1 EXHIBIT 23.5 CONSENT OF INDEPENDENT PETROLEUM ENGINEERS AND GEOLOGISTS As independent petroleum engineers, we hereby consent to the incorporation by reference in the Registration Statement on Form S-3 of Santa Fe Snyder Corporation (File No. 333-78265) of our report in Snyder Oil Corporation's Annual Report on Form 10-K/A for the year ended December 31, 1998. NETHERLAND, SEWELL & ASSOCIATES, INC. By: /s/ Frederic D. Sewell --------------------------------------- Frederic D. Sewell President Dallas, Texas May 11, 1999