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Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001170154-12-000007
Filing Date
2012-03-08
Accepted
2012-03-08 16:45:15
Documents
25
Period of Report
2011-12-31

Document Format Files

Seq Description Document Type Size
1 gst-20111231x10k.htm 10-K 3310185
2 SUBSIDIARIES OF GASTAR EXPLORATION LTD. gst-20111231xexhibit211.htm EX-21.1 4078
3 CONSENT OF BDO USA, LLP gst-20111231xexhibit231.htm EX-23.1 3430
4 CONSENT OF BDO USA, LLP gst-20111231xexhibit232.htm EX-23.2 3246
5 CONSENT OF WRIGHT & COMPANY, INC. gst-20111231xexhibit233.htm EX-23.3 4177
6 CONSENT OF NETHERLAND, SEWELL & ASSOCIATES, INC. gst-20111231xexhibit234.htm EX-23.4 4096
7 CERTIFICATION OF CEO OF GASTAR EXPLORATION LTD. (SECTION 302) gst-20111231xexhibit311.htm EX-31.1 12705
8 CERTIFICATION OF CFO OF GASTAR EXPLORATION LTD. (SECTION 302) gst-20111231xexhibit312.htm EX-31.2 12600
9 CERTIFICATION OF PRESIDENT OF GASTAR EXPLORATION USA, INC. (SECTION 302) gst-20111231xexhibit313.htm EX-31.3 12824
10 CERTIFICATION OF TREASURER OF GASTAR EXPLORATION USA, INC. (SECTION 302) gst-20111231xexhibit314.htm EX-31.4 12741
11 CERTIFICATION OF CEO OF GASTAR EXPLORATION LTD. (SECTION 906) gst-20111231xexhibit321.htm EX-32.1 4472
12 CERTIFICATION OF CFO OF GASTAR EXPLORATION LTD. (SECTION 906) gst-20111231xexhibit322.htm EX-32.2 4365
13 CERTIFICATION OF PRESIDENT OF GASTAR EXPLORATION USA, INC. (SECTION 906) gst-20111231xexhibit323.htm EX-32.3 4459
14 CERTIFICATION OF TREASURER OF GASTAR EXPLORATION USA, INC. (SECTION 906) gst-20111231xexhibit324.htm EX-32.4 4351
15 REPORT OF NETHERLAND, SEWELL & ASSOCIATES, INC. gst-20111231xexhibit991.htm EX-99.1 178883
16 REPORT OF WRIGHT & COMPANY, INC. gst-20111231xexhibit992.htm EX-99.2 52955
23 header.jpg GRAPHIC 41531
24 nsaifooter.jpg GRAPHIC 14524
25 nsaiheadercontd.jpg GRAPHIC 5589
  Complete submission text file 0001170154-12-000007.txt   14710200

Data Files

Seq Description Document Type Size
17 XBRL INSTANCE DOCUMENT gst-20111231.xml EX-101.INS 2975238
18 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT gst-20111231.xsd EX-101.SCH 22509
19 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT gst-20111231_cal.xml EX-101.CAL 73576
20 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT gst-20111231_def.xml EX-101.DEF 204681
21 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT gst-20111231_lab.xml EX-101.LAB 328670
22 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT gst-20111231_pre.xml EX-101.PRE 225742
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.: 12677791
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.: 12677792
SIC: 1311 Crude Petroleum & Natural Gas