Chord Energy Corp — Director's Dealing 2012

Sep 11, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Oasis Petroleum Inc. (OAS)
CIK: 0001486159
Period of Report: 2012-09-06

Reporting Person: SPO ADVISORY CORP (10% Owner)
Reporting Person: SPO ADVISORY PARTNERS LP (10% Owner)
Reporting Person: SF ADVISORY PARTNERS LP (10% Owner)
Reporting Person: SPO PARTNERS II LP (10% Owner)
Reporting Person: SAN FRANCISCO PARTNERS LP (10% Owner)
Reporting Person: SCULLY JOHN H (10% Owner)
Reporting Person: MCDERMOTT EDWARD H (10% Owner)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-09-06	Common Stock	S	300000	$30.87	Disposed	9215949	Indirect

Footnotes

F1: The entity directly selling these shares reported in this filing is SPO Partners II, L.P. ("SPO Partners"), which sold 300,000 shares. The range of prices for the sales on 9/6/12, reported on Line 1 above, was $30.37-31.23.

F2: As a result of the sales causing this filing, 8,907,149 shares 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") and Edward H. McDermott ("EHM"), the two controlling persons of SPO Corp.

F3: Additionally, 308,800 shares are owned directly by San Francisco Partners, L.P. ("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 and EHM, the two controlling persons of SPO Corp. Additionally, 15,100 shares are owned by JHS and are held in IRAs, which are self-directed, and 1,000 shares are owned by EHM and are held in IRAs, which are self-directed.

F4: A portion of the shares sold in this transaction causing this filing is a transaction that is matchable under Section 16(b) of the Securities Exchange Act of 1934. The matchable shares represent less than 0.01% of the outstanding shares held by the reporting persons and are matchable as a result of an internal restructuring that amounted to an indirect purchase. A reporting person included in the filing is disgorging the deemed profits from this transaction to the issuer from the sale of these shares.