| 527889 | Jan 30, 2003 | Jan 30, 2003 | Energen Resources Corporation | Andrews | University "14-A" #2 | 9,000 | 00339035 |
| 527889Amendment | Jan 30, 2003 | Jan 30, 2003 | Energen Resources Corporation | Andrews | University "14-A" #2 | 9,000 | 00339035 |
| 527849 | Jan 29, 2003 | Jan 29, 2003 | Energen Resources Corporation | Yoakum | Bralley #1 | 13,300 | 50133786 |
| 527716 | Jan 27, 2003 | Jan 27, 2003 | Energen Resources Corporation | Gaines | North Robertson Unit #410W | 7,500 | 16535925 |
| 527715 | Jan 27, 2003 | Jan 27, 2003 | Energen Resources Corporation | Gaines | North Robertson Unit #2507W | 7,500 | 16535924 |
| 527714 | Jan 27, 2003 | Jan 27, 2003 | Energen Resources Corporation | Gaines | North Robertson Unit #2708W | 7,500 | 16535923 |
| 527713 | Jan 27, 2003 | Jan 27, 2003 | Energen Resources Corporation | Gaines | North Robertson Unit #1012 | 7,500 | 16535922 |
| 527711 | Jan 27, 2003 | Jan 27, 2003 | Energen Resources Corporation | Gaines | North Robertson Unit #216W | 7,500 | 16535921 |
| 527710 | Jan 27, 2003 | Jan 27, 2003 | Energen Resources Corporation | Gaines | North Robertson Unit #108W | 7,500 | 16535920 |
| 527057 | Jan 13, 2003 | Jan 13, 2003 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #3518W | 3,500 | 33534308 |
| 527067 | Jan 10, 2003 | Jan 10, 2003 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #631W | 3,500 | 33534318 |
| 527066 | Jan 10, 2003 | Jan 10, 2003 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #632W | 3,500 | 33534317 |
| 527065 | Jan 10, 2003 | Jan 10, 2003 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #855W | 3,500 | 33534316 |
| 527064 | Jan 10, 2003 | Jan 10, 2003 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #1915W | 3,500 | 33534315 |
| 527063 | Jan 10, 2003 | Jan 10, 2003 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #216W | 3,500 | 33534314 |
| 527062 | Jan 10, 2003 | Jan 10, 2003 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #215W | 3,500 | 33534313 |
| 527061 | Jan 10, 2003 | Jan 10, 2003 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #867W | 3,500 | 33534312 |
| 527060 | Jan 10, 2003 | Jan 10, 2003 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #866W | 3,500 | 33534311 |
| 527059 | Jan 10, 2003 | Jan 10, 2003 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #856W | 3,500 | 33534310 |
| 527058 | Jan 10, 2003 | Jan 10, 2003 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #2409W | 3,500 | 33534309 |
| 527056 | Jan 10, 2003 | Jan 10, 2003 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #2716W | 3,500 | 33534307 |
| 527055 | Jan 10, 2003 | Jan 10, 2003 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #857W | 3,500 | 33534306 |
| 527054 | Jan 10, 2003 | Jan 10, 2003 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #217W | 3,500 | 33534305 |
| 527053 | Jan 10, 2003 | Jan 10, 2003 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #2715W | 3,500 | 33534304 |
| 527052 | Jan 10, 2003 | Jan 10, 2003 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #218 | 3,500 | 33534303 |
| 527051 | Jan 10, 2003 | Jan 10, 2003 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #2507W | 3,500 | 33534302 |
| 527050 | Jan 10, 2003 | Jan 10, 2003 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #3517W | 3,500 | 33534301 |
| 527049 | Jan 10, 2003 | Jan 10, 2003 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #861 | 3,500 | 33534299 |
| 527048 | Jan 10, 2003 | Jan 10, 2003 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #868 | 3,500 | 33534300 |
| 527047 | Jan 10, 2003 | Jan 10, 2003 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #2714 | 3,500 | 33534298 |
| 527009 | Jan 7, 2003 | Jan 7, 2003 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #3519 | 3,500 | 33534297 |
| 527008 | Jan 7, 2003 | Jan 7, 2003 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #3516 | 3,500 | 33534296 |
| 527007 | Jan 7, 2003 | Jan 7, 2003 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #2506 | 3,500 | 33534295 |
| 527006 | Jan 7, 2003 | Jan 7, 2003 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #2505 | 3,500 | 33534294 |
| 527005 | Jan 7, 2003 | Jan 7, 2003 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #2410 | 3,500 | 33534293 |
| 527004 | Jan 7, 2003 | Jan 7, 2003 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #1916 | 3,500 | 33534292 |
| 527003 | Jan 7, 2003 | Jan 7, 2003 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #628 | 3,500 | 33534291 |
| 527001 | Jan 7, 2003 | Jan 7, 2003 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #541 | 3,500 | 33534290 |
| 526641 | Dec 30, 2002 | Dec 30, 2002 | Energen Resources Corporation | Gaines | Doss #1 | 7,500 | 16535907 |
| 526642 | Dec 27, 2002 | Dec 27, 2002 | Energen Resources Corporation | Gaines | Rudd #3 | 7,500 | 16535908 |
| 524942 | Oct 31, 2002 | Oct 31, 2002 | Energen Resources Corporation | Gaines | North Robertson Unit #1011R | 7,500 | 16535894 |
| 525011 | Oct 28, 2002 | Oct 28, 2002 | Energen Resources Corporation | Yoakum | Branham "755" #1 | 14,000 | 50134775 |
| 524410 | Oct 8, 2002 | Oct 8, 2002 | Energen Resources Corporation | Pecos | Fort Stockton Unit #610W | 3,097 | 37103027 |
| 524409 | Oct 8, 2002 | Oct 8, 2002 | Energen Resources Corporation | Pecos | Fort Stockton Unit #305W | 3,090 | 37103069 |
| 523796 | Sep 18, 2002 | Sep 18, 2002 | Energen Resources Corporation | Glasscock | Daniel Unit "3" #1 | 11,000 | 17333094 |
| 523471 | Sep 18, 2002 | Sep 18, 2002 | Energen Resources Corporation | Gaines | Rudd #2 | 7,350 | 16535791 |
| 523161 | Aug 30, 2002 | Aug 30, 2002 | Energen Resources Corporation | Ector | East Penwell /San Andres/ Unit #2117W | 4,000 | 13538253 |
| 523160 | Aug 30, 2002 | Aug 30, 2002 | Energen Resources Corporation | Ector | East Penwell /San Andres/ Unit #2114 | 4,000 | 13538259 |
| 523159 | Aug 30, 2002 | Aug 30, 2002 | Energen Resources Corporation | Ector | East Penwell /San Andres/ Unit #1814 | 4,000 | 13538258 |
| 523158 | Aug 30, 2002 | Aug 30, 2002 | Energen Resources Corporation | Ector | East Penwell /San Andres/ Unit #2116W | 4,000 | 13538257 |
| 523157 | Aug 30, 2002 | Aug 30, 2002 | Energen Resources Corporation | Ector | East Penwell /San Andres/ Unit #2115 | 4,000 | 13538256 |
| 523156 | Aug 30, 2002 | Aug 30, 2002 | Energen Resources Corporation | Ector | East Penwell /San Andres/ Unit #816 | 4,000 | 13538255 |
| 523155 | Aug 30, 2002 | Aug 30, 2002 | Energen Resources Corporation | Ector | East Penwell /San Andres/ Unit #815 | 4,000 | 13538254 |
| 522884 | Aug 28, 2002 | Aug 28, 2002 | Energen Resources Corporation | Gaines | Rudd #2 | 7,350 | 16535791 |
| 522545 | Aug 6, 2002 | Aug 6, 2002 | Energen Resources Corporation | Pecos | Fort Stockton Unit #517 | 4,000 | 37137185 |
| 522544 | Aug 6, 2002 | Aug 6, 2002 | Energen Resources Corporation | Pecos | Fort Stockton Unit #1527 | 4,000 | 37137184 |
| 522320 | Jul 30, 2002 | Jul 30, 2002 | Energen Resources Corporation | Gaines | Rudd #4 | 7,350 | 16535872 |
| 522319 | Jul 30, 2002 | Jul 30, 2002 | Energen Resources Corporation | Gaines | North Robertson Unit #3549 | 7,500 | 16535871 |
| 522318 | Jul 30, 2002 | Jul 30, 2002 | Energen Resources Corporation | Gaines | North Robertson Unit #2229 | 7,500 | 16535870 |
| 522271 | Jul 29, 2002 | Jul 29, 2002 | Energen Resources Corporation | Gaines | North Robertson Unit #3803 | 7,500 | 16535869 |
| 522271Amendment | Jul 29, 2002 | Jul 29, 2002 | Energen Resources Corporation | Gaines | North Robertson Unit #3803 | 7,500 | 16535869 |
| 522270 | Jul 29, 2002 | Jul 29, 2002 | Energen Resources Corporation | Gaines | North Robertson Unit #3548 | 7,500 | 16535868 |
| 522269 | Jul 29, 2002 | Jul 29, 2002 | Energen Resources Corporation | Gaines | North Robertson Unit #3550 | 7,500 | 16535867 |
| 522268 | Jul 29, 2002 | Jul 29, 2002 | Energen Resources Corporation | Gaines | North Robertson Unit #2230 | 7,500 | 16535866 |
| 522267 | Jul 29, 2002 | Jul 29, 2002 | Energen Resources Corporation | Gaines | North Robertson Unit #3020 | 7,500 | 16535865 |
| 522266 | Jul 29, 2002 | Jul 29, 2002 | Energen Resources Corporation | Gaines | North Robertson Unit #2706 | 7,500 | 16535864 |
| 522265 | Jul 29, 2002 | Jul 29, 2002 | Energen Resources Corporation | Gaines | North Robertson Unit #605 | 7,500 | 16535863 |
| 522264 | Jul 29, 2002 | Jul 29, 2002 | Energen Resources Corporation | Gaines | North Robertson Unit #705 | 7,500 | 16535862 |
| 522263 | Jul 29, 2002 | Jul 29, 2002 | Energen Resources Corporation | Gaines | North Robertson Unit #2805 | 7,500 | 16535861 |
| 522262 | Jul 29, 2002 | Jul 29, 2002 | Energen Resources Corporation | Gaines | North Robertson Unit #2605 | 7,500 | 16535860 |
| 522261 | Jul 29, 2002 | Jul 29, 2002 | Energen Resources Corporation | Gaines | North Robertson Unit #309 | 7,500 | 16535859 |
| 522260 | Jul 29, 2002 | Jul 29, 2002 | Energen Resources Corporation | Gaines | North Robertson Unit #106 | 7,500 | 16535858 |
| 522259 | Jul 29, 2002 | Jul 29, 2002 | Energen Resources Corporation | Gaines | North Robertson Unit #107 | 7,500 | 16535857 |
| 522258 | Jul 29, 2002 | Jul 29, 2002 | Energen Resources Corporation | Gaines | North Robertson Unit #215 | 7,500 | 16535856 |
| 522257 | Jul 29, 2002 | Jul 29, 2002 | Energen Resources Corporation | Gaines | North Robertson Unit #214 | 7,500 | 16535855 |
| 522256 | Jul 29, 2002 | Jul 29, 2002 | Energen Resources Corporation | Gaines | North Robertson Unit #310 | 7,500 | 16535854 |
| 522255 | Jul 29, 2002 | Jul 29, 2002 | Energen Resources Corporation | Gaines | North Robertson Unit #2115 | 7,500 | 16535853 |
| 522254 | Jul 29, 2002 | Jul 29, 2002 | Energen Resources Corporation | Gaines | North Robertson Unit #2114 | 7,500 | 16535852 |
| 522253 | Jul 29, 2002 | Jul 29, 2002 | Energen Resources Corporation | Gaines | North Robertson Unit #3320 | 7,500 | 16535851 |
| 522252 | Jul 29, 2002 | Jul 29, 2002 | Energen Resources Corporation | Gaines | North Robertson Unit #1011 | 7,500 | 16535850 |
| 522251 | Jul 29, 2002 | Jul 29, 2002 | Energen Resources Corporation | Gaines | North Robertson Unit #2004 | 7,500 | 16535849 |
| 522250 | Jul 29, 2002 | Jul 29, 2002 | Energen Resources Corporation | Gaines | North Robertson Unit #3605 | 7,500 | 16535848 |
| 522249 | Jul 29, 2002 | Jul 29, 2002 | Energen Resources Corporation | Gaines | North Robertson Unit #2231 | 7,500 | 16535847 |
| 521727 | Jul 16, 2002 | Jul 16, 2002 | Energen Resources Corporation | San Patricio | Smith, H. A. #11 | 3,500 | 40930198 |
| 521303 | Jul 3, 2002 | Jul 3, 2002 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #2311W | 3,500 | 33534271 |
| 521310 | Jul 2, 2002 | Jul 2, 2002 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #214W | 3,500 | 33534278 |
| 521309 | Jul 2, 2002 | Jul 2, 2002 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #212W | 3,500 | 33534277 |
| 521308 | Jul 2, 2002 | Jul 2, 2002 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #105 | 3,500 | 33534276 |
| 521307 | Jul 2, 2002 | Jul 2, 2002 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #213W | 3,500 | 33534275 |
| 521306 | Jul 2, 2002 | Jul 2, 2002 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #1855W | 3,500 | 33534274 |
| 521305 | Jul 2, 2002 | Jul 2, 2002 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #1859W | 3,500 | 33534273 |
| 521304 | Jul 2, 2002 | Jul 2, 2002 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #3704W | 3,500 | 33534272 |
| 521302 | Jul 2, 2002 | Jul 2, 2002 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #2312W | 3,500 | 33534270 |
| 521301 | Jul 2, 2002 | Jul 2, 2002 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #2713 | 3,500 | 33534269 |
| 521300 | Jul 2, 2002 | Jul 2, 2002 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #858W | 3,500 | 33534268 |
| 521299 | Jul 2, 2002 | Jul 2, 2002 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #1315W | 3,500 | 33534267 |
| 521284 | Jul 2, 2002 | Jul 2, 2002 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #1860 | 3,500 | 33534266 |
| 521283 | Jul 2, 2002 | Jul 2, 2002 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #2508 | 3,500 | 33534265 |
| 521282 | Jul 2, 2002 | Jul 2, 2002 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #2313 | 3,500 | 33534264 |
| 520275 | May 28, 2002 | May 28, 2002 | Energen Resources Corporation | San Patricio | J. F. Welder Unit #B 15H | 3,000 | 40903776 |