<SEC-DOCUMENT>0001209191-23-048522.txt : 20230906
<SEC-HEADER>0001209191-23-048522.hdr.sgml : 20230906
<ACCEPTANCE-DATETIME>20230906181421
ACCESSION NUMBER:		0001209191-23-048522
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20230901
FILED AS OF DATE:		20230906
DATE AS OF CHANGE:		20230906

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Halverson Gary M.
		CENTRAL INDEX KEY:			0001504164

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39270
		FILM NUMBER:		231240517

	MAIL ADDRESS:	
		STREET 1:		1333 WEST LOOP SOUTH, SUITE 1700
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77027

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PATTERSON UTI ENERGY INC
		CENTRAL INDEX KEY:			0000889900
		STANDARD INDUSTRIAL CLASSIFICATION:	DRILLING OIL & GAS WELLS [1381]
		IRS NUMBER:				752504748
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		10713 WEST SAM HOUSTON PARKWAY NORTH
		STREET 2:		SUITE 800
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77064
		BUSINESS PHONE:		2817657100

	MAIL ADDRESS:	
		STREET 1:		10713 WEST SAM HOUSTON PARKWAY NORTH
		STREET 2:		SUITE 800
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77064

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PATTERSON ENERGY INC
		DATE OF NAME CHANGE:	19940228
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0508</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2023-09-01</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000889900</issuerCik>
        <issuerName>PATTERSON UTI ENERGY INC</issuerName>
        <issuerTradingSymbol>PTEN</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001504164</rptOwnerCik>
            <rptOwnerName>Halverson Gary M.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>10713 W SAM HOUSTON PKWY N</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 800</rptOwnerStreet2>
            <rptOwnerCity>HOUSTON</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>77064</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock, $.01 par value per share</value>
            </securityTitle>
            <transactionDate>
                <value>2023-09-01</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>130582</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>130582</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">This Form 4 reports securities acquired in connection with the mergers (the &quot;Mergers&quot;) contemplated by that certain Agreement and Plan of Merger (as amended, the &quot;Merger Agreement&quot;), dated as of June 14, 2023, by and among Patterson-UTI Energy, Inc. (the &quot;Issuer&quot;), certain subsidiaries of the Issuer, and NexTier Oilfield Solutions Inc. (&quot;NexTier&quot;). On September 1, 2023, as a result of the Mergers contemplated by the Merger Agreement, at the Effective Time (as defined in the Merger Agreement), each outstanding share of common stock of NexTier was converted automatically into the right to receive 0.7520 shares of common stock of the Issuer, with cash paid in lieu of the issuance of any fractional shares of the Issuer's common stock.</footnote>
        <footnote id="F2">The shares of the Issuer's common stock reported above were acquired by the Reporting Person in respect of the shares of common stock of NexTier owned by the Reporting Person immediately prior to the Effective Time. On the trading day immediately prior to the Effective Time, the closing price of the Issuer's common stock was $14.14 per share and the closing price of NexTier's common stock was $10.61 per share.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>By Forrest Robinson pursuant to a limited power of attorney filed with the SEC on 09/06/2023 /s/Forrest Robinson</signatureName>
        <signatureDate>2023-09-06</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
