We consent
to the incorporation by reference in Registration Statement
No.
333-124056-01 of Permian Basin
Royalty Trust and Burlington Resources Inc. on Form S-3 of our reports
dated
March 14, 2006, relating
to the financial statements of Permian Basin Royalty Trust and the
Trustee’s report on the effectiveness of internal control over
financial reporting of Permian Basin Royalty Trust, appearing in this Annual
Report on Form 10-K of Permian Basin Royalty Trust for the year ended
December 31, 2005.