-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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 3JhnE1HV3YxrvBLezJiKBQ==

<SEC-DOCUMENT>0000928054-03-000036.txt : 20030826
<SEC-HEADER>0000928054-03-000036.hdr.sgml : 20030826
<ACCEPTANCE-DATETIME>20030826155943
ACCESSION NUMBER:		0000928054-03-000036
CONFORMED SUBMISSION TYPE:	4/A
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030826
FILED AS OF DATE:		20030826

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			FLOTEK INDUSTRIES INC/CN/
		CENTRAL INDEX KEY:			0000928054
		STANDARD INDUSTRIAL CLASSIFICATION:	WHOLESALE-INDUSTRIAL MACHINERY & EQUIPMENT [5084]
		IRS NUMBER:				900023731
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		7030 EMPIRE CENTRAL DRIVE
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77040
		BUSINESS PHONE:		7138499911

	MAIL ADDRESS:	
		STREET 1:		7030 EMPIRE CENTRAL DRIVE
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77040

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			DUMAS JERRY D SR
		CENTRAL INDEX KEY:			0001118049

	FILING VALUES:
		FORM TYPE:		4/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-13270
		FILM NUMBER:		03866704

	BUSINESS ADDRESS:	
		STREET 1:		C/O FLOTEK INDUSTRIES INC
		STREET 2:		7030 EMPIRE CENTRAL
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77040
		BUSINESS PHONE:		7138499911

	MAIL ADDRESS:	
		STREET 1:		6560 COPPAGE
		STREET 2:		6560 COPPAGE
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77007
</SEC-HEADER>
<DOCUMENT>
<TYPE>4/A
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>

<ownershipDocument>

    <schemaVersion>X0201</schemaVersion>

    <documentType>4/A</documentType>

    <periodOfReport>2003-08-26</periodOfReport>

    <dateOfOriginalSubmission>2003-08-20</dateOfOriginalSubmission>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000928054</issuerCik>
        <issuerName>FLOTEK INDUSTRIES INC/CN/</issuerName>
        <issuerTradingSymbol>fltk</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001118049</rptOwnerCik>
            <rptOwnerName>DUMAS JERRY D SR</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>6560 COPPAGE</rptOwnerStreet1>
            <rptOwnerStreet2>6560 COPPAGE</rptOwnerStreet2>
            <rptOwnerCity>HOUSTON</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>77007</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>

        <derivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>11.4</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2003-08-18</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>D</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>18280</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>11.4</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>1998-08-18</value>
            </exerciseDate>
            <expirationDate>
                <value>2003-08-18</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Options</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>18280</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>66265</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>

        <derivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
                <footnoteId id="F1"/>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>0.6</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2003-08-20</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>125000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.6</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2003-08-26</value>
            </exerciseDate>
            <expirationDate>
                <value>2013-12-31</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Options</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>125000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>191265</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>

    </derivativeTable>

    <footnotes>
        <footnote id="F1">Information incorrectly reported on 8/20/2003 on table 1. This is a correction to the table.</footnote>
    </footnotes>


    <ownerSignature>
        <signatureName>/s/Jerry D. Dumas, Sr.</signatureName>
        <signatureDate>2003-08-26</signatureDate>
    </ownerSignature>

</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----