LineOfCreditFacilityExtendedBorrowingCapacity" xlink:to="chk_LineOfCreditFacilityExtendedBorrowingCapacity_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_LineOfCreditFacilityExtendedBorrowingCapacity_lbl" xml:lang="en-US"> Line Of Credit Facility Extended Borrowing Capacity </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_LineOfCreditFacilityExtendedBorrowingCapacity_lbl" xml:lang="en-US"> Line Of Credit Facility Extended Borrowing Capacity </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_LineOfCreditFacilityExtendedBorrowingCapacity_lbl" xml:lang="en-US"> Potential extended borrowing capacity </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LineOfCreditFacilityCollateral" xlink:label="us-gaap_LineOfCreditFacilityCollateral"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LineOfCreditFacilityCollateral" xlink:to="us-gaap_LineOfCreditFacilityCollateral_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LineOfCreditFacilityCollateral_lbl" xml:lang="en-US"> Borrowings under the facility are secured by </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_AmountOfAggregatePrincipalAllowedToBeRedeemedInConnectionWithCertainEquityOfferingsPercent" xlink:label="chk_AmountOfAggregatePrincipalAllowedToBeRedeemedInConnectionWithCertainEquityOfferingsPercent"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_AmountOfAggregatePrincipalAllowedToBeRedeemedInConnectionWithCertainEquityOfferingsPercent" xlink:to="chk_AmountOfAggregatePrincipalAllowedToBeRedeemedInConnectionWithCertainEquityOfferingsPercent_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_AmountOfAggregatePrincipalAllowedToBeRedeemedInConnectionWithCertainEquityOfferingsPercent_lbl" xml:lang="en-US"> Amount Of Aggregate Principal Allowed To Be Redeemed In Connection With Certain Equity Offerings, Percent </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_AmountOfAggregatePrincipalAllowedToBeRedeemedInConnectionWithCertainEquityOfferingsPercent_lbl" xml:lang="en-US"> Amount Of Aggregate Principal Allowed To Be Redeemed In Connection With Certain Equity Offerings, Percent </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_AmountOfAggregatePrincipalAllowedToBeRedeemedInConnectionWithCertainEquityOfferingsPercent_lbl" xml:lang="en-US"> Amount of aggregate principal allowed to be redeemed in connection with certain equity offerings, percent </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LineOfCreditFacilityCommitmentFeePercentage" xlink:label="us-gaap_LineOfCreditFacilityCommitmentFeePercentage"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LineOfCreditFacilityCommitmentFeePercentage" xlink:to="us-gaap_LineOfCreditFacilityCommitmentFeePercentage_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LineOfCreditFacilityCommitmentFeePercentage_lbl" xml:lang="en-US"> Line of Credit Facility, Commitment Fee Percentage </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LineOfCreditFacilityCommitmentFeePercentage_lbl" xml:lang="en-US"> Line of credit facility, commitment fee percentage </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentCovenantDescription" xlink:label="us-gaap_DebtInstrumentCovenantDescription"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentCovenantDescription" xlink:to="us-gaap_DebtInstrumentCovenantDescription_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtInstrumentCovenantDescription_lbl" xml:lang="en-US"> If we should fail to perform our obligations under these and other covenants, the revolving credit commitment could be </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DebtInstrumentCovenantDescription_lbl" xml:lang="en-US"> Revolving credit commitment </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LineOfCreditFacilityAmountOutstanding" xlink:label="us-gaap_LineOfCreditFacilityAmountOutstanding"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LineOfCreditFacilityAmountOutstanding" xlink:to="us-gaap_LineOfCreditFacilityAmountOutstanding_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LineOfCreditFacilityAmountOutstanding_lbl" xml:lang="en-US"> Amount outstanding as of December 31,2010 </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LineOfCreditFacilityAmountOutstanding_lbl" xml:lang="en-US"> Amount outstanding as of March 31, 2012 </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_LineOfCreditFacilityAmountOutstanding_lbl" xml:lang="en-US"> Amount outstanding </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_SecuredDebtRepurchaseAgreementsPrice" xlink:label="chk_SecuredDebtRepurchaseAgreementsPrice"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_SecuredDebtRepurchaseAgreementsPrice" xlink:to="chk_SecuredDebtRepurchaseAgreementsPrice_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_SecuredDebtRepurchaseAgreementsPrice_lbl" xml:lang="en-US"> Secured Debt Repurchase Agreements Price </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_SecuredDebtRepurchaseAgreementsPrice_lbl" xml:lang="en-US"> Secured Debt Repurchase Agreements Price </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_SecuredDebtRepurchaseAgreementsPrice_lbl" xml:lang="en-US"> Purchased convertible senior notes, price </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SecuredDebtRepurchaseAgreements" xlink:label="us-gaap_SecuredDebtRepurchaseAgreements"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SecuredDebtRepurchaseAgreements" xlink:to="us-gaap_SecuredDebtRepurchaseAgreements_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SecuredDebtRepurchaseAgreements_lbl" xml:lang="en-US"> Secured Debt, Repurchase Agreements </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_SecuredDebtRepurchaseAgreements_lbl" xml:lang="en-US"> Purchased convertible senior notes, value </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_DebtInstrumentInterestRatePercentageAboveEffectiveRate" xlink:label="chk_DebtInstrumentInterestRatePercentageAboveEffectiveRate"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_DebtInstrumentInterestRatePercentageAboveEffectiveRate" xlink:to="chk_DebtInstrumentInterestRatePercentageAboveEffectiveRate_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_DebtInstrumentInterestRatePercentageAboveEffectiveRate_lbl" xml:lang="en-US"> Debt Instrument, Interest Rate, Percentage Above Effective Rate </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_DebtInstrumentInterestRatePercentageAboveEffectiveRate_lbl" xml:lang="en-US"> Debt Instrument, Interest Rate, Percentage Above Effective Rate </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_DebtInstrumentInterestRatePercentageAboveEffectiveRate_lbl" xml:lang="en-US"> Percentage above effective rate </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_DebtInstrumentInterestRatePercentageAboveLiborRate" xlink:label="chk_DebtInstrumentInterestRatePercentageAboveLiborRate"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_DebtInstrumentInterestRatePercentageAboveLiborRate" xlink:to="chk_DebtInstrumentInterestRatePercentageAboveLiborRate_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_DebtInstrumentInterestRatePercentageAboveLiborRate_lbl" xml:lang="en-US"> Debt Instrument, Interest Rate, Percentage Above LIBOR Rate </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_DebtInstrumentInterestRatePercentageAboveLiborRate_lbl" xml:lang="en-US"> Debt Instrument, Interest Rate, Percentage Above LIBOR Rate </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_DebtInstrumentInterestRatePercentageAboveLiborRate_lbl" xml:lang="en-US"> Percentage above LIBOR rate </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentInterestRateEffectivePercentageRateRangeMinimum" xlink:label="us-gaap_DebtInstrumentInterestRateEffectivePercentageRateRangeMinimum"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentInterestRateEffectivePercentageRateRangeMinimum" xlink:to="us-gaap_DebtInstrumentInterestRateEffectivePercentageRateRangeMinimum_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtInstrumentInterestRateEffectivePercentageRateRangeMinimum_lbl" xml:lang="en-US"> Debt Instrument, Interest Rate, Effective Percentage Rate Range, Minimum </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DebtInstrumentInterestRateEffectivePercentageRateRangeMinimum_lbl" xml:lang="en-US"> Margin rate range, minimum </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentInterestRateEffectivePercentageRateRangeMaximum" xlink:label="us-gaap_DebtInstrumentInterestRateEffectivePercentageRateRangeMaximum"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentInterestRateEffectivePercentageRateRangeMaximum" xlink:to="us-gaap_DebtInstrumentInterestRateEffectivePercentageRateRangeMaximum_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtInstrumentInterestRateEffectivePercentageRateRangeMaximum_lbl" xml:lang="en-US"> Debt Instrument, Interest Rate, Effective Percentage Rate Range, Maximum </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DebtInstrumentInterestRateEffectivePercentageRateRangeMaximum_lbl" xml:lang="en-US"> Margin rate range, maximum </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity" xlink:label="us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity" xlink:to="us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity_lbl" xml:lang="en-US"> Line of Credit Facility, Current Borrowing Capacity </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity_lbl" xml:lang="en-US"> Current borrowing capacity </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity_lbl" xml:lang="en-US"> Estimated borrowing capacity </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_SevenPointSixTwoFivePercentSeniorNotesDueTwoThousandThirteenMember" xlink:label="chk_SevenPointSixTwoFivePercentSeniorNotesDueTwoThousandThirteenMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_SevenPointSixTwoFivePercentSeniorNotesDueTwoThousandThirteenMember" xlink:to="chk_SevenPointSixTwoFivePercentSeniorNotesDueTwoThousandThirteenMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_SevenPointSixTwoFivePercentSeniorNotesDueTwoThousandThirteenMember_lbl" xml:lang="en-US"> Seven Point Six Two Five Percent Senior Notes Due Two Thousand Thirteen [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_SevenPointSixTwoFivePercentSeniorNotesDueTwoThousandThirteenMember_lbl" xml:lang="en-US"> Seven Point Six Two Five Percent Senior Notes Due Two Thousand Thirteen [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_SevenPointSixTwoFivePercentSeniorNotesDueTwoThousandThirteenMember_lbl" xml:lang="en-US"> 7.625% Senior Notes Due 2013 [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_NinePointFivePercentSeniorNotesDueTwoThousandFifteenMember" xlink:label="chk_NinePointFivePercentSeniorNotesDueTwoThousandFifteenMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_NinePointFivePercentSeniorNotesDueTwoThousandFifteenMember" xlink:to="chk_NinePointFivePercentSeniorNotesDueTwoThousandFifteenMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_NinePointFivePercentSeniorNotesDueTwoThousandFifteenMember_lbl" xml:lang="en-US"> Nine Point Five Percent Senior Notes Due Two Thousand Fifteen [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_NinePointFivePercentSeniorNotesDueTwoThousandFifteenMember_lbl" xml:lang="en-US"> Nine Point Five Percent Senior Notes Due Two Thousand Fifteen [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_NinePointFivePercentSeniorNotesDueTwoThousandFifteenMember_lbl" xml:lang="en-US"> 9.5% Senior Notes Due 2015 [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_SixPointTwoFivePercentEuroHyphenDenominatedSeniorNotesDueTwoThousandSeventeenMember" xlink:label="chk_SixPointTwoFivePercentEuroHyphenDenominatedSeniorNotesDueTwoThousandSeventeenMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_SixPointTwoFivePercentEuroHyphenDenominatedSeniorNotesDueTwoThousandSeventeenMember" xlink:to="chk_SixPointTwoFivePercentEuroHyphenDenominatedSeniorNotesDueTwoThousandSeventeenMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_SixPointTwoFivePercentEuroHyphenDenominatedSeniorNotesDueTwoThousandSeventeenMember_lbl" xml:lang="en-US"> Six Point Two Five Percent Euro Hyphen Denominated Senior Notes Due Two Thousand Seventeen [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_SixPointTwoFivePercentEuroHyphenDenominatedSeniorNotesDueTwoThousandSeventeenMember_lbl" xml:lang="en-US"> Six Point Two Five Percent Euro Hyphen Denominated Senior Notes Due Two Thousand Seventeen [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_SixPointTwoFivePercentEuroHyphenDenominatedSeniorNotesDueTwoThousandSeventeenMember_lbl" xml:lang="en-US"> 6.25% Euro-Denominated Senior Notes Due 2017 [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_SixPointFivePercentSeniorNotesDueTwoThousandSeventeenMember" xlink:label="chk_SixPointFivePercentSeniorNotesDueTwoThousandSeventeenMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_SixPointFivePercentSeniorNotesDueTwoThousandSeventeenMember" xlink:to="chk_SixPointFivePercentSeniorNotesDueTwoThousandSeventeenMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_SixPointFivePercentSeniorNotesDueTwoThousandSeventeenMember_lbl" xml:lang="en-US"> Six Point Five Percent Senior Notes Due Two Thousand Seventeen [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_SixPointFivePercentSeniorNotesDueTwoThousandSeventeenMember_lbl" xml:lang="en-US"> Six Point Five Percent Senior Notes Due Two Thousand Seventeen [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_SixPointFivePercentSeniorNotesDueTwoThousandSeventeenMember_lbl" xml:lang="en-US"> 6.5% Senior Notes Due 2017 [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_SevenPointTwoFivePercentSeniorNotesDueTwoThousandEighteenMember" xlink:label="chk_SevenPointTwoFivePercentSeniorNotesDueTwoThousandEighteenMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_SevenPointTwoFivePercentSeniorNotesDueTwoThousandEighteenMember" xlink:to="chk_SevenPointTwoFivePercentSeniorNotesDueTwoThousandEighteenMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_SevenPointTwoFivePercentSeniorNotesDueTwoThousandEighteenMember_lbl" xml:lang="en-US"> Seven Point Two Five Percent Senior Notes Due Two Thousand Eighteen [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_SevenPointTwoFivePercentSeniorNotesDueTwoThousandEighteenMember_lbl" xml:lang="en-US"> Seven Point Two Five Percent Senior Notes Due Two Thousand Eighteen [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_SevenPointTwoFivePercentSeniorNotesDueTwoThousandEighteenMember_lbl" xml:lang="en-US"> 7.25% Senior Notes Due 2018 [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_SixPointEightSevenFivePercentSeniorNotesDueTwoThousandTwentyMember" xlink:label="chk_SixPointEightSevenFivePercentSeniorNotesDueTwoThousandTwentyMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_SixPointEightSevenFivePercentSeniorNotesDueTwoThousandTwentyMember" xlink:to="chk_SixPointEightSevenFivePercentSeniorNotesDueTwoThousandTwentyMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_SixPointEightSevenFivePercentSeniorNotesDueTwoThousandTwentyMember_lbl" xml:lang="en-US"> Six Point Eight Seven Five Percent Senior Notes Due Two Thousand Twenty [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_SixPointEightSevenFivePercentSeniorNotesDueTwoThousandTwentyMember_lbl" xml:lang="en-US"> Six Point Eight Seven Five Percent Senior Notes Due Two Thousand Twenty [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_SixPointEightSevenFivePercentSeniorNotesDueTwoThousandTwentyMember_lbl" xml:lang="en-US"> 6.875% Senior Notes Due 2020 [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_OilfieldServicesCreditFacilityMember" xlink:label="chk_OilfieldServicesCreditFacilityMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_OilfieldServicesCreditFacilityMember" xlink:to="chk_OilfieldServicesCreditFacilityMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_OilfieldServicesCreditFacilityMember_lbl" xml:lang="en-US"> Oilfield Services Credit Facility [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_OilfieldServicesCreditFacilityMember_lbl" xml:lang="en-US"> Oilfield Services Credit Facility [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_OilfieldServicesCreditFacilityMember_lbl" xml:lang="en-US"> Oilfield Services Credit Facility [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_DiscountOnSeniorNotesMember" xlink:label="chk_DiscountOnSeniorNotesMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_DiscountOnSeniorNotesMember" xlink:to="chk_DiscountOnSeniorNotesMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_DiscountOnSeniorNotesMember_lbl" xml:lang="en-US"> Discount on senior notes </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_DiscountOnSeniorNotesMember_lbl" xml:lang="en-US"> Discount On Senior Notes [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_DiscountOnSeniorNotesMember_lbl" xml:lang="en-US"> Discount On Senior Notes [Member] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InterestRateContractMember" xlink:label="us-gaap_InterestRateContractMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestRateContractMember" xlink:to="us-gaap_InterestRateContractMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InterestRateContractMember_lbl" xml:lang="en-US"> Interest Rate Contract [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_InterestRateContractMember_lbl" xml:lang="en-US"> Interest Rate Contracts [Member] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeForwardExchangeRate" xlink:label="us-gaap_DerivativeForwardExchangeRate"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeForwardExchangeRate" xlink:to="us-gaap_DerivativeForwardExchangeRate_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DerivativeForwardExchangeRate_lbl" xml:lang="en-US"> Derivative Forward Exchange Rate </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DerivativeForwardExchangeRate_lbl" xml:lang="en-US"> Dollar per euro exchange rate </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_PercentageOfPrincipalAmountOfNotesForRepurchaseRequirementOfContingentConvertibleSeniorNotes" xlink:label="chk_PercentageOfPrincipalAmountOfNotesForRepurchaseRequirementOfContingentConvertibleSeniorNotes"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_PercentageOfPrincipalAmountOfNotesForRepurchaseRequirementOfContingentConvertibleSeniorNotes" xlink:to="chk_PercentageOfPrincipalAmountOfNotesForRepurchaseRequirementOfContingentConvertibleSeniorNotes_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_PercentageOfPrincipalAmountOfNotesForRepurchaseRequirementOfContingentConvertibleSeniorNotes_lbl" xml:lang="en-US"> Percentage of principal amount of notes for repurchase requirement of contingent convertible senior notes </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_PercentageOfPrincipalAmountOfNotesForRepurchaseRequirementOfContingentConvertibleSeniorNotes_lbl" xml:lang="en-US"> Percentage of principal amount of notes for repurchase requirement of contingent convertible senior notes </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_DebtInstrumentConvertibleOptionalRepurchaseDates" xlink:label="chk_DebtInstrumentConvertibleOptionalRepurchaseDates"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_DebtInstrumentConvertibleOptionalRepurchaseDates" xlink:to="chk_DebtInstrumentConvertibleOptionalRepurchaseDates_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_DebtInstrumentConvertibleOptionalRepurchaseDates_lbl" xml:lang="en-US"> Debt Instrument Convertible Optional Repurchase Dates </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_DebtInstrumentConvertibleOptionalRepurchaseDates_lbl" xml:lang="en-US"> Debt Instrument Convertible Optional Repurchase Dates </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_DebtInstrumentConvertibleOptionalRepurchaseDates_lbl" xml:lang="en-US"> Repurchase Dates </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_DebtInstrumentConversionTriggerStockPriceThreshold" xlink:label="chk_DebtInstrumentConversionTriggerStockPriceThreshold"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_DebtInstrumentConversionTriggerStockPriceThreshold" xlink:to="chk_DebtInstrumentConversionTriggerStockPriceThreshold_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_DebtInstrumentConversionTriggerStockPriceThreshold_lbl" xml:lang="en-US"> Debt Instrument Conversion Trigger Stock Price Threshold </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_DebtInstrumentConversionTriggerStockPriceThreshold_lbl" xml:lang="en-US"> Debt Instrument Conversion Trigger Stock Price Threshold </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_DebtInstrumentConversionTriggerStockPriceThreshold_lbl" xml:lang="en-US"> Common Stock Price Conversion Thresholds </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentDateOfFirstRequiredPayment" xlink:label="us-gaap_DebtInstrumentDateOfFirstRequiredPayment"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentDateOfFirstRequiredPayment" xlink:to="us-gaap_DebtInstrumentDateOfFirstRequiredPayment_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtInstrumentDateOfFirstRequiredPayment_lbl" xml:lang="en-US"> Contingent Interest First Payable (if applicable) </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentUnamortizedDiscount" xlink:label="us-gaap_DebtInstrumentUnamortizedDiscount"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentUnamortizedDiscount" xlink:to="us-gaap_DebtInstrumentUnamortizedDiscount_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtInstrumentUnamortizedDiscount_lbl" xml:lang="en-US"> Debt Instrument, Unamortized Discount </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_DebtInstrumentUnamortizedDiscount_lbl" xml:lang="en-US"> Debt instrument, unamortized discount </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LineOfCreditFacilityDescription" xlink:label="us-gaap_LineOfCreditFacilityDescription"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LineOfCreditFacilityDescription" xlink:to="us-gaap_LineOfCreditFacilityDescription_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LineOfCreditFacilityDescription_lbl" xml:lang="en-US"> Facility structure </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentMaturityDateDescription" xlink:label="us-gaap_DebtInstrumentMaturityDateDescription"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentMaturityDateDescription" xlink:to="us-gaap_DebtInstrumentMaturityDateDescription_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtInstrumentMaturityDateDescription_lbl" xml:lang="en-US"> Maturity date </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_LettersOfCreditAmountOutstanding" xlink:label="chk_LettersOfCreditAmountOutstanding"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_LettersOfCreditAmountOutstanding" xlink:to="chk_LettersOfCreditAmountOutstanding_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_LettersOfCreditAmountOutstanding_lbl" xml:lang="en-US"> Letters Of Credit, Amount Outstanding </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_LettersOfCreditAmountOutstanding_lbl" xml:lang="en-US"> Letters Of Credit Amount Outstanding </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_LettersOfCreditAmountOutstanding_lbl" xml:lang="en-US"> Letters of credit outstanding as of March 31, 2012 </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_CommitmentsAndContingenciesTable" xlink:label="chk_CommitmentsAndContingenciesTable"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_CommitmentsAndContingenciesTable" xlink:to="chk_CommitmentsAndContingenciesTable_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_CommitmentsAndContingenciesTable_lbl" xml:lang="en-US"> Commitments And Contingencies [Table] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_CommitmentsAndContingenciesTable_lbl" xml:lang="en-US"> Commitments And Contingencies [Table] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LossContingenciesByNatureOfContingencyAxis" xlink:label="us-gaap_LossContingenciesByNatureOfContingencyAxis"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LossContingenciesByNatureOfContingencyAxis" xlink:to="us-gaap_LossContingenciesByNatureOfContingencyAxis_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LossContingenciesByNatureOfContingencyAxis_lbl" xml:lang="en-US"> Loss Contingencies by Nature of Contingency [Axis] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LossContingencyNatureDomain" xlink:label="us-gaap_LossContingencyNatureDomain"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LossContingencyNatureDomain" xlink:to="us-gaap_LossContingencyNatureDomain_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LossContingencyNatureDomain_lbl" xml:lang="en-US"> Loss Contingency Nature [Domain] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LossContingencyNatureDomain_lbl" xml:lang="en-US"> Loss Contingency, Nature [Domain] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_CivilPenaltiesMember" xlink:label="chk_CivilPenaltiesMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_CivilPenaltiesMember" xlink:to="chk_CivilPenaltiesMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_CivilPenaltiesMember_lbl" xml:lang="en-US"> Civil Penalties </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_CivilPenaltiesMember_lbl" xml:lang="en-US"> Civil Penalties [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_CivilPenaltiesMember_lbl" xml:lang="en-US"> Civil Penalties [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_MisdemeanorLiabilityMember" xlink:label="chk_MisdemeanorLiabilityMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_MisdemeanorLiabilityMember" xlink:to="chk_MisdemeanorLiabilityMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_MisdemeanorLiabilityMember_lbl" xml:lang="en-US"> Misdemeanor Liability </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_MisdemeanorLiabilityMember_lbl" xml:lang="en-US"> Misdemeanor Liability [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_MisdemeanorLiabilityMember_lbl" xml:lang="en-US"> Misdemeanor Liability [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_FelonyLiabilityMember" xlink:label="chk_FelonyLiabilityMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_FelonyLiabilityMember" xlink:to="chk_FelonyLiabilityMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_FelonyLiabilityMember_lbl" xml:lang="en-US"> Felony Liability </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_FelonyLiabilityMember_lbl" xml:lang="en-US"> Felony Liability [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_FelonyLiabilityMember_lbl" xml:lang="en-US"> Felony Liability [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_MonetarySanctionsMember" xlink:label="chk_MonetarySanctionsMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_MonetarySanctionsMember" xlink:to="chk_MonetarySanctionsMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_MonetarySanctionsMember_lbl" xml:lang="en-US"> Monetary Sanctions </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_MonetarySanctionsMember_lbl" xml:lang="en-US"> Monetary Sanctions [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_MonetarySanctionsMember_lbl" xml:lang="en-US"> Monetary Sanctions [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_FineMember" xlink:label="chk_FineMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_FineMember" xlink:to="chk_FineMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_FineMember_lbl" xml:lang="en-US"> Fine [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_FineMember_lbl" xml:lang="en-US"> Fine [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_FineMember_lbl" xml:lang="en-US"> Fine [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_ContributionMember" xlink:label="chk_ContributionMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_ContributionMember" xlink:to="chk_ContributionMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_ContributionMember_lbl" xml:lang="en-US"> Contribution [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_ContributionMember_lbl" xml:lang="en-US"> Contribution [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_ContributionMember_lbl" xml:lang="en-US"> Contribution [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_FirstInvestmentTrancheMember" xlink:label="chk_FirstInvestmentTrancheMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_FirstInvestmentTrancheMember" xlink:to="chk_FirstInvestmentTrancheMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_FirstInvestmentTrancheMember_lbl" xml:lang="en-US"> First Investment Tranche </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_FirstInvestmentTrancheMember_lbl" xml:lang="en-US"> First Investment Tranche [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_FirstInvestmentTrancheMember_lbl" xml:lang="en-US"> First Investment Tranche [Member] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:label="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:to="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_lbl" xml:lang="en-US"> Related Party Transactions, by Related Party [Axis] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RelatedPartyDomain" xlink:label="us-gaap_RelatedPartyDomain"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RelatedPartyDomain" xlink:to="us-gaap_RelatedPartyDomain_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RelatedPartyDomain_lbl" xml:lang="en-US"> Related Party [Domain] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RelatedPartyDomain_lbl" xml:lang="en-US"> Related Party [Domain] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_CeoAubreyKMcclendonMember" xlink:label="chk_CeoAubreyKMcclendonMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_CeoAubreyKMcclendonMember" xlink:to="chk_CeoAubreyKMcclendonMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_CeoAubreyKMcclendonMember_lbl" xml:lang="en-US"> Relating to the CEO, Aubrey K McClendon </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_CeoAubreyKMcclendonMember_lbl" xml:lang="en-US"> Ceo Aubrey K Mcclendon [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_CeoAubreyKMcclendonMember_lbl" xml:lang="en-US"> CEO, Aubrey K. McClendon [Member] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SupplyCommitmentAxis" xlink:label="us-gaap_SupplyCommitmentAxis"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SupplyCommitmentAxis" xlink:to="us-gaap_SupplyCommitmentAxis_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SupplyCommitmentAxis_lbl" xml:lang="en-US"> Supply Commitment [Axis] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SupplyCommitmentArrangementMember" xlink:label="us-gaap_SupplyCommitmentArrangementMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SupplyCommitmentArrangementMember" xlink:to="us-gaap_SupplyCommitmentArrangementMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SupplyCommitmentArrangementMember_lbl" xml:lang="en-US"> Supply Commitment Arrangement [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_SupplyCommitmentArrangementMember_lbl" xml:lang="en-US"> Supply Commitment Arrangement [Domain] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_EarningsBeforeInterestTaxesDepreciationAndAmortizationMinimumCommittedAmountInTwoThousandTwelveYearMember" xlink:label="chk_EarningsBeforeInterestTaxesDepreciationAndAmortizationMinimumCommittedAmountInTwoThousandTwelveYearMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_EarningsBeforeInterestTaxesDepreciationAndAmortizationMinimumCommittedAmountInTwoThousandTwelveYearMember" xlink:to="chk_EarningsBeforeInterestTaxesDepreciationAndAmortizationMinimumCommittedAmountInTwoThousandTwelveYearMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_EarningsBeforeInterestTaxesDepreciationAndAmortizationMinimumCommittedAmountInTwoThousandTwelveYearMember_lbl" xml:lang="en-US"> Earnings Before Interest Taxes Depreciation And Amortization Minimum Committed Amount In Two Thousand Twelve Year [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_EarningsBeforeInterestTaxesDepreciationAndAmortizationMinimumCommittedAmountInTwoThousandTwelveYearMember_lbl" xml:lang="en-US"> Earnings Before Interest Taxes Depreciation And Amortization Minimum Committed Amount In Two Thousand Twelve Year [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_EarningsBeforeInterestTaxesDepreciationAndAmortizationMinimumCommittedAmountInTwoThousandTwelveYearMember_lbl" xml:lang="en-US"> EBITD Minimum Committed Amount In 2012 [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_EarningsBeforeInterestTaxesDepreciationAndAmortizationMinimumCommittedAmountInTwoThousandThirteenYearMember" xlink:label="chk_EarningsBeforeInterestTaxesDepreciationAndAmortizationMinimumCommittedAmountInTwoThousandThirteenYearMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_EarningsBeforeInterestTaxesDepreciationAndAmortizationMinimumCommittedAmountInTwoThousandThirteenYearMember" xlink:to="chk_EarningsBeforeInterestTaxesDepreciationAndAmortizationMinimumCommittedAmountInTwoThousandThirteenYearMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_EarningsBeforeInterestTaxesDepreciationAndAmortizationMinimumCommittedAmountInTwoThousandThirteenYearMember_lbl" xml:lang="en-US"> Earnings Before Interest Taxes Depreciation And Amortization Minimum Committed Amount In Two Thousand Thirteen Year [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_EarningsBeforeInterestTaxesDepreciationAndAmortizationMinimumCommittedAmountInTwoThousandThirteenYearMember_lbl" xml:lang="en-US"> Earnings Before Interest Taxes Depreciation And Amortization Minimum Committed Amount In Two Thousand Thirteen Year [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_EarningsBeforeInterestTaxesDepreciationAndAmortizationMinimumCommittedAmountInTwoThousandThirteenYearMember_lbl" xml:lang="en-US"> EBITD Minimum Committed Amount In 2013 [Member] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:label="us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:to="us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_lbl" xml:lang="en-US"> Schedule of Equity Method Investment, Equity Method Investee, Name [Axis] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EquityMethodInvesteeNameDomain" xlink:label="us-gaap_EquityMethodInvesteeNameDomain"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EquityMethodInvesteeNameDomain" xlink:to="us-gaap_EquityMethodInvesteeNameDomain_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EquityMethodInvesteeNameDomain_lbl" xml:lang="en-US"> Equity Method Investee Name [Domain] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_EquityMethodInvesteeNameDomain_lbl" xml:lang="en-US"> Equity Method Investee, Name [Domain] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_ChesapeakeGraniteWashTrustMember" xlink:label="chk_ChesapeakeGraniteWashTrustMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_ChesapeakeGraniteWashTrustMember" xlink:to="chk_ChesapeakeGraniteWashTrustMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_ChesapeakeGraniteWashTrustMember_lbl" xml:lang="en-US"> Chesapeake Granite Wash Trust [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_ChesapeakeGraniteWashTrustMember_lbl" xml:lang="en-US"> Chesapeake Granite Wash Trust [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_ChesapeakeGraniteWashTrustMember_lbl" xml:lang="en-US"> Chesapeake Granite Wash Trust [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_ChesapeakeUticaLLCMember" xlink:label="chk_ChesapeakeUticaLLCMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_ChesapeakeUticaLLCMember" xlink:to="chk_ChesapeakeUticaLLCMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_ChesapeakeUticaLLCMember_lbl" xml:lang="en-US"> Chesapeake Utica L.L.C [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_ChesapeakeUticaLLCMember_lbl" xml:lang="en-US"> Chesapeake Utica L L C [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_ChesapeakeUticaLLCMember_lbl" xml:lang="en-US"> Chesapeake Utica L.L.C [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_SundropFuelsIncMember" xlink:label="chk_SundropFuelsIncMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_SundropFuelsIncMember" xlink:to="chk_SundropFuelsIncMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_SundropFuelsIncMember_lbl" xml:lang="en-US"> Sundrop Fuels, Inc. [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_SundropFuelsIncMember_lbl" xml:lang="en-US"> Sundrop Fuels Inc [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_SundropFuelsIncMember_lbl" xml:lang="en-US"> Sundrop Fuels, Inc. [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_CleanEnergyFuelsCorpMember" xlink:label="chk_CleanEnergyFuelsCorpMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_CleanEnergyFuelsCorpMember" xlink:to="chk_CleanEnergyFuelsCorpMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_CleanEnergyFuelsCorpMember_lbl" xml:lang="en-US"> Clean Energy Fuels Corp. [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_CleanEnergyFuelsCorpMember_lbl" xml:lang="en-US"> Clean Energy Fuels Corp [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_CleanEnergyFuelsCorpMember_lbl" xml:lang="en-US"> Clean Energy Fuels Corp. [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_ChesapeakeMidstreamDevelopmentLPMember" xlink:label="chk_ChesapeakeMidstreamDevelopmentLPMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_ChesapeakeMidstreamDevelopmentLPMember" xlink:to="chk_ChesapeakeMidstreamDevelopmentLPMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_ChesapeakeMidstreamDevelopmentLPMember_lbl" xml:lang="en-US"> Chesapeake Midstream Development, L.P [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_ChesapeakeMidstreamDevelopmentLPMember_lbl" xml:lang="en-US"> Chesapeake Midstream Development L P [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_ChesapeakeMidstreamDevelopmentLPMember_lbl" xml:lang="en-US"> Chesapeake Midstream Development, L.P [Member] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SaleLeasebackTransactionDescriptionAxis" xlink:label="us-gaap_SaleLeasebackTransactionDescriptionAxis"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SaleLeasebackTransactionDescriptionAxis" xlink:to="us-gaap_SaleLeasebackTransactionDescriptionAxis_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SaleLeasebackTransactionDescriptionAxis_lbl" xml:lang="en-US"> Sale Leaseback Transaction, Description [Axis] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SaleLeasebackTransactionNameDomain" xlink:label="us-gaap_SaleLeasebackTransactionNameDomain"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SaleLeasebackTransactionNameDomain" xlink:to="us-gaap_SaleLeasebackTransactionNameDomain_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SaleLeasebackTransactionNameDomain_lbl" xml:lang="en-US"> Sale Leaseback Transaction Name [Domain] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_SaleLeasebackTransactionNameDomain_lbl" xml:lang="en-US"> Sale Leaseback Transaction, Name [Domain] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_RigMember" xlink:label="chk_RigMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_RigMember" xlink:to="chk_RigMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_RigMember_lbl" xml:lang="en-US"> Rig </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_RigMember_lbl" xml:lang="en-US"> Rig [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_RigMember_lbl" xml:lang="en-US"> Rig Leases [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_CompressorMember" xlink:label="chk_CompressorMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_CompressorMember" xlink:to="chk_CompressorMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_CompressorMember_lbl" xml:lang="en-US"> Compressor </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_CompressorMember_lbl" xml:lang="en-US"> Compressor [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_CompressorMember_lbl" xml:lang="en-US"> Compressor Leases [Member] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EquipmentMember" xlink:label="us-gaap_EquipmentMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EquipmentMember" xlink:to="us-gaap_EquipmentMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EquipmentMember_lbl" xml:lang="en-US"> Equipment [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_EquipmentMember_lbl" xml:lang="en-US"> Drilling Contracts [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_DrillingObligationsMember" xlink:label="chk_DrillingObligationsMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_DrillingObligationsMember" xlink:to="chk_DrillingObligationsMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_DrillingObligationsMember_lbl" xml:lang="en-US"> Drilling Obligations [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_DrillingObligationsMember_lbl" xml:lang="en-US"> Drilling Obligations [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_DrillingObligationsMember_lbl" xml:lang="en-US"> Drilling Obligations [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_CommitmentsAndContingenciesLineItems" xlink:label="chk_CommitmentsAndContingenciesLineItems"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_CommitmentsAndContingenciesLineItems" xlink:to="chk_CommitmentsAndContingenciesLineItems_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_CommitmentsAndContingenciesLineItems_lbl" xml:lang="en-US"> Commitments And Contingencies [Line Items] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_CommitmentsAndContingenciesLineItems_lbl" xml:lang="en-US"> Commitments And Contingencies [Line Items] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InterestPaid" xlink:label="us-gaap_InterestPaid"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestPaid" xlink:to="us-gaap_InterestPaid_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InterestPaid_lbl" xml:lang="en-US"> Interest Paid </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_InterestPaid_lbl" xml:lang="en-US"> Interest paid </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_InterestPaid_lbl" xml:lang="en-US"> Interest Paid, Total </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_AttorneyFeesAndExpensesToPlaintiffsCounsel" xlink:label="chk_AttorneyFeesAndExpensesToPlaintiffsCounsel"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_AttorneyFeesAndExpensesToPlaintiffsCounsel" xlink:to="chk_AttorneyFeesAndExpensesToPlaintiffsCounsel_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_AttorneyFeesAndExpensesToPlaintiffsCounsel_lbl" xml:lang="en-US"> Attorney Fees And Expenses To Plaintiffs' Counsel </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_AttorneyFeesAndExpensesToPlaintiffsCounsel_lbl" xml:lang="en-US"> Attorney Fees And Expenses To Plaintiffs' Counsel </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_AttorneyFeesAndExpensesToPlaintiffsCounsel_lbl" xml:lang="en-US"> Attorney fees and expenses to plaintiffs' counsel </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_NumberOfShareholderActionsFiled" xlink:label="chk_NumberOfShareholderActionsFiled"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_NumberOfShareholderActionsFiled" xlink:to="chk_NumberOfShareholderActionsFiled_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_NumberOfShareholderActionsFiled_lbl" xml:lang="en-US"> Number Of Shareholder Actions Filed </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_NumberOfShareholderActionsFiled_lbl" xml:lang="en-US"> Number Of Shareholder Actions Filed </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_NumberOfShareholderActionsFiled_lbl" xml:lang="en-US"> Number of shareholder actions filed </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_MaximumWorkingInterestPercentageAllowed" xlink:label="chk_MaximumWorkingInterestPercentageAllowed"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_MaximumWorkingInterestPercentageAllowed" xlink:to="chk_MaximumWorkingInterestPercentageAllowed_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_MaximumWorkingInterestPercentageAllowed_lbl" xml:lang="en-US"> Maximum working interest percentage allowed. </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_MaximumWorkingInterestPercentageAllowed_lbl" xml:lang="en-US"> Maximum Working Interest Percentage Allowed </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_MaximumWorkingInterestPercentageAllowed_lbl" xml:lang="en-US"> Maximum working interest percentage allowed </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LossContingencyEstimateOfPossibleLoss" xlink:label="us-gaap_LossContingencyEstimateOfPossibleLoss"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LossContingencyEstimateOfPossibleLoss" xlink:to="us-gaap_LossContingencyEstimateOfPossibleLoss_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LossContingencyEstimateOfPossibleLoss_lbl" xml:lang="en-US"> Loss Contingency, Estimate of Possible Loss </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LossContingencyEstimateOfPossibleLoss_lbl" xml:lang="en-US"> Criminal penalties </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LossContingencyRangeOfPossibleLossMinimum" xlink:label="us-gaap_LossContingencyRangeOfPossibleLossMinimum"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LossContingencyRangeOfPossibleLossMinimum" xlink:to="us-gaap_LossContingencyRangeOfPossibleLossMinimum_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LossContingencyRangeOfPossibleLossMinimum_lbl" xml:lang="en-US"> Loss Contingency, Range of Possible Loss, Minimum </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LossContingencyRangeOfPossibleLossMinimum_lbl" xml:lang="en-US"> Criminal penalties, minimum </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LossContingencyRangeOfPossibleLossMaximum" xlink:label="us-gaap_LossContingencyRangeOfPossibleLossMaximum"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LossContingencyRangeOfPossibleLossMaximum" xlink:to="us-gaap_LossContingencyRangeOfPossibleLossMaximum_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LossContingencyRangeOfPossibleLossMaximum_lbl" xml:lang="en-US"> Loss Contingency, Range of Possible Loss, Maximum </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LossContingencyRangeOfPossibleLossMaximum_lbl" xml:lang="en-US"> Criminal penalties, maximum </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsForLegalSettlements" xlink:label="us-gaap_PaymentsForLegalSettlements"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsForLegalSettlements" xlink:to="us-gaap_PaymentsForLegalSettlements_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PaymentsForLegalSettlements_lbl" xml:lang="en-US"> Payments for Legal Settlements </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PaymentsForLegalSettlements_lbl" xml:lang="en-US"> Legal settlement </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_PaymentsForLegalSettlements_lbl" xml:lang="en-US"> Penalties </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SaleLeasebackTransactionGrossProceeds" xlink:label="us-gaap_SaleLeasebackTransactionGrossProceeds"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SaleLeasebackTransactionGrossProceeds" xlink:to="us-gaap_SaleLeasebackTransactionGrossProceeds_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SaleLeasebackTransactionGrossProceeds_lbl" xml:lang="en-US"> Entered into a master lease agreement under which we agreed to leaseback from the buyer, proceeds from sale </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_SaleLeasebackTransactionLeaseTermsLowerLimit" xlink:label="chk_SaleLeasebackTransactionLeaseTermsLowerLimit"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_SaleLeasebackTransactionLeaseTermsLowerLimit" xlink:to="chk_SaleLeasebackTransactionLeaseTermsLowerLimit_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_SaleLeasebackTransactionLeaseTermsLowerLimit_lbl" xml:lang="en-US"> Sale Leaseback Transaction Lease Terms, Lower Limit </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_SaleLeasebackTransactionLeaseTermsLowerLimit_lbl" xml:lang="en-US"> Sale Leaseback Transaction Lease Terms Lower Limit </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_SaleLeasebackTransactionLeaseTermsLowerLimit_lbl" xml:lang="en-US"> Entered into a master lease agreement under which we agreed to leaseback from the buyer, minimum term (in years) </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_SaleLeasebackTransactionLeaseTermsUpperLimit" xlink:label="chk_SaleLeasebackTransactionLeaseTermsUpperLimit"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_SaleLeasebackTransactionLeaseTermsUpperLimit" xlink:to="chk_SaleLeasebackTransactionLeaseTermsUpperLimit_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_SaleLeasebackTransactionLeaseTermsUpperLimit_lbl" xml:lang="en-US"> Sale Leaseback Transaction Lease Terms, Upper Limit </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_SaleLeasebackTransactionLeaseTermsUpperLimit_lbl" xml:lang="en-US"> Sale Leaseback Transaction Lease Terms Upper Limit </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_SaleLeasebackTransactionLeaseTermsUpperLimit_lbl" xml:lang="en-US"> Entered into a master lease agreement under which we agreed to leaseback from the buyer, maximum term (in years) </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_NumberOfDrillingRigsLeased" xlink:label="chk_NumberOfDrillingRigsLeased"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_NumberOfDrillingRigsLeased" xlink:to="chk_NumberOfDrillingRigsLeased_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_NumberOfDrillingRigsLeased_lbl" xml:lang="en-US"> Number Of Drilling Rigs Leased </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_NumberOfDrillingRigsLeased_lbl" xml:lang="en-US"> Number Of Drilling Rigs Leased </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_NumberOfDrillingRigsLeased_lbl" xml:lang="en-US"> Number of drilling rigs leased </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_LeaseTerm" xlink:label="chk_LeaseTerm"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_LeaseTerm" xlink:to="chk_LeaseTerm_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_LeaseTerm_lbl" xml:lang="en-US"> Lease Term </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_LeaseTerm_lbl" xml:lang="en-US"> Lease Term </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_LeaseTerm_lbl" xml:lang="en-US"> Lease term, in months or years </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_EquipmentSold" xlink:label="chk_EquipmentSold"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_EquipmentSold" xlink:to="chk_EquipmentSold_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_EquipmentSold_lbl" xml:lang="en-US"> Equipment Sold </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_EquipmentSold_lbl" xml:lang="en-US"> Equipment Sold </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_EquipmentSold_lbl" xml:lang="en-US"> Equipment sold </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_NumberOfRepurchasedEquipmentSold" xlink:label="chk_NumberOfRepurchasedEquipmentSold"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_NumberOfRepurchasedEquipmentSold" xlink:to="chk_NumberOfRepurchasedEquipmentSold_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_NumberOfRepurchasedEquipmentSold_lbl" xml:lang="en-US"> Number of Repurchased Equipment Sold </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_NumberOfRepurchasedEquipmentSold_lbl" xml:lang="en-US"> Number of Repurchased Equipment Sold </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_NumberOfRepurchasedEquipmentSold_lbl" xml:lang="en-US"> Number of repurchased equipment </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_InvestmentInNewlyIssuedConvertibleNotes" xlink:label="chk_InvestmentInNewlyIssuedConvertibleNotes"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_InvestmentInNewlyIssuedConvertibleNotes" xlink:to="chk_InvestmentInNewlyIssuedConvertibleNotes_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_InvestmentInNewlyIssuedConvertibleNotes_lbl" xml:lang="en-US"> Investment In Newly Issued Convertible Notes </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_InvestmentInNewlyIssuedConvertibleNotes_lbl" xml:lang="en-US"> Investment In Newly Issued Convertible Notes </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_InvestmentInNewlyIssuedConvertibleNotes_lbl" xml:lang="en-US"> Investment in newly issued convertible notes </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtConversionConvertedInstrumentRate" xlink:label="us-gaap_DebtConversionConvertedInstrumentRate"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtConversionConvertedInstrumentRate" xlink:to="us-gaap_DebtConversionConvertedInstrumentRate_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtConversionConvertedInstrumentRate_lbl" xml:lang="en-US"> Debt Conversion, Converted Instrument, Rate </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DebtConversionConvertedInstrumentRate_lbl" xml:lang="en-US"> Conversion premium of convertible option into shares </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentConvertibleConversionPrice1" xlink:label="us-gaap_DebtInstrumentConvertibleConversionPrice1"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentConvertibleConversionPrice1" xlink:to="us-gaap_DebtInstrumentConvertibleConversionPrice1_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtInstrumentConvertibleConversionPrice1_lbl" xml:lang="en-US"> Debt Instrument, Convertible, Conversion Price </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DebtInstrumentConvertibleConversionPrice1_lbl" xml:lang="en-US"> Conversion price </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_DebtInstrumentConvertibleConversionPrice1_lbl" xml:lang="en-US"> Conversion price for convertible promissory note </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentInterestRateEffectivePercentage" xlink:label="us-gaap_DebtInstrumentInterestRateEffectivePercentage"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentInterestRateEffectivePercentage" xlink:to="us-gaap_DebtInstrumentInterestRateEffectivePercentage_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtInstrumentInterestRateEffectivePercentage_lbl" xml:lang="en-US"> Debt Instrument, Interest Rate, Effective Percentage </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_DebtInstrumentInterestRateEffectivePercentage_lbl" xml:lang="en-US"> Annual rate </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRedeemablePreferredStock" xlink:label="us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRedeemablePreferredStock"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRedeemablePreferredStock" xlink:to="us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRedeemablePreferredStock_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRedeemablePreferredStock_lbl" xml:lang="en-US"> Equity Method Investment, Summarized Financial Information, Redeemable Preferred Stock </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRedeemablePreferredStock_lbl" xml:lang="en-US"> Investment in preferred stock </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DevelopmentWellsDrilledNetProductive" xlink:label="us-gaap_DevelopmentWellsDrilledNetProductive"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DevelopmentWellsDrilledNetProductive" xlink:to="us-gaap_DevelopmentWellsDrilledNetProductive_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DevelopmentWellsDrilledNetProductive_lbl" xml:lang="en-US"> Development Wells Drilled, Net Productive </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DevelopmentWellsDrilledNetProductive_lbl" xml:lang="en-US"> Royalty interest on well bore </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_DevelopmentWellsDrilledNetProductive_lbl" xml:lang="en-US"> Number of development wells drilled </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_MinimumCommittedWellsPerYear" xlink:label="chk_MinimumCommittedWellsPerYear"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_MinimumCommittedWellsPerYear" xlink:to="chk_MinimumCommittedWellsPerYear_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_MinimumCommittedWellsPerYear_lbl" xml:lang="en-US"> Minimum committed wells per year. </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_MinimumCommittedWellsPerYear_lbl" xml:lang="en-US"> Minimum Committed Wells Per Year </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_MinimumCommittedWellsPerYear_lbl" xml:lang="en-US"> Minimum committed wells per year </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_MinimumCommittedWellsPerYearInYearOne" xlink:label="chk_MinimumCommittedWellsPerYearInYearOne"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_MinimumCommittedWellsPerYearInYearOne" xlink:to="chk_MinimumCommittedWellsPerYearInYearOne_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_MinimumCommittedWellsPerYearInYearOne_lbl" xml:lang="en-US"> Minimum committed wells per year in year one </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_MinimumCommittedWellsPerYearInYearOne_lbl" xml:lang="en-US"> Minimum Committed Wells Per Year In Year One </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_MinimumCommittedWellsPerYearInYearOne_lbl" xml:lang="en-US"> Minimum committed wells per year in 2013 </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_MinimumCommittedWellsPerYearInYearTwo" xlink:label="chk_MinimumCommittedWellsPerYearInYearTwo"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_MinimumCommittedWellsPerYearInYearTwo" xlink:to="chk_MinimumCommittedWellsPerYearInYearTwo_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_MinimumCommittedWellsPerYearInYearTwo_lbl" xml:lang="en-US"> Minimum committed wells per year in year two </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_MinimumCommittedWellsPerYearInYearTwo_lbl" xml:lang="en-US"> Minimum Committed Wells Per Year In Year Two </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_MinimumCommittedWellsPerYearInYearTwo_lbl" xml:lang="en-US"> Minimum committed wells per year in 2014 </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_DrillingCommitments" xlink:label="chk_DrillingCommitments"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_DrillingCommitments" xlink:to="chk_DrillingCommitments_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_DrillingCommitments_lbl" xml:lang="en-US"> Drilling commitments </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_DrillingCommitments_lbl" xml:lang="en-US"> Drilling Commitments </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_DrillingCommitments_lbl" xml:lang="en-US"> Drilling commitments </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_DrillingPercentagePreviousAmount" xlink:label="chk_DrillingPercentagePreviousAmount"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_DrillingPercentagePreviousAmount" xlink:to="chk_DrillingPercentagePreviousAmount_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_DrillingPercentagePreviousAmount_lbl" xml:lang="en-US"> Drilling percentage, previous amount </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_DrillingPercentagePreviousAmount_lbl" xml:lang="en-US"> Drilling percentage, previous amount </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_DrillingPercentagePreviousAmount_lbl" xml:lang="en-US"> Drilling carrying percentage, previous amount </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_DrillingPercentageCurrentAmount" xlink:label="chk_DrillingPercentageCurrentAmount"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_DrillingPercentageCurrentAmount" xlink:to="chk_DrillingPercentageCurrentAmount_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_DrillingPercentageCurrentAmount_lbl" xml:lang="en-US"> Drilling percentage, current amount </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_DrillingPercentageCurrentAmount_lbl" xml:lang="en-US"> Drilling percentage, current amount </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_DrillingPercentageCurrentAmount_lbl" xml:lang="en-US"> Drilling carrying percentage, current amount </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_GuaranteedGrossProfitMargin" xlink:label="chk_GuaranteedGrossProfitMargin"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_GuaranteedGrossProfitMargin" xlink:to="chk_GuaranteedGrossProfitMargin_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_GuaranteedGrossProfitMargin_lbl" xml:lang="en-US"> Guaranteed gross profit margin </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_GuaranteedGrossProfitMargin_lbl" xml:lang="en-US"> Guaranteed gross profit margin </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_GuaranteedGrossProfitMargin_lbl" xml:lang="en-US"> Guaranteed gross profit margin </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_EarningsBeforeInterestTaxesDepreciationAndAmortizationOfMinimumCommitmentAmount" xlink:label="chk_EarningsBeforeInterestTaxesDepreciationAndAmortizationOfMinimumCommitmentAmount"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_EarningsBeforeInterestTaxesDepreciationAndAmortizationOfMinimumCommitmentAmount" xlink:to="chk_EarningsBeforeInterestTaxesDepreciationAndAmortizationOfMinimumCommitmentAmount_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_EarningsBeforeInterestTaxesDepreciationAndAmortizationOfMinimumCommitmentAmount_lbl" xml:lang="en-US"> Earnings before interest taxes depreciation and amortization of minimum commitment amount. </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_EarningsBeforeInterestTaxesDepreciationAndAmortizationOfMinimumCommitmentAmount_lbl" xml:lang="en-US"> Earnings Before Interest Taxes Depreciation And Amortization Of Minimum Commitment Amount </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_EarningsBeforeInterestTaxesDepreciationAndAmortizationOfMinimumCommitmentAmount_lbl" xml:lang="en-US"> EBITDA minimum commitment amount </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_GainLossOnSaleOfPropertyPlantEquipment" xlink:label="us-gaap_GainLossOnSaleOfPropertyPlantEquipment"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GainLossOnSaleOfPropertyPlantEquipment" xlink:to="us-gaap_GainLossOnSaleOfPropertyPlantEquipment_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_GainLossOnSaleOfPropertyPlantEquipment_lbl" xml:lang="en-US"> Gain (Loss) on Sale of Property Plant Equipment </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_GainLossOnSaleOfPropertyPlantEquipment_lbl" xml:lang="en-US"> (Gains) losses on sales of other property and equipment </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedNetLabel" xlink:label="us-gaap_GainLossOnSaleOfPropertyPlantEquipment_lbl" xml:lang="en-US"> Losses on sales of other property and equipment </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:label="us-gaap_GainLossOnSaleOfPropertyPlantEquipment_lbl" xml:lang="en-US"> (Gains) losses on sales of other property and equipment </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_GainLossOnSaleOfPropertyPlantEquipment_lbl" xml:lang="en-US"> Losses on sales of other property and equipment </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_GainLossOnSaleOfPropertyPlantEquipment_lbl" xml:lang="en-US"> Gain (Loss) on Sale of Property Plant Equipment, Total </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_GainLossOnSaleOfPropertyPlantEquipment_lbl" xml:lang="en-US"> Gain on sale of natural gas gathering system and related facilities </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDue" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDue"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsDue" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDue_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDue_lbl" xml:lang="en-US"> Operating Leases, Future Minimum Payments Due </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDue_lbl" xml:lang="en-US"> Total </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDue_lbl" xml:lang="en-US"> Aggregate undiscounted minimum future commitments </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_RigCount" xlink:label="chk_RigCount"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_RigCount" xlink:to="chk_RigCount_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_RigCount_lbl" xml:lang="en-US"> Rig count </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_RigCount_lbl" xml:lang="en-US"> Rig count </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_RigCount_lbl" xml:lang="en-US"> Rig count </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PartnersCapitalAccountContributions" xlink:label="us-gaap_PartnersCapitalAccountContributions"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PartnersCapitalAccountContributions" xlink:to="us-gaap_PartnersCapitalAccountContributions_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PartnersCapitalAccountContributions_lbl" xml:lang="en-US"> Partners' Capital Account, Contributions </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PartnersCapitalAccountContributions_lbl" xml:lang="en-US"> Capital contributions </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_ServiceAgreementCommitmentYearOne" xlink:label="chk_ServiceAgreementCommitmentYearOne"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_ServiceAgreementCommitmentYearOne" xlink:to="chk_ServiceAgreementCommitmentYearOne_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_ServiceAgreementCommitmentYearOne_lbl" xml:lang="en-US"> Service Agreement Commitment, Year One </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_ServiceAgreementCommitmentYearOne_lbl" xml:lang="en-US"> Service Agreement Commitment, Year One </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="chk_ServiceAgreementCommitmentYearOne_lbl" xml:lang="en-US"> 2012 </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_ServiceAgreementCommitmentYearTwo" xlink:label="chk_ServiceAgreementCommitmentYearTwo"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_ServiceAgreementCommitmentYearTwo" xlink:to="chk_ServiceAgreementCommitmentYearTwo_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_ServiceAgreementCommitmentYearTwo_lbl" xml:lang="en-US"> Service Agreement Commitment, Year Two </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_ServiceAgreementCommitmentYearTwo_lbl" xml:lang="en-US"> Service Agreement Commitment, Year Two </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="chk_ServiceAgreementCommitmentYearTwo_lbl" xml:lang="en-US"> 2013 </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_ServiceAgreementCommitmentYearThree" xlink:label="chk_ServiceAgreementCommitmentYearThree"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_ServiceAgreementCommitmentYearThree" xlink:to="chk_ServiceAgreementCommitmentYearThree_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_ServiceAgreementCommitmentYearThree_lbl" xml:lang="en-US"> Service Agreement Commitment, Year Three </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_ServiceAgreementCommitmentYearThree_lbl" xml:lang="en-US"> Service Agreement Commitment, Year Three </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="chk_ServiceAgreementCommitmentYearThree_lbl" xml:lang="en-US"> 2014 </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_ServiceAgreementCommitmentYearFour" xlink:label="chk_ServiceAgreementCommitmentYearFour"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_ServiceAgreementCommitmentYearFour" xlink:to="chk_ServiceAgreementCommitmentYearFour_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_ServiceAgreementCommitmentYearFour_lbl" xml:lang="en-US"> Service Agreement Commitment, Year Four </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_ServiceAgreementCommitmentYearFour_lbl" xml:lang="en-US"> Service Agreement Commitment, Year Four </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="chk_ServiceAgreementCommitmentYearFour_lbl" xml:lang="en-US"> 2015 </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_ServiceAgreementCommitmentYearFive" xlink:label="chk_ServiceAgreementCommitmentYearFive"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_ServiceAgreementCommitmentYearFive" xlink:to="chk_ServiceAgreementCommitmentYearFive_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_ServiceAgreementCommitmentYearFive_lbl" xml:lang="en-US"> Service Agreement Commitment, Year Five </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_ServiceAgreementCommitmentYearFive_lbl" xml:lang="en-US"> Service Agreement Commitment, Year Five </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="chk_ServiceAgreementCommitmentYearFive_lbl" xml:lang="en-US"> 2016 </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_ServiceAgreementCommitmentAfterYearFive" xlink:label="chk_ServiceAgreementCommitmentAfterYearFive"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_ServiceAgreementCommitmentAfterYearFive" xlink:to="chk_ServiceAgreementCommitmentAfterYearFive_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_ServiceAgreementCommitmentAfterYearFive_lbl" xml:lang="en-US"> Service Agreement Commitment After Year Five </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_ServiceAgreementCommitmentAfterYearFive_lbl" xml:lang="en-US"> Service Agreement Commitment After Year Five </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_ServiceAgreementCommitmentAfterYearFive_lbl" xml:lang="en-US"> 2017 - 2099 </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_ServiceAgreementCommitmentTotal" xlink:label="chk_ServiceAgreementCommitmentTotal"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_ServiceAgreementCommitmentTotal" xlink:to="chk_ServiceAgreementCommitmentTotal_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_ServiceAgreementCommitmentTotal_lbl" xml:lang="en-US"> Service Agreement Commitment, Total </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_ServiceAgreementCommitmentTotal_lbl" xml:lang="en-US"> Service Agreement Commitment Total </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="chk_ServiceAgreementCommitmentTotal_lbl" xml:lang="en-US"> Total </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="us-gaap_StatementBusinessSegmentsAxis"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementBusinessSegmentsAxis" xlink:to="us-gaap_StatementBusinessSegmentsAxis_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StatementBusinessSegmentsAxis_lbl" xml:lang="en-US"> Statement, Business Segments [Axis] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentDomain" xlink:label="us-gaap_SegmentDomain"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SegmentDomain" xlink:to="us-gaap_SegmentDomain_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SegmentDomain_lbl" xml:lang="en-US"> Segment [Domain] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_SegmentDomain_lbl" xml:lang="en-US"> Segment, Business [Domain] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_ChkUticaMember" xlink:label="chk_ChkUticaMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_ChkUticaMember" xlink:to="chk_ChkUticaMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_ChkUticaMember_lbl" xml:lang="en-US"> CHK Utica [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_ChkUticaMember_lbl" xml:lang="en-US"> Chk Utica [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_ChkUticaMember_lbl" xml:lang="en-US"> CHK Utica [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_ChkCTMember" xlink:label="chk_ChkCTMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_ChkCTMember" xlink:to="chk_ChkCTMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_ChkCTMember_lbl" xml:lang="en-US"> CHK C-T [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_ChkCTMember_lbl" xml:lang="en-US"> Chk C T [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_ChkCTMember_lbl" xml:lang="en-US"> CHK C-T [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_ConveyanceObligationNoncurrent" xlink:label="chk_ConveyanceObligationNoncurrent"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_ConveyanceObligationNoncurrent" xlink:to="chk_ConveyanceObligationNoncurrent_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_ConveyanceObligationNoncurrent_lbl" xml:lang="en-US"> Conveyance obligation, noncurrent </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_ConveyanceObligationNoncurrent_lbl" xml:lang="en-US"> Conveyance Obligation, Noncurrent </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_ConveyanceObligationNoncurrent_lbl" xml:lang="en-US"> Conveyance obligation </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_FinancingLeaseObligationsNoncurrent" xlink:label="chk_FinancingLeaseObligationsNoncurrent"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_FinancingLeaseObligationsNoncurrent" xlink:to="chk_FinancingLeaseObligationsNoncurrent_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_FinancingLeaseObligationsNoncurrent_lbl" xml:lang="en-US"> Financing lease obligations, noncurrent </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_FinancingLeaseObligationsNoncurrent_lbl" xml:lang="en-US"> Financing Lease Obligations, Noncurrent </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_FinancingLeaseObligationsNoncurrent_lbl" xml:lang="en-US"> Financing lease obligations </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_RevenuesAndRoyaltiesDueOthersNoncurrent" xlink:label="chk_RevenuesAndRoyaltiesDueOthersNoncurrent"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_RevenuesAndRoyaltiesDueOthersNoncurrent" xlink:to="chk_RevenuesAndRoyaltiesDueOthersNoncurrent_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_RevenuesAndRoyaltiesDueOthersNoncurrent_lbl" xml:lang="en-US"> Revenues and royalties due others, noncurrent </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_RevenuesAndRoyaltiesDueOthersNoncurrent_lbl" xml:lang="en-US"> Revenues And Royalties Due Others, Noncurrent </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_RevenuesAndRoyaltiesDueOthersNoncurrent_lbl" xml:lang="en-US"> Revenues and royalties due others </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_MortgagesPayableNoncurrent" xlink:label="chk_MortgagesPayableNoncurrent"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_MortgagesPayableNoncurrent" xlink:to="chk_MortgagesPayableNoncurrent_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_MortgagesPayableNoncurrent_lbl" xml:lang="en-US"> Mortgages payable, noncurrent </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_MortgagesPayableNoncurrent_lbl" xml:lang="en-US"> Mortgages Payable, Noncurrent </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_MortgagesPayableNoncurrent_lbl" xml:lang="en-US"> Mortgages payable </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherLongTermDebtNoncurrent" xlink:label="us-gaap_OtherLongTermDebtNoncurrent"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherLongTermDebtNoncurrent" xlink:to="us-gaap_OtherLongTermDebtNoncurrent_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherLongTermDebtNoncurrent_lbl" xml:lang="en-US"> Other Long-term Debt, Noncurrent </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OtherLongTermDebtNoncurrent_lbl" xml:lang="en-US"> Other </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingLeasesIncomeStatementMinimumLeaseRevenue" xlink:label="us-gaap_OperatingLeasesIncomeStatementMinimumLeaseRevenue"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesIncomeStatementMinimumLeaseRevenue" xlink:to="us-gaap_OperatingLeasesIncomeStatementMinimumLeaseRevenue_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingLeasesIncomeStatementMinimumLeaseRevenue_lbl" xml:lang="en-US"> Operating Leases, Income Statement, Minimum Lease Revenue </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OperatingLeasesIncomeStatementMinimumLeaseRevenue_lbl" xml:lang="en-US"> Leased amount </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_LeaseAgreementContractualTerm" xlink:label="chk_LeaseAgreementContractualTerm"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_LeaseAgreementContractualTerm" xlink:to="chk_LeaseAgreementContractualTerm_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_LeaseAgreementContractualTerm_lbl" xml:lang="en-US"> Lease agreement contractual term </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_LeaseAgreementContractualTerm_lbl" xml:lang="en-US"> Lease Agreement Contractual Term </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_LeaseAgreementContractualTerm_lbl" xml:lang="en-US"> Lease agreement contractual term, years </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsReceivable" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsReceivable"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalLeasesFutureMinimumPaymentsReceivable" xlink:to="us-gaap_CapitalLeasesFutureMinimumPaymentsReceivable_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsReceivable_lbl" xml:lang="en-US"> Capital Leases, Future Minimum Payments Receivable </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsReceivable_lbl" xml:lang="en-US"> Net proceeds from lease </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsReceivable_lbl" xml:lang="en-US"> Capital Leases, Future Minimum Payments Receivable, Total </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CapitalLeasesOfLessorContingentRentalsBasisSpreadOnVariableRate" xlink:label="us-gaap_CapitalLeasesOfLessorContingentRentalsBasisSpreadOnVariableRate"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalLeasesOfLessorContingentRentalsBasisSpreadOnVariableRate" xlink:to="us-gaap_CapitalLeasesOfLessorContingentRentalsBasisSpreadOnVariableRate_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CapitalLeasesOfLessorContingentRentalsBasisSpreadOnVariableRate_lbl" xml:lang="en-US"> Capital Leases of Lessor, Contingent Rentals, Basis Spread on Variable Rate </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CapitalLeasesOfLessorContingentRentalsBasisSpreadOnVariableRate_lbl" xml:lang="en-US"> Floating rate basis points </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_NumberOfRealEstateAssetsFinanced" xlink:label="chk_NumberOfRealEstateAssetsFinanced"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_NumberOfRealEstateAssetsFinanced" xlink:to="chk_NumberOfRealEstateAssetsFinanced_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_NumberOfRealEstateAssetsFinanced_lbl" xml:lang="en-US"> Number of Real Estate Assets Financed </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_NumberOfRealEstateAssetsFinanced_lbl" xml:lang="en-US"> Number Of Real Estate Assets Financed </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedPeriodStartLabel" xlink:label="chk_NumberOfRealEstateAssetsFinanced_lbl" xml:lang="en-US"> NumberOfRealEstateAssetsFinanced </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_NumberOfRealEstateAssetsFinanced_lbl" xml:lang="en-US"> Number of real estate surface assets financed </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_NumberOfRealEstateSurfaceAssetsRepurchased" xlink:label="chk_NumberOfRealEstateSurfaceAssetsRepurchased"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_NumberOfRealEstateSurfaceAssetsRepurchased" xlink:to="chk_NumberOfRealEstateSurfaceAssetsRepurchased_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_NumberOfRealEstateSurfaceAssetsRepurchased_lbl" xml:lang="en-US"> Number of real estate surface assets repurchased </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_NumberOfRealEstateSurfaceAssetsRepurchased_lbl" xml:lang="en-US"> Number of real estate surface assets repurchased </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_NumberOfRealEstateSurfaceAssetsRepurchased_lbl" xml:lang="en-US"> Number of real estate surface assets repurchased </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_NumberOfRealEstateSurfaceAssetsRemaining" xlink:label="chk_NumberOfRealEstateSurfaceAssetsRemaining"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_NumberOfRealEstateSurfaceAssetsRemaining" xlink:to="chk_NumberOfRealEstateSurfaceAssetsRemaining_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_NumberOfRealEstateSurfaceAssetsRemaining_lbl" xml:lang="en-US"> Number of real estate surface assets remaining </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_NumberOfRealEstateSurfaceAssetsRemaining_lbl" xml:lang="en-US"> Number of real estate surface assets remaining </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_NumberOfRealEstateSurfaceAssetsRemaining_lbl" xml:lang="en-US"> Number of real estate surface assets remaining </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:to="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_lbl" xml:lang="en-US"> Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="us-gaap_StatementScenarioAxis"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementScenarioAxis" xlink:to="us-gaap_StatementScenarioAxis_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StatementScenarioAxis_lbl" xml:lang="en-US"> Statement, Scenario [Axis] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="us-gaap_ScenarioUnspecifiedDomain"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScenarioUnspecifiedDomain" xlink:to="us-gaap_ScenarioUnspecifiedDomain_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScenarioUnspecifiedDomain_lbl" xml:lang="en-US"> Scenario Unspecified [Domain] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ScenarioUnspecifiedDomain_lbl" xml:lang="en-US"> Scenario, Unspecified [Domain] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScenarioActualMember" xlink:label="us-gaap_ScenarioActualMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScenarioActualMember" xlink:to="us-gaap_ScenarioActualMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScenarioActualMember_lbl" xml:lang="en-US"> Scenario Actual [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ScenarioActualMember_lbl" xml:lang="en-US"> Scenario, Actual [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_WesternOklahomaMember" xlink:label="chk_WesternOklahomaMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_WesternOklahomaMember" xlink:to="chk_WesternOklahomaMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_WesternOklahomaMember_lbl" xml:lang="en-US"> Western Oklahoma [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_WesternOklahomaMember_lbl" xml:lang="en-US"> Western Oklahoma [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_WesternOklahomaMember_lbl" xml:lang="en-US"> Western Oklahoma [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_EPUsaMember" xlink:label="chk_EPUsaMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_EPUsaMember" xlink:to="chk_EPUsaMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_EPUsaMember_lbl" xml:lang="en-US"> E&P USA [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_EPUsaMember_lbl" xml:lang="en-US"> E P Usa [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_EPUsaMember_lbl" xml:lang="en-US"> E&P USA [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_ChesapeakeClevelandTonkawaLimitedLiabilityCompanyMember" xlink:label="chk_ChesapeakeClevelandTonkawaLimitedLiabilityCompanyMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_ChesapeakeClevelandTonkawaLimitedLiabilityCompanyMember" xlink:to="chk_ChesapeakeClevelandTonkawaLimitedLiabilityCompanyMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_ChesapeakeClevelandTonkawaLimitedLiabilityCompanyMember_lbl" xml:lang="en-US"> Chesapeake Cleveland Tonkawa Limited Liability Company [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_ChesapeakeClevelandTonkawaLimitedLiabilityCompanyMember_lbl" xml:lang="en-US"> Chesapeake Cleveland Tonkawa Limited Liability Company [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_ChesapeakeClevelandTonkawaLimitedLiabilityCompanyMember_lbl" xml:lang="en-US"> Chesapeake Cleveland Tonkawa L.L.C [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_CardinalGasServicePropertiesLPMember" xlink:label="chk_CardinalGasServicePropertiesLPMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_CardinalGasServicePropertiesLPMember" xlink:to="chk_CardinalGasServicePropertiesLPMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_CardinalGasServicePropertiesLPMember_lbl" xml:lang="en-US"> Cardinal Gas Service Properties L P [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_CardinalGasServicePropertiesLPMember_lbl" xml:lang="en-US"> Cardinal Gas Service Properties L P [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_CardinalGasServicePropertiesLPMember_lbl" xml:lang="en-US"> Cardinal Gas Service Properties, L.P. [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_LeaseAxis" xlink:label="chk_LeaseAxis"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_LeaseAxis" xlink:to="chk_LeaseAxis_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_LeaseAxis_lbl" xml:lang="en-US"> Lease [Axis] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_LeaseAxis_lbl" xml:lang="en-US"> Lease [Axis] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_LeaseDomain" xlink:label="chk_LeaseDomain"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_LeaseDomain" xlink:to="chk_LeaseDomain_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_LeaseDomain_lbl" xml:lang="en-US"> Lease [Domain] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_LeaseDomain_lbl" xml:lang="en-US"> Lease [Domain] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_LeaseDomain_lbl" xml:lang="en-US"> Lease [Domain] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_UticaShaleLeaseholdMember" xlink:label="chk_UticaShaleLeaseholdMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_UticaShaleLeaseholdMember" xlink:to="chk_UticaShaleLeaseholdMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_UticaShaleLeaseholdMember_lbl" xml:lang="en-US"> Utica Shale Leasehold [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_UticaShaleLeaseholdMember_lbl" xml:lang="en-US"> Utica Shale Leasehold [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_UticaShaleLeaseholdMember_lbl" xml:lang="en-US"> Utica Shale Leasehold [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_FourPointFiveZeroPercentageCumulativeConvertiblePreferredStockMember" xlink:label="chk_FourPointFiveZeroPercentageCumulativeConvertiblePreferredStockMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_FourPointFiveZeroPercentageCumulativeConvertiblePreferredStockMember" xlink:to="chk_FourPointFiveZeroPercentageCumulativeConvertiblePreferredStockMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_FourPointFiveZeroPercentageCumulativeConvertiblePreferredStockMember_lbl" xml:lang="en-US"> Four Point Five Zero Percentage Cumulative Convertible Preferred Stock [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_FourPointFiveZeroPercentageCumulativeConvertiblePreferredStockMember_lbl" xml:lang="en-US"> Four Point Five Zero Percentage Cumulative Convertible Preferred Stock [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_FourPointFiveZeroPercentageCumulativeConvertiblePreferredStockMember_lbl" xml:lang="en-US"> 4.50% Cumulative Convertible Preferred Stock [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_FivePointZeroZeroPercentageCumulativeConvertiblePreferredStockSeriesTwoThousandAndFiveBMember" xlink:label="chk_FivePointZeroZeroPercentageCumulativeConvertiblePreferredStockSeriesTwoThousandAndFiveBMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_FivePointZeroZeroPercentageCumulativeConvertiblePreferredStockSeriesTwoThousandAndFiveBMember" xlink:to="chk_FivePointZeroZeroPercentageCumulativeConvertiblePreferredStockSeriesTwoThousandAndFiveBMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_FivePointZeroZeroPercentageCumulativeConvertiblePreferredStockSeriesTwoThousandAndFiveBMember_lbl" xml:lang="en-US"> Five Point Zero Zero Percentage Cumulative Convertible Preferred Stock (Series Two Thousand And Five B) [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_FivePointZeroZeroPercentageCumulativeConvertiblePreferredStockSeriesTwoThousandAndFiveBMember_lbl" xml:lang="en-US"> Five Point Zero Zero Percentage Cumulative Convertible Preferred Stock Series Two Thousand And Five B [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_FivePointZeroZeroPercentageCumulativeConvertiblePreferredStockSeriesTwoThousandAndFiveBMember_lbl" xml:lang="en-US"> 5.00% Cumulative Convertible Preferred Stock (Series 2005B) [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_CumulativeConvertibleFivePointSevenFivePercentNonVotingPreferredStockMember" xlink:label="chk_CumulativeConvertibleFivePointSevenFivePercentNonVotingPreferredStockMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_CumulativeConvertibleFivePointSevenFivePercentNonVotingPreferredStockMember" xlink:to="chk_CumulativeConvertibleFivePointSevenFivePercentNonVotingPreferredStockMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_CumulativeConvertibleFivePointSevenFivePercentNonVotingPreferredStockMember_lbl" xml:lang="en-US"> Cumulative Convertible Five Point Seven Five Percent Non-Voting Preferred Stock [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_CumulativeConvertibleFivePointSevenFivePercentNonVotingPreferredStockMember_lbl" xml:lang="en-US"> Cumulative Convertible Five Point Seven Five Percent Non Voting Preferred Stock [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_CumulativeConvertibleFivePointSevenFivePercentNonVotingPreferredStockMember_lbl" xml:lang="en-US"> Cumulative Convertible 5.75% Non-Voting Preferred Stock [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_SubordinatedUnitsMember" xlink:label="chk_SubordinatedUnitsMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_SubordinatedUnitsMember" xlink:to="chk_SubordinatedUnitsMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_SubordinatedUnitsMember_lbl" xml:lang="en-US"> Subordinated Units [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_SubordinatedUnitsMember_lbl" xml:lang="en-US"> Subordinated Units [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_SubordinatedUnitsMember_lbl" xml:lang="en-US"> Subordinated Units [Member] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardAwardTypeAndPlanNameAxis" xlink:label="us-gaap_ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardAwardTypeAndPlanNameAxis"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardAwardTypeAndPlanNameAxis" xlink:to="us-gaap_ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardAwardTypeAndPlanNameAxis_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardAwardTypeAndPlanNameAxis_lbl" xml:lang="en-US"> Schedule of Share-based Compensation Arrangement by Share-based Payment Award, Award Type and Plan Name [Axis] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_lbl" xml:lang="en-US"> Share Based Compensation Arrangements By Share Based Payment Award Award Type And Plan Name [Domain] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_lbl" xml:lang="en-US"> Share-based Compensation Arrangements by Share-based Payment Award, Award Type and Plan Name [Domain] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_UnvestedStockOptionsMember" xlink:label="chk_UnvestedStockOptionsMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_UnvestedStockOptionsMember" xlink:to="chk_UnvestedStockOptionsMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_UnvestedStockOptionsMember_lbl" xml:lang="en-US"> Unvested Stock Options [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_UnvestedStockOptionsMember_lbl" xml:lang="en-US"> Unvested Stock Options [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_UnvestedStockOptionsMember_lbl" xml:lang="en-US"> Unvested Stock Options [Member] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_lbl" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award [Line Items] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue_lbl" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue_lbl" xml:lang="en-US"> Aggregate intrinsic value of restricted stock vested </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized" xlink:to="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_lbl" xml:lang="en-US"> Total unrecognized compensation cost related to unvested restricted stock </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_lbl" xml:lang="en-US"> Unrecognized compensation cost </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_RecognizedReductionInTaxBenefits" xlink:label="chk_RecognizedReductionInTaxBenefits"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_RecognizedReductionInTaxBenefits" xlink:to="chk_RecognizedReductionInTaxBenefits_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_RecognizedReductionInTaxBenefits_lbl" xml:lang="en-US"> Recognized Reduction In Tax Benefits </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_RecognizedReductionInTaxBenefits_lbl" xml:lang="en-US"> Recognized Reduction In Tax Benefits </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_RecognizedReductionInTaxBenefits_lbl" xml:lang="en-US"> Recognized reductions in tax benefits </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_VestingPeriodForEmployeesYears" xlink:label="chk_VestingPeriodForEmployeesYears"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_VestingPeriodForEmployeesYears" xlink:to="chk_VestingPeriodForEmployeesYears_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_VestingPeriodForEmployeesYears_lbl" xml:lang="en-US"> Vesting Period For Employees, Years </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_VestingPeriodForEmployeesYears_lbl" xml:lang="en-US"> Vesting Period For Employees, Years </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_VestingPeriodForEmployeesYears_lbl" xml:lang="en-US"> Employee vesting period used for value amortization, years </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_VestingPeriodForNonEmployeeDirectorsYears" xlink:label="chk_VestingPeriodForNonEmployeeDirectorsYears"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_VestingPeriodForNonEmployeeDirectorsYears" xlink:to="chk_VestingPeriodForNonEmployeeDirectorsYears_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_VestingPeriodForNonEmployeeDirectorsYears_lbl" xml:lang="en-US"> Vesting Period For Non-Employee Directors, Years </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_VestingPeriodForNonEmployeeDirectorsYears_lbl" xml:lang="en-US"> Vesting Period For Non-Employee Directors, Years </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_VestingPeriodForNonEmployeeDirectorsYears_lbl" xml:lang="en-US"> Non-employee directors vesting period used for value amortization, years </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures" xlink:label="us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures" xlink:to="us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures_lbl" xml:lang="en-US"> Restricted stock issuances (net of forfeitures) </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures_lbl" xml:lang="en-US"> Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures, Total </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PreferredStockRedemptionPricePerShare" xlink:label="us-gaap_PreferredStockRedemptionPricePerShare"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PreferredStockRedemptionPricePerShare" xlink:to="us-gaap_PreferredStockRedemptionPricePerShare_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PreferredStockRedemptionPricePerShare_lbl" xml:lang="en-US"> Preferred Stock, Redemption Price Per Share </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PreferredStockRedemptionPricePerShare_lbl" xml:lang="en-US"> Redemption price and liquidation preference per preferred share </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_PreferredStockRedemptionPricePerShare_lbl" xml:lang="en-US"> Preferred stock, Redemption price per share </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_LeaseholdLandHeldWithWhollyOwnedSubsidiaryOfParentCompany" xlink:label="chk_LeaseholdLandHeldWithWhollyOwnedSubsidiaryOfParentCompany"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_LeaseholdLandHeldWithWhollyOwnedSubsidiaryOfParentCompany" xlink:to="chk_LeaseholdLandHeldWithWhollyOwnedSubsidiaryOfParentCompany_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_LeaseholdLandHeldWithWhollyOwnedSubsidiaryOfParentCompany_lbl" xml:lang="en-US"> Leasehold land held with wholly owned subsidiary of parent company </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_LeaseholdLandHeldWithWhollyOwnedSubsidiaryOfParentCompany_lbl" xml:lang="en-US"> Leasehold Land Held With Wholly Owned Subsidiary Of Parent Company </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_LeaseholdLandHeldWithWhollyOwnedSubsidiaryOfParentCompany_lbl" xml:lang="en-US"> Acres of leasehold land </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_OverridingRoyaltyInterestPercentage" xlink:label="chk_OverridingRoyaltyInterestPercentage"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_OverridingRoyaltyInterestPercentage" xlink:to="chk_OverridingRoyaltyInterestPercentage_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_OverridingRoyaltyInterestPercentage_lbl" xml:lang="en-US"> Overriding royalty interest, percentage </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_OverridingRoyaltyInterestPercentage_lbl" xml:lang="en-US"> Overriding Royalty Interest, Percentage </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_OverridingRoyaltyInterestPercentage_lbl" xml:lang="en-US"> Overriding royalty interest, percentage </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProductiveOilWellsNumberOfWellsNet" xlink:label="us-gaap_ProductiveOilWellsNumberOfWellsNet"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProductiveOilWellsNumberOfWellsNet" xlink:to="us-gaap_ProductiveOilWellsNumberOfWellsNet_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProductiveOilWellsNumberOfWellsNet_lbl" xml:lang="en-US"> Productive Oil Wells, Number of Wells, Net </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ProductiveOilWellsNumberOfWellsNet_lbl" xml:lang="en-US"> Number of net wells </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_NumberOfNetWellsMinimumCumulativeTotal" xlink:label="chk_NumberOfNetWellsMinimumCumulativeTotal"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_NumberOfNetWellsMinimumCumulativeTotal" xlink:to="chk_NumberOfNetWellsMinimumCumulativeTotal_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_NumberOfNetWellsMinimumCumulativeTotal_lbl" xml:lang="en-US"> Number of net wells, minimum cumulative total </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_NumberOfNetWellsMinimumCumulativeTotal_lbl" xml:lang="en-US"> Number Of Net Wells, Minimum Cumulative Total </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_NumberOfNetWellsMinimumCumulativeTotal_lbl" xml:lang="en-US"> Number of net wells, minimum cumulative total </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_NumberOfCountiesPresentInLeaseholdLand" xlink:label="chk_NumberOfCountiesPresentInLeaseholdLand"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_NumberOfCountiesPresentInLeaseholdLand" xlink:to="chk_NumberOfCountiesPresentInLeaseholdLand_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_NumberOfCountiesPresentInLeaseholdLand_lbl" xml:lang="en-US"> Number of counties present in the leasehold land </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_NumberOfCountiesPresentInLeaseholdLand_lbl" xml:lang="en-US"> Number Of Counties Present In The Leasehold Land </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_NumberOfCountiesPresentInLeaseholdLand_lbl" xml:lang="en-US"> Number of counties present in the leasehold land (Counties) </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_ContributionsByThirdPartyInvestors" xlink:label="chk_ContributionsByThirdPartyInvestors"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_ContributionsByThirdPartyInvestors" xlink:to="chk_ContributionsByThirdPartyInvestors_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_ContributionsByThirdPartyInvestors_lbl" xml:lang="en-US"> Contributions by third party investors </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_ContributionsByThirdPartyInvestors_lbl" xml:lang="en-US"> Contributions By Third Party Investors </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_ContributionsByThirdPartyInvestors_lbl" xml:lang="en-US"> Third-Party investors' contributions </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_NumberOfPreferredSharesExchangedForCash" xlink:label="chk_NumberOfPreferredSharesExchangedForCash"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_NumberOfPreferredSharesExchangedForCash" xlink:to="chk_NumberOfPreferredSharesExchangedForCash_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_NumberOfPreferredSharesExchangedForCash_lbl" xml:lang="en-US"> Number of preferred shares exchanged for cash </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_NumberOfPreferredSharesExchangedForCash_lbl" xml:lang="en-US"> Number Of Preferred Shares Exchanged For Cash </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_NumberOfPreferredSharesExchangedForCash_lbl" xml:lang="en-US"> Number of preferred shares exchanged for cash </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_AmountAllocatedToOverridingRoyaltyInterest" xlink:label="chk_AmountAllocatedToOverridingRoyaltyInterest"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_AmountAllocatedToOverridingRoyaltyInterest" xlink:to="chk_AmountAllocatedToOverridingRoyaltyInterest_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_AmountAllocatedToOverridingRoyaltyInterest_lbl" xml:lang="en-US"> Amount Allocated To Overriding Royalty Interest </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_AmountAllocatedToOverridingRoyaltyInterest_lbl" xml:lang="en-US"> Amount Allocated To Overriding Royalty Interest </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_AmountAllocatedToOverridingRoyaltyInterest_lbl" xml:lang="en-US"> Amount allocated to overriding royalty interest </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="chk_AmountAllocatedToOverridingRoyaltyInterest_lbl" xml:lang="en-US"> Amount allocated to ORRI </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DividendsPreferredStockCash" xlink:label="us-gaap_DividendsPreferredStockCash"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DividendsPreferredStockCash" xlink:to="us-gaap_DividendsPreferredStockCash_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DividendsPreferredStockCash_lbl" xml:lang="en-US"> Dividends, Preferred Stock, Cash </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DividendsPreferredStockCash_lbl" xml:lang="en-US"> Amount allocated to preferred shares </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_DividendsPreferredStockCash_lbl" xml:lang="en-US"> Percentage of dividends to preferred shares </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PreferredStockDividendRatePercentage" xlink:label="us-gaap_PreferredStockDividendRatePercentage"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PreferredStockDividendRatePercentage" xlink:to="us-gaap_PreferredStockDividendRatePercentage_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PreferredStockDividendRatePercentage_lbl" xml:lang="en-US"> Preferred Stock, Dividend Rate, Percentage </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PreferredStockDividendRatePercentage_lbl" xml:lang="en-US"> Preferred stock dividend, rate </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_PreferredStockDividendRatePercentage_lbl" xml:lang="en-US"> Preferred stock dividend rate percentage </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PreferredStockDividendsPerShareCashPaid" xlink:label="us-gaap_PreferredStockDividendsPerShareCashPaid"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PreferredStockDividendsPerShareCashPaid" xlink:to="us-gaap_PreferredStockDividendsPerShareCashPaid_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PreferredStockDividendsPerShareCashPaid_lbl" xml:lang="en-US"> Preferred Stock, Dividends, Per Share, Cash Paid </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_PreferredStockDividendsPerShareCashPaid_lbl" xml:lang="en-US"> Preferred stock per share </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_NumberOfOilWellsCommittedToDrillNetMinimum" xlink:label="chk_NumberOfOilWellsCommittedToDrillNetMinimum"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_NumberOfOilWellsCommittedToDrillNetMinimum" xlink:to="chk_NumberOfOilWellsCommittedToDrillNetMinimum_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_NumberOfOilWellsCommittedToDrillNetMinimum_lbl" xml:lang="en-US"> Number of Oil Wells Committed TO Drill Net, Minimum </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_NumberOfOilWellsCommittedToDrillNetMinimum_lbl" xml:lang="en-US"> Number of Oil Wells Committed TO Drill Net, Minimum </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_NumberOfOilWellsCommittedToDrillNetMinimum_lbl" xml:lang="en-US"> Number of oil wells committed to drill net, minimum </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_AmountOfExcessCashDistributedToThirdPartyInvestorsPercentage" xlink:label="chk_AmountOfExcessCashDistributedToThirdPartyInvestorsPercentage"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_AmountOfExcessCashDistributedToThirdPartyInvestorsPercentage" xlink:to="chk_AmountOfExcessCashDistributedToThirdPartyInvestorsPercentage_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_AmountOfExcessCashDistributedToThirdPartyInvestorsPercentage_lbl" xml:lang="en-US"> Amount of excess cash distributed to third party investors, percentage </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_AmountOfExcessCashDistributedToThirdPartyInvestorsPercentage_lbl" xml:lang="en-US"> Amount Of Excess Cash Distributed To Third Party Investors, Percentage </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_AmountOfExcessCashDistributedToThirdPartyInvestorsPercentage_lbl" xml:lang="en-US"> Amount of excess cash distributed to third party investors, percentage </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_AmountPayableOnEachShortOfDrillingCommitment" xlink:label="chk_AmountPayableOnEachShortOfDrillingCommitment"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_AmountPayableOnEachShortOfDrillingCommitment" xlink:to="chk_AmountPayableOnEachShortOfDrillingCommitment_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_AmountPayableOnEachShortOfDrillingCommitment_lbl" xml:lang="en-US"> Amount Payable On Each Short Of Drilling Commitment </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_AmountPayableOnEachShortOfDrillingCommitment_lbl" xml:lang="en-US"> Amount Payable On Each Short Of Drilling Commitment </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_AmountPayableOnEachShortOfDrillingCommitment_lbl" xml:lang="en-US"> Amount payable on each short of drilling commitment </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_OptionalDistributionDiscretion" xlink:label="chk_OptionalDistributionDiscretion"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_OptionalDistributionDiscretion" xlink:to="chk_OptionalDistributionDiscretion_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_OptionalDistributionDiscretion_lbl" xml:lang="en-US"> Optional Distribution, Discretion </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_OptionalDistributionDiscretion_lbl" xml:lang="en-US"> Optional Distribution, Discretion </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_OptionalDistributionDiscretion_lbl" xml:lang="en-US"> Information of optional cash distribution </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetIncomeLossAttributableToRedeemableNoncontrollingInterest" xlink:label="us-gaap_NetIncomeLossAttributableToRedeemableNoncontrollingInterest"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetIncomeLossAttributableToRedeemableNoncontrollingInterest" xlink:to="us-gaap_NetIncomeLossAttributableToRedeemableNoncontrollingInterest_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetIncomeLossAttributableToRedeemableNoncontrollingInterest_lbl" xml:lang="en-US"> Net Income (Loss) Attributable to Redeemable Noncontrolling Interest </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_NetIncomeLossAttributableToRedeemableNoncontrollingInterest_lbl" xml:lang="en-US"> Net income, attributable to CHK Utica </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_DescriptionOnInvestorsRightToReceive" xlink:label="chk_DescriptionOnInvestorsRightToReceive"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_DescriptionOnInvestorsRightToReceive" xlink:to="chk_DescriptionOnInvestorsRightToReceive_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_DescriptionOnInvestorsRightToReceive_lbl" xml:lang="en-US"> Description On Investors Right To Receive </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_DescriptionOnInvestorsRightToReceive_lbl" xml:lang="en-US"> Description On Investors Right To Receive </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_DescriptionOnInvestorsRightToReceive_lbl" xml:lang="en-US"> Description on investors right to receive </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_PercentageOfBeneficialInterestOwned" xlink:label="chk_PercentageOfBeneficialInterestOwned"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_PercentageOfBeneficialInterestOwned" xlink:to="chk_PercentageOfBeneficialInterestOwned_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_PercentageOfBeneficialInterestOwned_lbl" xml:lang="en-US"> Percentage Of Beneficial Interest Owned </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_PercentageOfBeneficialInterestOwned_lbl" xml:lang="en-US"> Percentage Of Beneficial Interest Owned </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_PercentageOfBeneficialInterestOwned_lbl" xml:lang="en-US"> Percentage of beneficial interest owned </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_PercentageOfExcessCashAllocatedToPreferredShares" xlink:label="chk_PercentageOfExcessCashAllocatedToPreferredShares"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_PercentageOfExcessCashAllocatedToPreferredShares" xlink:to="chk_PercentageOfExcessCashAllocatedToPreferredShares_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_PercentageOfExcessCashAllocatedToPreferredShares_lbl" xml:lang="en-US"> Percentage of excess cash allocated to preferred shares </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_PercentageOfExcessCashAllocatedToPreferredShares_lbl" xml:lang="en-US"> Percentage Of Excess Cash Allocated To Preferred Shares </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_PercentageOfExcessCashAllocatedToPreferredShares_lbl" xml:lang="en-US"> Percentage of excess cash allocated to preferred shares </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_PercentageOfExcessCashAllocatedToCommonShares" xlink:label="chk_PercentageOfExcessCashAllocatedToCommonShares"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_PercentageOfExcessCashAllocatedToCommonShares" xlink:to="chk_PercentageOfExcessCashAllocatedToCommonShares_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_PercentageOfExcessCashAllocatedToCommonShares_lbl" xml:lang="en-US"> Percentage of excess cash allocated to common shares </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_PercentageOfExcessCashAllocatedToCommonShares_lbl" xml:lang="en-US"> Percentage Of Excess Cash Allocated To Common Shares </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_PercentageOfExcessCashAllocatedToCommonShares_lbl" xml:lang="en-US"> Percentage of excess cash allocated to common shares </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_PercentageOfExcessCashAllocatedToPreferredSharesIfDrillingCommitmentNotMet" xlink:label="chk_PercentageOfExcessCashAllocatedToPreferredSharesIfDrillingCommitmentNotMet"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_PercentageOfExcessCashAllocatedToPreferredSharesIfDrillingCommitmentNotMet" xlink:to="chk_PercentageOfExcessCashAllocatedToPreferredSharesIfDrillingCommitmentNotMet_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_PercentageOfExcessCashAllocatedToPreferredSharesIfDrillingCommitmentNotMet_lbl" xml:lang="en-US"> Percentage of excess cash allocated to preferred shares if drilling commitment not met </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_PercentageOfExcessCashAllocatedToPreferredSharesIfDrillingCommitmentNotMet_lbl" xml:lang="en-US"> Percentage Of Excess Cash Allocated To Preferred Shares If Drilling Commitment Not Met </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_PercentageOfExcessCashAllocatedToPreferredSharesIfDrillingCommitmentNotMet_lbl" xml:lang="en-US"> Percentage of excess cash allocated to preferred shares if drilling commitment not met </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_PercentageOfInternalRateOfReturn" xlink:label="chk_PercentageOfInternalRateOfReturn"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_PercentageOfInternalRateOfReturn" xlink:to="chk_PercentageOfInternalRateOfReturn_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_PercentageOfInternalRateOfReturn_lbl" xml:lang="en-US"> Percentage of internal rate of return </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_PercentageOfInternalRateOfReturn_lbl" xml:lang="en-US"> Percentage Of Internal Rate Of Return </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_PercentageOfInternalRateOfReturn_lbl" xml:lang="en-US"> Percentage of internal rate of return </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_InternalReturnOnInvestmentMultiplier" xlink:label="chk_InternalReturnOnInvestmentMultiplier"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_InternalReturnOnInvestmentMultiplier" xlink:to="chk_InternalReturnOnInvestmentMultiplier_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_InternalReturnOnInvestmentMultiplier_lbl" xml:lang="en-US"> Internal return on investment, multiplier </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_InternalReturnOnInvestmentMultiplier_lbl" xml:lang="en-US"> Internal return on investment, multiplier </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_PercentageOfIncreaseInInternalRateOfReturnInEventRedemptionDoesNotOccur" xlink:label="chk_PercentageOfIncreaseInInternalRateOfReturnInEventRedemptionDoesNotOccur"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_PercentageOfIncreaseInInternalRateOfReturnInEventRedemptionDoesNotOccur" xlink:to="chk_PercentageOfIncreaseInInternalRateOfReturnInEventRedemptionDoesNotOccur_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_PercentageOfIncreaseInInternalRateOfReturnInEventRedemptionDoesNotOccur_lbl" xml:lang="en-US"> Percentage of increase in internal rate of return, in the event redemption does not occur </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_PercentageOfIncreaseInInternalRateOfReturnInEventRedemptionDoesNotOccur_lbl" xml:lang="en-US"> Percentage Of Increase In Internal Rate Of Return, In The Event Redemption Does Not Occur </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_PercentageOfIncreaseInInternalRateOfReturnInEventRedemptionDoesNotOccur_lbl" xml:lang="en-US"> Percentage of increase in internal rate of return, in the event redemption does not occur </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_PercentageOfIncreaseInInternalRateOfReturnInInvestmentInEventRedemptionDoesNotOccur" xlink:label="chk_PercentageOfIncreaseInInternalRateOfReturnInInvestmentInEventRedemptionDoesNotOccur"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_PercentageOfIncreaseInInternalRateOfReturnInInvestmentInEventRedemptionDoesNotOccur" xlink:to="chk_PercentageOfIncreaseInInternalRateOfReturnInInvestmentInEventRedemptionDoesNotOccur_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_PercentageOfIncreaseInInternalRateOfReturnInInvestmentInEventRedemptionDoesNotOccur_lbl" xml:lang="en-US"> Percentage of increase in internal rate of return in investment, in event redemption does not occur </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_PercentageOfIncreaseInInternalRateOfReturnInInvestmentInEventRedemptionDoesNotOccur_lbl" xml:lang="en-US"> Percentage Of Increase In Internal Rate Of Return In Investment, In Event Redemption Does Not Occur </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_PercentageOfIncreaseInInternalRateOfReturnInInvestmentInEventRedemptionDoesNotOccur_lbl" xml:lang="en-US"> Percentage of increase in internal rate of return in investment, in event redemption does not occur </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_PercentageOfIncreaseInInternalRateRequiredByInvestorsAtRedemption" xlink:label="chk_PercentageOfIncreaseInInternalRateRequiredByInvestorsAtRedemption"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_PercentageOfIncreaseInInternalRateRequiredByInvestorsAtRedemption" xlink:to="chk_PercentageOfIncreaseInInternalRateRequiredByInvestorsAtRedemption_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_PercentageOfIncreaseInInternalRateRequiredByInvestorsAtRedemption_lbl" xml:lang="en-US"> Percentage of increase in internal rate required by investors at redemption </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_PercentageOfIncreaseInInternalRateRequiredByInvestorsAtRedemption_lbl" xml:lang="en-US"> Percentage Of Increase In Internal Rate Required By Investors At Redemption </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_PercentageOfIncreaseInInternalRateRequiredByInvestorsAtRedemption_lbl" xml:lang="en-US"> Percentage of increase in internal rate required by investors at redemption </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_PercentageOfAdditionalIncreaseInInternalRateRequiredByInvestorsAtRedemptionUponFailedObligations" xlink:label="chk_PercentageOfAdditionalIncreaseInInternalRateRequiredByInvestorsAtRedemptionUponFailedObligations"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_PercentageOfAdditionalIncreaseInInternalRateRequiredByInvestorsAtRedemptionUponFailedObligations" xlink:to="chk_PercentageOfAdditionalIncreaseInInternalRateRequiredByInvestorsAtRedemptionUponFailedObligations_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_PercentageOfAdditionalIncreaseInInternalRateRequiredByInvestorsAtRedemptionUponFailedObligations_lbl" xml:lang="en-US"> Percentage of additional increase in internal rate required by investors at redemption upon failed obligations. </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_PercentageOfAdditionalIncreaseInInternalRateRequiredByInvestorsAtRedemptionUponFailedObligations_lbl" xml:lang="en-US"> Percentage Of Additional Increase In Internal Rate Required By Investors At Redemption Upon Failed Obligations </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_PercentageOfAdditionalIncreaseInInternalRateRequiredByInvestorsAtRedemptionUponFailedObligations_lbl" xml:lang="en-US"> Percentage of additional increase in internal rate required by investors at redemption upon failed obligations </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_PercentageOfIncreaseInLeaseholdInWhichCommitmentToDrillIsNotMet" xlink:label="chk_PercentageOfIncreaseInLeaseholdInWhichCommitmentToDrillIsNotMet"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_PercentageOfIncreaseInLeaseholdInWhichCommitmentToDrillIsNotMet" xlink:to="chk_PercentageOfIncreaseInLeaseholdInWhichCommitmentToDrillIsNotMet_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_PercentageOfIncreaseInLeaseholdInWhichCommitmentToDrillIsNotMet_lbl" xml:lang="en-US"> Percentage of increase in leasehold in which commitment to drill is not met </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_PercentageOfIncreaseInLeaseholdInWhichCommitmentToDrillIsNotMet_lbl" xml:lang="en-US"> Percentage Of Increase In Leasehold In Which Commitment To Drill Is Not Met </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_PercentageOfIncreaseInLeaseholdInWhichCommitmentToDrillIsNotMet_lbl" xml:lang="en-US"> Percentage of increase in leasehold in which commitment to drill is not met </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_NumberOfUnitsIncludedInBeneficialInterests" xlink:label="chk_NumberOfUnitsIncludedInBeneficialInterests"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_NumberOfUnitsIncludedInBeneficialInterests" xlink:to="chk_NumberOfUnitsIncludedInBeneficialInterests_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_NumberOfUnitsIncludedInBeneficialInterests_lbl" xml:lang="en-US"> Number Of Units Included In Beneficial Interests </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_NumberOfUnitsIncludedInBeneficialInterests_lbl" xml:lang="en-US"> Number Of Units Included In Beneficial Interests </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_NumberOfUnitsIncludedInBeneficialInterests_lbl" xml:lang="en-US"> Number of units included in beneficial interests </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommonStockSharesOutstanding" xlink:label="us-gaap_CommonStockSharesOutstanding"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockSharesOutstanding" xlink:to="us-gaap_CommonStockSharesOutstanding_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl" xml:lang="en-US"> Common Stock, Shares, Outstanding </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl" xml:lang="en-US"> Shares issued and outstanding at September 30 </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl" xml:lang="en-US"> Shares issued and outstanding at January 1 </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl" xml:lang="en-US"> Common shares, outstanding </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_PercentageOfProceedsFromRoyaltyInterestConveyedToTrust" xlink:label="chk_PercentageOfProceedsFromRoyaltyInterestConveyedToTrust"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_PercentageOfProceedsFromRoyaltyInterestConveyedToTrust" xlink:to="chk_PercentageOfProceedsFromRoyaltyInterestConveyedToTrust_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_PercentageOfProceedsFromRoyaltyInterestConveyedToTrust_lbl" xml:lang="en-US"> Percentage Of Proceeds From Royalty Interest Conveyed To Trust </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_PercentageOfProceedsFromRoyaltyInterestConveyedToTrust_lbl" xml:lang="en-US"> Percentage Of Proceeds From Royalty Interest Conveyed To Trust </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_PercentageOfProceedsFromRoyaltyInterestConveyedToTrust_lbl" xml:lang="en-US"> Percentage of proceeds from royalty interest conveyed to trust </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProductiveOilWellsNumberOfWellsGross" xlink:label="us-gaap_ProductiveOilWellsNumberOfWellsGross"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProductiveOilWellsNumberOfWellsGross" xlink:to="us-gaap_ProductiveOilWellsNumberOfWellsGross_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProductiveOilWellsNumberOfWellsGross_lbl" xml:lang="en-US"> Productive Oil Wells, Number of Wells, Gross </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ProductiveOilWellsNumberOfWellsGross_lbl" xml:lang="en-US"> Number of producing wells </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ProductiveOilWellsNumberOfWellsGross_lbl" xml:lang="en-US"> Number of gross wells </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_NumberOfGrossAcres" xlink:label="chk_NumberOfGrossAcres"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_NumberOfGrossAcres" xlink:to="chk_NumberOfGrossAcres_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_NumberOfGrossAcres_lbl" xml:lang="en-US"> Number Of Gross Acres </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_NumberOfGrossAcres_lbl" xml:lang="en-US"> Number Of Gross Acres </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_NumberOfGrossAcres_lbl" xml:lang="en-US"> Number of gross acres </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_NumberOfNetAcres" xlink:label="chk_NumberOfNetAcres"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_NumberOfNetAcres" xlink:to="chk_NumberOfNetAcres_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_NumberOfNetAcres_lbl" xml:lang="en-US"> Number Of Net Acres </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_NumberOfNetAcres_lbl" xml:lang="en-US"> Number Of Net Acres </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_NumberOfNetAcres_lbl" xml:lang="en-US"> Number of net acres </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_MaximumAmountRecoverableByTrustUnderLien" xlink:label="chk_MaximumAmountRecoverableByTrustUnderLien"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_MaximumAmountRecoverableByTrustUnderLien" xlink:to="chk_MaximumAmountRecoverableByTrustUnderLien_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_MaximumAmountRecoverableByTrustUnderLien_lbl" xml:lang="en-US"> Maximum Amount Recoverable By Trust Under Lien </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_MaximumAmountRecoverableByTrustUnderLien_lbl" xml:lang="en-US"> Maximum Amount Recoverable By Trust Under Lien </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_MaximumAmountRecoverableByTrustUnderLien_lbl" xml:lang="en-US"> Maximum amount recoverable by trust under lien </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_ExistingWellsWithinAreaOfMutualInterest" xlink:label="chk_ExistingWellsWithinAreaOfMutualInterest"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_ExistingWellsWithinAreaOfMutualInterest" xlink:to="chk_ExistingWellsWithinAreaOfMutualInterest_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_ExistingWellsWithinAreaOfMutualInterest_lbl" xml:lang="en-US"> Existing wells within an area of mutual interest </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_ExistingWellsWithinAreaOfMutualInterest_lbl" xml:lang="en-US"> Existing wells within an area of mutual interest </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_AmountReservedForPayingDividends" xlink:label="chk_AmountReservedForPayingDividends"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_AmountReservedForPayingDividends" xlink:to="chk_AmountReservedForPayingDividends_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_AmountReservedForPayingDividends_lbl" xml:lang="en-US"> Amount reserved for paying dividends </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_AmountReservedForPayingDividends_lbl" xml:lang="en-US"> Amount reserved for paying dividends </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_CashDistributionDeclaredByTrustPerUnit" xlink:label="chk_CashDistributionDeclaredByTrustPerUnit"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_CashDistributionDeclaredByTrustPerUnit" xlink:to="chk_CashDistributionDeclaredByTrustPerUnit_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_CashDistributionDeclaredByTrustPerUnit_lbl" xml:lang="en-US"> Cash distribution declared by trust, per unit </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_CashDistributionDeclaredByTrustPerUnit_lbl" xml:lang="en-US"> Cash distribution declared by trust, per unit </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_CashDistributionDeclaredByTrust" xlink:label="chk_CashDistributionDeclaredByTrust"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_CashDistributionDeclaredByTrust" xlink:to="chk_CashDistributionDeclaredByTrust_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_CashDistributionDeclaredByTrust_lbl" xml:lang="en-US"> Cash distribution declared by trust </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_CashDistributionDeclaredByTrust_lbl" xml:lang="en-US"> Cash distribution declared by trust </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_CashDistributionByTrustAttributableToParent" xlink:label="chk_CashDistributionByTrustAttributableToParent"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_CashDistributionByTrustAttributableToParent" xlink:to="chk_CashDistributionByTrustAttributableToParent_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_CashDistributionByTrustAttributableToParent_lbl" xml:lang="en-US"> Cash distribution by trust attributable to parent </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_CashDistributionByTrustAttributableToParent_lbl" xml:lang="en-US"> Cash distribution by trust attributable to parent </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeLossAttributableToNoncontrollingInterest" xlink:label="us-gaap_IncomeLossAttributableToNoncontrollingInterest"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeLossAttributableToNoncontrollingInterest" xlink:to="us-gaap_IncomeLossAttributableToNoncontrollingInterest_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeLossAttributableToNoncontrollingInterest_lbl" xml:lang="en-US"> Income (Loss) Attributable to Noncontrolling Interest </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_IncomeLossAttributableToNoncontrollingInterest_lbl" xml:lang="en-US"> Income attributable to the trust's noncontrolling interests </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_IncentiveDistributionDescription" xlink:label="chk_IncentiveDistributionDescription"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_IncentiveDistributionDescription" xlink:to="chk_IncentiveDistributionDescription_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_IncentiveDistributionDescription_lbl" xml:lang="en-US"> Incentive Distribution Description </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_IncentiveDistributionDescription_lbl" xml:lang="en-US"> Incentive Distribution Description </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_IncentiveDistributionDescription_lbl" xml:lang="en-US"> Incentive distribution description </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_MembershipsInExchangesOwned" xlink:label="us-gaap_MembershipsInExchangesOwned"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MembershipsInExchangesOwned" xlink:to="us-gaap_MembershipsInExchangesOwned_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_MembershipsInExchangesOwned_lbl" xml:lang="en-US"> Memberships in Exchanges Owned </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_MembershipsInExchangesOwned_lbl" xml:lang="en-US"> Amount of exchange contribution </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners" xlink:label="us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners" xlink:to="us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners_lbl" xml:lang="en-US"> Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/netLabel" xlink:label="us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners_lbl" xml:lang="en-US"> Equity interest </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners_lbl" xml:lang="en-US"> Equity Interest </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners_lbl" xml:lang="en-US"> Percentage of outstanding membership units </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromContributionsFromAffiliates" xlink:label="us-gaap_ProceedsFromContributionsFromAffiliates"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromContributionsFromAffiliates" xlink:to="us-gaap_ProceedsFromContributionsFromAffiliates_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProceedsFromContributionsFromAffiliates_lbl" xml:lang="en-US"> Proceeds from Contributions from Affiliates </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ProceedsFromContributionsFromAffiliates_lbl" xml:lang="en-US"> Proceeds from affiliates </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_PercentageOfIncentiveDistributionsReceived" xlink:label="chk_PercentageOfIncentiveDistributionsReceived"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_PercentageOfIncentiveDistributionsReceived" xlink:to="chk_PercentageOfIncentiveDistributionsReceived_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_PercentageOfIncentiveDistributionsReceived_lbl" xml:lang="en-US"> Percentage of incentive distributions received </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_PercentageOfIncentiveDistributionsReceived_lbl" xml:lang="en-US"> Percentage Of Incentive Distributions Received </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_PercentageOfIncentiveDistributionsReceived_lbl" xml:lang="en-US"> Percentage of incentive distributions received </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_PercentageOfRemainingCashAvailableForDistributionInExcessOfIncentiveThreshold" xlink:label="chk_PercentageOfRemainingCashAvailableForDistributionInExcessOfIncentiveThreshold"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_PercentageOfRemainingCashAvailableForDistributionInExcessOfIncentiveThreshold" xlink:to="chk_PercentageOfRemainingCashAvailableForDistributionInExcessOfIncentiveThreshold_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_PercentageOfRemainingCashAvailableForDistributionInExcessOfIncentiveThreshold_lbl" xml:lang="en-US"> Percentage of remaining cash available for distribution in excess of the incentive threshold </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_PercentageOfRemainingCashAvailableForDistributionInExcessOfIncentiveThreshold_lbl" xml:lang="en-US"> Percentage Of Remaining Cash Available For Distribution In Excess Of The Incentive Threshold </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_PercentageOfRemainingCashAvailableForDistributionInExcessOfIncentiveThreshold_lbl" xml:lang="en-US"> Percentage of remaining cash available for distribution in excess of the incentive threshold </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised" xlink:label="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised" xlink:to="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_lbl" xml:lang="en-US"> Stock option exercises </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_lbl" xml:lang="en-US"> Exercised </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_lbl" xml:lang="en-US"> Exercised </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_FivePointSevenFivePercentageCumulativeConvertiblePreferredStockMember" xlink:label="chk_FivePointSevenFivePercentageCumulativeConvertiblePreferredStockMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_FivePointSevenFivePercentageCumulativeConvertiblePreferredStockMember" xlink:to="chk_FivePointSevenFivePercentageCumulativeConvertiblePreferredStockMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_FivePointSevenFivePercentageCumulativeConvertiblePreferredStockMember_lbl" xml:lang="en-US"> Five Point Seven Five Percentage Cumulative Convertible Preferred Stock [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_FivePointSevenFivePercentageCumulativeConvertiblePreferredStockMember_lbl" xml:lang="en-US"> Five Point Seven Five Percentage Cumulative Convertible Preferred Stock [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_FivePointSevenFivePercentageCumulativeConvertiblePreferredStockMember_lbl" xml:lang="en-US"> 5.75% Cumulative Convertible Preferred Stock [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_FivePointSevenFivePercentageCumulativeConvertiblePreferredStockSeriesMember" xlink:label="chk_FivePointSevenFivePercentageCumulativeConvertiblePreferredStockSeriesMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_FivePointSevenFivePercentageCumulativeConvertiblePreferredStockSeriesMember" xlink:to="chk_FivePointSevenFivePercentageCumulativeConvertiblePreferredStockSeriesMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_FivePointSevenFivePercentageCumulativeConvertiblePreferredStockSeriesMember_lbl" xml:lang="en-US"> Five Point Seven Five Percentage Cumulative Convertible Preferred Stock Series [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_FivePointSevenFivePercentageCumulativeConvertiblePreferredStockSeriesMember_lbl" xml:lang="en-US"> Five Point Seven Five Percentage Cumulative Convertible Preferred Stock Series [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_FivePointSevenFivePercentageCumulativeConvertiblePreferredStockSeriesMember_lbl" xml:lang="en-US"> 5.75% Cumulative Convertible Preferred Stock (Series A) [Member] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ConversionOfStockSharesConverted1" xlink:label="us-gaap_ConversionOfStockSharesConverted1"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ConversionOfStockSharesConverted1" xlink:to="us-gaap_ConversionOfStockSharesConverted1_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ConversionOfStockSharesConverted1_lbl" xml:lang="en-US"> Conversion of Stock, Shares Converted 1 </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_ConversionOfStockSharesConverted1_lbl" xml:lang="en-US"> Conversion/exchange of preferred for common stock </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_ConversionOfStockSharesConverted1_lbl" xml:lang="en-US"> Shares outstanding ending balance </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_ConversionOfStockSharesConverted1_lbl" xml:lang="en-US"> Shares outstanding beginning balance </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ConversionOfStockSharesConverted1_lbl" xml:lang="en-US"> Shares outstanding at January 1, 2010 and March 31, 2010 </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ConversionOfStockSharesConverted1_lbl" xml:lang="en-US"> Shares outstanding </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount" xlink:to="us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount_lbl" xml:lang="en-US"> Natural gas and oil properties </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_ShareBasedCompensationGeneralAndAdministrativeExpense" xlink:label="chk_ShareBasedCompensationGeneralAndAdministrativeExpense"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_ShareBasedCompensationGeneralAndAdministrativeExpense" xlink:to="chk_ShareBasedCompensationGeneralAndAdministrativeExpense_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_ShareBasedCompensationGeneralAndAdministrativeExpense_lbl" xml:lang="en-US"> Share Based Compensation Allocated to General And Administrative Expense </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_ShareBasedCompensationGeneralAndAdministrativeExpense_lbl" xml:lang="en-US"> Share Based Compensation General And Administrative Expense </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="chk_ShareBasedCompensationGeneralAndAdministrativeExpense_lbl" xml:lang="en-US"> General and administrative expenses </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_ShareBasedCompensationNaturalGasAndOilProductionExpenses" xlink:label="chk_ShareBasedCompensationNaturalGasAndOilProductionExpenses"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_ShareBasedCompensationNaturalGasAndOilProductionExpenses" xlink:to="chk_ShareBasedCompensationNaturalGasAndOilProductionExpenses_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_ShareBasedCompensationNaturalGasAndOilProductionExpenses_lbl" xml:lang="en-US"> Share Based Compensation, Natural Gas And Oil Production Expenses </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_ShareBasedCompensationNaturalGasAndOilProductionExpenses_lbl" xml:lang="en-US"> Share Based Compensation, Natural Gas And Oil Production Expenses </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_ShareBasedCompensationNaturalGasAndOilProductionExpenses_lbl" xml:lang="en-US"> Natural gas and oil production expenses </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_ShareBasedCompensationAllocatedToMarketingGatheringAndCompressionExpense" xlink:label="chk_ShareBasedCompensationAllocatedToMarketingGatheringAndCompressionExpense"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_ShareBasedCompensationAllocatedToMarketingGatheringAndCompressionExpense" xlink:to="chk_ShareBasedCompensationAllocatedToMarketingGatheringAndCompressionExpense_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_ShareBasedCompensationAllocatedToMarketingGatheringAndCompressionExpense_lbl" xml:lang="en-US"> Share based Compensation Allocated to Marketing, Gathering and Compression Expense </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_ShareBasedCompensationAllocatedToMarketingGatheringAndCompressionExpense_lbl" xml:lang="en-US"> Share based Compensation Allocated to Marketing, Gathering and Compression Expense </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="chk_ShareBasedCompensationAllocatedToMarketingGatheringAndCompressionExpense_lbl" xml:lang="en-US"> Marketing, gathering and compression expenses </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_ShareBasedCompensationServiceOperationsExpense" xlink:label="chk_ShareBasedCompensationServiceOperationsExpense"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_ShareBasedCompensationServiceOperationsExpense" xlink:to="chk_ShareBasedCompensationServiceOperationsExpense_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_ShareBasedCompensationServiceOperationsExpense_lbl" xml:lang="en-US"> Share Based Compensation Allocated to Service Operations Expense </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_ShareBasedCompensationServiceOperationsExpense_lbl" xml:lang="en-US"> Share based Compensation Service Operations Expense </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_ShareBasedCompensationServiceOperationsExpense_lbl" xml:lang="en-US"> Oilfield services expense </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="chk_ShareBasedCompensationServiceOperationsExpense_lbl" xml:lang="en-US"> Service operations expense </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpense" xlink:label="us-gaap_AllocatedShareBasedCompensationExpense"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AllocatedShareBasedCompensationExpense" xlink:to="us-gaap_AllocatedShareBasedCompensationExpense_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AllocatedShareBasedCompensationExpense_lbl" xml:lang="en-US"> Allocated Share-based Compensation Expense </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AllocatedShareBasedCompensationExpense_lbl" xml:lang="en-US"> Allocated share-based compensation </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_AllocatedShareBasedCompensationExpense_lbl" xml:lang="en-US"> Total </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_lbl" xml:lang="en-US"> Number Of Unvested Restricted Shares </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_lbl" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_lbl" xml:lang="en-US"> Unvested shares as of March 31, 2012 </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_lbl" xml:lang="en-US"> Unvested shares as of January 1, 2012 </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_lbl" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_lbl" xml:lang="en-US"> Granted </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_lbl" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_lbl" xml:lang="en-US"> Vested </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_lbl" xml:lang="en-US"> Vested </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_lbl" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_lbl" xml:lang="en-US"> Forfeited </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_lbl" xml:lang="en-US"> Forfeited/canceled </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_lbl" xml:lang="en-US"> Forfeited </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalDisclosuresAbstract" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalDisclosuresAbstract"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalDisclosuresAbstract" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalDisclosuresAbstract_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalDisclosuresAbstract_lbl" xml:lang="en-US"> Weighted Average Grant-Date Fair Value </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_lbl" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_lbl" xml:lang="en-US"> Unvested shares as of March 31, 2012 </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_lbl" xml:lang="en-US"> Unvested shares as of January 1, 2012 </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_lbl" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_lbl" xml:lang="en-US"> Granted </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_lbl" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_lbl" xml:lang="en-US"> Vested </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriodWeightedAverageGrantDateFairValue" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriodWeightedAverageGrantDateFairValue"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriodWeightedAverageGrantDateFairValue" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriodWeightedAverageGrantDateFairValue_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriodWeightedAverageGrantDateFairValue_lbl" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period, Weighted Average Grant Date Fair Value </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriodWeightedAverageGrantDateFairValue_lbl" xml:lang="en-US"> Forfeited </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_lbl" xml:lang="en-US"> Number Of Shares Underlying Options </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_lbl" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_lbl" xml:lang="en-US"> Outstanding and exercisable at end of period </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_lbl" xml:lang="en-US"> Outstanding at beginning of period </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_lbl" xml:lang="en-US"> Restricted shares, net of forfeitures, shares </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesUnderlyingOptionsExercisedInPeriod" xlink:label="chk_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesUnderlyingOptionsExercisedInPeriod"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesUnderlyingOptionsExercisedInPeriod" xlink:to="chk_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesUnderlyingOptionsExercisedInPeriod_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesUnderlyingOptionsExercisedInPeriod_lbl" xml:lang="en-US"> Share Based Compensation Arrangement By Share Based Payment Award Shares Underlying Options Exercised In Period </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesUnderlyingOptionsExercisedInPeriod_lbl" xml:lang="en-US"> Share Based Compensation Arrangement By Share Based Payment Award Shares Underlying Options Exercised In Period </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="chk_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesUnderlyingOptionsExercisedInPeriod_lbl" xml:lang="en-US"> Exercised </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesUnderlyingOptionsExercisedInPeriod_lbl" xml:lang="en-US"> Exercised </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_lbl" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_lbl" xml:lang="en-US"> Outstanding and exercisable at end of period </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_lbl" xml:lang="en-US"> Outstanding at January 1, 2011 </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_lbl" xml:lang="en-US"> Outstanding and exercisable at September 30, 2011 </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract_lbl" xml:lang="en-US"> Weighted Average Exercise Price Per Share </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_lbl" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_lbl" xml:lang="en-US"> Outstanding and exercisable at end of period </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_lbl" xml:lang="en-US"> Outstanding at beginning of period </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_lbl" xml:lang="en-US"> Weighted-Average. Exercise Price </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_lbl" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_lbl" xml:lang="en-US"> Exercised </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_lbl" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_lbl" xml:lang="en-US"> Outstanding and exercisable at end of period </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_lbl" xml:lang="en-US"> Exercisable at December 31 </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_WeightedAverageContractLifeInYearsAbstract" xlink:label="chk_WeightedAverageContractLifeInYearsAbstract"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_WeightedAverageContractLifeInYearsAbstract" xlink:to="chk_WeightedAverageContractLifeInYearsAbstract_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_WeightedAverageContractLifeInYearsAbstract_lbl" xml:lang="en-US"> Weighted Average Contract Life In Years [Abstract] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_WeightedAverageContractLifeInYearsAbstract_lbl" xml:lang="en-US"> Weighted Average Contract Life In Years [Abstract] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="chk_WeightedAverageContractLifeInYearsAbstract_lbl" xml:lang="en-US"> Weighted Average Contract Life in Years </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm_lbl" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm_lbl" xml:lang="en-US"> Outstanding and exercisable at end of period </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm_lbl" xml:lang="en-US"> Outstanding at beginning of period </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm_lbl" xml:lang="en-US"> Outstanding and exercisable at end of period </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm_lbl" xml:lang="en-US"> Exercisable at end of period </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_AggregateIntrinsicValueAbstract" xlink:label="chk_AggregateIntrinsicValueAbstract"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_AggregateIntrinsicValueAbstract" xlink:to="chk_AggregateIntrinsicValueAbstract_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_AggregateIntrinsicValueAbstract_lbl" xml:lang="en-US"> Aggregate Intrinsic Value [Abstract] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_AggregateIntrinsicValueAbstract_lbl" xml:lang="en-US"> Aggregate Intrinsic Value Abstract </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="chk_AggregateIntrinsicValueAbstract_lbl" xml:lang="en-US"> Aggregate Intrinsic Value </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_lbl" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_lbl" xml:lang="en-US"> Outstanding and exercisable at end of period </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_lbl" xml:lang="en-US"> Outstanding at beginning of period </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_lbl" xml:lang="en-US"> Outstanding and exercisable at end of period </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeTable" xlink:label="us-gaap_DerivativeTable"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeTable" xlink:to="us-gaap_DerivativeTable_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DerivativeTable_lbl" xml:lang="en-US"> Derivative [Table] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_MultiplierToCoverFairValueDescriptionAxis" xlink:label="chk_MultiplierToCoverFairValueDescriptionAxis"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_MultiplierToCoverFairValueDescriptionAxis" xlink:to="chk_MultiplierToCoverFairValueDescriptionAxis_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_MultiplierToCoverFairValueDescriptionAxis_lbl" xml:lang="en-US"> Multiplier To Cover Fair Value Description [Axis] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_MultiplierToCoverFairValueDescriptionAxis_lbl" xml:lang="en-US"> Multiplier To Cover Fair Value Description [Axis] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_MultiplierToCoverFairValueDescriptionDomain" xlink:label="chk_MultiplierToCoverFairValueDescriptionDomain"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_MultiplierToCoverFairValueDescriptionDomain" xlink:to="chk_MultiplierToCoverFairValueDescriptionDomain_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_MultiplierToCoverFairValueDescriptionDomain_lbl" xml:lang="en-US"> Multiplier To Cover Fair Value Description [Domain] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_MultiplierToCoverFairValueDescriptionDomain_lbl" xml:lang="en-US"> Multiplier To Cover Fair Value Description [Domain] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_MultiplierToCoverFairValueDescriptionDomain_lbl" xml:lang="en-US"> Multiplier To Cover Fair Value Description [Domain] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_SemiAnnualCollateralDatesMember" xlink:label="chk_SemiAnnualCollateralDatesMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_SemiAnnualCollateralDatesMember" xlink:to="chk_SemiAnnualCollateralDatesMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_SemiAnnualCollateralDatesMember_lbl" xml:lang="en-US"> Semi-Annual Collateral Dates [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_SemiAnnualCollateralDatesMember_lbl" xml:lang="en-US"> Semi Annual Collateral Dates [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_SemiAnnualCollateralDatesMember_lbl" xml:lang="en-US"> Semi-Annual Collateral Dates [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_BetweenSemiAnnualCollateralDatesMember" xlink:label="chk_BetweenSemiAnnualCollateralDatesMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_BetweenSemiAnnualCollateralDatesMember" xlink:to="chk_BetweenSemiAnnualCollateralDatesMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_BetweenSemiAnnualCollateralDatesMember_lbl" xml:lang="en-US"> Between Semi-Annual Collateral Dates [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_BetweenSemiAnnualCollateralDatesMember_lbl" xml:lang="en-US"> Between Semi Annual Collateral Dates [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_BetweenSemiAnnualCollateralDatesMember_lbl" xml:lang="en-US"> Between Semi-Annual Collateral Dates [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_GainLossRecognizedInNetIncomeLossForInstrumentsDesignationAxis" xlink:label="chk_GainLossRecognizedInNetIncomeLossForInstrumentsDesignationAxis"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_GainLossRecognizedInNetIncomeLossForInstrumentsDesignationAxis" xlink:to="chk_GainLossRecognizedInNetIncomeLossForInstrumentsDesignationAxis_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_GainLossRecognizedInNetIncomeLossForInstrumentsDesignationAxis_lbl" xml:lang="en-US"> Gain Loss Recognized in Net Income Loss for Instruments Designation [Axis] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_GainLossRecognizedInNetIncomeLossForInstrumentsDesignationAxis_lbl" xml:lang="en-US"> Gain Loss Recognized in Net Income Loss for Instruments Designation [Axis] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_GainLossRecognizedInNetIncomeLossForInstrumentsDesignationDomain" xlink:label="chk_GainLossRecognizedInNetIncomeLossForInstrumentsDesignationDomain"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_GainLossRecognizedInNetIncomeLossForInstrumentsDesignationDomain" xlink:to="chk_GainLossRecognizedInNetIncomeLossForInstrumentsDesignationDomain_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_GainLossRecognizedInNetIncomeLossForInstrumentsDesignationDomain_lbl" xml:lang="en-US"> Gain Loss Recognized in Net Income Loss for Instruments Designation [Domain] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_GainLossRecognizedInNetIncomeLossForInstrumentsDesignationDomain_lbl" xml:lang="en-US"> Gain Loss Recognized In Net Income Loss For Instruments Designation [Domain] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_GainLossRecognizedInNetIncomeLossForInstrumentsDesignationDomain_lbl" xml:lang="en-US"> Gain Loss Recognized in Net Income Loss for Instruments Designation [Domain] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_FairValueDerivativesMember" xlink:label="chk_FairValueDerivativesMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_FairValueDerivativesMember" xlink:to="chk_FairValueDerivativesMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_FairValueDerivativesMember_lbl" xml:lang="en-US"> Fair Value Derivatives [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_FairValueDerivativesMember_lbl" xml:lang="en-US"> Fair Value Derivatives [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_FairValueDerivativesMember_lbl" xml:lang="en-US"> Fair Value Derivatives [Member] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="us-gaap_DerivativeInstrumentRiskAxis"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeInstrumentRiskAxis" xlink:to="us-gaap_DerivativeInstrumentRiskAxis_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DerivativeInstrumentRiskAxis_lbl" xml:lang="en-US"> Derivative Instruments, Gain (Loss) by Derivative Instrument Risk [Axis] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="us-gaap_DerivativeContractTypeDomain"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeContractTypeDomain" xlink:to="us-gaap_DerivativeContractTypeDomain_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DerivativeContractTypeDomain_lbl" xml:lang="en-US"> Derivative Contract Type [Domain] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DerivativeContractTypeDomain_lbl" xml:lang="en-US"> Derivative Contract Type [Domain] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossByIncomeStatementLocationAxis" xlink:label="us-gaap_DerivativeInstrumentsGainLossByIncomeStatementLocationAxis"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeInstrumentsGainLossByIncomeStatementLocationAxis" xlink:to="us-gaap_DerivativeInstrumentsGainLossByIncomeStatementLocationAxis_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DerivativeInstrumentsGainLossByIncomeStatementLocationAxis_lbl" xml:lang="en-US"> Derivative Instruments, Gain (Loss) by Income Statement Location [Axis] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeStatementAndOtherComprehensiveIncomeLocationDomain" xlink:label="us-gaap_IncomeStatementAndOtherComprehensiveIncomeLocationDomain"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeStatementAndOtherComprehensiveIncomeLocationDomain" xlink:to="us-gaap_IncomeStatementAndOtherComprehensiveIncomeLocationDomain_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeStatementAndOtherComprehensiveIncomeLocationDomain_lbl" xml:lang="en-US"> Income Statement And Other Comprehensive Income Location [Domain] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_IncomeStatementAndOtherComprehensiveIncomeLocationDomain_lbl" xml:lang="en-US"> Income Statement and Other Comprehensive Income Location [Domain] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InterestExpenseMember" xlink:label="us-gaap_InterestExpenseMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestExpenseMember" xlink:to="us-gaap_InterestExpenseMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InterestExpenseMember_lbl" xml:lang="en-US"> Interest Expense [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_InterestExpenseMember_lbl" xml:lang="en-US"> Interest Expense [Member] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScenarioForecastMember" xlink:label="us-gaap_ScenarioForecastMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScenarioForecastMember" xlink:to="us-gaap_ScenarioForecastMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScenarioForecastMember_lbl" xml:lang="en-US"> Scenario Forecast [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ScenarioForecastMember_lbl" xml:lang="en-US"> Scenario, Forecast [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_DerivativesByDerivativeInstrumentContractAxis" xlink:label="chk_DerivativesByDerivativeInstrumentContractAxis"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_DerivativesByDerivativeInstrumentContractAxis" xlink:to="chk_DerivativesByDerivativeInstrumentContractAxis_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_DerivativesByDerivativeInstrumentContractAxis_lbl" xml:lang="en-US"> Derivatives, by Derivative Instrument Contract [Axis] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_DerivativesByDerivativeInstrumentContractAxis_lbl" xml:lang="en-US"> Derivatives, by Derivative Instrument Contract [Axis] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_DerivativesByDerivativeInstrumentContractDomain" xlink:label="chk_DerivativesByDerivativeInstrumentContractDomain"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_DerivativesByDerivativeInstrumentContractDomain" xlink:to="chk_DerivativesByDerivativeInstrumentContractDomain_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_DerivativesByDerivativeInstrumentContractDomain_lbl" xml:lang="en-US"> Derivatives, by Derivative Instrument Contract [Domain] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_DerivativesByDerivativeInstrumentContractDomain_lbl" xml:lang="en-US"> Derivatives By Derivative Instrument Contract [Domain] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_DerivativesByDerivativeInstrumentContractDomain_lbl" xml:lang="en-US"> Derivatives, by Derivative Instrument Contract [Domain] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_MultiCounterpartyHedgeFacilityMember" xlink:label="chk_MultiCounterpartyHedgeFacilityMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_MultiCounterpartyHedgeFacilityMember" xlink:to="chk_MultiCounterpartyHedgeFacilityMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_MultiCounterpartyHedgeFacilityMember_lbl" xml:lang="en-US"> Multi Counterparty Hedge Facility </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_MultiCounterpartyHedgeFacilityMember_lbl" xml:lang="en-US"> Multi Counterparty Hedge Facility [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_MultiCounterpartyHedgeFacilityMember_lbl" xml:lang="en-US"> Multi-Counterparty Hedging Facility [Member] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeByNatureAxis" xlink:label="us-gaap_DerivativeByNatureAxis"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeByNatureAxis" xlink:to="us-gaap_DerivativeByNatureAxis_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DerivativeByNatureAxis_lbl" xml:lang="en-US"> Derivative, by Nature [Axis] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeNameDomain" xlink:label="us-gaap_DerivativeNameDomain"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeNameDomain" xlink:to="us-gaap_DerivativeNameDomain_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DerivativeNameDomain_lbl" xml:lang="en-US"> Derivative Name [Domain] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DerivativeNameDomain_lbl" xml:lang="en-US"> Derivative, Name [Domain] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CrossCurrencyInterestRateContractMember" xlink:label="us-gaap_CrossCurrencyInterestRateContractMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CrossCurrencyInterestRateContractMember" xlink:to="us-gaap_CrossCurrencyInterestRateContractMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CrossCurrencyInterestRateContractMember_lbl" xml:lang="en-US"> Cross Currency Interest Rate Contract [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CrossCurrencyInterestRateContractMember_lbl" xml:lang="en-US"> Cross Currency Interest Rate Contract [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_PriceDerivativeMember" xlink:label="chk_PriceDerivativeMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_PriceDerivativeMember" xlink:to="chk_PriceDerivativeMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_PriceDerivativeMember_lbl" xml:lang="en-US"> Price Derivative [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_PriceDerivativeMember_lbl" xml:lang="en-US"> Price Derivative [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_PriceDerivativeMember_lbl" xml:lang="en-US"> Price Derivatives [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_BasisDerivativeMember" xlink:label="chk_BasisDerivativeMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_BasisDerivativeMember" xlink:to="chk_BasisDerivativeMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_BasisDerivativeMember_lbl" xml:lang="en-US"> Basis Derivative [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_BasisDerivativeMember_lbl" xml:lang="en-US"> Basis Derivative [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_BasisDerivativeMember_lbl" xml:lang="en-US"> Basis Derivatives [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_EuroDenominatedSeniorNotesMember" xlink:label="chk_EuroDenominatedSeniorNotesMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_EuroDenominatedSeniorNotesMember" xlink:to="chk_EuroDenominatedSeniorNotesMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_EuroDenominatedSeniorNotesMember_lbl" xml:lang="en-US"> Euro Denominated Senior Notes [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_EuroDenominatedSeniorNotesMember_lbl" xml:lang="en-US"> Euro Denominated Senior Notes [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_EuroDenominatedSeniorNotesMember_lbl" xml:lang="en-US"> Euro-Denominated Senior Notes [Member] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeLineItems" xlink:label="us-gaap_DerivativeLineItems"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeLineItems" xlink:to="us-gaap_DerivativeLineItems_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DerivativeLineItems_lbl" xml:lang="en-US"> Derivative [Line Items] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PriceRiskCashFlowHedgeUnrealizedGainLossToBeReclassifiedDuringNext12Months" xlink:label="us-gaap_PriceRiskCashFlowHedgeUnrealizedGainLossToBeReclassifiedDuringNext12Months"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PriceRiskCashFlowHedgeUnrealizedGainLossToBeReclassifiedDuringNext12Months" xlink:to="us-gaap_PriceRiskCashFlowHedgeUnrealizedGainLossToBeReclassifiedDuringNext12Months_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PriceRiskCashFlowHedgeUnrealizedGainLossToBeReclassifiedDuringNext12Months_lbl" xml:lang="en-US"> Expected amount (net of income taxes) to be transferred of the loss included in the balance in accumulated other comprehensive income to net income (loss) during the next 12 months </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PriceRiskCashFlowHedgeUnrealizedGainLossToBeReclassifiedDuringNext12Months_lbl" xml:lang="en-US"> Expected amount to be transferred of during the next 12 months </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_NumberOfCounterparties" xlink:label="chk_NumberOfCounterparties"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_NumberOfCounterparties" xlink:to="chk_NumberOfCounterparties_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_NumberOfCounterparties_lbl" xml:lang="en-US"> Number of Counterparties </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_NumberOfCounterparties_lbl" xml:lang="en-US"> Number of Counterparties </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_NumberOfCounterparties_lbl" xml:lang="en-US"> Number of counterparties in hedge facility </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_MaximumVolumeAvailableToHedgeUnderHedgeFacility" xlink:label="chk_MaximumVolumeAvailableToHedgeUnderHedgeFacility"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_MaximumVolumeAvailableToHedgeUnderHedgeFacility" xlink:to="chk_MaximumVolumeAvailableToHedgeUnderHedgeFacility_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_MaximumVolumeAvailableToHedgeUnderHedgeFacility_lbl" xml:lang="en-US"> Maximum volume available to hedge under the hedge facility. </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_MaximumVolumeAvailableToHedgeUnderHedgeFacility_lbl" xml:lang="en-US"> Maximum Volume Available To Hedge Under Hedge Facility </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_MaximumVolumeAvailableToHedgeUnderHedgeFacility_lbl" xml:lang="en-US"> Multi-counterparty hedging facility, committed to provide a trading capacity (in tcfe) </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_MaximumAmountCapacityToBeHedgedUnderHedgeFacility" xlink:label="chk_MaximumAmountCapacityToBeHedgedUnderHedgeFacility"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_MaximumAmountCapacityToBeHedgedUnderHedgeFacility" xlink:to="chk_MaximumAmountCapacityToBeHedgedUnderHedgeFacility_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_MaximumAmountCapacityToBeHedgedUnderHedgeFacility_lbl" xml:lang="en-US"> Maximum $ capacity that can be hedged under the hedge facility. </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_MaximumAmountCapacityToBeHedgedUnderHedgeFacility_lbl" xml:lang="en-US"> Maximum Amount Capacity To Be Hedged Under Hedge Facility </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_MaximumAmountCapacityToBeHedgedUnderHedgeFacility_lbl" xml:lang="en-US"> Multi-counterparty hedge facility, committed to provide an aggregate mark-to-market capacity </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_VolumeOfHedgeFacilityCurrentlyUtilized" xlink:label="chk_VolumeOfHedgeFacilityCurrentlyUtilized"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_VolumeOfHedgeFacilityCurrentlyUtilized" xlink:to="chk_VolumeOfHedgeFacilityCurrentlyUtilized_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_VolumeOfHedgeFacilityCurrentlyUtilized_lbl" xml:lang="en-US"> Current volume of hedge facility being utilized. </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_VolumeOfHedgeFacilityCurrentlyUtilized_lbl" xml:lang="en-US"> Volume Of Hedge Facility Currently Utilized </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_VolumeOfHedgeFacilityCurrentlyUtilized_lbl" xml:lang="en-US"> Multi-counterparty hedge facility, hedged total (in tcfe) </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_NaturalGasAndOilProvedReservesMultiplierToCoverFairValueOfTransactionsOutstanding" xlink:label="chk_NaturalGasAndOilProvedReservesMultiplierToCoverFairValueOfTransactionsOutstanding"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_NaturalGasAndOilProvedReservesMultiplierToCoverFairValueOfTransactionsOutstanding" xlink:to="chk_NaturalGasAndOilProvedReservesMultiplierToCoverFairValueOfTransactionsOutstanding_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_NaturalGasAndOilProvedReservesMultiplierToCoverFairValueOfTransactionsOutstanding_lbl" xml:lang="en-US"> Natural gas and oil proved reserves multiplier to cover the fair value of the transactions outstanding </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_NaturalGasAndOilProvedReservesMultiplierToCoverFairValueOfTransactionsOutstanding_lbl" xml:lang="en-US"> Natural Gas And Oil Proved Reserves Multiplier To Cover Fair Value Of Transactions Outstanding </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_NaturalGasAndOilProvedReservesMultiplierToCoverFairValueOfTransactionsOutstanding_lbl" xml:lang="en-US"> Natural gas and oil proved reserves, the value of which must cover the fair value of the transactions outstanding under the facility, multiplier </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_TerminatedInterestRateDerivativeTransactionsFutureAmortizedAmount" xlink:label="chk_TerminatedInterestRateDerivativeTransactionsFutureAmortizedAmount"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_TerminatedInterestRateDerivativeTransactionsFutureAmortizedAmount" xlink:to="chk_TerminatedInterestRateDerivativeTransactionsFutureAmortizedAmount_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_TerminatedInterestRateDerivativeTransactionsFutureAmortizedAmount_lbl" xml:lang="en-US"> Gains (losses) on terminated qualifying interest rate derivative transactions as of balance sheet date expected to be amortized to earnings. </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_TerminatedInterestRateDerivativeTransactionsFutureAmortizedAmount_lbl" xml:lang="en-US"> Terminated Interest Rate Derivative Transactions Future Amortized Amount </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_TerminatedInterestRateDerivativeTransactionsFutureAmortizedAmount_lbl" xml:lang="en-US"> Amount realized over the next nine years for gains and losses related to terminated qualifying interest rate derivative transactions are amortized as an adjustment to interest expense </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_DurationTerminatedQualifyingInterestRateDerivativeTransactionsWillRecoginzeGains" xlink:label="chk_DurationTerminatedQualifyingInterestRateDerivativeTransactionsWillRecoginzeGains"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_DurationTerminatedQualifyingInterestRateDerivativeTransactionsWillRecoginzeGains" xlink:to="chk_DurationTerminatedQualifyingInterestRateDerivativeTransactionsWillRecoginzeGains_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_DurationTerminatedQualifyingInterestRateDerivativeTransactionsWillRecoginzeGains_lbl" xml:lang="en-US"> Duration terminated qualifying interest rate derivative transactions will recoginze gains </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_DurationTerminatedQualifyingInterestRateDerivativeTransactionsWillRecoginzeGains_lbl" xml:lang="en-US"> Duration terminated qualifying interest rate derivative transactions will recoginze gains </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_DurationTerminatedQualifyingInterestRateDerivativeTransactionsWillRecoginzeGains_lbl" xml:lang="en-US"> Duration gains will be recognized on terminated qualifying interest rate derivative transactions, years </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentFaceAmount" xlink:label="us-gaap_DebtInstrumentFaceAmount"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentFaceAmount" xlink:to="us-gaap_DebtInstrumentFaceAmount_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtInstrumentFaceAmount_lbl" xml:lang="en-US"> Issued 6.25% Euro-denominated Senior Notes due 2017 </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DebtInstrumentFaceAmount_lbl" xml:lang="en-US"> Principal amount of senior notes </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentIncreaseDecreaseForPeriodNet" xlink:label="us-gaap_DebtInstrumentIncreaseDecreaseForPeriodNet"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentIncreaseDecreaseForPeriodNet" xlink:to="us-gaap_DebtInstrumentIncreaseDecreaseForPeriodNet_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtInstrumentIncreaseDecreaseForPeriodNet_lbl" xml:lang="en-US"> Debt Instrument, Increase (Decrease) for Period, Net </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DebtInstrumentIncreaseDecreaseForPeriodNet_lbl" xml:lang="en-US"> Debt instrument, increase (decrease) for period, net </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_DebtInstrumentReclassificationOfAccumulatedOtherComprehensiveIncome" xlink:label="chk_DebtInstrumentReclassificationOfAccumulatedOtherComprehensiveIncome"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_DebtInstrumentReclassificationOfAccumulatedOtherComprehensiveIncome" xlink:to="chk_DebtInstrumentReclassificationOfAccumulatedOtherComprehensiveIncome_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_DebtInstrumentReclassificationOfAccumulatedOtherComprehensiveIncome_lbl" xml:lang="en-US"> Debt Instrument Reclassification Of Accumulated Other Comprehensive Income </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_DebtInstrumentReclassificationOfAccumulatedOtherComprehensiveIncome_lbl" xml:lang="en-US"> Debt Instrument Reclassification Of Accumulated Other Comprehensive Income </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_DebtInstrumentReclassificationOfAccumulatedOtherComprehensiveIncome_lbl" xml:lang="en-US"> Debt instrument reclassification of accumulated other comprehensive income </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_LossOnRedemptionOfDebt" xlink:label="chk_LossOnRedemptionOfDebt"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_LossOnRedemptionOfDebt" xlink:to="chk_LossOnRedemptionOfDebt_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_LossOnRedemptionOfDebt_lbl" xml:lang="en-US"> Loss On Redemption Of Debt </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_LossOnRedemptionOfDebt_lbl" xml:lang="en-US"> Loss On Redemption Of Debt </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_LossOnRedemptionOfDebt_lbl" xml:lang="en-US"> Loss on redemption of debt </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_LossIncludedInInterestExpense" xlink:label="chk_LossIncludedInInterestExpense"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_LossIncludedInInterestExpense" xlink:to="chk_LossIncludedInInterestExpense_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_LossIncludedInInterestExpense_lbl" xml:lang="en-US"> Loss Included In Interest Expense </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_LossIncludedInInterestExpense_lbl" xml:lang="en-US"> Loss Included In Interest Expense </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_LossIncludedInInterestExpense_lbl" xml:lang="en-US"> Loss included in interest expense </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_SemiAnnualInterestRateSwapProceeds" xlink:label="chk_SemiAnnualInterestRateSwapProceeds"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_SemiAnnualInterestRateSwapProceeds" xlink:to="chk_SemiAnnualInterestRateSwapProceeds_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_SemiAnnualInterestRateSwapProceeds_lbl" xml:lang="en-US"> Semi Annual Interest Rate Swap Proceeds </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_SemiAnnualInterestRateSwapProceeds_lbl" xml:lang="en-US"> Semi Annual Interest Rate Swap Proceeds </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_SemiAnnualInterestRateSwapProceeds_lbl" xml:lang="en-US"> Semi-annual interest rate swaps proceeds </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_SemiAnnualInterestRateSwapPayments" xlink:label="chk_SemiAnnualInterestRateSwapPayments"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_SemiAnnualInterestRateSwapPayments" xlink:to="chk_SemiAnnualInterestRateSwapPayments_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_SemiAnnualInterestRateSwapPayments_lbl" xml:lang="en-US"> Semi Annual Interest Rate Swap Payments </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_SemiAnnualInterestRateSwapPayments_lbl" xml:lang="en-US"> Semi Annual Interest Rate Swap Payments </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_SemiAnnualInterestRateSwapPayments_lbl" xml:lang="en-US"> Semi-annual interest rate swaps payments </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_DollarEquivalentInterestRate" xlink:label="chk_DollarEquivalentInterestRate"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_DollarEquivalentInterestRate" xlink:to="chk_DollarEquivalentInterestRate_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_DollarEquivalentInterestRate_lbl" xml:lang="en-US"> Dollar Equivalent Interest Rate </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_DollarEquivalentInterestRate_lbl" xml:lang="en-US"> Dollar Equivalent Interest Rate </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_DollarEquivalentInterestRate_lbl" xml:lang="en-US"> Dollar-equivalent interest rate </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeDescriptionOfTerms" xlink:label="us-gaap_DerivativeDescriptionOfTerms"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeDescriptionOfTerms" xlink:to="us-gaap_DerivativeDescriptionOfTerms_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DerivativeDescriptionOfTerms_lbl" xml:lang="en-US"> Terms of the cross currency swaps </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_UsToEuroExchangeOnDebtRatio" xlink:label="chk_UsToEuroExchangeOnDebtRatio"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_UsToEuroExchangeOnDebtRatio" xlink:to="chk_UsToEuroExchangeOnDebtRatio_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_UsToEuroExchangeOnDebtRatio_lbl" xml:lang="en-US"> US To Euro Exchange On Debt Ratio </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_UsToEuroExchangeOnDebtRatio_lbl" xml:lang="en-US"> US To Euro Exchange On Debt Ratio </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeFairValueOfDerivativeLiability" xlink:label="us-gaap_DerivativeFairValueOfDerivativeLiability"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeFairValueOfDerivativeLiability" xlink:to="us-gaap_DerivativeFairValueOfDerivativeLiability_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DerivativeFairValueOfDerivativeLiability_lbl" xml:lang="en-US"> Fair value of the cross currency swap liability </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_DerivativeFairValueOfDerivativeLiability_lbl" xml:lang="en-US"> Liability commodity contracts (hedging instrument) </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_DerivativeFairValueOfDerivativeLiability_lbl" xml:lang="en-US"> Derivative Liability, Fair Value, Total </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_DerivativeInstrumentMaximumEffectiveness" xlink:label="chk_DerivativeInstrumentMaximumEffectiveness"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_DerivativeInstrumentMaximumEffectiveness" xlink:to="chk_DerivativeInstrumentMaximumEffectiveness_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_DerivativeInstrumentMaximumEffectiveness_lbl" xml:lang="en-US"> Derivative instrument maximum effectiveness </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_DerivativeInstrumentMaximumEffectiveness_lbl" xml:lang="en-US"> Derivative Instrument Maximum Effectiveness </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_DerivativeInstrumentMaximumEffectiveness_lbl" xml:lang="en-US"> Derivative instrument maximum effectiveness </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_DerivativeInstrumentsInterestExpenseOnHedges" xlink:label="chk_DerivativeInstrumentsInterestExpenseOnHedges"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_DerivativeInstrumentsInterestExpenseOnHedges" xlink:to="chk_DerivativeInstrumentsInterestExpenseOnHedges_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_DerivativeInstrumentsInterestExpenseOnHedges_lbl" xml:lang="en-US"> Derivative Instruments Interest Expense On Hedges </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_DerivativeInstrumentsInterestExpenseOnHedges_lbl" xml:lang="en-US"> Derivative Instruments Interest Expense On Hedges </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="chk_DerivativeInstrumentsInterestExpenseOnHedges_lbl" xml:lang="en-US"> Derivative instruments interest expense on hedges </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_EnergyMeasurementsAxis" xlink:label="chk_EnergyMeasurementsAxis"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_EnergyMeasurementsAxis" xlink:to="chk_EnergyMeasurementsAxis_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_EnergyMeasurementsAxis_lbl" xml:lang="en-US"> Energy Measurements </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_EnergyMeasurementsAxis_lbl" xml:lang="en-US"> Energy Measurements [Axis] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_EnergyMeasurementsDomain" xlink:label="chk_EnergyMeasurementsDomain"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_EnergyMeasurementsDomain" xlink:to="chk_EnergyMeasurementsDomain_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_EnergyMeasurementsDomain_lbl" xml:lang="en-US"> Energy Measurements </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_EnergyMeasurementsDomain_lbl" xml:lang="en-US"> Energy Measurements [Domain] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_EnergyMeasurementsDomain_lbl" xml:lang="en-US"> Energy Measurements [Domain] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_TbtuMember" xlink:label="chk_TbtuMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_TbtuMember" xlink:to="chk_TbtuMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_TbtuMember_lbl" xml:lang="en-US"> Trillion British Thermal Units </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_TbtuMember_lbl" xml:lang="en-US"> Tbtu [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_TbtuMember_lbl" xml:lang="en-US"> TBTU [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_MmbblMember" xlink:label="chk_MmbblMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_MmbblMember" xlink:to="chk_MmbblMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_MmbblMember_lbl" xml:lang="en-US"> MMbbl </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_MmbblMember_lbl" xml:lang="en-US"> Mmbbl [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_MmbblMember_lbl" xml:lang="en-US"> MMbbl [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_DerivativeInstrumentsRelatedToOilAndGasProductionComponentsAxis" xlink:label="chk_DerivativeInstrumentsRelatedToOilAndGasProductionComponentsAxis"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_DerivativeInstrumentsRelatedToOilAndGasProductionComponentsAxis" xlink:to="chk_DerivativeInstrumentsRelatedToOilAndGasProductionComponentsAxis_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_DerivativeInstrumentsRelatedToOilAndGasProductionComponentsAxis_lbl" xml:lang="en-US"> Crude Oil </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_DerivativeInstrumentsRelatedToOilAndGasProductionComponentsAxis_lbl" xml:lang="en-US"> Derivative Instruments Related To Oil And Gas Production Components [Axis] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_DerivativeInstrumentsRelatedToOilAndGasProductionComponentsDomain" xlink:label="chk_DerivativeInstrumentsRelatedToOilAndGasProductionComponentsDomain"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_DerivativeInstrumentsRelatedToOilAndGasProductionComponentsDomain" xlink:to="chk_DerivativeInstrumentsRelatedToOilAndGasProductionComponentsDomain_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_DerivativeInstrumentsRelatedToOilAndGasProductionComponentsDomain_lbl" xml:lang="en-US"> Derivative Instruments Related To Oil And Gas Production Components </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_DerivativeInstrumentsRelatedToOilAndGasProductionComponentsDomain_lbl" xml:lang="en-US"> Derivative Instruments Related To Oil And Gas Production Components [Domain] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_DerivativeInstrumentsRelatedToOilAndGasProductionComponentsDomain_lbl" xml:lang="en-US"> Derivative Instruments Related To Oil And Gas Production Components [Domain] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_NaturalGasMember" xlink:label="chk_NaturalGasMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_NaturalGasMember" xlink:to="chk_NaturalGasMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_NaturalGasMember_lbl" xml:lang="en-US"> Natural Gas [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_NaturalGasMember_lbl" xml:lang="en-US"> Natural Gas [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_NaturalGasMember_lbl" xml:lang="en-US"> Natural Gas [Member] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CrudeOilMember" xlink:label="us-gaap_CrudeOilMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CrudeOilMember" xlink:to="us-gaap_CrudeOilMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CrudeOilMember_lbl" xml:lang="en-US"> Crude Oil [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CrudeOilMember_lbl" xml:lang="en-US"> Oil [Member] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SwapMember" xlink:label="us-gaap_SwapMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SwapMember" xlink:to="us-gaap_SwapMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SwapMember_lbl" xml:lang="en-US"> Swap [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_SwapMember_lbl" xml:lang="en-US"> Fixed-Price Swaps [Member] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CallOptionMember" xlink:label="us-gaap_CallOptionMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CallOptionMember" xlink:to="us-gaap_CallOptionMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CallOptionMember_lbl" xml:lang="en-US"> Call Option [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CallOptionMember_lbl" xml:lang="en-US"> Call Options [Member] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SwaptionsMember" xlink:label="us-gaap_SwaptionsMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SwaptionsMember" xlink:to="us-gaap_SwaptionsMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SwaptionsMember_lbl" xml:lang="en-US"> Swaptions [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_SwaptionsMember_lbl" xml:lang="en-US"> Swaptions [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_KnockoutSwapsMember" xlink:label="chk_KnockoutSwapsMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_KnockoutSwapsMember" xlink:to="chk_KnockoutSwapsMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_KnockoutSwapsMember_lbl" xml:lang="en-US"> Knockout Swaps [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_KnockoutSwapsMember_lbl" xml:lang="en-US"> Knockout Swaps [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_KnockoutSwapsMember_lbl" xml:lang="en-US"> Fixed-Price Knockout Swaps [Member] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BasisSwapMember" xlink:label="us-gaap_BasisSwapMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BasisSwapMember" xlink:to="us-gaap_BasisSwapMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BasisSwapMember_lbl" xml:lang="en-US"> Basis Swap [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_BasisSwapMember_lbl" xml:lang="en-US"> Basis Protection Swaps [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_VolumeOfFutureOilAndGasProductionBeingHedged" xlink:label="chk_VolumeOfFutureOilAndGasProductionBeingHedged"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_VolumeOfFutureOilAndGasProductionBeingHedged" xlink:to="chk_VolumeOfFutureOilAndGasProductionBeingHedged_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_VolumeOfFutureOilAndGasProductionBeingHedged_lbl" xml:lang="en-US"> Volume Of Future Oil And Gas Production Being Hedged </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_VolumeOfFutureOilAndGasProductionBeingHedged_lbl" xml:lang="en-US"> Volume Of Future Oil And Gas Production Being Hedged </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_VolumeOfFutureOilAndGasProductionBeingHedged_lbl" xml:lang="en-US"> Volume </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PriceRiskDerivativesAtFairValueNet" xlink:label="us-gaap_PriceRiskDerivativesAtFairValueNet"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PriceRiskDerivativesAtFairValueNet" xlink:to="us-gaap_PriceRiskDerivativesAtFairValueNet_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PriceRiskDerivativesAtFairValueNet_lbl" xml:lang="en-US"> Fair Value </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_PriceRiskDerivativesAtFairValueNet_lbl" xml:lang="en-US"> Fair Value </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_PriceRiskDerivativesAtFairValueNet_lbl" xml:lang="en-US"> Price Risk Derivatives, at Fair Value, Net, Total </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OilAndGasRevenue" xlink:label="us-gaap_OilAndGasRevenue"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OilAndGasRevenue" xlink:to="us-gaap_OilAndGasRevenue_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OilAndGasRevenue_lbl" xml:lang="en-US"> Oil and Gas Revenue </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_OilAndGasRevenue_lbl" xml:lang="en-US"> Oil and Gas Revenue, Total </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_OilAndGasRevenue_lbl" xml:lang="en-US"> Natural gas and oil sales </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_GainLossOnDerivativeInstrumentsNetPretax" xlink:label="us-gaap_GainLossOnDerivativeInstrumentsNetPretax"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GainLossOnDerivativeInstrumentsNetPretax" xlink:to="us-gaap_GainLossOnDerivativeInstrumentsNetPretax_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_GainLossOnDerivativeInstrumentsNetPretax_lbl" xml:lang="en-US"> GainLossOnDerivativeInstrumentsNetPretax </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_GainLossOnDerivativeInstrumentsNetPretax_lbl" xml:lang="en-US"> Gain (Loss) on Derivative Instruments, Net, Pretax, Total </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_GainLossOnDerivativeInstrumentsNetPretax_lbl" xml:lang="en-US"> Gains (losses) on natural gas and oil derivatives </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_GainOnCashFlowHedgeIneffectiveness" xlink:label="us-gaap_GainOnCashFlowHedgeIneffectiveness"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GainOnCashFlowHedgeIneffectiveness" xlink:to="us-gaap_GainOnCashFlowHedgeIneffectiveness_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_GainOnCashFlowHedgeIneffectiveness_lbl" xml:lang="en-US"> Gain(loss) recognized in net income (loss) </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_GainOnCashFlowHedgeIneffectiveness_lbl" xml:lang="en-US"> Gains (losses) on ineffectiveness of cash flow hedges </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeAmountOfHedgedItem" xlink:label="us-gaap_DerivativeAmountOfHedgedItem"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeAmountOfHedgedItem" xlink:to="us-gaap_DerivativeAmountOfHedgedItem_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DerivativeAmountOfHedgedItem_lbl" xml:lang="en-US"> Notional amount of debt hedged </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DerivativeAmountOfHedgedItem_lbl" xml:lang="en-US"> Notional Amount </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InterestRateDerivativesAtFairValueNet" xlink:label="us-gaap_InterestRateDerivativesAtFairValueNet"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestRateDerivativesAtFairValueNet" xlink:to="us-gaap_InterestRateDerivativesAtFairValueNet_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InterestRateDerivativesAtFairValueNet_lbl" xml:lang="en-US"> Fair value of interest rate derivatives </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_InterestRateDerivativesAtFairValueNet_lbl" xml:lang="en-US"> Fair Value </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_InterestRateDerivativesAtFairValueNet_lbl" xml:lang="en-US"> Interest Rate Derivatives, at Fair Value, Net, Total </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InterestExpenseDebt" xlink:label="us-gaap_InterestExpenseDebt"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestExpenseDebt" xlink:to="us-gaap_InterestExpenseDebt_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InterestExpenseDebt_lbl" xml:lang="en-US"> Interest expense on senior notes </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_InterestExpenseDebt_lbl" xml:lang="en-US"> Interest Expense, Debt, Total </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_InterestExpenseCreditFacilities" xlink:label="chk_InterestExpenseCreditFacilities"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_InterestExpenseCreditFacilities" xlink:to="chk_InterestExpenseCreditFacilities_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_InterestExpenseCreditFacilities_lbl" xml:lang="en-US"> Interest Expense, Credit Facilities </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_InterestExpenseCreditFacilities_lbl" xml:lang="en-US"> Interest Expense Credit Facilities </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_InterestExpenseCreditFacilities_lbl" xml:lang="en-US"> Interest expense on credit facilities </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossRecognizedInIncomeNet" xlink:label="us-gaap_DerivativeInstrumentsGainLossRecognizedInIncomeNet"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeInstrumentsGainLossRecognizedInIncomeNet" xlink:to="us-gaap_DerivativeInstrumentsGainLossRecognizedInIncomeNet_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DerivativeInstrumentsGainLossRecognizedInIncomeNet_lbl" xml:lang="en-US"> Gain (loss) recognized in net income (loss) </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_DerivativeInstrumentsGainLossRecognizedInIncomeNet_lbl" xml:lang="en-US"> Gains (losses) on interest rate derivatives </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedNetLabel" xlink:label="us-gaap_DerivativeInstrumentsGainLossRecognizedInIncomeNet_lbl" xml:lang="en-US"> (Gains) losses on interest rate derivatives </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_DerivativeInstrumentsGainLossRecognizedInIncomeNet_lbl" xml:lang="en-US"> Derivative Instruments, Gain (Loss) Recognized in Income, Net, Total </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AmortizationOfFinancingCostsAndDiscounts" xlink:label="us-gaap_AmortizationOfFinancingCostsAndDiscounts"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AmortizationOfFinancingCostsAndDiscounts" xlink:to="us-gaap_AmortizationOfFinancingCostsAndDiscounts_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AmortizationOfFinancingCostsAndDiscounts_lbl" xml:lang="en-US"> Amortization of loan discount and other </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_AmortizationOfFinancingCostsAndDiscounts_lbl" xml:lang="en-US"> Amortization of Financing Costs and Discounts, Total </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InterestCostsCapitalized" xlink:label="us-gaap_InterestCostsCapitalized"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestCostsCapitalized" xlink:to="us-gaap_InterestCostsCapitalized_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InterestCostsCapitalized_lbl" xml:lang="en-US"> Capitalized interest </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_InterestCostsCapitalized_lbl" xml:lang="en-US"> Capitalized interest </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_HedgingDesignationAxis" xlink:label="us-gaap_HedgingDesignationAxis"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_HedgingDesignationAxis" xlink:to="us-gaap_HedgingDesignationAxis_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_HedgingDesignationAxis_lbl" xml:lang="en-US"> Hedging Designation [Axis] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_HedgingDesignationDomain" xlink:label="us-gaap_HedgingDesignationDomain"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_HedgingDesignationDomain" xlink:to="us-gaap_HedgingDesignationDomain_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_HedgingDesignationDomain_lbl" xml:lang="en-US"> Hedging Designation [Domain] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_HedgingDesignationDomain_lbl" xml:lang="en-US"> Hedging Designation [Domain] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DesignatedAsHedgingInstrumentMember" xlink:label="us-gaap_DesignatedAsHedgingInstrumentMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DesignatedAsHedgingInstrumentMember" xlink:to="us-gaap_DesignatedAsHedgingInstrumentMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DesignatedAsHedgingInstrumentMember_lbl" xml:lang="en-US"> Designated As Hedging Instrument [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DesignatedAsHedgingInstrumentMember_lbl" xml:lang="en-US"> Derivatives Designated As Hedging Instruments [Member] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NondesignatedMember" xlink:label="us-gaap_NondesignatedMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NondesignatedMember" xlink:to="us-gaap_NondesignatedMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NondesignatedMember_lbl" xml:lang="en-US"> Nondesignated [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_NondesignatedMember_lbl" xml:lang="en-US"> Derivatives Not Designated As Hedging Instruments [Member] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommodityContractMember" xlink:label="us-gaap_CommodityContractMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommodityContractMember" xlink:to="us-gaap_CommodityContractMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommodityContractMember_lbl" xml:lang="en-US"> Commodity Contract [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CommodityContractMember_lbl" xml:lang="en-US"> Commodity Contracts [Member] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ForeignExchangeContractMember" xlink:label="us-gaap_ForeignExchangeContractMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ForeignExchangeContractMember" xlink:to="us-gaap_ForeignExchangeContractMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ForeignExchangeContractMember_lbl" xml:lang="en-US"> Foreign Exchange Contract [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ForeignExchangeContractMember_lbl" xml:lang="en-US"> Foreign Currency Contracts [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_EquityContractsMember" xlink:label="chk_EquityContractsMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_EquityContractsMember" xlink:to="chk_EquityContractsMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_EquityContractsMember_lbl" xml:lang="en-US"> Equity Contracts [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_EquityContractsMember_lbl" xml:lang="en-US"> Equity Contracts [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_EquityContractsMember_lbl" xml:lang="en-US"> Equity Contracts [Member] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativesFairValueByBalanceSheetLocationAxis" xlink:label="us-gaap_DerivativesFairValueByBalanceSheetLocationAxis"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativesFairValueByBalanceSheetLocationAxis" xlink:to="us-gaap_DerivativesFairValueByBalanceSheetLocationAxis_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DerivativesFairValueByBalanceSheetLocationAxis_lbl" xml:lang="en-US"> Derivatives, Fair Value, by Balance Sheet Location [Axis] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BalanceSheetLocationDomain" xlink:label="us-gaap_BalanceSheetLocationDomain"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BalanceSheetLocationDomain" xlink:to="us-gaap_BalanceSheetLocationDomain_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BalanceSheetLocationDomain_lbl" xml:lang="en-US"> Balance Sheet Location [Domain] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_BalanceSheetLocationDomain_lbl" xml:lang="en-US"> Balance Sheet Location [Domain] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_ShortTermDerivativeInstrumentsMember" xlink:label="chk_ShortTermDerivativeInstrumentsMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_ShortTermDerivativeInstrumentsMember" xlink:to="chk_ShortTermDerivativeInstrumentsMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_ShortTermDerivativeInstrumentsMember_lbl" xml:lang="en-US"> Short Term derivative instruments </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_ShortTermDerivativeInstrumentsMember_lbl" xml:lang="en-US"> Short Term Derivative Instruments [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_ShortTermDerivativeInstrumentsMember_lbl" xml:lang="en-US"> Short-Term Derivative Instruments [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_LongTermDerivativeInstrumentsMember" xlink:label="chk_LongTermDerivativeInstrumentsMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_LongTermDerivativeInstrumentsMember" xlink:to="chk_LongTermDerivativeInstrumentsMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_LongTermDerivativeInstrumentsMember_lbl" xml:lang="en-US"> Long Term derivative instruments </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_LongTermDerivativeInstrumentsMember_lbl" xml:lang="en-US"> Long Term Derivative Instruments [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_LongTermDerivativeInstrumentsMember_lbl" xml:lang="en-US"> Long-Term Derivative Instruments [Member] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeAssetFairValueNetAbstract" xlink:label="us-gaap_DerivativeAssetFairValueNetAbstract"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeAssetFairValueNetAbstract" xlink:to="us-gaap_DerivativeAssetFairValueNetAbstract_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DerivativeAssetFairValueNetAbstract_lbl" xml:lang="en-US"> Asset Derivatives: </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeFairValueOfDerivativeAsset" xlink:label="us-gaap_DerivativeFairValueOfDerivativeAsset"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeFairValueOfDerivativeAsset" xlink:to="us-gaap_DerivativeFairValueOfDerivativeAsset_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DerivativeFairValueOfDerivativeAsset_lbl" xml:lang="en-US"> Derivatives designated as hedging instruments, assets </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DerivativeFairValueOfDerivativeAsset_lbl" xml:lang="en-US"> Asset commodity contracts (hedging instrument) </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_DerivativeFairValueOfDerivativeAsset_lbl" xml:lang="en-US"> Derivative Asset, Fair Value, Gross Asset, Total </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeLiabilityFairValueNetAbstract" xlink:label="us-gaap_DerivativeLiabilityFairValueNetAbstract"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeLiabilityFairValueNetAbstract" xlink:to="us-gaap_DerivativeLiabilityFairValueNetAbstract_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DerivativeLiabilityFairValueNetAbstract_lbl" xml:lang="en-US"> Liability Derivatives: </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeFairValueOfDerivativeNet" xlink:label="us-gaap_DerivativeFairValueOfDerivativeNet"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeFairValueOfDerivativeNet" xlink:to="us-gaap_DerivativeFairValueOfDerivativeNet_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DerivativeFairValueOfDerivativeNet_lbl" xml:lang="en-US"> Total derivative instruments </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:label="us-gaap_DerivativeFairValueOfDerivativeNet_lbl" xml:lang="en-US"> Total derivative instruments </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_DerivativeFairValueOfDerivativeNet_lbl" xml:lang="en-US"> Total derivative instruments </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable" xlink:label="us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable" xlink:to="us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_lbl" xml:lang="en-US"> Derivative Instruments, Gain (Loss) by Hedging Relationship, by Income Statement Location, by Derivative Instrument Risk [Table] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossLineItems" xlink:label="us-gaap_DerivativeInstrumentsGainLossLineItems"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeInstrumentsGainLossLineItems" xlink:to="us-gaap_DerivativeInstrumentsGainLossLineItems_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DerivativeInstrumentsGainLossLineItems_lbl" xml:lang="en-US"> Derivative Instruments, Gain (Loss) [Line Items] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_DerivativeInstrumentsReclassifiedFromAccumulatedOciIntoStockholdersEquityEffectivePortionBeforeTax" xlink:label="chk_DerivativeInstrumentsReclassifiedFromAccumulatedOciIntoStockholdersEquityEffectivePortionBeforeTax"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_DerivativeInstrumentsReclassifiedFromAccumulatedOciIntoStockholdersEquityEffectivePortionBeforeTax" xlink:to="chk_DerivativeInstrumentsReclassifiedFromAccumulatedOciIntoStockholdersEquityEffectivePortionBeforeTax_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_DerivativeInstrumentsReclassifiedFromAccumulatedOciIntoStockholdersEquityEffectivePortionBeforeTax_lbl" xml:lang="en-US"> Derivative Instruments, Reclassified From Accumulated OCI Into Stockholders Equity, Effective Portion, Before Tax </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_DerivativeInstrumentsReclassifiedFromAccumulatedOciIntoStockholdersEquityEffectivePortionBeforeTax_lbl" xml:lang="en-US"> Derivative Instruments, Reclassified From Accumulated OCI Into Stockholders Equity, Effective Portion, Before Tax </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedPeriodEndLabel" xlink:label="chk_DerivativeInstrumentsReclassifiedFromAccumulatedOciIntoStockholdersEquityEffectivePortionBeforeTax_lbl" xml:lang="en-US"> Balance, end of period, Before Tax </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedPeriodStartLabel" xlink:label="chk_DerivativeInstrumentsReclassifiedFromAccumulatedOciIntoStockholdersEquityEffectivePortionBeforeTax_lbl" xml:lang="en-US"> Balance, beginning of period, Before Tax </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="chk_DerivativeInstrumentsReclassifiedFromAccumulatedOciIntoStockholdersEquityEffectivePortionBeforeTax_lbl" xml:lang="en-US"> Balance, end of period, Before Tax </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="chk_DerivativeInstrumentsReclassifiedFromAccumulatedOciIntoStockholdersEquityEffectivePortionBeforeTax_lbl" xml:lang="en-US"> Balance, beginning of period, Before Tax </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_DerivativeInstrumentsReclassifiedFromAccumulatedOciIntoStockholdersEquityEffectivePortionAfterTax" xlink:label="chk_DerivativeInstrumentsReclassifiedFromAccumulatedOciIntoStockholdersEquityEffectivePortionAfterTax"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_DerivativeInstrumentsReclassifiedFromAccumulatedOciIntoStockholdersEquityEffectivePortionAfterTax" xlink:to="chk_DerivativeInstrumentsReclassifiedFromAccumulatedOciIntoStockholdersEquityEffectivePortionAfterTax_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_DerivativeInstrumentsReclassifiedFromAccumulatedOciIntoStockholdersEquityEffectivePortionAfterTax_lbl" xml:lang="en-US"> Derivative Instruments, Reclassified From Accumulated OCI into Stockholders Equity, Effective Portion, After Tax </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_DerivativeInstrumentsReclassifiedFromAccumulatedOciIntoStockholdersEquityEffectivePortionAfterTax_lbl" xml:lang="en-US"> Derivative Instruments, Reclassified From Accumulated OCI into Stockholders Equity, Effective Portion, After Tax </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedPeriodEndLabel" xlink:label="chk_DerivativeInstrumentsReclassifiedFromAccumulatedOciIntoStockholdersEquityEffectivePortionAfterTax_lbl" xml:lang="en-US"> Balance, end of period, After Tax </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedPeriodStartLabel" xlink:label="chk_DerivativeInstrumentsReclassifiedFromAccumulatedOciIntoStockholdersEquityEffectivePortionAfterTax_lbl" xml:lang="en-US"> Balance, beginning of period, After Tax </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="chk_DerivativeInstrumentsReclassifiedFromAccumulatedOciIntoStockholdersEquityEffectivePortionAfterTax_lbl" xml:lang="en-US"> Balance, end of period, After Tax </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="chk_DerivativeInstrumentsReclassifiedFromAccumulatedOciIntoStockholdersEquityEffectivePortionAfterTax_lbl" xml:lang="en-US"> Balance, beginning of period, After Tax </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_DerivativeInstrumentsNetChangeInFairValueReclassifiedFromAccumulatedOciIntoStockholdersEquityEffectivePortionBeforeTax" xlink:label="chk_DerivativeInstrumentsNetChangeInFairValueReclassifiedFromAccumulatedOciIntoStockholdersEquityEffectivePortionBeforeTax"/>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_DerivativeInstrumentsNetChangeInFairValueReclassifiedFromAccumulatedOciIntoStockholdersEquityEffectivePortionBeforeTax_lbl" xml:lang="en-US"> Derivative Instruments, Net Change In Fair Value Reclassified From Accumulated OCI into Stockholders Equity, Effective Portion, Before Tax </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_DerivativeInstrumentsNetChangeInFairValueReclassifiedFromAccumulatedOciIntoStockholdersEquityEffectivePortionBeforeTax_lbl" xml:lang="en-US"> Derivative Instruments, Net Change In Fair Value Reclassified From Accumulated OCI into Stockholders Equity, Effective Portion, Before Tax </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_DerivativeInstrumentsNetChangeInFairValueReclassifiedFromAccumulatedOciIntoStockholdersEquityEffectivePortionBeforeTax_lbl" xml:lang="en-US"> Net change in fair value, Before Tax </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_DerivativeInstrumentsNetChangeInFairValueReclassifiedFromAccumulatedOciIntoStockholdersEquityEffectivePortionAfterTax" xlink:label="chk_DerivativeInstrumentsNetChangeInFairValueReclassifiedFromAccumulatedOciIntoStockholdersEquityEffectivePortionAfterTax"/>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_DerivativeInstrumentsNetChangeInFairValueReclassifiedFromAccumulatedOciIntoStockholdersEquityEffectivePortionAfterTax_lbl" xml:lang="en-US"> Derivative Instruments, Net Change In Fair Value Reclassified From Accumulated OCI into Stockholders Equity, Effective Portion, After Tax </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_DerivativeInstrumentsNetChangeInFairValueReclassifiedFromAccumulatedOciIntoStockholdersEquityEffectivePortionAfterTax_lbl" xml:lang="en-US"> Derivative Instruments, Net Change In Fair Value Reclassified From Accumulated OCI into Stockholders Equity, Effective Portion, After Tax </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="chk_DerivativeInstrumentsNetChangeInFairValueReclassifiedFromAccumulatedOciIntoStockholdersEquityEffectivePortionAfterTax_lbl" xml:lang="en-US"> Net change in fair value, After Tax </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_DerivativeInstrumentsGainsReclassifiedFromAccumulatedOciIntoStockholdersEquityEffectivePortionBeforeTax" xlink:label="chk_DerivativeInstrumentsGainsReclassifiedFromAccumulatedOciIntoStockholdersEquityEffectivePortionBeforeTax"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_DerivativeInstrumentsGainsReclassifiedFromAccumulatedOciIntoStockholdersEquityEffectivePortionBeforeTax" xlink:to="chk_DerivativeInstrumentsGainsReclassifiedFromAccumulatedOciIntoStockholdersEquityEffectivePortionBeforeTax_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_DerivativeInstrumentsGainsReclassifiedFromAccumulatedOciIntoStockholdersEquityEffectivePortionBeforeTax_lbl" xml:lang="en-US"> Derivative Instruments, Gains Reclassified From Accumulated OCI into Stockholders Equity, Effective Portion, Before Tax </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_DerivativeInstrumentsGainsReclassifiedFromAccumulatedOciIntoStockholdersEquityEffectivePortionBeforeTax_lbl" xml:lang="en-US"> Derivative Instruments, Gains Reclassified From Accumulated OCI into Stockholders Equity, Effective Portion, Before Tax </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_DerivativeInstrumentsGainsReclassifiedFromAccumulatedOciIntoStockholdersEquityEffectivePortionBeforeTax_lbl" xml:lang="en-US"> Gains reclassified to income, Before Tax </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_DerivativeInstrumentsGainsReclassifiedFromAccumulatedOciIntoStockholdersEquityEffectivePortionAfterTax" xlink:label="chk_DerivativeInstrumentsGainsReclassifiedFromAccumulatedOciIntoStockholdersEquityEffectivePortionAfterTax"/>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_DerivativeInstrumentsGainsReclassifiedFromAccumulatedOciIntoStockholdersEquityEffectivePortionAfterTax_lbl" xml:lang="en-US"> Derivative Instruments, Gains Reclassified From Accumulated OCI into Stockholders Equity, Effective Portion, After Tax </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_DerivativeInstrumentsGainsReclassifiedFromAccumulatedOciIntoStockholdersEquityEffectivePortionAfterTax_lbl" xml:lang="en-US"> Derivative Instruments, Gains Reclassified From Accumulated OCI into Stockholders Equity, Effective Portion, After Tax </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="chk_DerivativeInstrumentsGainsReclassifiedFromAccumulatedOciIntoStockholdersEquityEffectivePortionAfterTax_lbl" xml:lang="en-US"> Gains reclassified to income, After Tax </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_AociMember" xlink:label="chk_AociMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_AociMember" xlink:to="chk_AociMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_AociMember_lbl" xml:lang="en-US"> AOCI [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_AociMember_lbl" xml:lang="en-US"> Aoci [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_AociMember_lbl" xml:lang="en-US"> AOCI [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_NaturalGasAndOilSalesMember" xlink:label="chk_NaturalGasAndOilSalesMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_NaturalGasAndOilSalesMember" xlink:to="chk_NaturalGasAndOilSalesMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_NaturalGasAndOilSalesMember_lbl" xml:lang="en-US"> Natural Gas and Oil Sales </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_NaturalGasAndOilSalesMember_lbl" xml:lang="en-US"> Natural Gas And Oil Sales [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_NaturalGasAndOilSalesMember_lbl" xml:lang="en-US"> Natural Gas And Oil Sales [Member] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet" xlink:label="us-gaap_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet" xlink:to="us-gaap_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet_lbl" xml:lang="en-US"> Gain (Loss) Recognized in AOCI (Effective Portion) </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet_lbl" xml:lang="en-US"> Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income, Effective Portion, Net, Total </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_GainLossOnCashFlowHedgeEffectivenessTotal" xlink:label="chk_GainLossOnCashFlowHedgeEffectivenessTotal"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_GainLossOnCashFlowHedgeEffectivenessTotal" xlink:to="chk_GainLossOnCashFlowHedgeEffectivenessTotal_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_GainLossOnCashFlowHedgeEffectivenessTotal_lbl" xml:lang="en-US"> Gain Loss On Cash Flow Hedge Effectiveness Total </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_GainLossOnCashFlowHedgeEffectivenessTotal_lbl" xml:lang="en-US"> Gain Loss On Cash Flow Hedge Effectiveness Total </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_GainLossOnCashFlowHedgeEffectivenessTotal_lbl" xml:lang="en-US"> Gain (Loss) On Cash Flow Hedge (Effectiveness Portion) Total </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet" xlink:label="us-gaap_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet" xlink:to="us-gaap_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet_lbl" xml:lang="en-US"> Gain (Loss) Reclassified from AOCI (Effective Portion) </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet_lbl" xml:lang="en-US"> Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net, Total </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet_lbl" xml:lang="en-US"> Gain (Loss) Reclassified from AOCI into Income (Effective Portion) </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_GainLossRecognizedCommodityContractsIneffectivePortion" xlink:label="chk_GainLossRecognizedCommodityContractsIneffectivePortion"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_GainLossRecognizedCommodityContractsIneffectivePortion" xlink:to="chk_GainLossRecognizedCommodityContractsIneffectivePortion_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_GainLossRecognizedCommodityContractsIneffectivePortion_lbl" xml:lang="en-US"> Gain (Loss) Recognized Commodity Contracts Ineffective Portion </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_GainLossRecognizedCommodityContractsIneffectivePortion_lbl" xml:lang="en-US"> Gain (Loss) Recognized Commodity Contracts Ineffective Portion </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_GainLossRecognizedCommodityContractsIneffectivePortion_lbl" xml:lang="en-US"> Gain (Loss) Recognized, Commodity Contracts, Ineffective Portion </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossRecognizedInIncomeIneffectivePortionAndAmountExcludedFromEffectivenessTestingNet" xlink:label="us-gaap_DerivativeInstrumentsGainLossRecognizedInIncomeIneffectivePortionAndAmountExcludedFromEffectivenessTestingNet"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeInstrumentsGainLossRecognizedInIncomeIneffectivePortionAndAmountExcludedFromEffectivenessTestingNet" xlink:to="us-gaap_DerivativeInstrumentsGainLossRecognizedInIncomeIneffectivePortionAndAmountExcludedFromEffectivenessTestingNet_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DerivativeInstrumentsGainLossRecognizedInIncomeIneffectivePortionAndAmountExcludedFromEffectivenessTestingNet_lbl" xml:lang="en-US"> Gain (Loss) Recognized (Ineffective Portion and Amount Excluded from Effectiveness Testing) </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_DerivativeInstrumentsGainLossRecognizedInIncomeIneffectivePortionAndAmountExcludedFromEffectivenessTestingNet_lbl" xml:lang="en-US"> Derivative Instruments, Gain (Loss) Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing, Net, Total </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_DerivativeInstrumentsGainLossRecognizedInIncomeIneffectivePortionAndAmountExcludedFromEffectivenessTestingNet_lbl" xml:lang="en-US"> Gain (Loss) Recognized, Amount initially excluded from effectiveness testing </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_GainLossOnCashFlowHedgeIneffectivenessTotal" xlink:label="chk_GainLossOnCashFlowHedgeIneffectivenessTotal"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_GainLossOnCashFlowHedgeIneffectivenessTotal" xlink:to="chk_GainLossOnCashFlowHedgeIneffectivenessTotal_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_GainLossOnCashFlowHedgeIneffectivenessTotal_lbl" xml:lang="en-US"> Gain Loss On Cash Flow Hedge Ineffectiveness Total </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_GainLossOnCashFlowHedgeIneffectivenessTotal_lbl" xml:lang="en-US"> Gain Loss On Cash Flow Hedge Ineffectiveness Total </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_GainLossOnCashFlowHedgeIneffectivenessTotal_lbl" xml:lang="en-US"> Gain (Loss) On Cash Flow Hedge (Ineffective Portion) Total </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="chk_GainLossOnCashFlowHedgeIneffectivenessTotal_lbl" xml:lang="en-US"> Gain (Loss) Recognized in Income, Commodity contracts </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherIncomeMember" xlink:label="us-gaap_OtherIncomeMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherIncomeMember" xlink:to="us-gaap_OtherIncomeMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherIncomeMember_lbl" xml:lang="en-US"> Other Income [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OtherIncomeMember_lbl" xml:lang="en-US"> Other Income [Member] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:label="us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:to="us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_lbl" xml:lang="en-US"> Schedule of Business Acquisitions, by Acquisition [Table] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_EagleFordAndPearsallBarnettMercellusAndHaynesvilleAndBossierMember" xlink:label="chk_EagleFordAndPearsallBarnettMercellusAndHaynesvilleAndBossierMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_EagleFordAndPearsallBarnettMercellusAndHaynesvilleAndBossierMember" xlink:to="chk_EagleFordAndPearsallBarnettMercellusAndHaynesvilleAndBossierMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_EagleFordAndPearsallBarnettMercellusAndHaynesvilleAndBossierMember_lbl" xml:lang="en-US"> Eagle Ford And Pearsall, Barnett, Mercellus, And Haynesville And Bossier [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_EagleFordAndPearsallBarnettMercellusAndHaynesvilleAndBossierMember_lbl" xml:lang="en-US"> Eagle Ford And Pearsall Barnett Mercellus And Haynesville And Bossier [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_EagleFordAndPearsallBarnettMercellusAndHaynesvilleAndBossierMember_lbl" xml:lang="en-US"> Eagle Ford And Pearsall, Barnett, Mercellus, And Haynesville And Bossier [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_BarnettAndUticaShaleMember" xlink:label="chk_BarnettAndUticaShaleMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_BarnettAndUticaShaleMember" xlink:to="chk_BarnettAndUticaShaleMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_BarnettAndUticaShaleMember_lbl" xml:lang="en-US"> Barnett And Utica Shale [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_BarnettAndUticaShaleMember_lbl" xml:lang="en-US"> Barnett And Utica Shale [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_BarnettAndUticaShaleMember_lbl" xml:lang="en-US"> Barnett And Utica Shale [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_FayettevilleShaleMember" xlink:label="chk_FayettevilleShaleMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_FayettevilleShaleMember" xlink:to="chk_FayettevilleShaleMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_FayettevilleShaleMember_lbl" xml:lang="en-US"> Fayetteville Shale [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_FayettevilleShaleMember_lbl" xml:lang="en-US"> Fayetteville Shale [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_FayettevilleShaleMember_lbl" xml:lang="en-US"> Fayetteville Shale [Member] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="us-gaap_BusinessAcquisitionLineItems"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessAcquisitionLineItems" xlink:to="us-gaap_BusinessAcquisitionLineItems_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BusinessAcquisitionLineItems_lbl" xml:lang="en-US"> Business Acquisition [Line Items] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_ProceedsFromSaleOfLeasedAssets" xlink:label="chk_ProceedsFromSaleOfLeasedAssets"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_ProceedsFromSaleOfLeasedAssets" xlink:to="chk_ProceedsFromSaleOfLeasedAssets_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_ProceedsFromSaleOfLeasedAssets_lbl" xml:lang="en-US"> Proceeds From Sale Of Leased Assets </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_ProceedsFromSaleOfLeasedAssets_lbl" xml:lang="en-US"> Proceeds From Sale Of Leased Assets </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_ProceedsFromSaleOfLeasedAssets_lbl" xml:lang="en-US"> Proceeds from sale of leasehold </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_GasAndOilAcreageDevelopedNet" xlink:label="us-gaap_GasAndOilAcreageDevelopedNet"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GasAndOilAcreageDevelopedNet" xlink:to="us-gaap_GasAndOilAcreageDevelopedNet_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_GasAndOilAcreageDevelopedNet_lbl" xml:lang="en-US"> Gas and Oil Acreage, Developed, Net </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_GasAndOilAcreageDevelopedNet_lbl" xml:lang="en-US"> Area of property sold, acres </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_CurrentNetProductionUnits" xlink:label="chk_CurrentNetProductionUnits"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_CurrentNetProductionUnits" xlink:to="chk_CurrentNetProductionUnits_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_CurrentNetProductionUnits_lbl" xml:lang="en-US"> Current Net Production, Units </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_CurrentNetProductionUnits_lbl" xml:lang="en-US"> Current Net Production, Units </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_CurrentNetProductionUnits_lbl" xml:lang="en-US"> Current net production (mmcfe per day) </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_AdditionalAssetsPipelineLength" xlink:label="chk_AdditionalAssetsPipelineLength"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_AdditionalAssetsPipelineLength" xlink:to="chk_AdditionalAssetsPipelineLength_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_AdditionalAssetsPipelineLength_lbl" xml:lang="en-US"> Additional Assets, Pipeline Length </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_AdditionalAssetsPipelineLength_lbl" xml:lang="en-US"> Additional Assets, Pipeline Length </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_AdditionalAssetsPipelineLength_lbl" xml:lang="en-US"> Additional assets sold, miles of pipeline </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_CashReceivedOnSaleOfLeaseholdPropertiesAndOtherAssets" xlink:label="chk_CashReceivedOnSaleOfLeaseholdPropertiesAndOtherAssets"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_CashReceivedOnSaleOfLeaseholdPropertiesAndOtherAssets" xlink:to="chk_CashReceivedOnSaleOfLeaseholdPropertiesAndOtherAssets_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_CashReceivedOnSaleOfLeaseholdPropertiesAndOtherAssets_lbl" xml:lang="en-US"> Cash Received On Sale Of Leasehold Properties And Other Assets </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_CashReceivedOnSaleOfLeaseholdPropertiesAndOtherAssets_lbl" xml:lang="en-US"> Cash Received On Sale Of Leasehold Properties And Other Assets </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_CashReceivedOnSaleOfLeaseholdPropertiesAndOtherAssets_lbl" xml:lang="en-US"> Cash received on sale of leasehold properties and other assets </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SaleOfStockConsiderationReceivedOnTransaction" xlink:label="us-gaap_SaleOfStockConsiderationReceivedOnTransaction"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SaleOfStockConsiderationReceivedOnTransaction" xlink:to="us-gaap_SaleOfStockConsiderationReceivedOnTransaction_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SaleOfStockConsiderationReceivedOnTransaction_lbl" xml:lang="en-US"> Sale of Stock, Consideration Received on Transaction </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_SaleOfStockConsiderationReceivedOnTransaction_lbl" xml:lang="en-US"> Total consideration on sale of a portion of leasehold </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_SaleOfStockConsiderationReceivedOnTransaction_lbl" xml:lang="en-US"> Total consideration on sale of a portion of leasehold </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_SaleOfStockConsiderationReceivedOnTransaction_lbl" xml:lang="en-US"> Sale of stock, consideration received on transaction </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_OilAndGasBenefitFromDrillingCarries" xlink:label="chk_OilAndGasBenefitFromDrillingCarries"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_OilAndGasBenefitFromDrillingCarries" xlink:to="chk_OilAndGasBenefitFromDrillingCarries_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_OilAndGasBenefitFromDrillingCarries_lbl" xml:lang="en-US"> Oil and gas benefit from drilling carries </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_OilAndGasBenefitFromDrillingCarries_lbl" xml:lang="en-US"> Oil And Gas Benefit From Drilling Carries </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_OilAndGasBenefitFromDrillingCarries_lbl" xml:lang="en-US"> Benefit received from drilling completion carries associated with joint ventures </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="chk_OilAndGasBenefitFromDrillingCarries_lbl" xml:lang="en-US"> Cash Proceeds Received at Closing </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_MinorityInterestOwnershipPercentageByParent" xlink:label="us-gaap_MinorityInterestOwnershipPercentageByParent"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MinorityInterestOwnershipPercentageByParent" xlink:to="us-gaap_MinorityInterestOwnershipPercentageByParent_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_MinorityInterestOwnershipPercentageByParent_lbl" xml:lang="en-US"> Noncontrolling Interest, Ownership Percentage by Parent </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_MinorityInterestOwnershipPercentageByParent_lbl" xml:lang="en-US"> Minority ownership percentage </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_MinorityInterestOwnershipPercentageByParent_lbl" xml:lang="en-US"> Ownership percentage </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromSaleOfOtherAssets" xlink:label="us-gaap_ProceedsFromSaleOfOtherAssets"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromSaleOfOtherAssets" xlink:to="us-gaap_ProceedsFromSaleOfOtherAssets_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProceedsFromSaleOfOtherAssets_lbl" xml:lang="en-US"> Proceeds from Sale of Other Assets </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ProceedsFromSaleOfOtherAssets_lbl" xml:lang="en-US"> Total proceeds </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ProceedsFromSaleOfOtherAssets_lbl" xml:lang="en-US"> Portion of proceeds allocated to divestiture </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_GainLossOnSaleOfOtherAssets" xlink:label="us-gaap_GainLossOnSaleOfOtherAssets"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GainLossOnSaleOfOtherAssets" xlink:to="us-gaap_GainLossOnSaleOfOtherAssets_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_GainLossOnSaleOfOtherAssets_lbl" xml:lang="en-US"> Gain (Loss) on Sale of Other Assets </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_GainLossOnSaleOfOtherAssets_lbl" xml:lang="en-US"> Gain for divestiture of Fayetteville Shale midstream assets </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_UticaMember" xlink:label="chk_UticaMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_UticaMember" xlink:to="chk_UticaMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_UticaMember_lbl" xml:lang="en-US"> Utica [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_UticaMember_lbl" xml:lang="en-US"> Utica [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_UticaMember_lbl" xml:lang="en-US"> Utica [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_NiobraraMember" xlink:label="chk_NiobraraMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_NiobraraMember" xlink:to="chk_NiobraraMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_NiobraraMember_lbl" xml:lang="en-US"> Niobrara [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_NiobraraMember_lbl" xml:lang="en-US"> Niobrara [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_NiobraraMember_lbl" xml:lang="en-US"> Niobrara [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_EagleFordAndPearsallMember" xlink:label="chk_EagleFordAndPearsallMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_EagleFordAndPearsallMember" xlink:to="chk_EagleFordAndPearsallMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_EagleFordAndPearsallMember_lbl" xml:lang="en-US"> Eagle ford and pearsall </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_EagleFordAndPearsallMember_lbl" xml:lang="en-US"> Eagle Ford And Pearsall [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_EagleFordAndPearsallMember_lbl" xml:lang="en-US"> Eagle Ford & Pearsall [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_BarnettShaleJointVentureMember" xlink:label="chk_BarnettShaleJointVentureMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_BarnettShaleJointVentureMember" xlink:to="chk_BarnettShaleJointVentureMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_BarnettShaleJointVentureMember_lbl" xml:lang="en-US"> Barnett Shale Joint Venture </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_BarnettShaleJointVentureMember_lbl" xml:lang="en-US"> Barnett Shale Joint Venture [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_BarnettShaleJointVentureMember_lbl" xml:lang="en-US"> Barnett Shale [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_MarcellusJointVentureMember" xlink:label="chk_MarcellusJointVentureMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_MarcellusJointVentureMember" xlink:to="chk_MarcellusJointVentureMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_MarcellusJointVentureMember_lbl" xml:lang="en-US"> Marcellus Joint Venture </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_MarcellusJointVentureMember_lbl" xml:lang="en-US"> Marcellus Joint Venture [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_MarcellusJointVentureMember_lbl" xml:lang="en-US"> Marcellus [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_FayettevilleJointVentureMember" xlink:label="chk_FayettevilleJointVentureMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_FayettevilleJointVentureMember" xlink:to="chk_FayettevilleJointVentureMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_FayettevilleJointVentureMember_lbl" xml:lang="en-US"> Fayetteville Joint Venture </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_FayettevilleJointVentureMember_lbl" xml:lang="en-US"> Fayetteville Joint Venture [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_FayettevilleJointVentureMember_lbl" xml:lang="en-US"> Fayetteville [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_HaynesvilleAndBossierMember" xlink:label="chk_HaynesvilleAndBossierMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_HaynesvilleAndBossierMember" xlink:to="chk_HaynesvilleAndBossierMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_HaynesvilleAndBossierMember_lbl" xml:lang="en-US"> Haynesville And Bossier [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_HaynesvilleAndBossierMember_lbl" xml:lang="en-US"> Haynesville And Bossier [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_HaynesvilleAndBossierMember_lbl" xml:lang="en-US"> Haynesville & Bossier [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_JointVenturePartner" xlink:label="chk_JointVenturePartner"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_JointVenturePartner" xlink:to="chk_JointVenturePartner_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_JointVenturePartner_lbl" xml:lang="en-US"> Joint Venture Partner </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_JointVenturePartner_lbl" xml:lang="en-US"> Joint Venture Partner </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_JointVentureDate" xlink:label="chk_JointVentureDate"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_JointVentureDate" xlink:to="chk_JointVentureDate_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_JointVentureDate_lbl" xml:lang="en-US"> Joint Venture Date </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_JointVentureDate_lbl" xml:lang="en-US"> Joint Venture Date </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_InterestAcquired" xlink:label="chk_InterestAcquired"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_InterestAcquired" xlink:to="chk_InterestAcquired_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_InterestAcquired_lbl" xml:lang="en-US"> Interest Acquired </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_InterestAcquired_lbl" xml:lang="en-US"> Interest Acquired </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_InterestAcquired_lbl" xml:lang="en-US"> Interest Sold </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_CashProceedsReceivedAtClosing" xlink:label="chk_CashProceedsReceivedAtClosing"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_CashProceedsReceivedAtClosing" xlink:to="chk_CashProceedsReceivedAtClosing_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_CashProceedsReceivedAtClosing_lbl" xml:lang="en-US"> Cash proceeds received at closing </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_CashProceedsReceivedAtClosing_lbl" xml:lang="en-US"> Cash Proceeds Received at Closing </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_TotalDrillingCarries" xlink:label="chk_TotalDrillingCarries"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_TotalDrillingCarries" xlink:to="chk_TotalDrillingCarries_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_TotalDrillingCarries_lbl" xml:lang="en-US"> Total Drilling Carries </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_TotalDrillingCarries_lbl" xml:lang="en-US"> Total Drilling Carries </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_TotalCashAndDrillingCarryProceeds" xlink:label="chk_TotalCashAndDrillingCarryProceeds"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_TotalCashAndDrillingCarryProceeds" xlink:to="chk_TotalCashAndDrillingCarryProceeds_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_TotalCashAndDrillingCarryProceeds_lbl" xml:lang="en-US"> Total Cash And Drilling Carry Proceeds </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_TotalCashAndDrillingCarryProceeds_lbl" xml:lang="en-US"> Total Cash And Drilling Carry Proceeds </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_TotalCashAndDrillingCarryProceeds_lbl" xml:lang="en-US"> Total Cash and Drilling Carry Proceeds </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_DrillingCarriesRemaining" xlink:label="chk_DrillingCarriesRemaining"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_DrillingCarriesRemaining" xlink:to="chk_DrillingCarriesRemaining_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_DrillingCarriesRemaining_lbl" xml:lang="en-US"> Drilling carries remaining </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_DrillingCarriesRemaining_lbl" xml:lang="en-US"> Drilling Carries Remaining </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_PercentageOfReductionInDrillingCarryObligations" xlink:label="chk_PercentageOfReductionInDrillingCarryObligations"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_PercentageOfReductionInDrillingCarryObligations" xlink:to="chk_PercentageOfReductionInDrillingCarryObligations_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_PercentageOfReductionInDrillingCarryObligations_lbl" xml:lang="en-US"> Percentage Of Reduction In Drilling Carry Obligations </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_PercentageOfReductionInDrillingCarryObligations_lbl" xml:lang="en-US"> Percentage Of Reduction In Drilling Carry Obligations </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_PercentageOfReductionInDrillingCarryObligations_lbl" xml:lang="en-US"> Percentage of reduction in drilling carry obligations </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProductiveGasWellsNumberOfWellsGross" xlink:label="us-gaap_ProductiveGasWellsNumberOfWellsGross"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProductiveGasWellsNumberOfWellsGross" xlink:to="us-gaap_ProductiveGasWellsNumberOfWellsGross_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProductiveGasWellsNumberOfWellsGross_lbl" xml:lang="en-US"> Productive Gas Wells, Number of Wells, Gross </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ProductiveGasWellsNumberOfWellsGross_lbl" xml:lang="en-US"> Operated rig count </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CustomerAdvancesAndDeposits" xlink:label="us-gaap_CustomerAdvancesAndDeposits"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CustomerAdvancesAndDeposits" xlink:to="us-gaap_CustomerAdvancesAndDeposits_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CustomerAdvancesAndDeposits_lbl" xml:lang="en-US"> Customer Advances and Deposits </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_CustomerAdvancesAndDeposits_lbl" xml:lang="en-US"> Customer Advances and Deposits, Total </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_CustomerAdvancesAndDeposits_lbl" xml:lang="en-US"> Total amount of drilling carry obligations </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_BilledObligations" xlink:label="chk_BilledObligations"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_BilledObligations" xlink:to="chk_BilledObligations_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_BilledObligations_lbl" xml:lang="en-US"> Billed Obligations </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_BilledObligations_lbl" xml:lang="en-US"> Billed Obligations </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_BilledObligations_lbl" xml:lang="en-US"> Billed obligations </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SignificantSupplyCommitmentRemainingMinimumAmountCommitted" xlink:label="us-gaap_SignificantSupplyCommitmentRemainingMinimumAmountCommitted"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SignificantSupplyCommitmentRemainingMinimumAmountCommitted" xlink:to="us-gaap_SignificantSupplyCommitmentRemainingMinimumAmountCommitted_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SignificantSupplyCommitmentRemainingMinimumAmountCommitted_lbl" xml:lang="en-US"> Supply Commitment, Remaining Minimum Amount Committed </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_SignificantSupplyCommitmentRemainingMinimumAmountCommitted_lbl" xml:lang="en-US"> Remaining carry obligations </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_AndarkoBasinGraniteWashMember" xlink:label="chk_AndarkoBasinGraniteWashMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_AndarkoBasinGraniteWashMember" xlink:to="chk_AndarkoBasinGraniteWashMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_AndarkoBasinGraniteWashMember_lbl" xml:lang="en-US"> Andarko Basin Granite Wash [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_AndarkoBasinGraniteWashMember_lbl" xml:lang="en-US"> Andarko Basin Granite Wash [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_AndarkoBasinGraniteWashMember_lbl" xml:lang="en-US"> Andarko Basin Granite Wash [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_MidContinentJointVentureMember" xlink:label="chk_MidContinentJointVentureMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_MidContinentJointVentureMember" xlink:to="chk_MidContinentJointVentureMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_MidContinentJointVentureMember_lbl" xml:lang="en-US"> Mid-Continent Joint Venture [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_MidContinentJointVentureMember_lbl" xml:lang="en-US"> Mid Continent Joint Venture [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_MidContinentJointVentureMember_lbl" xml:lang="en-US"> Mid-Continent [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_PermianBasinMember" xlink:label="chk_PermianBasinMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_PermianBasinMember" xlink:to="chk_PermianBasinMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_PermianBasinMember_lbl" xml:lang="en-US"> Permian Basin </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_PermianBasinMember_lbl" xml:lang="en-US"> Permian Basin [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_PermianBasinMember_lbl" xml:lang="en-US"> Permian Basin [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_EastTexasAndTexasGulfCoastMember" xlink:label="chk_EastTexasAndTexasGulfCoastMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_EastTexasAndTexasGulfCoastMember" xlink:to="chk_EastTexasAndTexasGulfCoastMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_EastTexasAndTexasGulfCoastMember_lbl" xml:lang="en-US"> East Texas and Texas Gulf Coast </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_EastTexasAndTexasGulfCoastMember_lbl" xml:lang="en-US"> East Texas And Texas Gulf Coast [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_EastTexasAndTexasGulfCoastMember_lbl" xml:lang="en-US"> East Texas And The Texas Gulf Coast [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_SouthTexasMember" xlink:label="chk_SouthTexasMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_SouthTexasMember" xlink:to="chk_SouthTexasMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_SouthTexasMember_lbl" xml:lang="en-US"> Relating to the South Texas region </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_SouthTexasMember_lbl" xml:lang="en-US"> South Texas [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_SouthTexasMember_lbl" xml:lang="en-US"> South Texas [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_AnadarkoAndArkomaBasinsMember" xlink:label="chk_AnadarkoAndArkomaBasinsMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_AnadarkoAndArkomaBasinsMember" xlink:to="chk_AnadarkoAndArkomaBasinsMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_AnadarkoAndArkomaBasinsMember_lbl" xml:lang="en-US"> Relating to the Anadarko and Arkoma Basins segment </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_AnadarkoAndArkomaBasinsMember_lbl" xml:lang="en-US"> Anadarko And Arkoma Basins [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_AnadarkoAndArkomaBasinsMember_lbl" xml:lang="en-US"> Anadarko And Arkoma Basins [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_AnadarkoBasinWoodfordShaleMember" xlink:label="chk_AnadarkoBasinWoodfordShaleMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_AnadarkoBasinWoodfordShaleMember" xlink:to="chk_AnadarkoBasinWoodfordShaleMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_AnadarkoBasinWoodfordShaleMember_lbl" xml:lang="en-US"> Relating to the Anadarko Basin Woodford Shale segment </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_AnadarkoBasinWoodfordShaleMember_lbl" xml:lang="en-US"> Anadarko Basin Woodford Shale [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_AnadarkoBasinWoodfordShaleMember_lbl" xml:lang="en-US"> Anadarko Basin [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_TexasOklahomaAndKansasMember" xlink:label="chk_TexasOklahomaAndKansasMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_TexasOklahomaAndKansasMember" xlink:to="chk_TexasOklahomaAndKansasMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_TexasOklahomaAndKansasMember_lbl" xml:lang="en-US"> Relating to the Texas, Oklahoma, and Kansas segment </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_TexasOklahomaAndKansasMember_lbl" xml:lang="en-US"> Texas Oklahoma And Kansas [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_TexasOklahomaAndKansasMember_lbl" xml:lang="en-US"> Texas, Oklahoma And Kansas [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_KentuckyAndWestVirginiaMember" xlink:label="chk_KentuckyAndWestVirginiaMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_KentuckyAndWestVirginiaMember" xlink:to="chk_KentuckyAndWestVirginiaMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_KentuckyAndWestVirginiaMember_lbl" xml:lang="en-US"> Relating to the Kentucky and West Virginia segment </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_KentuckyAndWestVirginiaMember_lbl" xml:lang="en-US"> Kentucky And West Virginia [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_KentuckyAndWestVirginiaMember_lbl" xml:lang="en-US"> Kentucky And West Virginia [Member] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LongLivedAssetsHeldForSaleProceedsFromSale" xlink:label="us-gaap_LongLivedAssetsHeldForSaleProceedsFromSale"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongLivedAssetsHeldForSaleProceedsFromSale" xlink:to="us-gaap_LongLivedAssetsHeldForSaleProceedsFromSale_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LongLivedAssetsHeldForSaleProceedsFromSale_lbl" xml:lang="en-US"> Proceeds from sale of long-lived producing assets </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LongLivedAssetsHeldForSaleProceedsFromSale_lbl" xml:lang="en-US"> Proceeds </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProvedDevelopedReservesVolume" xlink:label="us-gaap_ProvedDevelopedReservesVolume"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProvedDevelopedReservesVolume" xlink:to="us-gaap_ProvedDevelopedReservesVolume_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProvedDevelopedReservesVolume_lbl" xml:lang="en-US"> Proved Developed Reserves (Volume) </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/netLabel" xlink:label="us-gaap_ProvedDevelopedReservesVolume_lbl" xml:lang="en-US"> Amount covered by qualifying cash flow hedges (in bcfe) </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_ProvedDevelopedReservesVolume_lbl" xml:lang="en-US"> End of period </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_ProvedDevelopedReservesVolume_lbl" xml:lang="en-US"> Beginning of period </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ProvedDevelopedReservesVolume_lbl" xml:lang="en-US"> Proved reserves </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ProvedDevelopedReservesVolume_lbl" xml:lang="en-US"> Proved Reserves (at the time of sale) ( bcfe) </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_LongLivedAssetsHeldForSaleProceedsFromSalePerUnitOfProduction" xlink:label="chk_LongLivedAssetsHeldForSaleProceedsFromSalePerUnitOfProduction"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_LongLivedAssetsHeldForSaleProceedsFromSalePerUnitOfProduction" xlink:to="chk_LongLivedAssetsHeldForSaleProceedsFromSalePerUnitOfProduction_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_LongLivedAssetsHeldForSaleProceedsFromSalePerUnitOfProduction_lbl" xml:lang="en-US"> Long Lived Assets Held for Sale Proceeds from Sale Per Unit of Production </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_LongLivedAssetsHeldForSaleProceedsFromSalePerUnitOfProduction_lbl" xml:lang="en-US"> Long Lived Assets Held For Sale Proceeds From Sale Per Unit Of Production </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_LongLivedAssetsHeldForSaleProceedsFromSalePerUnitOfProduction_lbl" xml:lang="en-US"> Proceeds ($ / mcfe) </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="chk_LongLivedAssetsHeldForSaleProceedsFromSalePerUnitOfProduction_lbl" xml:lang="en-US"> Proceeds from sale of long-lived producing assets, per unit (mcfe) </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_OilAndGasProductionPaymentTermInYears" xlink:label="chk_OilAndGasProductionPaymentTermInYears"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_OilAndGasProductionPaymentTermInYears" xlink:to="chk_OilAndGasProductionPaymentTermInYears_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_OilAndGasProductionPaymentTermInYears_lbl" xml:lang="en-US"> The term of volumetric production payments, stated in years. </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_OilAndGasProductionPaymentTermInYears_lbl" xml:lang="en-US"> Oil and Gas Production Payment, Term In Years </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_OilAndGasProductionPaymentTermInYears_lbl" xml:lang="en-US"> Original Term (years) </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentsTable" xlink:label="us-gaap_ScheduleOfEquityMethodInvestmentsTable"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfEquityMethodInvestmentsTable" xlink:to="us-gaap_ScheduleOfEquityMethodInvestmentsTable_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfEquityMethodInvestmentsTable_lbl" xml:lang="en-US"> Schedule of Equity Method Investments [Table] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/invest/2011/invest-2011-01-31.xsd#invest_InvestmentAxis" xlink:label="invest_InvestmentAxis"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="invest_InvestmentAxis" xlink:to="invest_InvestmentAxis_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="invest_InvestmentAxis_lbl" xml:lang="en-US"> Investment [Axis] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/invest/2011/invest-2011-01-31.xsd#invest_InvestmentDomain" xlink:label="invest_InvestmentDomain"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="invest_InvestmentDomain" xlink:to="invest_InvestmentDomain_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="invest_InvestmentDomain_lbl" xml:lang="en-US"> Investment [Domain] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="invest_InvestmentDomain_lbl" xml:lang="en-US"> Investment [Domain] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_AfterRecapitalizationMember" xlink:label="chk_AfterRecapitalizationMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_AfterRecapitalizationMember" xlink:to="chk_AfterRecapitalizationMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_AfterRecapitalizationMember_lbl" xml:lang="en-US"> After Recapitalization [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_AfterRecapitalizationMember_lbl" xml:lang="en-US"> After Recapitalization [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_AfterRecapitalizationMember_lbl" xml:lang="en-US"> After Recapitalization [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_ChesapeakeMidstreamPartnersLpMember" xlink:label="chk_ChesapeakeMidstreamPartnersLpMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_ChesapeakeMidstreamPartnersLpMember" xlink:to="chk_ChesapeakeMidstreamPartnersLpMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_ChesapeakeMidstreamPartnersLpMember_lbl" xml:lang="en-US"> Chesapeake Midstream Partners LP </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_ChesapeakeMidstreamPartnersLpMember_lbl" xml:lang="en-US"> Chesapeake Midstream Partners Lp [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_ChesapeakeMidstreamPartnersLpMember_lbl" xml:lang="en-US"> Chesapeake Midstream Partners, L.P. [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_FracTechHoldingsLlcMember" xlink:label="chk_FracTechHoldingsLlcMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_FracTechHoldingsLlcMember" xlink:to="chk_FracTechHoldingsLlcMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_FracTechHoldingsLlcMember_lbl" xml:lang="en-US"> Frac Tech Holdings LLC [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_FracTechHoldingsLlcMember_lbl" xml:lang="en-US"> Frac Tech Holdings Llc [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_FracTechHoldingsLlcMember_lbl" xml:lang="en-US"> Frac Tech Holdings, L.L.C. [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_ChaparralEnergyIncMember" xlink:label="chk_ChaparralEnergyIncMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_ChaparralEnergyIncMember" xlink:to="chk_ChaparralEnergyIncMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_ChaparralEnergyIncMember_lbl" xml:lang="en-US"> Chaparral Energy Inc </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_ChaparralEnergyIncMember_lbl" xml:lang="en-US"> Chaparral Energy Inc [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_ChaparralEnergyIncMember_lbl" xml:lang="en-US"> Chaparral Energy, Inc. [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_GastarExplorationLtdMember" xlink:label="chk_GastarExplorationLtdMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_GastarExplorationLtdMember" xlink:to="chk_GastarExplorationLtdMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_GastarExplorationLtdMember_lbl" xml:lang="en-US"> Gastar Exploration Ltd. [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_GastarExplorationLtdMember_lbl" xml:lang="en-US"> Gastar Exploration Ltd [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_GastarExplorationLtdMember_lbl" xml:lang="en-US"> Gastar Exploration Ltd. [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_UticaEastOhioMidstreamLlcMember" xlink:label="chk_UticaEastOhioMidstreamLlcMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_UticaEastOhioMidstreamLlcMember" xlink:to="chk_UticaEastOhioMidstreamLlcMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_UticaEastOhioMidstreamLlcMember_lbl" xml:lang="en-US"> Utica East Ohio Midstream LLC [Member]. </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_UticaEastOhioMidstreamLlcMember_lbl" xml:lang="en-US"> Utica East Ohio Midstream Llc [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_UticaEastOhioMidstreamLlcMember_lbl" xml:lang="en-US"> Utica East Ohio Midstream LLC [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_RanchWestexMember" xlink:label="chk_RanchWestexMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_RanchWestexMember" xlink:to="chk_RanchWestexMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_RanchWestexMember_lbl" xml:lang="en-US"> Ranch Westex [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_RanchWestexMember_lbl" xml:lang="en-US"> Ranch Westex [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_RanchWestexMember_lbl" xml:lang="en-US"> Ranch Westex [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_TwinEagleResourceManagementLlcMember" xlink:label="chk_TwinEagleResourceManagementLlcMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_TwinEagleResourceManagementLlcMember" xlink:to="chk_TwinEagleResourceManagementLlcMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_TwinEagleResourceManagementLlcMember_lbl" xml:lang="en-US"> Twin Eagle Resource Management LLC [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_TwinEagleResourceManagementLlcMember_lbl" xml:lang="en-US"> Twin Eagle Resource Management Llc [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_TwinEagleResourceManagementLlcMember_lbl" xml:lang="en-US"> Twin Eagle Resource Management LLC [Member] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LimitedPartnerMember" xlink:label="us-gaap_LimitedPartnerMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LimitedPartnerMember" xlink:to="us-gaap_LimitedPartnerMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LimitedPartnerMember_lbl" xml:lang="en-US"> Limited Partner [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LimitedPartnerMember_lbl" xml:lang="en-US"> Limited Partner [Member] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_GeneralPartnerMember" xlink:label="us-gaap_GeneralPartnerMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GeneralPartnerMember" xlink:to="us-gaap_GeneralPartnerMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_GeneralPartnerMember_lbl" xml:lang="en-US"> General Partner [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_GeneralPartnerMember_lbl" xml:lang="en-US"> General Partner [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_PublicSecurityHoldersMember" xlink:label="chk_PublicSecurityHoldersMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_PublicSecurityHoldersMember" xlink:to="chk_PublicSecurityHoldersMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_PublicSecurityHoldersMember_lbl" xml:lang="en-US"> Public Security Holders [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_PublicSecurityHoldersMember_lbl" xml:lang="en-US"> Public Security Holders [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_PublicSecurityHoldersMember_lbl" xml:lang="en-US"> Public Security Holders [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_ChesapeakeMember" xlink:label="chk_ChesapeakeMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_ChesapeakeMember" xlink:to="chk_ChesapeakeMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_ChesapeakeMember_lbl" xml:lang="en-US"> Chesapeake [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_ChesapeakeMember_lbl" xml:lang="en-US"> Chesapeake [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_ChesapeakeMember_lbl" xml:lang="en-US"> Chesapeake [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_GipMember" xlink:label="chk_GipMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_GipMember" xlink:to="chk_GipMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_GipMember_lbl" xml:lang="en-US"> GIP [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_GipMember_lbl" xml:lang="en-US"> Gip [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_GipMember_lbl" xml:lang="en-US"> GIP [Member] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentsLineItems" xlink:label="us-gaap_ScheduleOfEquityMethodInvestmentsLineItems"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfEquityMethodInvestmentsLineItems" xlink:to="us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_lbl" xml:lang="en-US"> Schedule of Equity Method Investments [Line Items] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LimitedLiabilityCompanyLLCOrLimitedPartnershipLPManagingMemberOrGeneralPartnerOwnershipInterest" xlink:label="us-gaap_LimitedLiabilityCompanyLLCOrLimitedPartnershipLPManagingMemberOrGeneralPartnerOwnershipInterest"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LimitedLiabilityCompanyLLCOrLimitedPartnershipLPManagingMemberOrGeneralPartnerOwnershipInterest" xlink:to="us-gaap_LimitedLiabilityCompanyLLCOrLimitedPartnershipLPManagingMemberOrGeneralPartnerOwnershipInterest_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LimitedLiabilityCompanyLLCOrLimitedPartnershipLPManagingMemberOrGeneralPartnerOwnershipInterest_lbl" xml:lang="en-US"> Limited Liability Company (LLC) or Limited Partnership (LP), Managing Member or General Partner, Ownership Interest </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LimitedLiabilityCompanyLLCOrLimitedPartnershipLPManagingMemberOrGeneralPartnerOwnershipInterest_lbl" xml:lang="en-US"> Chesapeake Midstream Partners, L.P., ownership structure </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_EquityMethodInvestmentAdjustments" xlink:label="chk_EquityMethodInvestmentAdjustments"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_EquityMethodInvestmentAdjustments" xlink:to="chk_EquityMethodInvestmentAdjustments_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_EquityMethodInvestmentAdjustments_lbl" xml:lang="en-US"> Equity Method Investment Adjustments </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_EquityMethodInvestmentAdjustments_lbl" xml:lang="en-US"> Equity method investment adjustments </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_EquityMethodInvestmentAdjustments_lbl" xml:lang="en-US"> Positive equity method adjustments </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_DistributionsFromEquityInvestments" xlink:label="chk_DistributionsFromEquityInvestments"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_DistributionsFromEquityInvestments" xlink:to="chk_DistributionsFromEquityInvestments_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_DistributionsFromEquityInvestments_lbl" xml:lang="en-US"> Distributions From Equity Investments </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_DistributionsFromEquityInvestments_lbl" xml:lang="en-US"> Distributions From Equity Investments </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_DistributionsFromEquityInvestments_lbl" xml:lang="en-US"> Cash distribution from the equity investment </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_AccretionAdjustmentsOfEquityMethodInvestment" xlink:label="chk_AccretionAdjustmentsOfEquityMethodInvestment"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_AccretionAdjustmentsOfEquityMethodInvestment" xlink:to="chk_AccretionAdjustmentsOfEquityMethodInvestment_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_AccretionAdjustmentsOfEquityMethodInvestment_lbl" xml:lang="en-US"> Accretion Adjustments of Equity Method Investment </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_AccretionAdjustmentsOfEquityMethodInvestment_lbl" xml:lang="en-US"> Accretion Adjustments of Equity Method Investment </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_AccretionAdjustmentsOfEquityMethodInvestment_lbl" xml:lang="en-US"> Equity method accretion adjustments </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EquityMethodInvestmentDifferenceBetweenCarryingAmountAndUnderlyingEquity" xlink:label="us-gaap_EquityMethodInvestmentDifferenceBetweenCarryingAmountAndUnderlyingEquity"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EquityMethodInvestmentDifferenceBetweenCarryingAmountAndUnderlyingEquity" xlink:to="us-gaap_EquityMethodInvestmentDifferenceBetweenCarryingAmountAndUnderlyingEquity_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EquityMethodInvestmentDifferenceBetweenCarryingAmountAndUnderlyingEquity_lbl" xml:lang="en-US"> Excess carrying value of investment over underlying equity in net assets </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_EquityMethodInvestmentDifferenceBetweenCarryingAmountAndUnderlyingEquity_lbl" xml:lang="en-US"> Equity Method Investment, Difference Between Carrying Amount and Underlying Equity, Total </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentInterestRateAtPeriodEnd" xlink:label="us-gaap_DebtInstrumentInterestRateAtPeriodEnd"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentInterestRateAtPeriodEnd" xlink:to="us-gaap_DebtInstrumentInterestRateAtPeriodEnd_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtInstrumentInterestRateAtPeriodEnd_lbl" xml:lang="en-US"> Debt Instrument, Interest Rate at Period End </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_DebtInstrumentInterestRateAtPeriodEnd_lbl" xml:lang="en-US"> Annual interest rate on notes </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InvestmentOwnedBalanceShares" xlink:label="us-gaap_InvestmentOwnedBalanceShares"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InvestmentOwnedBalanceShares" xlink:to="us-gaap_InvestmentOwnedBalanceShares_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InvestmentOwnedBalanceShares_lbl" xml:lang="en-US"> Investment Owned, Balance, Shares </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_InvestmentOwnedBalanceShares_lbl" xml:lang="en-US"> Shares purchased </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InvestmentOwnedAtCost" xlink:label="us-gaap_InvestmentOwnedAtCost"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InvestmentOwnedAtCost" xlink:to="us-gaap_InvestmentOwnedAtCost_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InvestmentOwnedAtCost_lbl" xml:lang="en-US"> Investment Owned, at Cost </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_InvestmentOwnedAtCost_lbl" xml:lang="en-US"> Cost of investment </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_AccretionPeriodOfEquityMethodInvestmentDifferenceBetweenCarryingAmountAndUnderlyingEquity" xlink:label="chk_AccretionPeriodOfEquityMethodInvestmentDifferenceBetweenCarryingAmountAndUnderlyingEquity"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_AccretionPeriodOfEquityMethodInvestmentDifferenceBetweenCarryingAmountAndUnderlyingEquity" xlink:to="chk_AccretionPeriodOfEquityMethodInvestmentDifferenceBetweenCarryingAmountAndUnderlyingEquity_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_AccretionPeriodOfEquityMethodInvestmentDifferenceBetweenCarryingAmountAndUnderlyingEquity_lbl" xml:lang="en-US"> Accretion Period of Equity Method Investment, Difference Between Carrying Amount and Underlying Equity </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_AccretionPeriodOfEquityMethodInvestmentDifferenceBetweenCarryingAmountAndUnderlyingEquity_lbl" xml:lang="en-US"> Accretion Period Of Equity Method Investment Difference Between Carrying Amount And Underlying Equity </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_AccretionPeriodOfEquityMethodInvestmentDifferenceBetweenCarryingAmountAndUnderlyingEquity_lbl" xml:lang="en-US"> Accretion period for the difference between the carrying value of our investment in CMP and the underlying equity in net assets (in years) </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_ExpectedProductionOfGallonsOfGasolineFromNaturalGasAndWasteCellulosic" xlink:label="chk_ExpectedProductionOfGallonsOfGasolineFromNaturalGasAndWasteCellulosic"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_ExpectedProductionOfGallonsOfGasolineFromNaturalGasAndWasteCellulosic" xlink:to="chk_ExpectedProductionOfGallonsOfGasolineFromNaturalGasAndWasteCellulosic_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_ExpectedProductionOfGallonsOfGasolineFromNaturalGasAndWasteCellulosic_lbl" xml:lang="en-US"> Expected Production Of Gallons Of Gasoline From Natural Gas And Waste Cellulosic </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_ExpectedProductionOfGallonsOfGasolineFromNaturalGasAndWasteCellulosic_lbl" xml:lang="en-US"> Expected Production Of Gallons Of Gasoline From Natural Gas And Waste Cellulosic </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_ExpectedProductionOfGallonsOfGasolineFromNaturalGasAndWasteCellulosic_lbl" xml:lang="en-US"> Expected production of gallons of gasoline from natural gas and waste cellulosic </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_InvestmentInPreferredStockFirstTranche" xlink:label="chk_InvestmentInPreferredStockFirstTranche"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_InvestmentInPreferredStockFirstTranche" xlink:to="chk_InvestmentInPreferredStockFirstTranche_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_InvestmentInPreferredStockFirstTranche_lbl" xml:lang="en-US"> Investment In Preferred Stock First Tranche </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_InvestmentInPreferredStockFirstTranche_lbl" xml:lang="en-US"> Investment In Preferred Stock First Tranche </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_InvestmentInPreferredStockFirstTranche_lbl" xml:lang="en-US"> Investment in preferred stock first tranche </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_DepreciationAdjustmentOfEquityMethodInvestmentForOurCostInExcessOfEquity" xlink:label="chk_DepreciationAdjustmentOfEquityMethodInvestmentForOurCostInExcessOfEquity"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_DepreciationAdjustmentOfEquityMethodInvestmentForOurCostInExcessOfEquity" xlink:to="chk_DepreciationAdjustmentOfEquityMethodInvestmentForOurCostInExcessOfEquity_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_DepreciationAdjustmentOfEquityMethodInvestmentForOurCostInExcessOfEquity_lbl" xml:lang="en-US"> Depreciation adjustment of equity method investment for our cost in excess of equity </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_DepreciationAdjustmentOfEquityMethodInvestmentForOurCostInExcessOfEquity_lbl" xml:lang="en-US"> Depreciation adjustment of equity method investment for our cost in excess of equity </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_DepreciationAdjustmentOfEquityMethodInvestmentForOurCostInExcessOfEquity_lbl" xml:lang="en-US"> Equity method depreciation adjustments </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EquityMethodInvestmentAggregateCost" xlink:label="us-gaap_EquityMethodInvestmentAggregateCost"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EquityMethodInvestmentAggregateCost" xlink:to="us-gaap_EquityMethodInvestmentAggregateCost_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EquityMethodInvestmentAggregateCost_lbl" xml:lang="en-US"> Equity Method Investment, Aggregate Cost </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_EquityMethodInvestmentAggregateCost_lbl" xml:lang="en-US"> Equity method investment </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_EquityMethodInvestmentCharge" xlink:label="chk_EquityMethodInvestmentCharge"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_EquityMethodInvestmentCharge" xlink:to="chk_EquityMethodInvestmentCharge_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_EquityMethodInvestmentCharge_lbl" xml:lang="en-US"> Equity Method Investment Charge </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_EquityMethodInvestmentCharge_lbl" xml:lang="en-US"> Equity Method Investment Charge </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_EquityMethodInvestmentCharge_lbl" xml:lang="en-US"> Charge related to net loss </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_EquityMethodInvestmentCarryingValue" xlink:label="chk_EquityMethodInvestmentCarryingValue"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_EquityMethodInvestmentCarryingValue" xlink:to="chk_EquityMethodInvestmentCarryingValue_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_EquityMethodInvestmentCarryingValue_lbl" xml:lang="en-US"> Equity Method Investment Carrying Value </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_EquityMethodInvestmentCarryingValue_lbl" xml:lang="en-US"> Equity Method Investment Carrying Value </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_EquityMethodInvestmentCarryingValue_lbl" xml:lang="en-US"> Carrying value </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_MaximumCommonStockPricePerShare" xlink:label="chk_MaximumCommonStockPricePerShare"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_MaximumCommonStockPricePerShare" xlink:to="chk_MaximumCommonStockPricePerShare_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_MaximumCommonStockPricePerShare_lbl" xml:lang="en-US"> Maximum Common stock Price Per Share </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_MaximumCommonStockPricePerShare_lbl" xml:lang="en-US"> Maximum common stock price per share </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_MinimumCommonStockPricePerShare" xlink:label="chk_MinimumCommonStockPricePerShare"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_MinimumCommonStockPricePerShare" xlink:to="chk_MinimumCommonStockPricePerShare_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_MinimumCommonStockPricePerShare_lbl" xml:lang="en-US"> Minimum Common Stock Price Per Share </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_MinimumCommonStockPricePerShare_lbl" xml:lang="en-US"> Minimum common stock price per share </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EquityMethodInvestmentOwnershipPercentage" xlink:label="us-gaap_EquityMethodInvestmentOwnershipPercentage"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EquityMethodInvestmentOwnershipPercentage" xlink:to="us-gaap_EquityMethodInvestmentOwnershipPercentage_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EquityMethodInvestmentOwnershipPercentage_lbl" xml:lang="en-US"> Equity method percentage approximate owned </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_EquityMethodInvestmentOwnershipPercentage_lbl" xml:lang="en-US"> Partnership interest remaining </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_EquityMethodInvestmentOwnershipPercentage_lbl" xml:lang="en-US"> Percentage of ownership interest in affiliate </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionCostOfAcquiredEntityCashPaid" xlink:label="us-gaap_BusinessAcquisitionCostOfAcquiredEntityCashPaid"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessAcquisitionCostOfAcquiredEntityCashPaid" xlink:to="us-gaap_BusinessAcquisitionCostOfAcquiredEntityCashPaid_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BusinessAcquisitionCostOfAcquiredEntityCashPaid_lbl" xml:lang="en-US"> Business Acquisition, Cost of Acquired Entity, Cash Paid </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_BusinessAcquisitionCostOfAcquiredEntityCashPaid_lbl" xml:lang="en-US"> Cash paid for acquisition </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_BusinessAcquisitionCostOfAcquiredEntityCashPaid_lbl" xml:lang="en-US"> Cash contribution </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired" xlink:label="us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired" xlink:to="us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired_lbl" xml:lang="en-US"> Business Acquisition, Percentage of Voting Interests Acquired </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired_lbl" xml:lang="en-US"> Percentage of ownership acquired </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_InvestmentTotalCommitment" xlink:label="chk_InvestmentTotalCommitment"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_InvestmentTotalCommitment" xlink:to="chk_InvestmentTotalCommitment_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_InvestmentTotalCommitment_lbl" xml:lang="en-US"> Investment total commitment </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_InvestmentTotalCommitment_lbl" xml:lang="en-US"> Investment total commitment </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_InvestmentTotalCommitment_lbl" xml:lang="en-US"> Investment total commitment </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_CurrentFundingAmountOfInvestment" xlink:label="chk_CurrentFundingAmountOfInvestment"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_CurrentFundingAmountOfInvestment" xlink:to="chk_CurrentFundingAmountOfInvestment_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_CurrentFundingAmountOfInvestment_lbl" xml:lang="en-US"> Current funding amount of investment </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_CurrentFundingAmountOfInvestment_lbl" xml:lang="en-US"> Current funding amount of investment </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_CurrentFundingAmountOfInvestment_lbl" xml:lang="en-US"> Current funding amount of investment </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_FracTechInternationalLlcMember" xlink:label="chk_FracTechInternationalLlcMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_FracTechInternationalLlcMember" xlink:to="chk_FracTechInternationalLlcMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_FracTechInternationalLlcMember_lbl" xml:lang="en-US"> Frac Tech International LLC [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_FracTechInternationalLlcMember_lbl" xml:lang="en-US"> Frac Tech International Llc [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_FracTechInternationalLlcMember_lbl" xml:lang="en-US"> FTS International, LLC [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_TwinEagleResourcesManagementLlcMember" xlink:label="chk_TwinEagleResourcesManagementLlcMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_TwinEagleResourcesManagementLlcMember" xlink:to="chk_TwinEagleResourcesManagementLlcMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_TwinEagleResourcesManagementLlcMember_lbl" xml:lang="en-US"> Twin Eagle Resources Management, LLC [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_TwinEagleResourcesManagementLlcMember_lbl" xml:lang="en-US"> Twin Eagle Resources Management Llc [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_TwinEagleResourcesManagementLlcMember_lbl" xml:lang="en-US"> Twin Eagle Resources Management, LLC [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_RanchWestexJvLlcMember" xlink:label="chk_RanchWestexJvLlcMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_RanchWestexJvLlcMember" xlink:to="chk_RanchWestexJvLlcMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_RanchWestexJvLlcMember_lbl" xml:lang="en-US"> Ranch Westex JV, LLC [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_RanchWestexJvLlcMember_lbl" xml:lang="en-US"> Ranch Westex Jv Llc [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_RanchWestexJvLlcMember_lbl" xml:lang="en-US"> Ranch Westex JV, LLC [Member] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherInvestmentCompaniesMember" xlink:label="us-gaap_OtherInvestmentCompaniesMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherInvestmentCompaniesMember" xlink:to="us-gaap_OtherInvestmentCompaniesMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherInvestmentCompaniesMember_lbl" xml:lang="en-US"> Other Investment Companies [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OtherInvestmentCompaniesMember_lbl" xml:lang="en-US"> Other Investments [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_CostMethodInvestmentOwnershipPercentage" xlink:label="chk_CostMethodInvestmentOwnershipPercentage"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_CostMethodInvestmentOwnershipPercentage" xlink:to="chk_CostMethodInvestmentOwnershipPercentage_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_CostMethodInvestmentOwnershipPercentage_lbl" xml:lang="en-US"> Cost Method Investment, Ownership Percentage </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_CostMethodInvestmentOwnershipPercentage_lbl" xml:lang="en-US"> Cost Method Investment, Ownership Percentage </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_CostMethodInvestmentOwnershipPercentage_lbl" xml:lang="en-US"> Cost method percentage approximate owned </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_FairValueMethodInvestmentOwnershipPercentage" xlink:label="chk_FairValueMethodInvestmentOwnershipPercentage"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_FairValueMethodInvestmentOwnershipPercentage" xlink:to="chk_FairValueMethodInvestmentOwnershipPercentage_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_FairValueMethodInvestmentOwnershipPercentage_lbl" xml:lang="en-US"> Fair Value Method Investment Ownership Percentage </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_FairValueMethodInvestmentOwnershipPercentage_lbl" xml:lang="en-US"> Fair Value Method Investment Ownership Percentage </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_FairValueMethodInvestmentOwnershipPercentage_lbl" xml:lang="en-US"> Fair value method percentage approximate owned </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EquityMethodInvestments" xlink:label="us-gaap_EquityMethodInvestments"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EquityMethodInvestments" xlink:to="us-gaap_EquityMethodInvestments_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EquityMethodInvestments_lbl" xml:lang="en-US"> Equity Method Carrying Value </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/netLabel" xlink:label="us-gaap_EquityMethodInvestments_lbl" xml:lang="en-US"> Ownership interest </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_EquityMethodInvestments_lbl" xml:lang="en-US"> Investments accounted for under the equity method </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_EquityMethodInvestments_lbl" xml:lang="en-US"> Equity method carrying value </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CostMethodInvestments" xlink:label="us-gaap_CostMethodInvestments"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CostMethodInvestments" xlink:to="us-gaap_CostMethodInvestments_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CostMethodInvestments_lbl" xml:lang="en-US"> Cost Method Carrying Value </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CostMethodInvestments_lbl" xml:lang="en-US"> Investments accounted for under the cost method </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_CostMethodInvestments_lbl" xml:lang="en-US"> Investment in Gastar, cost basis </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_FairValueMethodInvestments" xlink:label="chk_FairValueMethodInvestments"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_FairValueMethodInvestments" xlink:to="chk_FairValueMethodInvestments_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_FairValueMethodInvestments_lbl" xml:lang="en-US"> Fair Value Method Investments </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_FairValueMethodInvestments_lbl" xml:lang="en-US"> Fair Value Method Investments </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_FairValueMethodInvestments_lbl" xml:lang="en-US"> Investments accounted for under the fair value method </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures" xlink:label="us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures" xlink:to="us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures_lbl" xml:lang="en-US"> Investments in subsidiaries and intercompany advance </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures_lbl" xml:lang="en-US"> Investments in subsidiaries and intercompany advances </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures_lbl" xml:lang="en-US"> Investments in subsidiaries and intercompany advance </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfVariableInterestEntitiesTable" xlink:label="us-gaap_ScheduleOfVariableInterestEntitiesTable"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfVariableInterestEntitiesTable" xlink:to="us-gaap_ScheduleOfVariableInterestEntitiesTable_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfVariableInterestEntitiesTable_lbl" xml:lang="en-US"> Schedule of Variable Interest Entities [Table] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_SubordinatedUnitMember" xlink:label="chk_SubordinatedUnitMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_SubordinatedUnitMember" xlink:to="chk_SubordinatedUnitMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_SubordinatedUnitMember_lbl" xml:lang="en-US"> Subordinated Unit [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_SubordinatedUnitMember_lbl" xml:lang="en-US"> Subordinated Unit [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_SubordinatedUnitMember_lbl" xml:lang="en-US"> Subordinated Unit [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_CardinalGasServicesLlcMember" xlink:label="chk_CardinalGasServicesLlcMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_CardinalGasServicesLlcMember" xlink:to="chk_CardinalGasServicesLlcMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_CardinalGasServicesLlcMember_lbl" xml:lang="en-US"> Cardinal Gas Services LLC [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_CardinalGasServicesLlcMember_lbl" xml:lang="en-US"> Cardinal Gas Services Llc [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_CardinalGasServicesLlcMember_lbl" xml:lang="en-US"> Cardinal Gas Services LLC [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_UticaEastOhioMidstreamLLCMember" xlink:label="chk_UticaEastOhioMidstreamLLCMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_UticaEastOhioMidstreamLLCMember" xlink:to="chk_UticaEastOhioMidstreamLLCMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_UticaEastOhioMidstreamLLCMember_lbl" xml:lang="en-US"> Utica East Ohio Midstream L.L.C [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_UticaEastOhioMidstreamLLCMember_lbl" xml:lang="en-US"> Utica East Ohio Midstream L L C [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_UticaEastOhioMidstreamLLCMember_lbl" xml:lang="en-US"> Utica East Ohio Midstream L.L.C [Member] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_VariableInterestEntityLineItems" xlink:label="us-gaap_VariableInterestEntityLineItems"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_VariableInterestEntityLineItems" xlink:to="us-gaap_VariableInterestEntityLineItems_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_VariableInterestEntityLineItems_lbl" xml:lang="en-US"> Variable Interest Entity [Line Items] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_VariableInterestEntityConsolidatedCarryingAmountAssets" xlink:label="us-gaap_VariableInterestEntityConsolidatedCarryingAmountAssets"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_VariableInterestEntityConsolidatedCarryingAmountAssets" xlink:to="us-gaap_VariableInterestEntityConsolidatedCarryingAmountAssets_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_VariableInterestEntityConsolidatedCarryingAmountAssets_lbl" xml:lang="en-US"> Variable Interest Entity, Consolidated, Carrying Amount, Assets </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_VariableInterestEntityConsolidatedCarryingAmountAssets_lbl" xml:lang="en-US"> Consolidation net oil and gas property assets </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_VariableInterestEntityConsolidatedCarryingAmountCurrentLiabilities" xlink:label="chk_VariableInterestEntityConsolidatedCarryingAmountCurrentLiabilities"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_VariableInterestEntityConsolidatedCarryingAmountCurrentLiabilities" xlink:to="chk_VariableInterestEntityConsolidatedCarryingAmountCurrentLiabilities_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_VariableInterestEntityConsolidatedCarryingAmountCurrentLiabilities_lbl" xml:lang="en-US"> Variable Interest Entity Consolidated Carrying Amount Current Liabilities </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_VariableInterestEntityConsolidatedCarryingAmountCurrentLiabilities_lbl" xml:lang="en-US"> Variable Interest Entity Consolidated Carrying Amount Current Liabilities </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_VariableInterestEntityConsolidatedCarryingAmountCurrentLiabilities_lbl" xml:lang="en-US"> Consolidated current liabilities </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_VariableInterestEntityConsolidatedCarryingAmountLongTermLiabilities" xlink:label="chk_VariableInterestEntityConsolidatedCarryingAmountLongTermLiabilities"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_VariableInterestEntityConsolidatedCarryingAmountLongTermLiabilities" xlink:to="chk_VariableInterestEntityConsolidatedCarryingAmountLongTermLiabilities_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_VariableInterestEntityConsolidatedCarryingAmountLongTermLiabilities_lbl" xml:lang="en-US"> Variable Interest Entity Consolidated Carrying Amount Long-Term Liabilities. </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_VariableInterestEntityConsolidatedCarryingAmountLongTermLiabilities_lbl" xml:lang="en-US"> Variable Interest Entity Consolidated Carrying Amount Long-Term Liabilities </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_VariableInterestEntityConsolidatedCarryingAmountLongTermLiabilities_lbl" xml:lang="en-US"> Consolidated long-term liabilities </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_VariableInterestEntityConsolidatedCarryingAmountCashAndCashEquivalents" xlink:label="chk_VariableInterestEntityConsolidatedCarryingAmountCashAndCashEquivalents"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_VariableInterestEntityConsolidatedCarryingAmountCashAndCashEquivalents" xlink:to="chk_VariableInterestEntityConsolidatedCarryingAmountCashAndCashEquivalents_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_VariableInterestEntityConsolidatedCarryingAmountCashAndCashEquivalents_lbl" xml:lang="en-US"> Variable Interest Entity Consolidated Carrying Amount Cash And Cash Equivalents </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_VariableInterestEntityConsolidatedCarryingAmountCashAndCashEquivalents_lbl" xml:lang="en-US"> Variable Interest Entity Consolidated Carrying Amount Cash And Cash Equivalents </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_VariableInterestEntityConsolidatedCarryingAmountCashAndCashEquivalents_lbl" xml:lang="en-US"> Consolidated cash and cash equivalents </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_VariableInterestEntityOwnershipPercentage" xlink:label="us-gaap_VariableInterestEntityOwnershipPercentage"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_VariableInterestEntityOwnershipPercentage" xlink:to="us-gaap_VariableInterestEntityOwnershipPercentage_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_VariableInterestEntityOwnershipPercentage_lbl" xml:lang="en-US"> Variable Interest Entity, Qualitative or Quantitative Information, Ownership Percentage </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_VariableInterestEntityOwnershipPercentage_lbl" xml:lang="en-US"> Ownership interest </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommonStockDividendsPerShareCashPaid" xlink:label="us-gaap_CommonStockDividendsPerShareCashPaid"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockDividendsPerShareCashPaid" xlink:to="us-gaap_CommonStockDividendsPerShareCashPaid_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommonStockDividendsPerShareCashPaid_lbl" xml:lang="en-US"> Common Stock, Dividends, Per Share, Cash Paid </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CommonStockDividendsPerShareCashPaid_lbl" xml:lang="en-US"> Cash dividends paid in subordination period, minimum </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_MinimumPercentageEarnedAndPaidInPartnershipAgreementSubordinationPeriodWillTerminate" xlink:label="chk_MinimumPercentageEarnedAndPaidInPartnershipAgreementSubordinationPeriodWillTerminate"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_MinimumPercentageEarnedAndPaidInPartnershipAgreementSubordinationPeriodWillTerminate" xlink:to="chk_MinimumPercentageEarnedAndPaidInPartnershipAgreementSubordinationPeriodWillTerminate_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_MinimumPercentageEarnedAndPaidInPartnershipAgreementSubordinationPeriodWillTerminate_lbl" xml:lang="en-US"> Minimum percentage , earned and paid in partnership agreement subordination period will terminate </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_MinimumPercentageEarnedAndPaidInPartnershipAgreementSubordinationPeriodWillTerminate_lbl" xml:lang="en-US"> Minimum Percentage , Earned And Paid In Partnership Agreement Subordination Period Will Terminate </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_MinimumPercentageEarnedAndPaidInPartnershipAgreementSubordinationPeriodWillTerminate_lbl" xml:lang="en-US"> Minimum percentage, earned and paid in partnership agreement </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_FairValueOfAssetsAndLiabilitiesStatementTable" xlink:label="chk_FairValueOfAssetsAndLiabilitiesStatementTable"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_FairValueOfAssetsAndLiabilitiesStatementTable" xlink:to="chk_FairValueOfAssetsAndLiabilitiesStatementTable_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_FairValueOfAssetsAndLiabilitiesStatementTable_lbl" xml:lang="en-US"> Fair Value of Assets and Liabilities Statement [Table] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_FairValueOfAssetsAndLiabilitiesStatementTable_lbl" xml:lang="en-US"> Fair Value of Assets and Liabilities Statement [Table] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisAxis" xlink:label="chk_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisAxis"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisAxis" xlink:to="chk_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisAxis_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisAxis_lbl" xml:lang="en-US"> Fair Value Assets And Liabilities Measured On A Recurring Basis [Axis] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisAxis_lbl" xml:lang="en-US"> Fair Value Assets And Liabilities Measured On A Recurring Basis [Axis] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisDomain" xlink:label="chk_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisDomain"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisDomain" xlink:to="chk_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisDomain_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisDomain_lbl" xml:lang="en-US"> Fair Value Assets And Liabilities Measured On A Recurring Basis [Domain] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisDomain_lbl" xml:lang="en-US"> Fair Value Assets And Liabilities Measured On Recurring Basis [Domain] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisDomain_lbl" xml:lang="en-US"> Fair Value Assets And Liabilities Measured On A Recurring Basis [Domain] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueInputsLevel1Member" xlink:label="us-gaap_FairValueInputsLevel1Member"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueInputsLevel1Member" xlink:to="us-gaap_FairValueInputsLevel1Member_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueInputsLevel1Member_lbl" xml:lang="en-US"> Fair Value Inputs Level1 [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_FairValueInputsLevel1Member_lbl" xml:lang="en-US"> Quoted Prices In Active Markets (Level 1) [Member] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueInputsLevel2Member" xlink:label="us-gaap_FairValueInputsLevel2Member"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueInputsLevel2Member" xlink:to="us-gaap_FairValueInputsLevel2Member_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueInputsLevel2Member_lbl" xml:lang="en-US"> Fair Value Inputs Level2 [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_FairValueInputsLevel2Member_lbl" xml:lang="en-US"> Significant Other Observable Inputs (Level 2) [Member] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueInputsLevel3Member" xlink:label="us-gaap_FairValueInputsLevel3Member"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueInputsLevel3Member" xlink:to="us-gaap_FairValueInputsLevel3Member_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueInputsLevel3Member_lbl" xml:lang="en-US"> Fair Value Inputs Level3 [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_FairValueInputsLevel3Member_lbl" xml:lang="en-US"> Significant Unobservable Inputs (Level 3) [Member] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_TradingActivityByTypeAxis" xlink:label="us-gaap_TradingActivityByTypeAxis"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TradingActivityByTypeAxis" xlink:to="us-gaap_TradingActivityByTypeAxis_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_TradingActivityByTypeAxis_lbl" xml:lang="en-US"> Trading Activity, by Type [Axis] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_TradingActivityByTypeDomain" xlink:label="us-gaap_TradingActivityByTypeDomain"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TradingActivityByTypeDomain" xlink:to="us-gaap_TradingActivityByTypeDomain_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_TradingActivityByTypeDomain_lbl" xml:lang="en-US"> Trading Activity By Type [Domain] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_TradingActivityByTypeDomain_lbl" xml:lang="en-US"> Trading Activity, by Type [Domain] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_EquityLiabilitiesContractsMember" xlink:label="chk_EquityLiabilitiesContractsMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_EquityLiabilitiesContractsMember" xlink:to="chk_EquityLiabilitiesContractsMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_EquityLiabilitiesContractsMember_lbl" xml:lang="en-US"> Equity Liabilities Contracts [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_EquityLiabilitiesContractsMember_lbl" xml:lang="en-US"> Equity Liabilities Contracts [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_EquityLiabilitiesContractsMember_lbl" xml:lang="en-US"> Equity Liabilities Contracts [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_FairValueOfAssetsAndLiabilitiesStatementLineItems" xlink:label="chk_FairValueOfAssetsAndLiabilitiesStatementLineItems"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_FairValueOfAssetsAndLiabilitiesStatementLineItems" xlink:to="chk_FairValueOfAssetsAndLiabilitiesStatementLineItems_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_FairValueOfAssetsAndLiabilitiesStatementLineItems_lbl" xml:lang="en-US"> Fair Value of Assets and Liabilities Statement </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_FairValueOfAssetsAndLiabilitiesStatementLineItems_lbl" xml:lang="en-US"> Fair Value of Assets and Liabilities Statement [Line Items] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisAbstract" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisAbstract"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisAbstract" xlink:to="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisAbstract_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisAbstract_lbl" xml:lang="en-US"> Financial Assets (Liabilities): [Line Items] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CashAndCashEquivalentsFairValueDisclosure" xlink:label="us-gaap_CashAndCashEquivalentsFairValueDisclosure"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashAndCashEquivalentsFairValueDisclosure" xlink:to="us-gaap_CashAndCashEquivalentsFairValueDisclosure_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CashAndCashEquivalentsFairValueDisclosure_lbl" xml:lang="en-US"> Cash equivalents </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_CashAndCashEquivalentsFairValueDisclosure_lbl" xml:lang="en-US"> Cash equivalents </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InvestmentsFairValueDisclosure" xlink:label="us-gaap_InvestmentsFairValueDisclosure"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InvestmentsFairValueDisclosure" xlink:to="us-gaap_InvestmentsFairValueDisclosure_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InvestmentsFairValueDisclosure_lbl" xml:lang="en-US"> Fair Value, Measured on Recurring Basis, Investments </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_InvestmentsFairValueDisclosure_lbl" xml:lang="en-US"> Investments </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_FairValueAssetsMeasuredOnRecurringBasisOtherAssets" xlink:label="chk_FairValueAssetsMeasuredOnRecurringBasisOtherAssets"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_FairValueAssetsMeasuredOnRecurringBasisOtherAssets" xlink:to="chk_FairValueAssetsMeasuredOnRecurringBasisOtherAssets_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_FairValueAssetsMeasuredOnRecurringBasisOtherAssets_lbl" xml:lang="en-US"> Fair Value, Assets Measured on Recurring Basis, Other Assets </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_FairValueAssetsMeasuredOnRecurringBasisOtherAssets_lbl" xml:lang="en-US"> Fair Value Assets Measured On Recurring Basis Other Assets </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_FairValueAssetsMeasuredOnRecurringBasisOtherAssets_lbl" xml:lang="en-US"> Other long-term assets </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisObligations" xlink:label="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisObligations"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisObligations" xlink:to="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisObligations_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisObligations_lbl" xml:lang="en-US"> Other long-term liabilities </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisObligations_lbl" xml:lang="en-US"> Other long-term liabilities </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisObligations_lbl" xml:lang="en-US"> Other longterm liabiliteis </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeAssets" xlink:label="us-gaap_DerivativeAssets"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeAssets" xlink:to="us-gaap_DerivativeAssets_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DerivativeAssets_lbl" xml:lang="en-US"> Derivatives assets </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_DerivativeAssets_lbl" xml:lang="en-US"> Derivative Assets, Total </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeFinancialInstrumentsLiabilitiesFairValueDisclosure" xlink:label="us-gaap_DerivativeFinancialInstrumentsLiabilitiesFairValueDisclosure"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeFinancialInstrumentsLiabilitiesFairValueDisclosure" xlink:to="us-gaap_DerivativeFinancialInstrumentsLiabilitiesFairValueDisclosure_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DerivativeFinancialInstrumentsLiabilitiesFairValueDisclosure_lbl" xml:lang="en-US"> Derivatives liabilities </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_DerivativeFinancialInstrumentsLiabilitiesFairValueDisclosure_lbl" xml:lang="en-US"> Derivatives liabilities </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeAssetsLiabilitiesAtFairValueNet" xlink:label="us-gaap_DerivativeAssetsLiabilitiesAtFairValueNet"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeAssetsLiabilitiesAtFairValueNet" xlink:to="us-gaap_DerivativeAssetsLiabilitiesAtFairValueNet_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DerivativeAssetsLiabilitiesAtFairValueNet_lbl" xml:lang="en-US"> Derivatives </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:label="us-gaap_DerivativeAssetsLiabilitiesAtFairValueNet_lbl" xml:lang="en-US"> Derivatives </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_DerivativeAssetsLiabilitiesAtFairValueNet_lbl" xml:lang="en-US"> Total derivatives </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasis" xlink:label="chk_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasis"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasis" xlink:to="chk_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasis_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasis_lbl" xml:lang="en-US"> Fair Value Assets And Liabilities Measured On Recurring Basis </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasis_lbl" xml:lang="en-US"> Fair Value, Assets and Liabilities Measured On Recurring Basis </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:label="chk_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasis_lbl" xml:lang="en-US"> Total </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="chk_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasis_lbl" xml:lang="en-US"> Total </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByMajorTypeAxis" xlink:label="chk_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByMajorTypeAxis"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByMajorTypeAxis" xlink:to="chk_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByMajorTypeAxis_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByMajorTypeAxis_lbl" xml:lang="en-US"> Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, by Major Type [Axis] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByMajorTypeAxis_lbl" xml:lang="en-US"> Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, by Major Type [Axis] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByMajorTypesDomain" xlink:label="chk_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByMajorTypesDomain"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByMajorTypesDomain" xlink:to="chk_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByMajorTypesDomain_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByMajorTypesDomain_lbl" xml:lang="en-US"> Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation By Major Types [Domain] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByMajorTypesDomain_lbl" xml:lang="en-US"> Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation By Major Types [Domain] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByMajorTypesDomain_lbl" xml:lang="en-US"> Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, by Major Types [Domain] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtMember" xlink:label="us-gaap_DebtMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtMember" xlink:to="us-gaap_DebtMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtMember_lbl" xml:lang="en-US"> Debt [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DebtMember_lbl" xml:lang="en-US"> Debt [Member] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue" xlink:to="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_lbl" xml:lang="en-US"> Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedPeriodEndLabel" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_lbl" xml:lang="en-US"> Ending balance </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedPeriodStartLabel" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_lbl" xml:lang="en-US"> Beginning balance </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_lbl" xml:lang="en-US"> Ending balance </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_lbl" xml:lang="en-US"> Beginning balance </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarningsOrChangeInNetAssetsUnrealized" xlink:label="chk_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarningsOrChangeInNetAssetsUnrealized"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarningsOrChangeInNetAssetsUnrealized" xlink:to="chk_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarningsOrChangeInNetAssetsUnrealized_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarningsOrChangeInNetAssetsUnrealized_lbl" xml:lang="en-US"> This element represents total gains or losses for the period (unrealized), arising from assets measured at fair value on a recurring basis using unobservable inputs (Level 3), which are included earnings and a change in net assets. </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarningsOrChangeInNetAssetsUnrealized_lbl" xml:lang="en-US"> Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings, or Change in Net Assets (Unrealized) </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarningsOrChangeInNetAssetsUnrealized_lbl" xml:lang="en-US"> Total gains (losses) Included in earnings or change in net assets </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales" xlink:to="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales_lbl" xml:lang="en-US"> Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales_lbl" xml:lang="en-US"> Sales </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements" xlink:to="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements_lbl" xml:lang="en-US"> Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements_lbl" xml:lang="en-US"> Settlements </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersNet" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersNet"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersNet" xlink:to="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersNet_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersNet_lbl" xml:lang="en-US"> Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersNet_lbl" xml:lang="en-US"> Transfers in and out of Level 3 </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersNet_lbl" xml:lang="en-US"> Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net, Total </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLossIncludedInOtherIncome" xlink:label="us-gaap_FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLossIncludedInOtherIncome"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLossIncludedInOtherIncome" xlink:to="us-gaap_FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLossIncludedInOtherIncome_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLossIncludedInOtherIncome_lbl" xml:lang="en-US"> Fair Value, Assets Measured on Recurring Basis, Change in Unrealized Gain (Loss) Included in Other Income </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:label="us-gaap_FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLossIncludedInOtherIncome_lbl" xml:lang="en-US"> Change in unrealized gains (losses) relating to assets still held at reporting date </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLossIncludedInOtherIncome_lbl" xml:lang="en-US"> Total gains (losses) Included in earnings or change in net assets (unrealized) </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLossIncludedInOtherIncome_lbl" xml:lang="en-US"> Change in unrealized gains (losses) relating to assets still held at reporting date </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_FairValueMeasurementUnobservableInputsAxis" xlink:label="chk_FairValueMeasurementUnobservableInputsAxis"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_FairValueMeasurementUnobservableInputsAxis" xlink:to="chk_FairValueMeasurementUnobservableInputsAxis_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_FairValueMeasurementUnobservableInputsAxis_lbl" xml:lang="en-US"> Fair Value Measurement Unobservable Inputs [Axis] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_FairValueMeasurementUnobservableInputsAxis_lbl" xml:lang="en-US"> Fair Value Measurement Unobservable Inputs [Axis] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_FairValueMeasurementUnobservableInputsDomain" xlink:label="chk_FairValueMeasurementUnobservableInputsDomain"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_FairValueMeasurementUnobservableInputsDomain" xlink:to="chk_FairValueMeasurementUnobservableInputsDomain_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_FairValueMeasurementUnobservableInputsDomain_lbl" xml:lang="en-US"> Fair Value Measurement Unobservable Inputs [Domain] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_FairValueMeasurementUnobservableInputsDomain_lbl" xml:lang="en-US"> Fair Value Measurement Unobservable Inputs [Domain] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_FairValueMeasurementUnobservableInputsDomain_lbl" xml:lang="en-US"> Fair Value Measurement Unobservable Inputs [Domain] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_NymexOilPriceForwardCurveMember" xlink:label="chk_NymexOilPriceForwardCurveMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_NymexOilPriceForwardCurveMember" xlink:to="chk_NymexOilPriceForwardCurveMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_NymexOilPriceForwardCurveMember_lbl" xml:lang="en-US"> Nymex Oil Price Forward Curve [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_NymexOilPriceForwardCurveMember_lbl" xml:lang="en-US"> Nymex Oil Price Forward Curve [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_NymexOilPriceForwardCurveMember_lbl" xml:lang="en-US"> NYMEX Oil Price Forward Curve [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_OilPriceVolatilityCurveMember" xlink:label="chk_OilPriceVolatilityCurveMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_OilPriceVolatilityCurveMember" xlink:to="chk_OilPriceVolatilityCurveMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_OilPriceVolatilityCurveMember_lbl" xml:lang="en-US"> Oil Price Volatility Curve [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_OilPriceVolatilityCurveMember_lbl" xml:lang="en-US"> Oil Price Volatility Curve [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_OilPriceVolatilityCurveMember_lbl" xml:lang="en-US"> Oil Price Volatility Curve [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_NymexNaturalGasPriceForwardCurveMember" xlink:label="chk_NymexNaturalGasPriceForwardCurveMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_NymexNaturalGasPriceForwardCurveMember" xlink:to="chk_NymexNaturalGasPriceForwardCurveMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_NymexNaturalGasPriceForwardCurveMember_lbl" xml:lang="en-US"> Nymex Natural Gas Price Forward Curve [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_NymexNaturalGasPriceForwardCurveMember_lbl" xml:lang="en-US"> Nymex Natural Gas Price Forward Curve [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_NymexNaturalGasPriceForwardCurveMember_lbl" xml:lang="en-US"> NYMEX Natural Gas Price Forward Curve [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_NaturalGasPriceVolatilityCurveMember" xlink:label="chk_NaturalGasPriceVolatilityCurveMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_NaturalGasPriceVolatilityCurveMember" xlink:to="chk_NaturalGasPriceVolatilityCurveMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_NaturalGasPriceVolatilityCurveMember_lbl" xml:lang="en-US"> Natural Gas Price Volatility Curve [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_NaturalGasPriceVolatilityCurveMember_lbl" xml:lang="en-US"> Natural Gas Price Volatility Curve [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_NaturalGasPriceVolatilityCurveMember_lbl" xml:lang="en-US"> Natural Gas Price Volatility Curve [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_NymexNaturalGasForwardCurveMember" xlink:label="chk_NymexNaturalGasForwardCurveMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_NymexNaturalGasForwardCurveMember" xlink:to="chk_NymexNaturalGasForwardCurveMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_NymexNaturalGasForwardCurveMember_lbl" xml:lang="en-US"> Nymex Natural Gas Forward Curve [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_NymexNaturalGasForwardCurveMember_lbl" xml:lang="en-US"> Nymex Natural Gas Forward Curve [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_NymexNaturalGasForwardCurveMember_lbl" xml:lang="en-US"> NYMEX Natural Gas Forward Curve [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_PhysicalPricingPointForwardCurvesMember" xlink:label="chk_PhysicalPricingPointForwardCurvesMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_PhysicalPricingPointForwardCurvesMember" xlink:to="chk_PhysicalPricingPointForwardCurvesMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_PhysicalPricingPointForwardCurvesMember_lbl" xml:lang="en-US"> Physical Pricing Point Forward Curves [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_PhysicalPricingPointForwardCurvesMember_lbl" xml:lang="en-US"> Physical Pricing Point Forward Curves [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_PhysicalPricingPointForwardCurvesMember_lbl" xml:lang="en-US"> Physical Pricing Point Forward Curves [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_ForwardInterestRateCurveMember" xlink:label="chk_ForwardInterestRateCurveMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_ForwardInterestRateCurveMember" xlink:to="chk_ForwardInterestRateCurveMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_ForwardInterestRateCurveMember_lbl" xml:lang="en-US"> Forward Interest Rate Curve [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_ForwardInterestRateCurveMember_lbl" xml:lang="en-US"> Forward Interest Rate Curve [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_ForwardInterestRateCurveMember_lbl" xml:lang="en-US"> Forward Interest Rate Curve [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_InterestRateVolatilityMember" xlink:label="chk_InterestRateVolatilityMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_InterestRateVolatilityMember" xlink:to="chk_InterestRateVolatilityMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_InterestRateVolatilityMember_lbl" xml:lang="en-US"> Interest Rate Volatility [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_InterestRateVolatilityMember_lbl" xml:lang="en-US"> Interest Rate Volatility [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_InterestRateVolatilityMember_lbl" xml:lang="en-US"> Interest Rate Volatility [Member] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InstrumentAxis" xlink:label="us-gaap_InstrumentAxis"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InstrumentAxis" xlink:to="us-gaap_InstrumentAxis_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InstrumentAxis_lbl" xml:lang="en-US"> Instrument [Axis] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InstrumentTypeMember" xlink:label="us-gaap_InstrumentTypeMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InstrumentTypeMember" xlink:to="us-gaap_InstrumentTypeMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InstrumentTypeMember_lbl" xml:lang="en-US"> Instrument Type [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_InstrumentTypeMember_lbl" xml:lang="en-US"> Instrument Type [Domain] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_OilTradesMember" xlink:label="chk_OilTradesMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_OilTradesMember" xlink:to="chk_OilTradesMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_OilTradesMember_lbl" xml:lang="en-US"> Oil Trades [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_OilTradesMember_lbl" xml:lang="en-US"> Oil Trades [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_OilTradesMember_lbl" xml:lang="en-US"> Oil Trades [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_NaturalGasTradesMember" xlink:label="chk_NaturalGasTradesMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_NaturalGasTradesMember" xlink:to="chk_NaturalGasTradesMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_NaturalGasTradesMember_lbl" xml:lang="en-US"> Natural Gas Trades [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_NaturalGasTradesMember_lbl" xml:lang="en-US"> Natural Gas Trades [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_NaturalGasTradesMember_lbl" xml:lang="en-US"> Natural Gas Trades [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_GasBasisSwapsMember" xlink:label="chk_GasBasisSwapsMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_GasBasisSwapsMember" xlink:to="chk_GasBasisSwapsMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_GasBasisSwapsMember_lbl" xml:lang="en-US"> Gas Basis Swaps [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_GasBasisSwapsMember_lbl" xml:lang="en-US"> Gas Basis Swaps [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_GasBasisSwapsMember_lbl" xml:lang="en-US"> Gas Basis Swaps [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_InterestRateSwaptionsMember" xlink:label="chk_InterestRateSwaptionsMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_InterestRateSwaptionsMember" xlink:to="chk_InterestRateSwaptionsMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_InterestRateSwaptionsMember_lbl" xml:lang="en-US"> Interest Rate Swaptions [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_InterestRateSwaptionsMember_lbl" xml:lang="en-US"> Interest Rate Swaptions [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_InterestRateSwaptionsMember_lbl" xml:lang="en-US"> Interest Rate Swaptions [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_FairValueAssetsUnobservableInputDescription" xlink:label="chk_FairValueAssetsUnobservableInputDescription"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_FairValueAssetsUnobservableInputDescription" xlink:to="chk_FairValueAssetsUnobservableInputDescription_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_FairValueAssetsUnobservableInputDescription_lbl" xml:lang="en-US"> Fair Value Assets Unobservable Input Description </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_FairValueAssetsUnobservableInputDescription_lbl" xml:lang="en-US"> Fair Value Assets Unobservable Input Description </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_FairValueAssetsUnobservableInputDescription_lbl" xml:lang="en-US"> Unobservable Input </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_PriceForwardCurve" xlink:label="chk_PriceForwardCurve"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_PriceForwardCurve" xlink:to="chk_PriceForwardCurve_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_PriceForwardCurve_lbl" xml:lang="en-US"> Price Forward Curve </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_PriceForwardCurve_lbl" xml:lang="en-US"> Price Forward Curve </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_PriceForwardCurve_lbl" xml:lang="en-US"> Price forward curve </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_PriceVolatilityCurve" xlink:label="chk_PriceVolatilityCurve"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_PriceVolatilityCurve" xlink:to="chk_PriceVolatilityCurve_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_PriceVolatilityCurve_lbl" xml:lang="en-US"> Price Volatility Curve </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_PriceVolatilityCurve_lbl" xml:lang="en-US"> Price Volatility Curve </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_PriceVolatilityCurve_lbl" xml:lang="en-US"> Price volatility curve, percentage </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_WeightedAverageOfPriceForwardCurve" xlink:label="chk_WeightedAverageOfPriceForwardCurve"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_WeightedAverageOfPriceForwardCurve" xlink:to="chk_WeightedAverageOfPriceForwardCurve_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_WeightedAverageOfPriceForwardCurve_lbl" xml:lang="en-US"> Weighted Average Of Price Forward Curve </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_WeightedAverageOfPriceForwardCurve_lbl" xml:lang="en-US"> Weighted Average Of Price Forward Curve </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_WeightedAverageOfPriceForwardCurve_lbl" xml:lang="en-US"> Weighted average of price forward curve </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_WeightedAverageOfPriceVolatilityCurvePercentage" xlink:label="chk_WeightedAverageOfPriceVolatilityCurvePercentage"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_WeightedAverageOfPriceVolatilityCurvePercentage" xlink:to="chk_WeightedAverageOfPriceVolatilityCurvePercentage_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_WeightedAverageOfPriceVolatilityCurvePercentage_lbl" xml:lang="en-US"> Weighted Average Of Price Volatility Curve Percentage </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_WeightedAverageOfPriceVolatilityCurvePercentage_lbl" xml:lang="en-US"> Weighted Average Of Price Volatility Curve Percentage </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_WeightedAverageOfPriceVolatilityCurvePercentage_lbl" xml:lang="en-US"> Weighted average of price volatility curve, percentage </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetsAndLiabilitiesTransfersNet" xlink:label="chk_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetsAndLiabilitiesTransfersNet"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetsAndLiabilitiesTransfersNet" xlink:to="chk_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetsAndLiabilitiesTransfersNet_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetsAndLiabilitiesTransfersNet_lbl" xml:lang="en-US"> Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Assets And Liabilities Transfers Net </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetsAndLiabilitiesTransfersNet_lbl" xml:lang="en-US"> Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Assets And Liabilities Transfers Net </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="chk_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetsAndLiabilitiesTransfersNet_lbl" xml:lang="en-US"> Fair Value </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetsAndLiabilitiesTransfersNet_lbl" xml:lang="en-US"> Fair Value </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueByBalanceSheetGroupingTable" xlink:label="us-gaap_FairValueByBalanceSheetGroupingTable"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueByBalanceSheetGroupingTable" xlink:to="us-gaap_FairValueByBalanceSheetGroupingTable_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueByBalanceSheetGroupingTable_lbl" xml:lang="en-US"> Fair Value, by Balance Sheet Grouping [Table] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueByBalanceSheetGroupingDisclosureItemAmountsAxis" xlink:label="us-gaap_FairValueByBalanceSheetGroupingDisclosureItemAmountsAxis"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueByBalanceSheetGroupingDisclosureItemAmountsAxis" xlink:to="us-gaap_FairValueByBalanceSheetGroupingDisclosureItemAmountsAxis_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueByBalanceSheetGroupingDisclosureItemAmountsAxis_lbl" xml:lang="en-US"> Fair Value, by Balance Sheet Grouping, Disclosure Item Amounts [Axis] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueDisclosureItemAmountsDomain" xlink:label="us-gaap_FairValueDisclosureItemAmountsDomain"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueDisclosureItemAmountsDomain" xlink:to="us-gaap_FairValueDisclosureItemAmountsDomain_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueDisclosureItemAmountsDomain_lbl" xml:lang="en-US"> Fair Value Disclosure Item Amounts [Domain] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_FairValueDisclosureItemAmountsDomain_lbl" xml:lang="en-US"> Fair Value, Disclosure Item Amounts [Domain] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CarryingReportedAmountFairValueDisclosureMember" xlink:label="us-gaap_CarryingReportedAmountFairValueDisclosureMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CarryingReportedAmountFairValueDisclosureMember" xlink:to="us-gaap_CarryingReportedAmountFairValueDisclosureMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CarryingReportedAmountFairValueDisclosureMember_lbl" xml:lang="en-US"> Carrying Reported Amount Fair Value Disclosure [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CarryingReportedAmountFairValueDisclosureMember_lbl" xml:lang="en-US"> Carrying Amount [Member] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EstimateOfFairValueFairValueDisclosureMember" xlink:label="us-gaap_EstimateOfFairValueFairValueDisclosureMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EstimateOfFairValueFairValueDisclosureMember" xlink:to="us-gaap_EstimateOfFairValueFairValueDisclosureMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EstimateOfFairValueFairValueDisclosureMember_lbl" xml:lang="en-US"> Estimate Of Fair Value Fair Value Disclosure [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_EstimateOfFairValueFairValueDisclosureMember_lbl" xml:lang="en-US"> Estimated Fair Value [Member] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems" xlink:label="us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems" xlink:to="us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_lbl" xml:lang="en-US"> Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LongTermDebt" xlink:label="us-gaap_LongTermDebt"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebt" xlink:to="us-gaap_LongTermDebt_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LongTermDebt_lbl" xml:lang="en-US"> Long-term debt </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_LongTermDebt_lbl" xml:lang="en-US"> Long-term Debt, Total </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromSaleOfInterestInPartnershipUnit" xlink:label="us-gaap_ProceedsFromSaleOfInterestInPartnershipUnit"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromSaleOfInterestInPartnershipUnit" xlink:to="us-gaap_ProceedsFromSaleOfInterestInPartnershipUnit_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProceedsFromSaleOfInterestInPartnershipUnit_lbl" xml:lang="en-US"> Proceeds from Sale of Interest in Partnership Unit </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ProceedsFromSaleOfInterestInPartnershipUnit_lbl" xml:lang="en-US"> Proceeds from sale of interest in partnerships </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ProceedsFromSaleOfInterestInPartnershipUnit_lbl" xml:lang="en-US"> Proceeds from sale of interest in partnership unit </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:label="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:to="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_lbl" xml:lang="en-US"> Schedule of Segment Reporting Information, by Segment [Table] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_OilAndGasExplorationAndProductionMember" xlink:label="chk_OilAndGasExplorationAndProductionMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_OilAndGasExplorationAndProductionMember" xlink:to="chk_OilAndGasExplorationAndProductionMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_OilAndGasExplorationAndProductionMember_lbl" xml:lang="en-US"> Oil and Gas Exploration and Production </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_OilAndGasExplorationAndProductionMember_lbl" xml:lang="en-US"> Oil And Gas Exploration And Production [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_OilAndGasExplorationAndProductionMember_lbl" xml:lang="en-US"> Exploration And Production [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_MarketingGatheringAndCompressionMember" xlink:label="chk_MarketingGatheringAndCompressionMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_MarketingGatheringAndCompressionMember" xlink:to="chk_MarketingGatheringAndCompressionMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_MarketingGatheringAndCompressionMember_lbl" xml:lang="en-US"> Marketing, Gathering And Compression [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_MarketingGatheringAndCompressionMember_lbl" xml:lang="en-US"> Marketing Gathering And Compression [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_MarketingGatheringAndCompressionMember_lbl" xml:lang="en-US"> Marketing, Gathering And Compression [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_OilfieldServicesMember" xlink:label="chk_OilfieldServicesMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_OilfieldServicesMember" xlink:to="chk_OilfieldServicesMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_OilfieldServicesMember_lbl" xml:lang="en-US"> Oilfield Services [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_OilfieldServicesMember_lbl" xml:lang="en-US"> Oilfield Services [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_OilfieldServicesMember_lbl" xml:lang="en-US"> Oilfield Services [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_OtherOperationsMember" xlink:label="chk_OtherOperationsMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_OtherOperationsMember" xlink:to="chk_OtherOperationsMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_OtherOperationsMember_lbl" xml:lang="en-US"> Other Operations [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_OtherOperationsMember_lbl" xml:lang="en-US"> Other Operations [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_OtherOperationsMember_lbl" xml:lang="en-US"> Other Operations [Member] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessIntersegmentEliminationsMember" xlink:label="us-gaap_BusinessIntersegmentEliminationsMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessIntersegmentEliminationsMember" xlink:to="us-gaap_BusinessIntersegmentEliminationsMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BusinessIntersegmentEliminationsMember_lbl" xml:lang="en-US"> Business Intersegment Eliminations [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_BusinessIntersegmentEliminationsMember_lbl" xml:lang="en-US"> Intercompany Eliminations [Member] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentReportingInformationLineItems" xlink:label="us-gaap_SegmentReportingInformationLineItems"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SegmentReportingInformationLineItems" xlink:to="us-gaap_SegmentReportingInformationLineItems_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SegmentReportingInformationLineItems_lbl" xml:lang="en-US"> Segment Reporting Information [Line Items] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentReportingInformationRevenue" xlink:label="us-gaap_SegmentReportingInformationRevenue"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SegmentReportingInformationRevenue" xlink:to="us-gaap_SegmentReportingInformationRevenue_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SegmentReportingInformationRevenue_lbl" xml:lang="en-US"> Segment Reporting Information, Revenue </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_SegmentReportingInformationRevenue_lbl" xml:lang="en-US"> Revenues </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_SegmentReportingInformationRevenue_lbl" xml:lang="en-US"> Total revenues </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RevenuesFromTransactionsWithOtherOperatingSegmentsOfSameEntity" xlink:label="us-gaap_RevenuesFromTransactionsWithOtherOperatingSegmentsOfSameEntity"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RevenuesFromTransactionsWithOtherOperatingSegmentsOfSameEntity" xlink:to="us-gaap_RevenuesFromTransactionsWithOtherOperatingSegmentsOfSameEntity_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RevenuesFromTransactionsWithOtherOperatingSegmentsOfSameEntity_lbl" xml:lang="en-US"> Exploration and production revenues </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RevenuesFromTransactionsWithOtherOperatingSegmentsOfSameEntity_lbl" xml:lang="en-US"> Intersegment revenues </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ParentCompanyMember" xlink:label="us-gaap_ParentCompanyMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ParentCompanyMember" xlink:to="us-gaap_ParentCompanyMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ParentCompanyMember_lbl" xml:lang="en-US"> Parent Company [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ParentCompanyMember_lbl" xml:lang="en-US"> Parent [Member] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_GuarantorSubsidiariesMember" xlink:label="us-gaap_GuarantorSubsidiariesMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GuarantorSubsidiariesMember" xlink:to="us-gaap_GuarantorSubsidiariesMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_GuarantorSubsidiariesMember_lbl" xml:lang="en-US"> Guarantor Subsidiaries [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_GuarantorSubsidiariesMember_lbl" xml:lang="en-US"> Guarantor Subsidiaries [Member] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NonGuarantorSubsidiariesMember" xlink:label="us-gaap_NonGuarantorSubsidiariesMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NonGuarantorSubsidiariesMember" xlink:to="us-gaap_NonGuarantorSubsidiariesMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NonGuarantorSubsidiariesMember_lbl" xml:lang="en-US"> Non Guarantor Subsidiaries [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_NonGuarantorSubsidiariesMember_lbl" xml:lang="en-US"> Non-Guarantor Subsidiaries [Member] </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ConsolidationEliminationsMember" xlink:label="us-gaap_ConsolidationEliminationsMember"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ConsolidationEliminationsMember" xlink:to="us-gaap_ConsolidationEliminationsMember_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ConsolidationEliminationsMember_lbl" xml:lang="en-US"> Consolidation Eliminations [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ConsolidationEliminationsMember_lbl" xml:lang="en-US"> Eliminations [Member] </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_CurrentAssetsExcludingCashAndCashEquivalents" xlink:label="chk_CurrentAssetsExcludingCashAndCashEquivalents"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_CurrentAssetsExcludingCashAndCashEquivalents" xlink:to="chk_CurrentAssetsExcludingCashAndCashEquivalents_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_CurrentAssetsExcludingCashAndCashEquivalents_lbl" xml:lang="en-US"> Current Assets Excluding Cash And Cash Equivalents </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_CurrentAssetsExcludingCashAndCashEquivalents_lbl" xml:lang="en-US"> Current Assets Excluding Cash And Cash Equivalents </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="chk_CurrentAssetsExcludingCashAndCashEquivalents_lbl" xml:lang="en-US"> Other </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNetAbstract" xlink:label="us-gaap_PropertyPlantAndEquipmentNetAbstract"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentNetAbstract" xlink:to="us-gaap_PropertyPlantAndEquipmentNetAbstract_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PropertyPlantAndEquipmentNetAbstract_lbl" xml:lang="en-US"> PROPERTY AND EQUIPMENT: </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OilAndGasPropertyFullCostMethodNet" xlink:label="us-gaap_OilAndGasPropertyFullCostMethodNet"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OilAndGasPropertyFullCostMethodNet" xlink:to="us-gaap_OilAndGasPropertyFullCostMethodNet_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OilAndGasPropertyFullCostMethodNet_lbl" xml:lang="en-US"> Oil Gas Property Full Cost Method Net </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OilAndGasPropertyFullCostMethodNet_lbl" xml:lang="en-US"> Natural gas and oil properties, at cost, based on full-cost accounting </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_OilAndGasPropertyFullCostMethodNet_lbl" xml:lang="en-US"> Total Property and Equipment, Net </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_OilAndGasPropertyFullCostMethodNet_lbl" xml:lang="en-US"> Natural gas and oil properties, at cost, based on full cost accounting, net </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_TotalOtherPropertyAndEquipment" xlink:label="chk_TotalOtherPropertyAndEquipment"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_TotalOtherPropertyAndEquipment" xlink:to="chk_TotalOtherPropertyAndEquipment_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_TotalOtherPropertyAndEquipment_lbl" xml:lang="en-US"> Total Other Property and Equipment </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_TotalOtherPropertyAndEquipment_lbl" xml:lang="en-US"> Total Other Property And Equipment </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_TotalOtherPropertyAndEquipment_lbl" xml:lang="en-US"> Other property and equipment at cost, net </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="chk_TotalOtherPropertyAndEquipment_lbl" xml:lang="en-US"> Total other property and equipment </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_TotalOtherAssets" xlink:label="chk_TotalOtherAssets"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_TotalOtherAssets" xlink:to="chk_TotalOtherAssets_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_TotalOtherAssets_lbl" xml:lang="en-US"> The sum of all other long-term assets, not including property, plant and equipment. </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_TotalOtherAssets_lbl" xml:lang="en-US"> Total Other Assets </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="chk_TotalOtherAssets_lbl" xml:lang="en-US"> Total Other Assets </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="chk_TotalOtherAssets_lbl" xml:lang="en-US"> Other assets </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_CurrentLiabilitiesBeforeIntercompanyPayablesReceivablesFromParent" xlink:label="chk_CurrentLiabilitiesBeforeIntercompanyPayablesReceivablesFromParent"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_CurrentLiabilitiesBeforeIntercompanyPayablesReceivablesFromParent" xlink:to="chk_CurrentLiabilitiesBeforeIntercompanyPayablesReceivablesFromParent_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_CurrentLiabilitiesBeforeIntercompanyPayablesReceivablesFromParent_lbl" xml:lang="en-US"> Current Liabilities Before Intercompany Payables (Receivables) From Parent </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_CurrentLiabilitiesBeforeIntercompanyPayablesReceivablesFromParent_lbl" xml:lang="en-US"> Current Liabilities Before Intercompany Payables (Receivables) From Parent </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_CurrentLiabilitiesBeforeIntercompanyPayablesReceivablesFromParent_lbl" xml:lang="en-US"> Current liabilities </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_IntercompanyPayableReceivableCurrent" xlink:label="chk_IntercompanyPayableReceivableCurrent"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_IntercompanyPayableReceivableCurrent" xlink:to="chk_IntercompanyPayableReceivableCurrent_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_IntercompanyPayableReceivableCurrent_lbl" xml:lang="en-US"> Intercompany Payable (Receivable), Current </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_IntercompanyPayableReceivableCurrent_lbl" xml:lang="en-US"> Intercompany Payable Receivable Current </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_IntercompanyPayableReceivableCurrent_lbl" xml:lang="en-US"> Intercompany payable to (receivable from) parent </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherAccruedLiabilitiesNoncurrent" xlink:label="us-gaap_OtherAccruedLiabilitiesNoncurrent"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherAccruedLiabilitiesNoncurrent" xlink:to="us-gaap_OtherAccruedLiabilitiesNoncurrent_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherAccruedLiabilitiesNoncurrent_lbl" xml:lang="en-US"> Other Accrued Liabilities, Noncurrent </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_OtherAccruedLiabilitiesNoncurrent_lbl" xml:lang="en-US"> Other liabilities </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_ReclassifiedFromGuarantors" xlink:label="chk_ReclassifiedFromGuarantors"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_ReclassifiedFromGuarantors" xlink:to="chk_ReclassifiedFromGuarantors_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_ReclassifiedFromGuarantors_lbl" xml:lang="en-US"> Reclassified From Guarantors </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_ReclassifiedFromGuarantors_lbl" xml:lang="en-US"> Reclassified From Guarantors </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_ReclassifiedFromGuarantors_lbl" xml:lang="en-US"> Reclassified from guarantors </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OilAndGasProductionExpense" xlink:label="us-gaap_OilAndGasProductionExpense"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OilAndGasProductionExpense" xlink:to="us-gaap_OilAndGasProductionExpense_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OilAndGasProductionExpense_lbl" xml:lang="en-US"> Oil and Gas Production Expense </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OilAndGasProductionExpense_lbl" xml:lang="en-US"> Natural gas and oil production </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EquityMethodInvestmentDividendsOrDistributions" xlink:label="us-gaap_EquityMethodInvestmentDividendsOrDistributions"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EquityMethodInvestmentDividendsOrDistributions" xlink:to="us-gaap_EquityMethodInvestmentDividendsOrDistributions_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EquityMethodInvestmentDividendsOrDistributions_lbl" xml:lang="en-US"> Equity Method Investment, Dividends or Distributions </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_EquityMethodInvestmentDividendsOrDistributions_lbl" xml:lang="en-US"> Equity in net earnings of subsidiary </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_EquityMethodInvestmentDividendsOrDistributions_lbl" xml:lang="en-US"> Equity in net earnings of subsidiary </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherComprehensiveIncomeOtherNetOfTax" xlink:label="us-gaap_OtherComprehensiveIncomeOtherNetOfTax"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherComprehensiveIncomeOtherNetOfTax" xlink:to="us-gaap_OtherComprehensiveIncomeOtherNetOfTax_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherComprehensiveIncomeOtherNetOfTax_lbl" xml:lang="en-US"> Other Comprehensive Income, Other, Net of Tax </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OtherComprehensiveIncomeOtherNetOfTax_lbl" xml:lang="en-US"> Other comprehensive income (loss), net of income tax </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsToAcquireOilAndGasProperty" xlink:label="us-gaap_PaymentsToAcquireOilAndGasProperty"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsToAcquireOilAndGasProperty" xlink:to="us-gaap_PaymentsToAcquireOilAndGasProperty_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PaymentsToAcquireOilAndGasProperty_lbl" xml:lang="en-US"> Additions to natural gas and oil properties </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_PaymentsToAcquireOilAndGasProperty_lbl" xml:lang="en-US"> Additions to proved and unproved properties </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment" xlink:label="us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment" xlink:to="us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_lbl" xml:lang="en-US"> Proceeds from divestitures of natural gas and oil properties </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_lbl" xml:lang="en-US"> Proceeds from divestitures of proved and unproved properties </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_lbl" xml:lang="en-US"> Proceeds from Sale of Property, Plant, and Equipment, Total </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_ConsolidatingReportingPaymentsForProceedsFromOtherInvestingActivities" xlink:label="chk_ConsolidatingReportingPaymentsForProceedsFromOtherInvestingActivities"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_ConsolidatingReportingPaymentsForProceedsFromOtherInvestingActivities" xlink:to="chk_ConsolidatingReportingPaymentsForProceedsFromOtherInvestingActivities_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_ConsolidatingReportingPaymentsForProceedsFromOtherInvestingActivities_lbl" xml:lang="en-US"> Consolidating Reporting, Payments for/ Proceeds from Other Investing Activities </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_ConsolidatingReportingPaymentsForProceedsFromOtherInvestingActivities_lbl" xml:lang="en-US"> Consolidating Reporting Payments For Proceeds From Other Investing Activities </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_ConsolidatingReportingPaymentsForProceedsFromOtherInvestingActivities_lbl" xml:lang="en-US"> Other investing activities </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_NetChangeOtherFinancingActivities" xlink:label="chk_NetChangeOtherFinancingActivities"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_NetChangeOtherFinancingActivities" xlink:to="chk_NetChangeOtherFinancingActivities_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_NetChangeOtherFinancingActivities_lbl" xml:lang="en-US"> Net Change Other Financing Activities </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_NetChangeOtherFinancingActivities_lbl" xml:lang="en-US"> Net Change Other Financing Activities </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_NetChangeOtherFinancingActivities_lbl" xml:lang="en-US"> Other financing activities </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_PaymentsForProceedsFromIntercompanyAdvancesFromFinancingActivities" xlink:label="chk_PaymentsForProceedsFromIntercompanyAdvancesFromFinancingActivities"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_PaymentsForProceedsFromIntercompanyAdvancesFromFinancingActivities" xlink:to="chk_PaymentsForProceedsFromIntercompanyAdvancesFromFinancingActivities_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_PaymentsForProceedsFromIntercompanyAdvancesFromFinancingActivities_lbl" xml:lang="en-US"> The net cash outflow (inflow) from intercompany advances between parent and subsidiary. </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_PaymentsForProceedsFromIntercompanyAdvancesFromFinancingActivities_lbl" xml:lang="en-US"> Payments For Proceeds From Intercompany Advances From Financing Activities </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_PaymentsForProceedsFromIntercompanyAdvancesFromFinancingActivities_lbl" xml:lang="en-US"> Intercompany advances, net </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_LeaseholdAcreageNet" xlink:label="chk_LeaseholdAcreageNet"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_LeaseholdAcreageNet" xlink:to="chk_LeaseholdAcreageNet_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_LeaseholdAcreageNet_lbl" xml:lang="en-US"> Leasehold Acreage, Net </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_LeaseholdAcreageNet_lbl" xml:lang="en-US"> Leasehold Acreage, Net </label>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromSaleOfProductiveAssets" xlink:label="us-gaap_ProceedsFromSaleOfProductiveAssets"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromSaleOfProductiveAssets" xlink:to="us-gaap_ProceedsFromSaleOfProductiveAssets_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProceedsFromSaleOfProductiveAssets_lbl" xml:lang="en-US"> Proceeds from Sale of Productive Assets </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ProceedsFromSaleOfProductiveAssets_lbl" xml:lang="en-US"> Cash paid for acres of leasehold sold </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_ProceedsFromSaleOfProductiveAssets_lbl" xml:lang="en-US"> Proceeds from Sale of Productive Assets, Total </label>
<loc xlink:type="locator" xlink:href="chk-20120331.xsd#chk_CurrentNetProductionMmcfePerDay" xlink:label="chk_CurrentNetProductionMmcfePerDay"/>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="chk_CurrentNetProductionMmcfePerDay" xlink:to="chk_CurrentNetProductionMmcfePerDay_lbl"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="chk_CurrentNetProductionMmcfePerDay_lbl" xml:lang="en-US"> Current Net Production, Mmcfe Per Day </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="chk_CurrentNetProductionMmcfePerDay_lbl" xml:lang="en-US"> Current Net Production, Mmcfe Per Day </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="chk_CurrentNetProductionMmcfePerDay_lbl" xml:lang="en-US"> Current net production, mmcfe per day </label>
</labelLink>
</linkbase>

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