| 723620 | Sep 19, 2011 | Sep 19, 2011 | GMT Exploration Co Texas, LLC | Rusk | Garrison #3 | 11,964 | 40134134 |
| 628590Amendment | Aug 9, 2008 | Aug 9, 2008 | GMT Exploration Co Texas, LLC | Rusk | Garrison #3 | 12,500 | 40134134 |
| 656192 | Apr 25, 2008 | Apr 25, 2008 | GMT Exploration Co Texas, LLC | Fisher | Davenport #128A | 7,000 | 15132692 |
| 656145 | Mar 7, 2008 | Mar 7, 2008 | GMT Exploration Co Texas, LLC | Fisher | Davenport #130A | 7,000 | 15132682 |
| 656145Amendment | Mar 7, 2008 | Mar 7, 2008 | GMT Exploration Co Texas, LLC | Fisher | Davenport #130A | 7,000 | 15132682 |
| 656145Amendment | Mar 7, 2008 | Mar 7, 2008 | GMT Exploration Co Texas, LLC | Fisher | Davenport #130A | 7,000 | 15132682 |
| 656141 | Mar 7, 2008 | Mar 7, 2008 | GMT Exploration Co Texas, LLC | Fisher | Davenport A #177A | 7,300 | 15132683 |
| 654577 | Feb 19, 2008 | Feb 19, 2008 | GMT Exploration Co Texas, LLC | Rusk | Schwartz #1 | 11,000 | 40134646 |
| 654577Amendment | Feb 19, 2008 | Feb 19, 2008 | GMT Exploration Co Texas, LLC | Rusk | Schwartz #1 | 12,000 | 40134646 |
| 642900 | Sep 14, 2007 | Sep 14, 2007 | GMT Exploration Co Texas, LLC | Anderson | Temple Inland #1 | 17,000 | 00132572 |
| 642438 | Jul 27, 2007 | Jul 27, 2007 | GMT Exploration Co Texas, LLC | Rusk | Wagers #1R | 9,000 | 40134435 |
| 632825 | Mar 2, 2007 | Mar 2, 2007 | GMT Exploration Co Texas, LLC | Rusk | Grammier #1 | 10,800 | 40134221 |
| 632886 | Feb 14, 2007 | Feb 14, 2007 | GMT Exploration Co Texas, LLC | Rusk | Boles #6 | 9,800 | 40134219 |
| 632885 | Feb 14, 2007 | Feb 14, 2007 | GMT Exploration Co Texas, LLC | Rusk | Boles #8 | 9,800 | 40134225 |
| 632882 | Feb 14, 2007 | Feb 14, 2007 | GMT Exploration Co Texas, LLC | Rusk | Boles #9 | 9,800 | 40134222 |
| 632882Amendment | Feb 14, 2007 | Feb 14, 2007 | GMT Exploration Co Texas, LLC | Rusk | Boles #9 | 11,400 | 40134222 |
| 632830 | Feb 13, 2007 | Feb 13, 2007 | GMT Exploration Co Texas, LLC | Rusk | Boles #4 | 9,800 | 40134224 |
| 632823 | Feb 13, 2007 | Feb 13, 2007 | GMT Exploration Co Texas, LLC | Rusk | Jada Inc. #1 | 10,800 | 40134220 |
| 632343 | Feb 10, 2007 | Feb 10, 2007 | GMT Exploration Co Texas, LLC | Rusk | Wagers #1 | 10,800 | 40134217 |
| 630011 | Dec 19, 2006 | Dec 19, 2006 | GMT Exploration Co Texas, LLC | Rusk | McIver #4 | 9,800 | 40134165 |
| 628590 | Nov 17, 2006 | Nov 17, 2006 | GMT Exploration Co Texas, LLC | Rusk | Garrison #3 | 9,800 | 40134134 |
| 627964 | Oct 30, 2006 | Oct 30, 2006 | GMT Exploration Co Texas, LLC | Rusk | Smith #8 | 9,800 | 40134115 |
| 626964 | Oct 16, 2006 | Oct 16, 2006 | GMT Exploration Co Texas, LLC | Rusk | Adams #5 | 9,800 | 40134092 |
| 626966 | Oct 13, 2006 | Oct 13, 2006 | GMT Exploration Co Texas, LLC | Rusk | Adams #4 | 9,800 | 40134090 |
| 626461 | Sep 29, 2006 | Sep 29, 2006 | GMT Exploration Co Texas, LLC | Rusk | Langston, John #1 | 9,800 | 40134082 |
| 626433 | Sep 22, 2006 | Sep 22, 2006 | GMT Exploration Co Texas, LLC | Rusk | Smith #9 | 9,800 | 40134076 |
| 625907 | Sep 20, 2006 | Sep 20, 2006 | GMT Exploration Co Texas, LLC | Rusk | Wheeler #3 | 9,800 | 40134065 |
| 625904 | Sep 20, 2006 | Sep 20, 2006 | GMT Exploration Co Texas, LLC | Rusk | Mc Iver #2 | 9,800 | 40134064 |
| 625098 | Sep 5, 2006 | Sep 5, 2006 | GMT Exploration Co Texas, LLC | Rusk | Adams #2 | 9,800 | 40134046 |
| 625098Amendment | Sep 5, 2006 | Sep 5, 2006 | GMT Exploration Co Texas, LLC | Rusk | Adams #2 | 11,000 | 40134046 |
| 625098Amendment | Sep 5, 2006 | Sep 5, 2006 | GMT Exploration Co Texas, LLC | Rusk | Adams #2 | 12,000 | 40134046 |
| 625112 | Sep 1, 2006 | Sep 1, 2006 | GMT Exploration Co Texas, LLC | Rusk | Newman #1 | 9,800 | 40134048 |
| 624311 | Aug 15, 2006 | Aug 15, 2006 | GMT Exploration Co Texas, LLC | Rusk | Boles #2 | 9,600 | 40134033 |
| 623979 | Aug 15, 2006 | Aug 15, 2006 | GMT Exploration Co Texas, LLC | Rusk | Wheeler #2 | 9,600 | 40134027 |
| 624227 | Aug 14, 2006 | Aug 14, 2006 | GMT Exploration Co Texas, LLC | Rusk | Smith #6 | 9,800 | 40134031 |
| 622962 | Jul 28, 2006 | Jul 28, 2006 | GMT Exploration Co Texas, LLC | Rusk | Boley #1 | 10,800 | 40134008 |
| 623303 | Jul 27, 2006 | Jul 27, 2006 | GMT Exploration Co Texas, LLC | Rusk | Garrison #2 | 9,600 | 40134016 |
| 622614 | Jul 26, 2006 | Jul 26, 2006 | GMT Exploration Co Texas, LLC | Rusk | Rowe #2 | 10,800 | 40134012 |
| 622294 | Jul 14, 2006 | Jul 14, 2006 | GMT Exploration Co Texas, LLC | Rusk | Langston #2 | 9,600 | 40133988 |
| 621996 | Jul 3, 2006 | Jul 3, 2006 | GMT Exploration Co Texas, LLC | Rusk | Rainbolt #1 | 9,600 | 40133985 |
| 621995 | Jul 3, 2006 | Jul 3, 2006 | GMT Exploration Co Texas, LLC | Rusk | Smith, Charles #1 | 9,600 | 40133984 |
| 620910 | Jun 13, 2006 | Jun 13, 2006 | GMT Exploration Co Texas, LLC | Rusk | Langston #1 | 9,600 | 40133966 |
| 617561 | Apr 19, 2006 | Apr 19, 2006 | GMT Exploration Co Texas, LLC | Rusk | Boles #1 | 9,600 | 40133910 |
| 617554 | Apr 19, 2006 | Apr 19, 2006 | GMT Exploration Co Texas, LLC | Rusk | Spivey #1 | 9,600 | 40133911 |
| 616576 | Mar 29, 2006 | Mar 29, 2006 | GMT Exploration Co Texas, LLC | Rusk | Wheeler #1 | 9,600 | 40133896 |
| 616323 | Mar 28, 2006 | Mar 28, 2006 | GMT Exploration Co Texas, LLC | Rusk | Hammack #1 | 5,000 | 40133890 |
| 615940 | Mar 16, 2006 | Mar 16, 2006 | GMT Exploration Co Texas, LLC | Rusk | Garrison #1 | 9,600 | 40133879 |
| 614122 | Mar 6, 2006 | Mar 6, 2006 | GMT Exploration Co Texas, LLC | Rusk | Smith #4 | 9,800 | 40133856 |
| 614408 | Mar 2, 2006 | Mar 2, 2006 | GMT Exploration Co Texas, LLC | Rusk | Smith #7 | 9,800 | 40133858 |
| 614123 | Mar 2, 2006 | Mar 2, 2006 | GMT Exploration Co Texas, LLC | Rusk | Smith #2 | 9,800 | 40133855 |
| 612096 | Jan 17, 2006 | Jan 17, 2006 | GMT Exploration Co Texas, LLC | Rusk | McIver #1 | 9,400 | 40133795 |
| 612096Amendment | Jan 17, 2006 | Jan 17, 2006 | GMT Exploration Co Texas, LLC | Rusk | McIver #1 | 9,600 | 40133795 |
| 605238 | Aug 22, 2005 | Aug 22, 2005 | GMT Exploration Co Texas, LLC | Rusk | Adams #1 | 9,600 | 40133655 |
| 605238Amendment | Aug 22, 2005 | Aug 22, 2005 | GMT Exploration Co Texas, LLC | Rusk | Adams #1 | 9,600 | 40133655 |
| 602955 | Jul 1, 2005 | Jul 1, 2005 | GMT Exploration Co Texas, LLC | Rusk | Rowe #1 | 12,500 | 40133607 |
| 602733 | Jun 29, 2005 | Jun 29, 2005 | GMT Exploration Co Texas, LLC | Rusk | Smith #1 | 9,000 | 40133602 |
| 602733Amendment | Jun 29, 2005 | Jun 29, 2005 | GMT Exploration Co Texas, LLC | Rusk | Smith #1 | 9,600 | 40133602 |
| 602733Amendment | Jun 29, 2005 | Jun 29, 2005 | GMT Exploration Co Texas, LLC | Rusk | Smith #1 | 9,600 | 40133602 |