    <SEC-DOCUMENT>0001486159-18-000018-index.html : 20180402
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    <ACCEPTANCE-DATETIME>20180402085915
    ACCESSION NUMBER:		0001486159-18-000018
    CONFORMED SUBMISSION TYPE:	DEF 14A
    PUBLIC DOCUMENT COUNT:		11
    CONFORMED PERIOD OF REPORT:	20180503
    FILED AS OF DATE:		20180402
    DATE AS OF CHANGE:		20180402
    EFFECTIVENESS DATE:		20180402

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			Oasis Petroleum Inc.
    		CENTRAL INDEX KEY:			0001486159
    		STANDARD INDUSTRIAL CLASSIFICATION:	CRUDE PETROLEUM & NATURAL GAS [1311]
    		IRS NUMBER:				000000000
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		DEF 14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-34776
    		FILM NUMBER:		18727371

    	BUSINESS ADDRESS:
    		STREET 1:		1001 FANNIN STREET
    		STREET 2:		SUITE 1500
    		CITY:			HOUSTON
    		STATE:			TX
    		ZIP:			77002
    		BUSINESS PHONE:		281-404-9500

    	MAIL ADDRESS:
    		STREET 1:		1001 FANNIN STREET
    		STREET 2:		SUITE 1500
    		CITY:			HOUSTON
    		STATE:			TX
    		ZIP:			77002
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