POWER OF ATTORNEY
For Executing Forms 3, 4, and 5


KNOW ALL BY THESE PRESENTS, that the undersigned hereby constitutes and appoints
each of Cher S. Lawrence, William H. Gault, Peggy T. Landrum, and Brian K. Shore
signing singly, as a true and lawful attorney-in-fact for the undersigned and
until such authority is specifically revoked to:

(1)	execute for and on behalf of the undersigned Forms 3, 4, and 5, or other
comparable or replacement Forms, in accordance with Section 16(a) of the
Securities Exchange Act of 1934 and the rules thereunder;

(2)	perform any and all acts for and on behalf of the undersigned which may be
necessary or desirable to complete the execution of any such Form 3, 4 or 5, or
amendments thereto, or other comparable or replacement Forms under Section
16(a), and the timely filing of such form with the United States Securities and
Exchange Commission and any other required authority; and

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

The undersigned hereby grants to each such attorney-in-fact full power and
authority to 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 the undersigned 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.

IN WITNESS WHEREOF, the undersigned has caused this instrument to be executed as
of this 25th day of October, 2007.


/s/ Rodney J. Sailor
   Signature

Rodney J. Sailor
Print Name


STATE OF OKLAHOMA

COUNTY OF TULSA

	On this 24th day of October, 2007, Rodney J. Sailor personally appeared before
me, and acknowledged that she executed the foregoing instrument for the purposes
therein contained.

	IN WITNESS WHEREOF, I have hereunto set my hand and official seal.

/s/ Marguerite T. Landrum
Notary Public


My Commission Expires:
02/14/2010