    <SEC-DOCUMENT>0001486159-20-000115-index.html : 20201120
    <SEC-HEADER>0001486159-20-000115.hdr.sgml : 20201120
    <ACCEPTANCE-DATETIME>20201120061201
    ACCESSION NUMBER:		0001486159-20-000115
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		23
    CONFORMED PERIOD OF REPORT:	20201119
    ITEM INFORMATION:		Entry into a Material Definitive Agreement
    ITEM INFORMATION:		Termination of a Material Definitive Agreement
    ITEM INFORMATION:		Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant
    ITEM INFORMATION:		Unregistered Sales of Equity Securities
    ITEM INFORMATION:		Material Modifications to Rights of Security Holders
    ITEM INFORMATION:		Changes in Control of Registrant
    ITEM INFORMATION:		Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers
    ITEM INFORMATION:		Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20201120
    DATE AS OF CHANGE:		20201120

    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:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-34776
    		FILM NUMBER:		201330422

    	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
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>8-K
    <SEQUENCE>1
    <FILENAME>oas-20201119.htm
    <DESCRIPTION>8-K
    <TEXT>
    Document 1 - file: oas-20201119.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-3.1
    <SEQUENCE>2
    <FILENAME>oasis-ex31xarcertifica.htm
    <DESCRIPTION>EX-3.1
    <TEXT>
    Document 2 - file: oasis-ex31xarcertifica.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-3.2
    <SEQUENCE>3
    <FILENAME>oasis-ex32xarbylawsfin.htm
    <DESCRIPTION>EX-3.2
    <TEXT>
    Document 3 - file: oasis-ex32xarbylawsfin.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-10.1
    <SEQUENCE>4
    <FILENAME>oasispetroleumcreditag.htm
    <DESCRIPTION>EX-10.1
    <TEXT>
    Document 4 - file: oasispetroleumcreditag.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-10.2
    <SEQUENCE>5
    <FILENAME>oasis-ex102xwarrantagr.htm
    <DESCRIPTION>EX-10.2
    <TEXT>
    Document 5 - file: oasis-ex102xwarrantagr.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-10.3
    <SEQUENCE>6
    <FILENAME>oasis-ex103xregistrati.htm
    <DESCRIPTION>EX-10.3
    <TEXT>
    Document 6 - file: oasis-ex103xregistrati.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-10.4
    <SEQUENCE>7
    <FILENAME>oasis-ex104xformofinde.htm
    <DESCRIPTION>EX-10.4
    <TEXT>
    Document 7 - file: oasis-ex104xformofinde.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-10.5
    <SEQUENCE>8
    <FILENAME>oasis-ex105xmipfilingv.htm
    <DESCRIPTION>EX-10.5
    <TEXT>
    Document 8 - file: oasis-ex105xmipfilingv.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.2
    <SEQUENCE>9
    <FILENAME>oasemergencereleasefil.htm
    <DESCRIPTION>EX-99.2
    <TEXT>
    Document 9 - file: oasemergencereleasefil.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.SCH
    <SEQUENCE>10
    <FILENAME>oas-20201119.xsd
    <DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT
    <TEXT>
    Document 10 - file: oas-20201119.xsd

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.CAL
    <SEQUENCE>11
    <FILENAME>oas-20201119_cal.xml
    <DESCRIPTION>XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT
    <TEXT>
    Document 11 - file: oas-20201119_cal.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.DEF
    <SEQUENCE>12
    <FILENAME>oas-20201119_def.xml
    <DESCRIPTION>XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT
    <TEXT>
    Document 12 - file: oas-20201119_def.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.LAB
    <SEQUENCE>13
    <FILENAME>oas-20201119_lab.xml
    <DESCRIPTION>XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT
    <TEXT>
    Document 13 - file: oas-20201119_lab.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.PRE
    <SEQUENCE>14
    <FILENAME>oas-20201119_pre.xml
    <DESCRIPTION>XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT
    <TEXT>
    Document 14 - file: oas-20201119_pre.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>15
    <FILENAME>image_01.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 15 - file: image_01.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>16
    <FILENAME>oas-20201119_htm.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 16 - file: oas-20201119_htm.html

    Document 16 - RAW XML: oas-20201119_htm.xml

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    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>17
    <FILENAME>R1.htm
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 17 - file: R1.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EXCEL
    <SEQUENCE>18
    <FILENAME>Financial_Report.xlsx
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 18 - file: Financial_Report.xlsx

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>19
    <FILENAME>Show.js
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 19 - file: Show.js

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>20
    <FILENAME>report.css
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 20 - file: report.css

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>21
    <FILENAME>FilingSummary.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 21 - file: FilingSummary.html

    Document 21 - RAW XML: FilingSummary.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>JSON
    <SEQUENCE>24
    <FILENAME>MetaLinks.json
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 24 - file: MetaLinks.json

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>ZIP
    <SEQUENCE>25
    <FILENAME>0001486159-20-000115-xbrl.zip
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 25 - file: 0001486159-20-000115-xbrl.zip

    </DOCUMENT>
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