| 729803 | Dec 10, 2011 | Dec 10, 2011 | Energen Resources Corporation | Martin | Jones-Holton #31 | 12,000 | 31737397 |
| 729336 | Dec 8, 2011 | Dec 8, 2011 | Energen Resources Corporation | Martin | Jones-Holton 246 #1WD | 6,200 | 31737387 |
| 729152 | Dec 8, 2011 | Dec 8, 2011 | Energen Resources Corporation | Ward | University 20-17 #1H | 11,500 | 47535946 |
| 729206 | Dec 5, 2011 | Dec 5, 2011 | Energen Resources Corporation | Martin | Jones-Holton 246 #2WD | 6,200 | 31737381 |
| 729012 | Nov 30, 2011 | Nov 30, 2011 | Energen Resources Corporation | Martin | Jones-Holton #30 | 12,000 | 31737374 |
| 728918 | Nov 30, 2011 | Nov 30, 2011 | Energen Resources Corporation | Glasscock | San Saba -A- #3 | 11,000 | 17334643 |
| 728898 | Nov 30, 2011 | Nov 30, 2011 | Energen Resources Corporation | Glasscock | Sabine -35- #2 | 11,000 | 17334638 |
| 728925 | Nov 29, 2011 | Nov 29, 2011 | Energen Resources Corporation | Glasscock | Frio B #1 | 11,000 | 17334636 |
| 728917 | Nov 29, 2011 | Nov 29, 2011 | Energen Resources Corporation | Glasscock | Trinity -16- #5 | 11,000 | 17334635 |
| 728916 | Nov 29, 2011 | Nov 29, 2011 | Energen Resources Corporation | Glasscock | Guadalupe -48- #6 | 11,000 | 17334634 |
| 728915 | Nov 29, 2011 | Nov 29, 2011 | Energen Resources Corporation | Glasscock | San Saba #3 | 11,000 | 17334633 |
| 728915Amendment | Nov 29, 2011 | Nov 29, 2011 | Energen Resources Corporation | Glasscock | San Saba #3 | 11,000 | 17334633 |
| 728914 | Nov 29, 2011 | Nov 29, 2011 | Energen Resources Corporation | Glasscock | Lavaca -38- #3 | 11,000 | 17334632 |
| 728913 | Nov 29, 2011 | Nov 29, 2011 | Energen Resources Corporation | Glasscock | Lavaca -38A- #4 | 11,000 | 17334631 |
| 728908 | Nov 29, 2011 | Nov 29, 2011 | Energen Resources Corporation | Glasscock | Neches -15- #4 | 11,000 | 17334630 |
| 728904 | Nov 29, 2011 | Nov 29, 2011 | Energen Resources Corporation | Glasscock | Llano -8A- #3 | 11,000 | 17334629 |
| 728891 | Nov 29, 2011 | Nov 29, 2011 | Energen Resources Corporation | Glasscock | Brazos #3 | 11,000 | 17334628 |
| 728454 | Nov 19, 2011 | Nov 19, 2011 | Energen Resources Corporation | Loving | Elmer 33-67 #2H | 11,500 | 30131656 |
| 728452 | Nov 19, 2011 | Nov 19, 2011 | Energen Resources Corporation | Loving | Salisbury 33-71 #1H | 11,500 | 30131655 |
| 728450 | Nov 19, 2011 | Nov 19, 2011 | Energen Resources Corporation | Loving | Red Bull 1-72 #1H | 11,500 | 30131653 |
| 728449 | Nov 19, 2011 | Nov 19, 2011 | Energen Resources Corporation | Loving | Dolly Varden 33-69 #1H | 11,500 | 30131654 |
| 728447 | Nov 19, 2011 | Nov 19, 2011 | Energen Resources Corporation | Loving | Bushmaster 1-58 #1H | 11,500 | 30131652 |
| 728193 | Nov 16, 2011 | Nov 16, 2011 | Energen Resources Corporation | Winkler | University 35-20 #1H | 11,500 | 49533396 |
| 728191 | Nov 16, 2011 | Nov 16, 2011 | Energen Resources Corporation | Ward | Cadenhead 18 #1H | 11,500 | 47535936 |
| 728106 | Nov 16, 2011 | Nov 16, 2011 | Energen Resources Corporation | Ward | McGinley #1D | 7,500 | 47535935 |
| 728105 | Nov 15, 2011 | Nov 15, 2011 | Energen Resources Corporation | Ward | Elmer 33-67 #1H | 11,500 | 47535933 |
| 727386 | Nov 8, 2011 | Nov 8, 2011 | Energen Resources Corporation | Glasscock | Enserch-Frysak #3 | 11,000 | 17334569 |
| 727384 | Nov 8, 2011 | Nov 8, 2011 | Energen Resources Corporation | Glasscock | Enserch-Frysak #4 | 11,000 | 17334567 |
| 727384Amendment | Nov 8, 2011 | Nov 8, 2011 | Energen Resources Corporation | Glasscock | Enserch-Frysak #4 | 11,000 | 17334567 |
| 727548 | Nov 7, 2011 | Nov 7, 2011 | Energen Resources Corporation | Howard | Homan -29- #1 | 11,500 | 22736810 |
| 726908 | Oct 27, 2011 | Oct 27, 2011 | Energen Resources Corporation | Martin | Campbell West #40 | 12,000 | 31737300 |
| 726656 | Oct 25, 2011 | Oct 25, 2011 | Energen Resources Corporation | Ward | University 18-18 #1H | 11,500 | 47535919 |
| 726657 | Oct 24, 2011 | Oct 24, 2011 | Energen Resources Corporation | Winkler | University 4-21 #1H | 11,500 | 49533391 |
| 726657Amendment | Oct 24, 2011 | Oct 24, 2011 | Energen Resources Corporation | Winkler | University 4-21 #1H | 12,500 | 49533391 |
| 726655 | Oct 24, 2011 | Oct 24, 2011 | Energen Resources Corporation | Loving | Katie 1-72 #1H | 11,500 | 30131640 |
| 726654 | Oct 24, 2011 | Oct 24, 2011 | Energen Resources Corporation | Reeves | Cottonmouth 58-47 #1 | 11,500 | 38933058 |
| 726654Amendment | Oct 24, 2011 | Oct 24, 2011 | Energen Resources Corporation | Reeves | Cottonmouth 58-47 #1H | 11,500 | 38933058 |
| 725822 | Oct 10, 2011 | Oct 10, 2011 | Energen Resources Corporation | Gaines | North Robertson Unit #1111W | 7,500 | 16537484 |
| 725700 | Oct 6, 2011 | Oct 6, 2011 | Energen Resources Corporation | Glasscock | Neches -15- #3 | 11,000 | 17334533 |
| 725700Amendment | Oct 6, 2011 | Oct 6, 2011 | Energen Resources Corporation | Glasscock | Neches -15- #3 | 11,000 | 17334533 |
| 725696 | Oct 6, 2011 | Oct 6, 2011 | Energen Resources Corporation | Glasscock | Colorado #6 | 11,000 | 17334532 |
| 725692 | Oct 6, 2011 | Oct 6, 2011 | Energen Resources Corporation | Glasscock | Canadian #5 | 11,000 | 17334530 |
| 723102 | Sep 30, 2011 | Sep 30, 2011 | Energen Resources Corporation | Martin | Campbell West #39 | 12,000 | 31737141 |
| 724998 | Sep 28, 2011 | Sep 28, 2011 | Energen Resources Corporation | Winkler | University 37-20 #1H | 9,000 | 49533389 |
| 724993 | Sep 28, 2011 | Sep 28, 2011 | Energen Resources Corporation | Winkler | University 36-20 #1H | 9,000 | 49533388 |
| 724993Amendment | Sep 28, 2011 | Sep 28, 2011 | Energen Resources Corporation | Winkler | University 36-20 #1H | 9,300 | 49533388 |
| 724993Amendment | Sep 28, 2011 | Sep 28, 2011 | Energen Resources Corporation | Winkler | University 36-20 #1H | 11,911 | 49533388 |
| 724986 | Sep 27, 2011 | Sep 27, 2011 | Energen Resources Corporation | Reeves | State Red Bluff 57-4 #1D | 5,100 | 38933019 |
| 724721 | Sep 23, 2011 | Sep 23, 2011 | Energen Resources Corporation | Andrews | Block 10 Fuhrman Mascho Unit #1141 | 4,900 | 00343448 |
| 724710Amendment | Sep 23, 2011 | Sep 23, 2011 | Energen Resources Corporation | Glasscock | Horwood #3301 | 9,950 | 17334509 |
| 724697 | Sep 23, 2011 | Sep 23, 2011 | Energen Resources Corporation | Andrews | Block 10 Fuhrman Mascho Unit #1035 | 4,900 | 00343445 |
| 724692 | Sep 23, 2011 | Sep 23, 2011 | Energen Resources Corporation | Andrews | Block 10 Fuhrman Mascho Unit #1033 | 4,900 | 00343444 |
| 724196Amendment | Sep 21, 2011 | Sep 21, 2011 | Energen Resources Corporation | Glasscock | Glass #8 | 9,622 | 17334502 |
| 724194Amendment | Sep 21, 2011 | Sep 21, 2011 | Energen Resources Corporation | Glasscock | Glass A #3 | 9,600 | 17334501 |
| 724186Amendment | Sep 21, 2011 | Sep 21, 2011 | Energen Resources Corporation | Glasscock | Craig #2 | 11,000 | 17334503 |
| 724431 | Sep 20, 2011 | Sep 20, 2011 | Energen Resources Corporation | Gaines | North Robertson Unit #918W | 7,500 | 16537475 |
| 724428 | Sep 20, 2011 | Sep 20, 2011 | Energen Resources Corporation | Gaines | North Robertson Unit #917W | 7,500 | 16537474 |
| 724409 | Sep 20, 2011 | Sep 20, 2011 | Energen Resources Corporation | Gaines | North Robertson Unit #4110W | 7,500 | 16537473 |
| 723490 | Sep 20, 2011 | Sep 20, 2011 | Energen Resources Corporation | Mitchell | North Westbrook Unit #703 | 3,200 | 33500213 |
| 722728 | Sep 19, 2011 | Sep 19, 2011 | Energen Resources Corporation | Martin | Campbell #25 | 12,000 | 31737131 |
| 724181 | Sep 16, 2011 | Sep 16, 2011 | Energen Resources Corporation | Ward | University 19-17 #1H | 8,000 | 47535889 |
| 724181Amendment | Sep 16, 2011 | Sep 16, 2011 | Energen Resources Corporation | Ward | University 19-17 #1H | 11,500 | 47535889 |
| 720229 | Sep 16, 2011 | Sep 16, 2011 | Energen Resources Corporation | Martin | Campbell #34 | 12,000 | 31737030 |
| 722559 | Sep 14, 2011 | Sep 14, 2011 | Energen Resources Corporation | Martin | Rhodes -16A- #1 | 11,500 | 31737128 |
| 723948 | Sep 13, 2011 | Sep 13, 2011 | Energen Resources Corporation | Martin | Campbell #32 | 12,000 | 31737163 |
| 720228 | Sep 12, 2011 | Sep 12, 2011 | Energen Resources Corporation | Martin | Campbell #33 | 12,000 | 31737029 |
| 723790 | Sep 9, 2011 | Sep 9, 2011 | Energen Resources Corporation | Winkler | University 38-20 #2H | 11,600 | 49533385 |
| 723754 | Sep 8, 2011 | Sep 8, 2011 | Energen Resources Corporation | Loving | WD Johnson B 53-32 #1H | 11,500 | 30131628 |
| 723503 | Sep 8, 2011 | Sep 8, 2011 | Energen Resources Corporation | Mitchell | North Westbrook Unit #6822 | 3,200 | 33532192 |
| 723502 | Sep 8, 2011 | Sep 8, 2011 | Energen Resources Corporation | Mitchell | North Westbrook Unit #5016W | 3,400 | 33534943 |
| 723500 | Sep 8, 2011 | Sep 8, 2011 | Energen Resources Corporation | Mitchell | North Westbrook Unit #5007 | 3,200 | 33533654 |
| 723499 | Sep 8, 2011 | Sep 8, 2011 | Energen Resources Corporation | Mitchell | North Westbrook Unit #5005 | 3,300 | 33532963 |
| 723498 | Sep 8, 2011 | Sep 8, 2011 | Energen Resources Corporation | Mitchell | North Westbrook Unit #4806 | 3,200 | 33530230 |
| 723497 | Sep 8, 2011 | Sep 8, 2011 | Energen Resources Corporation | Mitchell | North Westbrook Unit #3609W | 3,400 | 33534979 |
| 723496 | Sep 8, 2011 | Sep 8, 2011 | Energen Resources Corporation | Mitchell | North Westbrook Unit #3511 | 3,300 | 33534487 |
| 723495 | Sep 8, 2011 | Sep 8, 2011 | Energen Resources Corporation | Mitchell | North Westbrook Unit #2810W | 3,330 | 33534988 |
| 723494 | Sep 7, 2011 | Sep 7, 2011 | Energen Resources Corporation | Mitchell | North Westbrook Unit #2120 | 3,200 | 33532539 |
| 723492 | Sep 7, 2011 | Sep 7, 2011 | Energen Resources Corporation | Mitchell | North Westbrook Unit #2111 | 3,150 | 33500406 |
| 723489 | Sep 7, 2011 | Sep 7, 2011 | Energen Resources Corporation | Mitchell | North Westbrook Unit #601 | 3,200 | 33501129 |
| 723222 | Aug 31, 2011 | Aug 31, 2011 | Energen Resources Corporation | Glasscock | Neal #4 | 11,000 | 17334464 |
| 721305 | Aug 29, 2011 | Aug 29, 2011 | Energen Resources Corporation | Martin | Hecker #12 | 12,000 | 31737088 |
| 722650 | Aug 25, 2011 | Aug 25, 2011 | Energen Resources Corporation | Glasscock | Blanco -29B- #2 | 11,000 | 17334459 |
| 722646 | Aug 25, 2011 | Aug 25, 2011 | Energen Resources Corporation | Glasscock | Brazos -A- #2 | 11,000 | 17334458 |
| 722554 | Aug 24, 2011 | Aug 24, 2011 | Energen Resources Corporation | Glasscock | San Jacinto -36- #2 | 11,000 | 17334441 |
| 722554Amendment | Aug 24, 2011 | Aug 24, 2011 | Energen Resources Corporation | Glasscock | San Jacinto -36- #2 | 11,000 | 17334441 |
| 722553 | Aug 24, 2011 | Aug 24, 2011 | Energen Resources Corporation | Glasscock | San Jacinto -36- #1 | 11,000 | 17334453 |
| 722875 | Aug 23, 2011 | Aug 23, 2011 | Energen Resources Corporation | Reagan | Red River #2R | 11,000 | 38337445 |
| 722499 | Aug 22, 2011 | Aug 22, 2011 | Energen Resources Corporation | Reagan | Rio Grande -118- #4 | 11,000 | 38337438 |
| 722549 | Aug 19, 2011 | Aug 19, 2011 | Energen Resources Corporation | Glasscock | Blanco -29B- #1 | 11,000 | 17334439 |
| 722543 | Aug 19, 2011 | Aug 19, 2011 | Energen Resources Corporation | Glasscock | Blanco -29A- #1 | 11,000 | 17334440 |
| 722541 | Aug 19, 2011 | Aug 19, 2011 | Energen Resources Corporation | Glasscock | Brazos -A- #1 | 11,000 | 17334438 |
| 722539 | Aug 19, 2011 | Aug 19, 2011 | Energen Resources Corporation | Glasscock | Llano -8A- #2 | 11,000 | 17334437 |
| 722536 | Aug 19, 2011 | Aug 19, 2011 | Energen Resources Corporation | Glasscock | Canadian #4 | 11,000 | 17334436 |
| 722530 | Aug 19, 2011 | Aug 19, 2011 | Energen Resources Corporation | Glasscock | Neal #5 | 11,000 | 17334435 |
| 722509 | Aug 19, 2011 | Aug 19, 2011 | Energen Resources Corporation | Glasscock | Trinity -16- #4 | 11,000 | 17334434 |
| 722507 | Aug 19, 2011 | Aug 19, 2011 | Energen Resources Corporation | Glasscock | Trinity -16- #3 | 11,000 | 17334432 |
| 722500 | Aug 19, 2011 | Aug 19, 2011 | Energen Resources Corporation | Glasscock | Neches -15A- #2 | 11,000 | 17334430 |
| 722497 | Aug 19, 2011 | Aug 19, 2011 | Energen Resources Corporation | Glasscock | Sabine -35A- #2 | 11,000 | 17334431 |
| 722495 | Aug 19, 2011 | Aug 19, 2011 | Energen Resources Corporation | Glasscock | Guadalupe -48- #5 | 11,000 | 17334433 |
| 721242 | Aug 4, 2011 | Aug 4, 2011 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #1111 | 4,000 | 33535587 |