Exhibit 23.5 Consent of Ryder Scott Company We consent to the incorporation by reference in the Registration Statement Form S-8 of our reserve report and all schedules, exhibits, and attachments thereto and to any reference made to us on Form S-8 as a result of such incorporation. Very truly yours, /s/ RYDER SCOTT COMPANY PETROLEUM ENGINEERS ____________________________________________ RYDER SCOTT COMPANY PETROLEUM ENGINEERS Denver, Colorado Date: May 28, 1997