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Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001170154-13-000019
Filing Date
2013-03-11
Accepted
2013-03-11 16:23:35
Documents
26
Period of Report
2012-12-31

Document Format Files

Seq Description Document Type Size
1 10-K gst-12312012x10k.htm 10-K 3480539
2 WAIVER AND FIFTH AMENDMENT TO AMENDED AND RESTATED CREDIT AGREEMENT gst-12312012xexhibit106.htm EX-10.6 66422
3 SUBSIDIARIES OF GASTAR EXPLORATION LTD. gst-20121231xexhibit211.htm EX-21.1 3892
4 CONSENT OF BDO USA, LLP gst-20121231xexhibit231.htm EX-23.1 3433
5 CONSENT OF BDO USA, LLP gst-20121231xexhibit232.htm EX-23.2 3249
6 CONSENT OF WRIGHT & COMPANY, INC. gst-20121231xexhibit233.htm EX-23.3 4697
7 CONSENT OF NETHERLAND, SEWELL & ASSOCIATES, INC. gst-20121231xexhibit234.htm EX-23.4 4332
8 CERTIFICATION OF CHIEF EXECUTIVE OFFICER gst-12312012xexhibit311.htm EX-31.1 12473
9 CERTIFICATION OF CHIEF FINANCIAL OFFICER gst-12312012xexhibit312.htm EX-31.2 12480
10 CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER gst-12312012xexhibit313.htm EX-31.3 12459
11 CERTIFICATION OF PRINCIPAL FINANCIAL AND ACCOUNTING OFFICER gst-12312012xexhibit314.htm EX-31.4 13019
12 CERTIFICATION OF CHIEF EXECUTIVE OFFICER gst-12312012xexhibit321.htm EX-32.1 4902
13 CERTIFICATION OF CHIEF FINANCIAL OFFICER gst-12312012xexhibit322.htm EX-32.2 4751
14 CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER gst-12312012xexhibit323.htm EX-32.3 4813
15 CERTIFICATION OF PRINCIPAL FINANCIAL AND ACCOUNTING OFFICER gst-12312012xexhibit324.htm EX-32.4 4873
16 REPORT OF NETHERLAND, SEWELL & ASSOCIATES, INC. gst-20121231xexhibit991.htm EX-99.1 151459
17 REPORT OF WRIGHT & COMPANY, INC. gst-20121231xexhibit992.htm EX-99.2 52655
24 nsaifooter.jpg GRAPHIC 14524
25 nsaiheader.jpg GRAPHIC 27905
26 nsaiheadercontd.jpg GRAPHIC 5589
  Complete submission text file 0001170154-13-000019.txt   20483403

Data Files

Seq Description Document Type Size
18 XBRL INSTANCE DOCUMENT gst-20121231.xml EX-101.INS 3731413
19 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT gst-20121231.xsd EX-101.SCH 101880
20 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT gst-20121231_cal.xml EX-101.CAL 139410
21 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT gst-20121231_def.xml EX-101.DEF 592526
22 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT gst-20121231_lab.xml EX-101.LAB 1197131
23 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT gst-20121231_pre.xml EX-101.PRE 718632
Mailing Address 1331 LAMAR STREET SUITE 650 HOUSTON TX 77010
Business Address 1331 LAMAR STREET SUITE 650 HOUSTON TX 77010 7137391800
GASTAR EXPLORATION LTD (Filer) CIK: 0001170154 (see all company filings)

IRS No.: 980570897 | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 001-32714 | Film No.: 13681049
SIC: 1311 Crude Petroleum & Natural Gas

Mailing Address 1331 LAMAR STREET SUITE 650 HOUSTON TX 77010
Business Address 1331 LAMAR STREET SUITE 650 HOUSTON TX 77010 (713) 739-1800
Gastar Exploration USA, Inc. (Filer) CIK: 0001431372 (see all company filings)

IRS No.: 383531640 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 001-35211 | Film No.: 13681050
SIC: 1311 Crude Petroleum & Natural Gas