EXHIBIT 23.7 CONSENT OF KPMG LLP The Board of Directors Devon Energy Corporation: We consent to the use of our report dated February 9, 2000, incorporated by reference herein relating to the consolidated balance sheets of Devon Energy Corporation and subsidiaries as of December 31, 1999, 1998 and 1997 and the related consolidated statements of operations, stockholders' equity, and cash flows for the years then ended, which report appears in the December 31, 1999 annual report on Form 10-K of Devon Energy Corporation and to the reference to our firm under the heading "Experts" in the registration statement. KPMG LLP Oklahoma City, Oklahoma June 21, 2000