-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 Wf/XxLapL0aHgG7XEibnfPqq3SoQ0bSdvG5A7wH5yNEBWA4/66Eg/J+JVTIU/H9l
 fjI6orErk4chljxJeYcwQw==

<SEC-DOCUMENT>0001326634-05-000001.txt : 20050824
<SEC-HEADER>0001326634-05-000001.hdr.sgml : 20050824
<ACCEPTANCE-DATETIME>20050824170154
ACCESSION NUMBER:		0001326634-05-000001
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20050824
FILED AS OF DATE:		20050824
DATE AS OF CHANGE:		20050824

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Anderson Donna L
		CENTRAL INDEX KEY:			0001326634

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-10165
		FILM NUMBER:		051046564

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		713-881-8900

	MAIL ADDRESS:	
		STREET 1:		10811 S. WESTVIEW CIRCLE DRIVE
		STREET 2:		BUILDING C, SUITE 100
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77043

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SEITEL INC
		CENTRAL INDEX KEY:			0000750813
		STANDARD INDUSTRIAL CLASSIFICATION:	OIL AND GAS FIELD EXPLORATION SERVICES [1382]
		IRS NUMBER:				760025431
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		10811 S. WESTVIEW CIRCLE
		STREET 2:		BUILDING C, SUITE 100
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77043
		BUSINESS PHONE:		7138818900

	MAIL ADDRESS:	
		STREET 1:		10811 S. WESTVIEW CIRCLE
		STREET 2:		BUILDING C, SUITE 100
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77043

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SEISMIC ENTERPRISES INC
		DATE OF NAME CHANGE:	19870814
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2005-08-24</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000750813</issuerCik>
        <issuerName>SEITEL INC</issuerName>
        <issuerTradingSymbol>SELA</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001326634</rptOwnerCik>
            <rptOwnerName>Anderson Donna L</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>10811 S. WESTVIEW CIRCLE DRIVE</rptOwnerStreet1>
            <rptOwnerStreet2>BUILDING C, SUITE 100</rptOwnerStreet2>
            <rptOwnerCity>HOUSTON</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>77043</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Controller</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock, par value $.01 per share</value>
            </securityTitle>
            <transactionDate>
                <value>2005-08-24</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>500</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>1.75</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>500</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <ownerSignature>
        <signatureName>/s/ Donna L. Anderson</signatureName>
        <signatureDate>2005-08-24</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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