1 EXHIBIT 23.4 CONSENT OF RYDER SCOTT COMPANY We consent to the incorporation by reference in the Registration Statement on Form S-4 of our reserve report and all schedules, exhibits, and attachments thereto and to any reference made to us on Form S-4 as a result of such incorporation. We further consent to the reference to our report in the Form 10-K for the year ending December 31, 1997. Sincerely, /s/ RYDER SCOTT COMPANY PETROLEUM ENGINEERS RYDER SCOTT COMPANY PETROLEUM ENGINEERS Denver, Colorado February 20, 1998