| 539217 | Dec 9, 2003 | Dec 9, 2003 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #2802W | 3,500 | 33534356 |
| 539275 | Dec 8, 2003 | Dec 8, 2003 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #875 | 3,500 | 33534387 |
| 539273 | Dec 8, 2003 | Dec 8, 2003 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #877 | 3,500 | 33534385 |
| 539262 | Dec 8, 2003 | Dec 8, 2003 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #2411W | 3,500 | 33534342 |
| 539244 | Dec 8, 2003 | Dec 8, 2003 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #869W | 3,500 | 33534391 |
| 539242 | Dec 8, 2003 | Dec 8, 2003 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #543W | 3,500 | 33534379 |
| 539231 | Dec 8, 2003 | Dec 8, 2003 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #3520 | 3,500 | 33534372 |
| 539230 | Dec 8, 2003 | Dec 8, 2003 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #874 | 3,500 | 33534371 |
| 539226 | Dec 8, 2003 | Dec 8, 2003 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #870 | 3,500 | 33534365 |
| 539225 | Dec 8, 2003 | Dec 8, 2003 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #871 | 3,500 | 33534364 |
| 539223 | Dec 8, 2003 | Dec 8, 2003 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #729 | 3,500 | 33534362 |
| 539348 | Dec 5, 2003 | Dec 5, 2003 | Energen Resources Corporation | Andrews | University "14-A" #3 | 9,000 | 00339177 |
| 539808 | Dec 4, 2003 | Dec 4, 2003 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #2718W | 3,500 | 33534394 |
| 539261 | Dec 4, 2003 | Dec 4, 2003 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #1076 | 3,500 | 33534346 |
| 539259 | Dec 4, 2003 | Dec 4, 2003 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #1074 | 3,500 | 33534348 |
| 539258 | Dec 4, 2003 | Dec 4, 2003 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #1072 | 3,500 | 33534369 |
| 539255 | Dec 4, 2003 | Dec 4, 2003 | Energen Resources Corporation | Mitchell | Wesbrook Southeast Unit #1071 | 3,500 | 33534349 |
| 539253 | Dec 4, 2003 | Dec 4, 2003 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #1068 | 3,500 | 33534351 |
| 539251 | Dec 4, 2003 | Dec 4, 2003 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #634W | 3,500 | 33534341 |
| 539247 | Dec 4, 2003 | Dec 4, 2003 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #633W | 3,500 | 33534375 |
| 539246 | Dec 4, 2003 | Dec 4, 2003 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #544W | 3,500 | 33534353 |
| 539220 | Dec 3, 2003 | Dec 3, 2003 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #3524W | 3,500 | 33534359 |
| 539152 | Dec 2, 2003 | Dec 2, 2003 | Energen Resources Corporation | Glasscock | Daniel Unit "3" #1 | 10,000 | 17333094 |
| 539152Amendment | Dec 2, 2003 | Dec 2, 2003 | Energen Resources Corporation | Glasscock | Daniel Unit "3" #1 | 11,000 | 17333094 |
| 539151 | Dec 2, 2003 | Dec 2, 2003 | Energen Resources Corporation | Glasscock | Daniel Unit #2 #1 | 11,000 | 17332044 |
| 539016 | Nov 25, 2003 | Nov 25, 2003 | Energen Resources Corporation | Andrews | University "14-A" #4 | 9,000 | 00339175 |
| 539015 | Nov 25, 2003 | Nov 25, 2003 | Energen Resources Corporation | Glasscock | Thomason "D" #2 | 11,000 | 17333124 |
| 539014 | Nov 25, 2003 | Nov 25, 2003 | Energen Resources Corporation | Cochran | Whiteface Unit #155R | 5,500 | 07933060 |
| 538557 | Nov 13, 2003 | Nov 13, 2003 | Energen Resources Corporation | Gaines | North Robertson Unit #608 | 7,500 | 16536060 |
| 538097 | Oct 31, 2003 | Oct 31, 2003 | Energen Resources Corporation | Glasscock | Jurecek -C- #1 | 11,000 | 17332109 |
| 536865 | Oct 2, 2003 | Oct 2, 2003 | Energen Resources Corporation | Ector | East Penwell/San Andres/ Unit #411 | 4,500 | 13538498 |
| 536863 | Oct 1, 2003 | Oct 1, 2003 | Energen Resources Corporation | Ector | East Penwell/San Andres/Unit #316 | 4,500 | 13538496 |
| 536862 | Oct 1, 2003 | Oct 1, 2003 | Energen Resources Corporation | Ector | East Penwell/San Andres/Unit #317 | 4,500 | 13538495 |
| 536866 | Sep 30, 2003 | Sep 30, 2003 | Energen Resources Corporation | Ector | East Penwell/San Andress/Unit #410 | 4,500 | 13538499 |
| 536864 | Sep 30, 2003 | Sep 30, 2003 | Energen Resources Corporation | Ector | East Penwell/San Andres/Unit #409 | 4,500 | 13538497 |
| 536096 | Sep 5, 2003 | Sep 5, 2003 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #865W | 3,500 | 33534338 |
| 532812 | Sep 3, 2003 | Sep 3, 2003 | Energen Resources Corporation | Rusk | Williamson Unit #6 | 11,000 | 40133242 |
| 535584 | Aug 20, 2003 | Aug 20, 2003 | Energen Resources Corporation | Rusk | Williamson Unit #7 | 11,000 | 40133268 |
| 535554 | Aug 20, 2003 | Aug 20, 2003 | Energen Resources Corporation | Andrews | Fasken/Energen Grayburg Unit #114 | 5,500 | 00339157 |
| 534192 | Jul 15, 2003 | Jul 15, 2003 | Energen Resources Corporation | Andrews | University/Energen Grayburg Unit #209W | 5,500 | 00339130 |
| 534191 | Jul 15, 2003 | Jul 15, 2003 | Energen Resources Corporation | Andrews | University/Energen Grayburg Unit #210W | 5,500 | 00339131 |
| 534190 | Jul 15, 2003 | Jul 15, 2003 | Energen Resources Corporation | Andrews | University/Energen Grayburg Unit #211W | 5,500 | 00339132 |
| 534189 | Jul 15, 2003 | Jul 15, 2003 | Energen Resources Corporation | Andrews | University/Energen Grayburg Unit #212W | 5,500 | 00339133 |
| 534188 | Jul 15, 2003 | Jul 15, 2003 | Energen Resources Corporation | Andrews | University/Energen Grayburg Unit #303W | 5,500 | 00339134 |
| 534187 | Jul 15, 2003 | Jul 15, 2003 | Energen Resources Corporation | Andrews | University/Energen Grayburg Unit #207W | 5,500 | 00339128 |
| 534186 | Jul 15, 2003 | Jul 15, 2003 | Energen Resources Corporation | Andrews | University/Energen Grayburg Unit #509W | 5,500 | 00339135 |
| 534185 | Jul 15, 2003 | Jul 15, 2003 | Energen Resources Corporation | Andrews | University/Energen Grayburg Unit #208W | 5,500 | 00339129 |
| 534184 | Jul 15, 2003 | Jul 15, 2003 | Energen Resources Corporation | Andrews | University/Energen Grayburg Unit #111W | 5,500 | 00339127 |
| 534183 | Jul 15, 2003 | Jul 15, 2003 | Energen Resources Corporation | Andrews | University/Energen Grayburg Unit #110W | 5,500 | 00339126 |
| 534182 | Jul 15, 2003 | Jul 15, 2003 | Energen Resources Corporation | Andrews | University/Energen Grayburg Unit #705W | 5,500 | 00339136 |
| 534181 | Jul 15, 2003 | Jul 15, 2003 | Energen Resources Corporation | Andrews | University/Energen Grayburg Unit #109W | 5,500 | 00339125 |
| 534180 | Jul 15, 2003 | Jul 15, 2003 | Energen Resources Corporation | Andrews | University/Energen Grayburg Unit #108W | 5,500 | 00339124 |
| 534179 | Jul 15, 2003 | Jul 15, 2003 | Energen Resources Corporation | Andrews | Fasken/Energen Grayburg Unit #203 | 5,500 | 00333921 |
| 534178 | Jul 15, 2003 | Jul 15, 2003 | Energen Resources Corporation | Andrews | Fasken/Energen Grayburg Unit #201 | 5,500 | 00335019 |
| 534177 | Jul 15, 2003 | Jul 15, 2003 | Energen Resources Corporation | Andrews | Fasken/Energen Grayburg Unit #202 | 5,500 | 00334850 |
| 534172 | Jul 15, 2003 | Jul 15, 2003 | Energen Resources Corporation | Andrews | Fasken/Energen Grayburg Unit #204 | 5,500 | 00334851 |
| 532811 | Jul 2, 2003 | Jul 2, 2003 | Energen Resources Corporation | Rusk | Kuykendall #1 | 11,000 | 40133241 |
| 533366 | Jun 20, 2003 | Jun 20, 2003 | Energen Resources Corporation | Gaines | North Robertson Unit #3323 | 7,500 | 16536001 |
| 533364 | Jun 20, 2003 | Jun 20, 2003 | Energen Resources Corporation | Gaines | North Robertson Unit #3021 | 7,500 | 16536000 |
| 533363 | Jun 20, 2003 | Jun 20, 2003 | Energen Resources Corporation | Gaines | North Robertson Unit #3022 | 7,500 | 16535999 |
| 533360 | Jun 20, 2003 | Jun 20, 2003 | Energen Resources Corporation | Gaines | North Robertson Unit #1105 | 7,500 | 16535998 |
| 533359 | Jun 20, 2003 | Jun 20, 2003 | Energen Resources Corporation | Gaines | North Robertson Unit #4105 | 7,500 | 16535997 |
| 533357 | Jun 20, 2003 | Jun 20, 2003 | Energen Resources Corporation | Gaines | North Robertson Unit #910 | 7,500 | 16535996 |
| 533357Amendment | Jun 20, 2003 | Jun 20, 2003 | Energen Resources Corporation | Gaines | Kendrick #1 | 2,648 | 16535996 |
| 533354 | Jun 20, 2003 | Jun 20, 2003 | Energen Resources Corporation | Gaines | North Robertson Unit #2606 | 7,500 | 16535995 |
| 533352 | Jun 20, 2003 | Jun 20, 2003 | Energen Resources Corporation | Gaines | North Robertson Unit #706 | 7,500 | 16535994 |
| 533351 | Jun 20, 2003 | Jun 20, 2003 | Energen Resources Corporation | Gaines | North Robertson Unit #2116 | 7,500 | 16535993 |
| 533350 | Jun 20, 2003 | Jun 20, 2003 | Energen Resources Corporation | Gaines | North Robertson Unit #2232 | 7,500 | 16535992 |
| 533348 | Jun 20, 2003 | Jun 20, 2003 | Energen Resources Corporation | Gaines | Rudd #5 | 7,500 | 16536002 |
| 531688 | May 8, 2003 | May 8, 2003 | Energen Resources Corporation | Cochran | Wright, D. S. #4H | 5,000 | 07932684 |
| 531687 | May 8, 2003 | May 8, 2003 | Energen Resources Corporation | Cochran | Wright, D. S. #7H | 5,000 | 07932736 |
| 531097 | Apr 24, 2003 | Apr 24, 2003 | Energen Resources Corporation | Ector | East Penwell / San Andres/ Unit #819W | 4,500 | 13538433 |
| 531096 | Apr 24, 2003 | Apr 24, 2003 | Energen Resources Corporation | Ector | East Penwell /San Andres/ Unit #818W | 4,500 | 13538442 |
| 531095 | Apr 24, 2003 | Apr 24, 2003 | Energen Resources Corporation | Ector | East Penwell /San Andres/ Unit #817W | 4,500 | 13538441 |
| 531094 | Apr 24, 2003 | Apr 24, 2003 | Energen Resources Corporation | Ector | East Penwell /San Andres/ Unit #1007W | 4,500 | 13538440 |
| 531093 | Apr 24, 2003 | Apr 24, 2003 | Energen Resources Corporation | Ector | East Penwell /San Andres/ Unit #1008W | 4,500 | 13538439 |
| 531092 | Apr 24, 2003 | Apr 24, 2003 | Energen Resources Corporation | Ector | East Penwell /San Andres/ Unit #911W | 4,500 | 13538438 |
| 531091 | Apr 24, 2003 | Apr 24, 2003 | Energen Resources Corporation | Ector | East Penwell /San Andres/ Unit #1117W | 4,500 | 13538437 |
| 531090 | Apr 24, 2003 | Apr 24, 2003 | Energen Resources Corporation | Ector | East Penwell /San Andres/ Unit #1116W | 4,500 | 13538436 |
| 531089 | Apr 24, 2003 | Apr 24, 2003 | Energen Resources Corporation | Ector | East Penwell /San Andres/ Unit #1115W | 4,500 | 13538435 |
| 531088 | Apr 24, 2003 | Apr 24, 2003 | Energen Resources Corporation | Ector | East Penwell /San Andres/ Unit #1216 | 4,500 | 13538434 |
| 526682 | Mar 18, 2003 | Mar 18, 2003 | Energen Resources Corporation | Glasscock | Daniel #4 | 10,730 | 17333076 |
| 528556 | Feb 18, 2003 | Feb 18, 2003 | Energen Resources Corporation | Cochran | Wright, D. S. #28 | 5,500 | 07933040 |
| 528554 | Feb 18, 2003 | Feb 18, 2003 | Energen Resources Corporation | Cochran | Wright, D. S. #26 | 5,500 | 07933039 |
| 528552 | Feb 18, 2003 | Feb 18, 2003 | Energen Resources Corporation | Cochran | Wright, D. S. #24 | 5,500 | 07933038 |
| 528551 | Feb 18, 2003 | Feb 18, 2003 | Energen Resources Corporation | Cochran | Wright, D. S. #22 | 5,500 | 07933037 |
| 527795 | Jan 31, 2003 | Jan 31, 2003 | Energen Resources Corporation | Gaines | North Robertson Unit #1014 | 7,500 | 16535941 |
| 527794 | Jan 31, 2003 | Jan 31, 2003 | Energen Resources Corporation | Gaines | North Roberston Unit #2506 | 7,500 | 16535949 |
| 527793 | Jan 31, 2003 | Jan 31, 2003 | Energen Resources Corporation | Gaines | North Robertson Unit #908 | 7,500 | 16535948 |
| 527792 | Jan 31, 2003 | Jan 31, 2003 | Energen Resources Corporation | Gaines | North Robertson Unit #909 | 7,500 | 16535947 |
| 527790 | Jan 31, 2003 | Jan 31, 2003 | Energen Resources Corporation | Gaines | North Robertson Unit #3321 | 7,500 | 16535946 |
| 527789 | Jan 31, 2003 | Jan 31, 2003 | Energen Resources Corporation | Gaines | North Robertson Unit #3322 | 7,500 | 16535945 |
| 527788 | Jan 31, 2003 | Jan 31, 2003 | Energen Resources Corporation | Gaines | North Robertson Unit #3606 | 7,500 | 16535944 |
| 527787 | Jan 31, 2003 | Jan 31, 2003 | Energen Resources Corporation | Gaines | North Robertson Unit #217W | 7,500 | 16535943 |
| 527786 | Jan 31, 2003 | Jan 31, 2003 | Energen Resources Corporation | Gaines | North Robertson Unit #109W | 7,500 | 16535942 |
| 527785 | Jan 31, 2003 | Jan 31, 2003 | Energen Resources Corporation | Gaines | North Robertson Unit #311W | 7,500 | 16535940 |
| 527784 | Jan 31, 2003 | Jan 31, 2003 | Energen Resources Corporation | Gaines | North Robertson Unit #2508W | 7,500 | 16535939 |
| 527783 | Jan 31, 2003 | Jan 31, 2003 | Energen Resources Corporation | Gaines | North Robertson Unit #2709W | 7,500 | 16535938 |
| 527782 | Jan 31, 2003 | Jan 31, 2003 | Energen Resources Corporation | Gaines | North Robertson Unit #3213 | 7,500 | 16535937 |
| 527780 | Jan 31, 2003 | Jan 31, 2003 | Energen Resources Corporation | Gaines | North Robertson Unit #1013 | 7,500 | 16535936 |