POWER OF ATTORNEY
For Executing Forms 3, 4 and 5, Form 144 and Schedules 13D and 13G

	Known by all these present, that the undersigned hereby constitutes and
appoints each Thomas B. Nusz, Taylor L. Reid, Nickolas J. Lorentzatos, Michael
H. Lou, Roy W. Mace, and Richard N. Robuck, signing singularly, the
undersigned's true and lawful attorney-in-fact to:

(1)	execute for and on behalf of the undersigned (a) Forms 3, 4 and 5 (including
amendments thereto) in accordance with Section 16(a) of the Securities Exchange
Act of 1934 and the rules thereunder, (b) Form 144 and (c) Schedules 13D and 13G
(including amendments thereto) in accordance with Sections 13(d) and 13(g) of
the Securities Exchange Act of 1934 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 and execute any such Form 3, 4 or 5,
Form 144 or Schedule 13D or 13G (including amendments thereto) and timely file
such Forms or Schedules with the Securities and Exchange Commission and any
stock exchange, self-regulatory association or any other authority; and

(3)	take any other actions of any type whatsoever in connection with the
foregoing that, in the opinion of each such attorney-in-fact, may be of benefit
to, in the best interest of, or legally required of the undersigned, it being
understood that the documents executed by the 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 the attorney-in-fact may approve in the
attorney-in-fact's discretion.

The undersigned hereby grants to each attorney-in-fact full power and authority
to do and perform all and every act and thing whatsoever requisite, necessary or
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 might or could
do if personally present, with full power of substitution or revocation, hereby
ratifying and confirming all that the attorney-in-fact, or the attorney-in-facts
substitutes or substitute, 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, and their
substitutes, in serving in such capacity at the request of the undersigned, are
not assuming (nor is Oasis Petroleum Inc. assuming) any of the undersigned's
responsibilities to comply with Section 16 of the Securities Exchange Act of
1934.

The undersigned agrees that each such attorney-in-fact may rely entirely on
information furnished orally or in writing by the undersigned to the
attorney-in-fact.  The undersigned also agrees to indemnify and hold harmless
Oasis Petroleum Inc. and each such attorney-in-fact against any losses, claims,
damages or liabilities (or actions in these respects) that arise out of or are
based upon any untrue statements or omissions of necessary facts in the
information provided by the undersigned to such attorney-in-fact for purposes of
executing, acknowledging, delivering or filing Form 3, 4 or 5, Form 144 or
Schedule 13D or 13G (including amendments thereto) and agrees to reimburse Oasis
Petroleum Inc. and the attorney-in-fact on demand for any legal or other
expenses reasonably incurred in connection with investigating or defending
against any such loss, claim, damage, liability or action.

This Power of Attorney shall remain in full force and effect until the
undersigned is no longer required to file Forms 3, 4 and 5, Form 144 and
Schedules 13D and 13G (including amendments thereto) with respect to the
undersigned's holdings of and transactions in securities issued by Oasis
Petroleum Inc., unless earlier revoked by the undersigned in a signed writing
delivered to the foregoing attorneys-in-fact.  This Power of Attorney revokes
all other powers of attorney that the undersigned has previously granted
concerning the matters described herein.

IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be
executed as of the date written below.


/s/ Douglas E. Swanson, Jr.
Douglas E. Swanson, Jr.

December 15, 2010
Date