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Filing Detail
Form 8-K - Current report:
SEC Accession No. 0000866609-19-000092
Filing Date
2019-11-08
Accepted
2019-11-08 16:04:31
Documents
112
Period of Report
2019-11-08
Items
Item 8.01: Other Events
Item 9.01: Financial Statements and Exhibits

Document Format Files

Seq Description Document Type Size
1 8-K a20198ksegmentchanges.htm 8-K 38185
2 EXHIBIT 23.1 ex231gtconsentfor8k.htm EX-23.1 13714
3 EXHIBIT 99.1 a12311810k2018.htm EX-99.1 2839353
  Complete submission text file 0000866609-19-000092.txt   16655115

Data Files

Seq Description Document Type Size
4 XBRL INSTANCE DOCUMENT io-20181231.xml EX-101.INS 4753664
5 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT io-20181231.xsd EX-101.SCH 86240
6 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT io-20181231_cal.xml EX-101.CAL 135464
7 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT io-20181231_def.xml EX-101.DEF 453058
8 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT io-20181231_lab.xml EX-101.LAB 1072184
9 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT io-20181231_pre.xml EX-101.PRE 715380
Mailing Address 2105 CITYWEST BLVD SUITE 100 HOUSTON TX 770422855
Business Address 2105 CITYWEST BLVD SUITE 100 HOUSTON TX 770422855 2819333339
ION GEOPHYSICAL CORP (Filer) CIK: 0000866609 (see all company filings)

IRS No.: 222286646 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 8-K | Act: 34 | File No.: 001-12691 | Film No.: 191204045
SIC: 1382 Oil & Gas Field Exploration Services