UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Notice of Effectiveness
Effectiveness Date: September 8, 2010 3:00 P.M.
Form: S-4
CIK: 0000314606
Company Name: GEOKINETICS INC
File Number: 333-169029
CIK: 0001481690
Company Name: Geokinetics Holdings USA, Inc.
File Number: 333-169029-09
CIK: 0001466962
Company Name: Geokinetics Processing, Inc.
File Number: 333-169029-08
CIK: 0001466961
Company Name: Geokinetics USA, Inc.
File Number: 333-169029-07
CIK: 0001058200
Company Name: ADVANCED SEISMIC TECHNOLOGY INC
File Number: 333-169029-06
CIK: 0001466960
Company Name: Geokinetics International, Inc.
File Number: 333-169029-05
CIK: 0001466959
Company Name: Geokinetics Management, Inc.
File Number: 333-169029-04
CIK: 0001466958
Company Name: Geokinetics Services Corp.
File Number: 333-169029-03
CIK: 0001466887
Company Name: Geokinetics International Holdings, Inc.
File Number: 333-169029-02
CIK: 0001482777
Company Name: Geokinetics Acquisition Co
File Number: 333-169029-01