SEC Form 4

FORM 4		UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940	OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response: 0.5
	Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person* SPO ADVISORY CORP (Last) (First) (Middle) 591 REDWOOD HIGHWAY, SUITE 3215 (Street) MILL VALLEY CA 94941 (City) (State) (Zip)	2. Issuer Name and Ticker or Trading Symbol Oasis Petroleum Inc. [ OAS ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director X 10% Owner Officer (give title below) Other (specify below)
	3. Date of Earliest Transaction (Month/Day/Year) 01/23/2015
	4. If Amendment, Date of Original Filed (Month/Day/Year)	6. Individual or Joint/Group Filing (Check Applicable Line) Form filed by One Reporting Person X Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	01/23/2015		P		1,000,000	A	$13.24	12,472,400	I(1)(2)(3)	See Footnotes

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

1. Name and Address of Reporting Person* SPO ADVISORY CORP (Last) (First) (Middle) 591 REDWOOD HIGHWAY, SUITE 3215 (Street) MILL VALLEY CA 94941 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* SPO ADVISORY PARTNERS LP (Last) (First) (Middle) 591 REDWOOD HIGHWAY, SUITE 3215 (Street) MILL VALLEY CA 94941 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* SF ADVISORY PARTNERS LP (Last) (First) (Middle) 591 REDWOOD HIGHWAY , SUITE 3215 (Street) MILL VALLEY CA 94941 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* SPO PARTNERS II LP (Last) (First) (Middle) 591 REDWOOD HIGHWAY, SUITE 3215 (Street) MILL VALLEY CA 94941 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* SAN FRANCISCO PARTNERS LP (Last) (First) (Middle) 591 REDWOOD HIGHWAY, SUITE 3215 (Street) MILL VALLEY CA 94941 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* SCULLY JOHN H (Last) (First) (Middle) 591 REDWOOD HIGHWAY, SUITE 3215 (Street) MILL VALLEY CA 94941 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* MCDERMOTT EDWARD H (Last) (First) (Middle) 591 REDWOOD HIGHWAY , SUITE 3215 (Street) MILL VALLEY CA 94941 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* WEINBERG ELI J (Last) (First) (Middle) 591 REDWOOD HIGHWAY , SUITE 3215 (Street) MILL VALLEY CA 94941 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* PHOEBE SNOW FOUNDATION (Last) (First) (Middle) 591 REDWOOD HIGHWAY , SUITE 3215 (Street) MILL VALLEY CA 94941 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

Explanation of Responses:

1. The entities acquiring these shares are SPO Partners II, L.P. ("SPO Partners"), which acquired 934,600 shares, San Francisco Partners, L.P. ("SF Partners"), which acquired 54,800 shares, and Phoebe Snow Foundation ("PSF") which acquired 10,600 shares. The range of prices for the purchases on 1/23/15, reported in Line 1 above, was $12.97-13.46.

2. As a result of the purchases causing this filing, 11,740,800 shares of the issuer's common stock are owned directly by SPO Partners, and may be deemed to be indirectly beneficially owned by (i) SPO Advisory Partners, L.P ("SPO Advisory"), the sole general partner of SPO Partners, (ii) SPO Advisory Corp. ("SPO Corp."), the sole general partner of SPO Advisory, and (iii) John H. Scully ("JHS"), Edward H. McDermott ("EHM") and Eli J. Weinberg ("EJW), the three controlling persons of SPO Corp. Additionally, as a result of the purchases causing this filing, 731,600 shares of the issuer's common stock are owned directly by SF Partners, and may be deemed to be indirectly beneficially owned by (i) SF Advisory Partners, L.P. ("SF Advisory"), the sole general partner of SF Partners, (ii) SPO Corp., the sole general partner of SF Advisory, and (iii) JHS, EHM and EJW, the three controlling persons of SPO Corp.

3. Additionally, as a result of the purchases causing this filing, 100,700 shares of the issuer's common stock are owned directly by PSF. Additionally, (i) 13,000 shares are owned directly by EHM (ii) 1,842 shares are owned directly by Ian R. McGuire and (iii) 698,000 shares are owned directly by Scully Memorial Foundation.

Remarks:

The individuals and entities listed in the notes above (each a "Reporting Person") may be deemed to form a "group", as such term is defined in rule 13d-5(b)(1) promulgated under the Securities Exchange Act of 1934, for purposes of this filing. This filing shall not be deemed as an admission by any Reporting Person that such Person is, for purposes of Section 16 of the Securities Exchange Act of 1934 or otherwise, the beneficial owner of any equity securities covered by this statement. Each Reporting Person disclaims beneficial ownership of the reported securities except to the extent of such person's pecuniary interest, if any, therein.

	Kim M. Silva, Attorney-in-Fact	01/27/2015
	** Signature of Reporting Person	Date
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