EXHIBIT 23.18 CONSENT OF INDEPENDENT ACCOUNTANTS We hereby consent to the incorporation by reference in the Registration Statements on Form S-8 (File Nos. 333-47672, 333-44702, 333-32214, 333-39908 and 333-85553), Form S-4 (File Nos. 333-68694 and 333-75206) and Form S-3 (File No. 333-85211) of Devon Energy Corporation of our report dated January 28, 2000, except for Note 2 which is as of October 30, 2000, relating to the consolidated financial statements of Santa Fe Snyder Corporation, which appears in the December 31, 2000 Annual Report on Form 10-K/A of Devon Energy Corporation. /s/ PricewaterhouseCoopers LLP Houston, Texas December 19, 2001