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 AUTO-GENERATED PAPER DOCUMENT This document was generated as part of a paper submission. Please reference the Document Control Number 13002054 for access to the original document.