9999999997-13-008610.txt : 20130423
9999999997-13-008610.hdr.sgml : 20130423
20130423105707
ACCESSION NUMBER: 9999999997-13-008610
CONFORMED SUBMISSION TYPE: ARS
PUBLIC DOCUMENT COUNT: 1
CONFORMED PERIOD OF REPORT: 20121231
FILED AS OF DATE: 20130418
DATE AS OF CHANGE: 20130423
EFFECTIVENESS DATE: 20130418
FILER:
COMPANY DATA:
COMPANY CONFORMED NAME: ION GEOPHYSICAL CORP
CENTRAL INDEX KEY: 0000866609
STANDARD INDUSTRIAL CLASSIFICATION: OIL AND GAS FIELD EXPLORATION SERVICES [1382]
IRS NUMBER: 222286646
STATE OF INCORPORATION: DE
FISCAL YEAR END: 1231
FILING VALUES:
FORM TYPE: ARS
SEC ACT: 1934 Act
SEC FILE NUMBER: 001-12691
FILM NUMBER: 13002054
BUSINESS ADDRESS:
STREET 1: 2105 CITYWEST BLVD
STREET 2: SUITE 400
CITY: HOUSTON
STATE: TX
ZIP: 770422839
BUSINESS PHONE: 281.933.3339
MAIL ADDRESS:
STREET 1: 2105 CITYWEST BLVD
STREET 2: SUITE 400
CITY: HOUSTON
STATE: TX
ZIP: 770422839
FORMER COMPANY:
FORMER CONFORMED NAME: INPUT OUTPUT INC
DATE OF NAME CHANGE: 19930328
ARS
1
9999999997-13-008610.paper
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