Exhibit 23.4

CONSENT OF AJM PETROLEUM CONSULTANTS

We consent to incorporation by reference in the Registration Statement on Form S-8 of Devon Energy Corporation, the reference to our appraisal report relating to Canadian reserves for Devon Energy Corporation as of December 31, 2004, which appears in the December 31, 2004 Annual Report on Form 10-K of Devon Energy Corporation.

AJM PETROLEUM CONSULTANTS
By:	/s/ Barry R. Ashton
	Barry R. Ashton, P.Eng.
	Chief Operating Officer

August 15, 2005