<SEC-DOCUMENT>0001085550-17-000002.txt : 20171102
<SEC-HEADER>0001085550-17-000002.hdr.sgml : 20171102
<ACCEPTANCE-DATETIME>20171102162650
ACCESSION NUMBER:		0001085550-17-000002
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20171101
FILED AS OF DATE:		20171102
DATE AS OF CHANGE:		20171102

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Baldwin David C
		CENTRAL INDEX KEY:			0001359478

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38066
		FILM NUMBER:		171172759

	MAIL ADDRESS:	
		STREET 1:		11700 OLD KATY ROAD
		STREET 2:		SUITE 300
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77079

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			SIMMONS L E
		CENTRAL INDEX KEY:			0001248279

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38066
		FILM NUMBER:		171172764

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			SCF VI LP
		CENTRAL INDEX KEY:			0001334122

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38066
		FILM NUMBER:		171172763

	BUSINESS ADDRESS:	
		STREET 1:		600 TRAVIS STE 6600
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77002

	MAIL ADDRESS:	
		STREET 1:		600 TRAVIS STE 6600
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77002

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			SCF-VI, G.P., Limited Partnership
		CENTRAL INDEX KEY:			0001380957
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38066
		FILM NUMBER:		171172762

	BUSINESS ADDRESS:	
		STREET 1:		600 TRAVIS STREET
		STREET 2:		SUITE 6600
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77002
		BUSINESS PHONE:		713.227.7888

	MAIL ADDRESS:	
		STREET 1:		600 TRAVIS STREET
		STREET 2:		SUITE 6600
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77002

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			SCF-VII, G.P., Limited Partnership
		CENTRAL INDEX KEY:			0001546823
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38066
		FILM NUMBER:		171172761

	BUSINESS ADDRESS:	
		STREET 1:		600 TRAVIS
		STREET 2:		SUITE 6600
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77002
		BUSINESS PHONE:		(713) 227-7888

	MAIL ADDRESS:	
		STREET 1:		600 TRAVIS
		STREET 2:		SUITE 6600
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77002

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			SCF-VII, L.P.
		CENTRAL INDEX KEY:			0001546824
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38066
		FILM NUMBER:		171172760

	BUSINESS ADDRESS:	
		STREET 1:		600 TRAVIS
		STREET 2:		SUITE 6600
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77002
		BUSINESS PHONE:		(713) 227-7888

	MAIL ADDRESS:	
		STREET 1:		600 TRAVIS
		STREET 2:		SUITE 6600
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77002

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Select Energy Services, Inc.
		CENTRAL INDEX KEY:			0001693256
		STANDARD INDUSTRIAL CLASSIFICATION:	OIL, GAS FIELD SERVICES, NBC [1389]
		IRS NUMBER:				814561945
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1400 POST OAK BLVD., SUITE 400
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77056
		BUSINESS PHONE:		(940) 668-1818

	MAIL ADDRESS:	
		STREET 1:		1400 POST OAK BLVD., SUITE 400
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77056
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>wf-form3_150965439670101.xml
<DESCRIPTION>FORM 3
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2017-11-01</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001693256</issuerCik>
        <issuerName>Select Energy Services, Inc.</issuerName>
        <issuerTradingSymbol>WTTR</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001248279</rptOwnerCik>
            <rptOwnerName>SIMMONS L E</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>600 TRAVIS, SUITE 6600</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>HOUSTON</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>77002</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001334122</rptOwnerCik>
            <rptOwnerName>SCF VI LP</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>600 TRAVIS, SUITE 6600</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>HOUSTON</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>77002</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001380957</rptOwnerCik>
            <rptOwnerName>SCF-VI, G.P., Limited Partnership</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>600 TRAVIS, SUITE 6600</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>HOUSTON</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>77002</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001546823</rptOwnerCik>
            <rptOwnerName>SCF-VII, G.P., Limited Partnership</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>600 TRAVIS, SUITE 6600</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>HOUSTON</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>77002</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001546824</rptOwnerCik>
            <rptOwnerName>SCF-VII, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>600 TRAVIS, SUITE 6600</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>HOUSTON</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>77002</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001359478</rptOwnerCik>
            <rptOwnerName>Baldwin David C</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>600 TRAVIS, SUITE 6600</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>HOUSTON</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>77002</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Class A Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>16191331</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>SEE FOOTNOTES</value>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                    <footnoteId id="F4"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Received in exchange for 21,159,609 shares of Class A common stock, $0.01 par value per share, of Rockwater Energy Solutions, Inc. (&quot;Rockwater&quot;) in connection with the acquisition of Rockwater by Select Energy Services, Inc. (the &quot;Issuer&quot;).</footnote>
        <footnote id="F2">Represents 8,773,760 shares of Class A common stock, $0.01 par value per share, of the Issuer (&quot;Class A Common Stock&quot;) directly beneficially owned by SCF-VI, L.P., 6,374,474 shares of Class A Common Stock directly beneficially owned by SCF-VII, L.P. and 1,043,097 shares of Class A Common Stock directly beneficially owned by SCF-VII(A), L.P.</footnote>
        <footnote id="F3">L. E. Simmons is the President and sole member of the board of directors of L.E. Simmons &amp; Associates, Incorporated, a Delaware corporation (&quot;LESA&quot;), which is the sole general partner of each of SCF-VI, G.P., Limited Partnership (&quot;SCF-VI GP&quot;), SCF-VII, G.P., Limited Partnership (&quot;SCF-VII GP&quot;) and SCF-VII(A), G.P., Limited Partnership (&quot;SCF-VII(A) GP&quot;). Additionally, SCF-VI GP is the sole general partner of SCF-VI, L.P., SCF-VII, GP is the sole general partner of SCF-VII, L.P. and SCF-VII(A) GP is the sole general partner of SCF-VII(A), L.P. Based on the reporting person's affiliation with SCF-VI, L.P., SCF-VII, L.P. and SCF-VII(A), L.P., L. E. Simmons may be deemed to beneficially own all of the shares of common stock of the Issuer beneficially owned or deemed to be beneficially owned by SCF-VI, L.P., SCF-VII, L.P. and SCF-VII(A), L.P. Mr. Simmons disclaims beneficial ownership of all such interests.</footnote>
        <footnote id="F4">David C. Baldwin is a member of the Issuer's board of directors.  Mr. Baldwin serves as Co-President of LESA. As such, Mr. Baldwin may be deemed to have dispositive power over the shares of common stock owned by SCF-VI, L.P., SCF-VII, L.P. and SCF-VII(A), L.P. Mr. Baldwin disclaims beneficial ownership of all such interests.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>L.E. Simmons</signatureName>
        <signatureDate>2017-11-02</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
