-----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,
 QX2NBCspfdcuj9KyiRn28ZBDBQukaziqHgpMBS71KfzCruawOlo0O6xfGGXhIz/V
 AX53Rm+j3BVO7fWWcYmUvw==

<SEC-DOCUMENT>9999999995-07-003260.txt : 20070813
<SEC-HEADER>9999999995-07-003260.hdr.sgml : 20070813
<ACCEPTANCE-DATETIME>20070813001525
ACCESSION NUMBER:		9999999995-07-003260
CONFORMED SUBMISSION TYPE:	EFFECT
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20070810
DATE AS OF CHANGE:		20070813
EFFECTIVENESS DATE:		20070810

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SI HOLDINGS, G.P.
		CENTRAL INDEX KEY:			0001310336
		STANDARD INDUSTRIAL CLASSIFICATION:	OIL AND GAS FIELD EXPLORATION SERVICES [1382]
		IRS NUMBER:				760690013
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		EFFECT
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-144844-05
		FILM NUMBER:		071047029

	BUSINESS ADDRESS:	
		STREET 1:		10811 S. WESTVIEW CIRCLE
		STREET 2:		BUILDING C, SUITE 100
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77043
		BUSINESS PHONE:		713-881-8900

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

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SEITEL SOLUTIONS, LTD.
		CENTRAL INDEX KEY:			0001310333
		STANDARD INDUSTRIAL CLASSIFICATION:	OIL AND GAS FIELD EXPLORATION SERVICES [1382]
		IRS NUMBER:				760655577
		STATE OF INCORPORATION:			TX
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		EFFECT
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-144844-06
		FILM NUMBER:		071047030

	BUSINESS ADDRESS:	
		STREET 1:		10811 S. WESTVIEW CIRCLE
		STREET 2:		BUILDING C, SUITE 100
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77043
		BUSINESS PHONE:		713-881-8900

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

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SEITEL DATA CORP.
		CENTRAL INDEX KEY:			0001310321
		IRS NUMBER:				760390382
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		EFFECT
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-144844-10
		FILM NUMBER:		071047034

	BUSINESS ADDRESS:	
		STREET 1:		900 MARKET STREET
		CITY:			WILMINGTON
		STATE:			DE
		ZIP:			19801
		BUSINESS PHONE:		302-654-7584, X361

	MAIL ADDRESS:	
		STREET 1:		900 MARKET STREET
		CITY:			WILMINGTON
		STATE:			DE
		ZIP:			19801

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SEITEL CANADA HOLDINGS, INC.
		CENTRAL INDEX KEY:			0001310320
		IRS NUMBER:				760564332
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		EFFECT
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-144844-11
		FILM NUMBER:		071047035

	BUSINESS ADDRESS:	
		STREET 1:		10811 S. WESTVIEW CIRCLE
		STREET 2:		BUILDING C, SUITE 100
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77043
		BUSINESS PHONE:		713-881-8900

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

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MATRIX GEOPHYSICAL, INC.
		CENTRAL INDEX KEY:			0001310317
		IRS NUMBER:				760460633
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		EFFECT
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-144844-13
		FILM NUMBER:		071047037

	BUSINESS ADDRESS:	
		STREET 1:		10811 S. WESTVIEW CIRCLE
		STREET 2:		BUILDING C, SUITE 100
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77043
		BUSINESS PHONE:		713-881-8900

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

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			DATATEL INC
		CENTRAL INDEX KEY:			0000801011

	FILING VALUES:
		FORM TYPE:		EFFECT
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-144844-15
		FILM NUMBER:		071047039

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SEITEL SOLUTIONS HOLDINGS, LLC
		CENTRAL INDEX KEY:			0001310334
		IRS NUMBER:				760690009
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		EFFECT
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-144844-01
		FILM NUMBER:		071047025

	BUSINESS ADDRESS:	
		STREET 1:		10811 S. WESTVIEW CIRCLE
		STREET 2:		BUILDING C, SUITE 100
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77043
		BUSINESS PHONE:		713-881-8900

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

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SEITEL OFFSHORE CORP.
		CENTRAL INDEX KEY:			0001310329
		IRS NUMBER:				760309662
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		EFFECT
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-144844-04
		FILM NUMBER:		071047028

	BUSINESS ADDRESS:	
		STREET 1:		10811 S. WESTVIEW CIRCLE
		STREET 2:		BUILDING C, SUITE 100
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77043
		BUSINESS PHONE:		713-881-8900

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

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			N360X, L.L.C.
		CENTRAL INDEX KEY:			0001310318
		IRS NUMBER:				760681063
		STATE OF INCORPORATION:			TX
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		EFFECT
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-144844-12
		FILM NUMBER:		071047036

	BUSINESS ADDRESS:	
		STREET 1:		10811 S. WESTVIEW CIRCLE
		STREET 2:		BUILDING C, SUITE 100
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77043
		BUSINESS PHONE:		713-881-8900

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

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			DDD ENERGY, INC.
		CENTRAL INDEX KEY:			0001310316
		IRS NUMBER:				760397770
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		EFFECT
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-144844-14
		FILM NUMBER:		071047038

	BUSINESS ADDRESS:	
		STREET 1:		10811 S. WESTVIEW CIRCLE
		STREET 2:		BUILDING C, SUITE 100
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77043
		BUSINESS PHONE:		713-881-8900

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

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SEITEL IP HOLDINGS, LLC
		CENTRAL INDEX KEY:			0001310324
		IRS NUMBER:				760690011
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		EFFECT
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-144844-16
		FILM NUMBER:		071047041

	BUSINESS ADDRESS:	
		STREET 1:		10811 S. WESTVIEW CIRCLE
		STREET 2:		BUILDING C, SUITE 100
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77043
		BUSINESS PHONE:		713-881-8900

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

FILER:

	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

	FILING VALUES:
		FORM TYPE:		EFFECT
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-144844
		FILM NUMBER:		071047023

	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

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SEITEL DELAWARE, INC.
		CENTRAL INDEX KEY:			0001310323
		IRS NUMBER:				760488429
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		EFFECT
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-144844-08
		FILM NUMBER:		071047032

	BUSINESS ADDRESS:	
		STREET 1:		10811 S. WESTVIEW CIRCLE
		STREET 2:		BUILDING C, SUITE 100
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77043
		BUSINESS PHONE:		713-881-8900

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

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SEITEL SOLUTIONS, LLC
		CENTRAL INDEX KEY:			0001310331
		IRS NUMBER:				742993547
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		EFFECT
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-144844-02
		FILM NUMBER:		071047027

	BUSINESS ADDRESS:	
		STREET 1:		10811 S. WESTVIEW CIRCLE
		STREET 2:		BUILDING C, SUITE 100
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77043
		BUSINESS PHONE:		713-881-8900

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

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SEITEL SOLUTIONS, INC.
		CENTRAL INDEX KEY:			0001310330
		IRS NUMBER:				760672862
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		EFFECT
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-144844-03
		FILM NUMBER:		071047040

	BUSINESS ADDRESS:	
		STREET 1:		10811 S. WESTVIEW CIRCLE
		STREET 2:		BUILDING C, SUITE 100
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77043
		BUSINESS PHONE:		713-881-8900

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

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SEITEL MANAGEMENT, INC.
		CENTRAL INDEX KEY:			0001310325
		IRS NUMBER:				760490279
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		EFFECT
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-144844-07
		FILM NUMBER:		071047031

	BUSINESS ADDRESS:	
		STREET 1:		10811 S. WESTVIEW CIRCLE
		STREET 2:		BUILDING C, SUITE 100
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77043
		BUSINESS PHONE:		713-881-8900

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

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SEITEL DATA, LTD.
		CENTRAL INDEX KEY:			0001310322
		IRS NUMBER:				760488359
		STATE OF INCORPORATION:			TX
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		EFFECT
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-144844-09
		FILM NUMBER:		071047033

	BUSINESS ADDRESS:	
		STREET 1:		10811 S. WESTVIEW CIRCLE
		STREET 2:		BUILDING C, SUITE 100
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77043
		BUSINESS PHONE:		713-881-8900

	MAIL ADDRESS:	
		STREET 1:		10811 S. WESTVIEW CIRCLE
		STREET 2:		BUILDING C, SUITE 100
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77043
</SEC-HEADER>
<DOCUMENT>
<TYPE>EFFECT
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<edgarSubmission>

    <schemaVersion>X0101</schemaVersion>

    <submissionType>EFFECT</submissionType>

    <act>33</act>

    <testOrLive>LIVE</testOrLive>

    <effectiveData>
        <finalEffectivenessDispDate>2007-08-10</finalEffectivenessDispDate>
        <finalEffectivenessDispTime>15:00:00</finalEffectivenessDispTime>
        <form>S-4</form>
        <filer>
            <cik>0000750813</cik>
            <entityName>SEITEL INC</entityName>
            <fileNumber>333-144844</fileNumber>
        </filer>
        <filer>
            <cik>0001310324</cik>
            <entityName>SEITEL IP HOLDINGS, LLC</entityName>
            <fileNumber>333-144844-16</fileNumber>
        </filer>
        <filer>
            <cik>0000801011</cik>
            <entityName>DATATEL INC</entityName>
            <fileNumber>333-144844-15</fileNumber>
        </filer>
        <filer>
            <cik>0001310316</cik>
            <entityName>DDD ENERGY, INC.</entityName>
            <fileNumber>333-144844-14</fileNumber>
        </filer>
        <filer>
            <cik>0001310317</cik>
            <entityName>MATRIX GEOPHYSICAL, INC.</entityName>
            <fileNumber>333-144844-13</fileNumber>
        </filer>
        <filer>
            <cik>0001310318</cik>
            <entityName>N360X, L.L.C.</entityName>
            <fileNumber>333-144844-12</fileNumber>
        </filer>
        <filer>
            <cik>0001310320</cik>
            <entityName>SEITEL CANADA HOLDINGS, INC.</entityName>
            <fileNumber>333-144844-11</fileNumber>
        </filer>
        <filer>
            <cik>0001310321</cik>
            <entityName>SEITEL DATA CORP.</entityName>
            <fileNumber>333-144844-10</fileNumber>
        </filer>
        <filer>
            <cik>0001310322</cik>
            <entityName>SEITEL DATA, LTD.</entityName>
            <fileNumber>333-144844-09</fileNumber>
        </filer>
        <filer>
            <cik>0001310323</cik>
            <entityName>SEITEL DELAWARE, INC.</entityName>
            <fileNumber>333-144844-08</fileNumber>
        </filer>
        <filer>
            <cik>0001310325</cik>
            <entityName>SEITEL MANAGEMENT, INC.</entityName>
            <fileNumber>333-144844-07</fileNumber>
        </filer>
        <filer>
            <cik>0001310333</cik>
            <entityName>SEITEL SOLUTIONS, LTD.</entityName>
            <fileNumber>333-144844-06</fileNumber>
        </filer>
        <filer>
            <cik>0001310336</cik>
            <entityName>SI HOLDINGS, G.P.</entityName>
            <fileNumber>333-144844-05</fileNumber>
        </filer>
        <filer>
            <cik>0001310329</cik>
            <entityName>SEITEL OFFSHORE CORP.</entityName>
            <fileNumber>333-144844-04</fileNumber>
        </filer>
        <filer>
            <cik>0001310330</cik>
            <entityName>SEITEL SOLUTIONS, INC.</entityName>
            <fileNumber>333-144844-03</fileNumber>
        </filer>
        <filer>
            <cik>0001310331</cik>
            <entityName>SEITEL SOLUTIONS, LLC</entityName>
            <fileNumber>333-144844-02</fileNumber>
        </filer>
        <filer>
            <cik>0001310334</cik>
            <entityName>SEITEL SOLUTIONS HOLDINGS, LLC</entityName>
            <fileNumber>333-144844-01</fileNumber>
        </filer>
    </effectiveData>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----