EXHIBIT 23 CONSENT OF INDEPENDENT ACCOUNTANTS We hereby consent to the incorporation by reference in the Registration Statement on Form S-8 (File No. 33-26024, as amended by Amendment No. 1 to the Registration Statement, File No. 2-97533, and File No. 333-02029) of Burlington Resources Inc., of our report dated June 20, 2002, relating to the financial statements of the Burlington Resources Inc. Retirement Savings Plan, which appears in this Form 11-K. /s/ PricewaterhouseCoopers LLP Houston, Texas June 28, 2002