<SEC-DOCUMENT>0000899243-21-043528.txt : 20211108
<SEC-HEADER>0000899243-21-043528.hdr.sgml : 20211108
<ACCEPTANCE-DATETIME>20211108205449
ACCESSION NUMBER:		0000899243-21-043528
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20211105
FILED AS OF DATE:		20211108
DATE AS OF CHANGE:		20211108

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			SCHLUMBERGER LIMITED/NV
		CENTRAL INDEX KEY:			0000087347
		STANDARD INDUSTRIAL CLASSIFICATION:	OIL, GAS FIELD SERVICES, NBC [1389]
		STATE OF INCORPORATION:			P8
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38081
		FILM NUMBER:		211389571

	BUSINESS ADDRESS:	
		STREET 1:		5599 SAN FELIPE
		STREET 2:		17TH FLOOR
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77056
		BUSINESS PHONE:		7135132000

	MAIL ADDRESS:	
		STREET 1:		5599 SAN FELIPE
		STREET 2:		17TH FLOOR
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77056

	FORMER NAME:	
		FORMER CONFORMED NAME:	SCHLUMBERGER LTD /NV/
		DATE OF NAME CHANGE:	19951031

	FORMER NAME:	
		FORMER CONFORMED NAME:	SCHLUMBERGER NV
		DATE OF NAME CHANGE:	19920804

	FORMER NAME:	
		FORMER CONFORMED NAME:	SCHLUMBERGER LTD
		DATE OF NAME CHANGE:	19880812

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Schlumberger Technology Corp
		CENTRAL INDEX KEY:			0001831486
		STATE OF INCORPORATION:			TX
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38081
		FILM NUMBER:		211389569

	BUSINESS ADDRESS:	
		STREET 1:		300 SCHLUMBERGER DRIVE
		STREET 2:		MD 23
		CITY:			SUGAR LAND
		STATE:			TX
		ZIP:			77478
		BUSINESS PHONE:		713-513-2000

	MAIL ADDRESS:	
		STREET 1:		300 SCHLUMBERGER DRIVE
		STREET 2:		MD 23
		CITY:			SUGAR LAND
		STATE:			TX
		ZIP:			77478

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Schlumberger B.V.
		CENTRAL INDEX KEY:			0001840505
		STATE OF INCORPORATION:			P7
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38081
		FILM NUMBER:		211389570

	BUSINESS ADDRESS:	
		STREET 1:		5599 SAN FELIPE, 17TH FLOOR
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77056
		BUSINESS PHONE:		713-513-2000

	MAIL ADDRESS:	
		STREET 1:		5599 SAN FELIPE, 17TH FLOOR
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77056

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Schlumberger Holdings Corp
		CENTRAL INDEX KEY:			0001840504
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38081
		FILM NUMBER:		211389568

	BUSINESS ADDRESS:	
		STREET 1:		5599 SAN FELIPE, 17TH FLOOR
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77056
		BUSINESS PHONE:		713-513-2000

	MAIL ADDRESS:	
		STREET 1:		5599 SAN FELIPE, 17TH FLOOR
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77056

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Liberty Oilfield Services Inc.
		CENTRAL INDEX KEY:			0001694028
		STANDARD INDUSTRIAL CLASSIFICATION:	OIL, GAS FIELD SERVICES, NBC [1389]
		IRS NUMBER:				814891595
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		950 17TH STREET
		STREET 2:		SUITE 2400
		CITY:			DENVER
		STATE:			CO
		ZIP:			80202
		BUSINESS PHONE:		(303) 515-2800

	MAIL ADDRESS:	
		STREET 1:		950 17TH STREET
		STREET 2:		SUITE 2400
		CITY:			DENVER
		STATE:			CO
		ZIP:			80202
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2021-11-05</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001694028</issuerCik>
        <issuerName>Liberty Oilfield Services Inc.</issuerName>
        <issuerTradingSymbol>LBRT</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000087347</rptOwnerCik>
            <rptOwnerName>SCHLUMBERGER LIMITED/NV</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>5599 SAN FELIPE, 17TH FLOOR</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>HOUSTON</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>77056</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001840505</rptOwnerCik>
            <rptOwnerName>Schlumberger B.V.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>PARKSTRAAT 83</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>THE HAGUE</rptOwnerCity>
            <rptOwnerState>P7</rptOwnerState>
            <rptOwnerZipCode>2514 JG</rptOwnerZipCode>
            <rptOwnerStateDescription>NETHERLANDS</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001831486</rptOwnerCik>
            <rptOwnerName>Schlumberger Technology Corp</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>300 SCHLUMBERGER DRIVE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>SUGAR LAND</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>77478</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001840504</rptOwnerCik>
            <rptOwnerName>Schlumberger Holdings Corp</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>300 SCHLUMBERGER DRIVE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>SUGAR LAND</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>77478</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A Common Stock, $0.01 par value</value>
            </securityTitle>
            <transactionDate>
                <value>2021-11-05</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>9500000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>11.50</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>56826134</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F1"/>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">These securities are owned directly by Schlumberger Technology Corporation. Since Schlumberger Holdings Corporation controls Schlumberger Technology Corporation, it is deemed to beneficially own such securities held directly by Schlumberger Technology Corporation. Since Schlumberger B.V. controls Schlumberger Holdings Corporation, it is deemed to beneficially own such securities held directly by Schlumberger Technology Corporation. Since Schlumberger N.V. (Schlumberger Limited) controls Schlumberger B.V., it is deemed to beneficially own such securities held directly by Schlumberger Technology Corporation.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Schlumberger N.V. (Schlumberger Limited), By: /s/ Samantha Blons, Assistant Secretary</signatureName>
        <signatureDate>2021-11-08</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Schlumberger B.V., By: /s/ Eileen Hardell, Secretary</signatureName>
        <signatureDate>2021-11-08</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Schlumberger Holdings Corporation, By: /s/ Corrie Merchant, Treasurer</signatureName>
        <signatureDate>2021-11-08</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Schlumberger Technology Corporation, By: /s/ Corrie Merchant, Treasurer</signatureName>
        <signatureDate>2021-11-08</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
