POWER OF ATTORNEY
	For Executing Forms 3, 4 and 5

Know all by these presents, that the undersigned hereby constitutes and
appoints Christopher J. Kirt, Edward T. Highberger and Lyndon C. Taylor,
or any one of them acting alone, the lawful attorney in fact of the
undersigned in connection with matters related to Devon Energy Corporation
to:

	(1)	Execute for and on behalf of the undersigned Forms 3, 4 and 5 in
accordance with Section 16(a) of the Securities Act of 1934, as amended, and
the rules thereunder;

	(2)	Do and perform any and all acts for and on behalf of the undersigned
that may be necessary or desirable to complete the execution of any such Form
3, 4 or 5 and the timely filing of such form with the United States Securities
and Exchange Commission and any other authority; and

	(3)	Take any other action of any type whatsoever in connection with the
foregoing that, in the opinion of such attorney in fact, may be of benefit to,
in the best interest of, or legally required for, the undersigned, it being
understood that the documents executed by such attorney in fact on behalf of
the undersigned pursuant to this Power of Attorney shall be in such form and
shall contain such terms and conditions as may be approved in the discretion
of such attorney-in-fact.

The undersigned hereby grants to each such attorney in fact full power and
authority to do and perform all and every act and thing whatsoever requisite,
necessary and proper to be done in the exercise of any of the rights and
powers herein granted, as fully to all intents and purposes as such attorney
in fact might or could do if personally present, with full power of
substitution or revocation, hereby ratifying and confirming all that such
attorney in fact, or any substitute or substitutes, shall lawfully do or cause
to be done by virtue of this Power of Attorney and the rights and powers
herein granted.  The undersigned acknowledges that the foregoing attorneys in
fact, in serving in such capacity at the request of the undersigned, are not
assuming any of the undersigned's responsibilities to comply with Section 16
of the Securities Exchange Act of 1934, as amended, or the rules thereunder.

This Power of Attorney shall continue in full force and effect with respect to
the undersigned?s holdings of and transactions in securities issued by Devon
Energy Corporation, unless revoked in writing by the undersigned and delivered
to the foregoing attorneys-in-fact.

This Power of Attorney supersedes any power of attorney previously executed by
the undersigned in connection with matters substantially similar to those
discussed herein, and any and all other such previous powers of attorney are
hereby revoked.

	IN WITNESS WHEREOF, the undersigned executes this Power of Attorney
effective this 6th day of June, 2018.


		/s/John Richels
		John Richels