| 559308 | Mar 24, 2005 | Mar 24, 2005 | Energen Resources Corporation | Gaines | North Robertson Unit #3031 W | 7,500 | 16536357 |
| 559307 | Mar 24, 2005 | Mar 24, 2005 | Energen Resources Corporation | Gaines | North Robertson Unit #1205 | 7,500 | 16536356 |
| 558364 | Mar 3, 2005 | Mar 3, 2005 | Energen Resources Corporation | Gaines | North Robertson Unit #3218 | 7,500 | 16536348 |
| 558363 | Mar 3, 2005 | Mar 3, 2005 | Energen Resources Corporation | Gaines | North Robertson Unit #3219 | 7,500 | 16536347 |
| 557803 | Feb 22, 2005 | Feb 22, 2005 | Energen Resources Corporation | Gaines | North Robertson Unit #2808 W | 7,500 | 16536332 |
| 557797 | Feb 22, 2005 | Feb 22, 2005 | Energen Resources Corporation | Gaines | North Robertson Unit #506 W | 7,500 | 16536336 |
| 557704 | Feb 22, 2005 | Feb 22, 2005 | Energen Resources Corporation | Gaines | North Robertson Unit #111 W | 7,500 | 16536325 |
| 557806 | Feb 18, 2005 | Feb 18, 2005 | Energen Resources Corporation | Gaines | North Robertson Unit #3702 W | 7,500 | 16536329 |
| 557805 | Feb 18, 2005 | Feb 18, 2005 | Energen Resources Corporation | Gaines | North Robertson Unit #3609 W | 7,500 | 16536330 |
| 557804 | Feb 18, 2005 | Feb 18, 2005 | Energen Resources Corporation | Gaines | North Robertson Unit #2809 | 7,500 | 16536331 |
| 557801 | Feb 18, 2005 | Feb 18, 2005 | Energen Resources Corporation | Gaines | North Robertson Unit #2234 | 7,500 | 16536333 |
| 557800 | Feb 18, 2005 | Feb 18, 2005 | Energen Resources Corporation | Gaines | North Robertson Unit #2233 | 7,500 | 16536334 |
| 557799 | Feb 18, 2005 | Feb 18, 2005 | Energen Resources Corporation | Gaines | North Robertson Unit #709 | 7,500 | 16536335 |
| 557702Amendment | Feb 18, 2005 | Feb 18, 2005 | Energen Resources Corporation | Gaines | North Robertson Unit #3326 | 7,500 | 16536337 |
| 557700 | Feb 18, 2005 | Feb 18, 2005 | Energen Resources Corporation | Gaines | North Robertson Unit #411 W | 7,500 | 16536321 |
| 557701 | Feb 16, 2005 | Feb 16, 2005 | Energen Resources Corporation | Gaines | North Robertson Unit #3327 | 7,500 | 16536320 |
| 555843 | Jan 12, 2005 | Jan 12, 2005 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #424 | 3,500 | 33534475 |
| 555842 | Jan 12, 2005 | Jan 12, 2005 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #1727 | 3,500 | 33534476 |
| 555840 | Jan 12, 2005 | Jan 12, 2005 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #1726 | 3,500 | 33534478 |
| 555839 | Jan 12, 2005 | Jan 12, 2005 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #1725 | 3,500 | 33534479 |
| 555835 | Jan 12, 2005 | Jan 12, 2005 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #1863 | 3,500 | 33534483 |
| 555833 | Jan 12, 2005 | Jan 12, 2005 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #731 | 3,500 | 33534461 |
| 555832 | Jan 12, 2005 | Jan 12, 2005 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #109 | 3,500 | 33534462 |
| 555830 | Jan 12, 2005 | Jan 12, 2005 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #882 | 3,500 | 33534464 |
| 555828 | Jan 12, 2005 | Jan 12, 2005 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #733 | 3,500 | 33534466 |
| 555827 | Jan 12, 2005 | Jan 12, 2005 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #367 | 3,500 | 33534467 |
| 555826 | Jan 12, 2005 | Jan 12, 2005 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #360 | 3,500 | 33534468 |
| 555825 | Jan 12, 2005 | Jan 12, 2005 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #736 | 3,500 | 33534469 |
| 555845 | Jan 11, 2005 | Jan 11, 2005 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #1728 W | 3,500 | 33534473 |
| 555844 | Jan 11, 2005 | Jan 11, 2005 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #2009W | 3,500 | 33534474 |
| 555844Amendment | Jan 11, 2005 | Jan 11, 2005 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #2009 W | 3,500 | 33534474 |
| 555841 | Jan 11, 2005 | Jan 11, 2005 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #1729 W | 3,500 | 33534477 |
| 555838 | Jan 11, 2005 | Jan 11, 2005 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #113 W | 3,500 | 33534480 |
| 555837 | Jan 11, 2005 | Jan 11, 2005 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #1502W | 3,500 | 33534481 |
| 555837Amendment | Jan 11, 2005 | Jan 11, 2005 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #1502 W | 3,500 | 33534481 |
| 555836 | Jan 11, 2005 | Jan 11, 2005 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #111 W | 3,500 | 33534482 |
| 555834 | Jan 11, 2005 | Jan 11, 2005 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #112 W | 3,500 | 33534460 |
| 555831 | Jan 11, 2005 | Jan 11, 2005 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #114 W | 3,500 | 33534463 |
| 555831Amendment | Jan 11, 2005 | Jan 11, 2005 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #114 W | 3,500 | 33534463 |
| 555829 | Jan 11, 2005 | Jan 11, 2005 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #220 W | 3,500 | 33534465 |
| 555824 | Jan 11, 2005 | Jan 11, 2005 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #352 W | 3,500 | 33534470 |
| 555823 | Jan 11, 2005 | Jan 11, 2005 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #364 W | 3,500 | 33534471 |
| 555822 | Jan 11, 2005 | Jan 11, 2005 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #357 W | 3,500 | 33534472 |
| 555821 | Jan 11, 2005 | Jan 11, 2005 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #366 W | 3,500 | 33534453 |
| 555820 | Jan 11, 2005 | Jan 11, 2005 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #359W | 3,500 | 33534733 |
| 555819 | Jan 11, 2005 | Jan 11, 2005 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #358 W | 3,500 | 33534455 |
| 555818 | Jan 11, 2005 | Jan 11, 2005 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #881 W | 3,500 | 33534456 |
| 555817 | Jan 11, 2005 | Jan 11, 2005 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #732 W | 3,500 | 33534457 |
| 555816 | Jan 11, 2005 | Jan 11, 2005 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #365 W | 3,500 | 33534458 |
| 555815 | Jan 11, 2005 | Jan 11, 2005 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #734 W | 3,500 | 33534459 |
| 555814 | Jan 11, 2005 | Jan 11, 2005 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #735 W | 3,500 | 33534452 |
| 555458 | Jan 6, 2005 | Jan 6, 2005 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #361 | 3,500 | 33534439 |
| 555457 | Jan 6, 2005 | Jan 6, 2005 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #3603 W | 3,500 | 33534446 |
| 555456 | Jan 6, 2005 | Jan 6, 2005 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #356 | 3,500 | 33534445 |
| 555455 | Jan 6, 2005 | Jan 6, 2005 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #363 | 3,500 | 33534444 |
| 555454 | Jan 6, 2005 | Jan 6, 2005 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #362 | 3,500 | 33534443 |
| 555453 | Jan 6, 2005 | Jan 6, 2005 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #2904 W | 3,500 | 33534442 |
| 555452 | Jan 6, 2005 | Jan 6, 2005 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #425W | 3,500 | 33534441 |
| 555452Amendment | Jan 6, 2005 | Jan 6, 2005 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #425 W | 3,500 | 33534441 |
| 555451 | Jan 6, 2005 | Jan 6, 2005 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #423 | 3,500 | 33534440 |
| 555450 | Jan 6, 2005 | Jan 6, 2005 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #2720W | 3,500 | 33534438 |
| 555450Amendment | Jan 6, 2005 | Jan 6, 2005 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #2720 W | 3,500 | 33534438 |
| 554739 | Dec 13, 2004 | Dec 13, 2004 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #3003 W | 3,500 | 33534437 |
| 554738 | Dec 13, 2004 | Dec 13, 2004 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #2008 W | 3,500 | 33534431 |
| 554737 | Dec 13, 2004 | Dec 13, 2004 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #355 | 3,500 | 33534436 |
| 554736 | Dec 13, 2004 | Dec 13, 2004 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #354 | 3,500 | 33534435 |
| 554735 | Dec 13, 2004 | Dec 13, 2004 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #353 | 3,500 | 33534434 |
| 554734 | Dec 13, 2004 | Dec 13, 2004 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #110 | 3,500 | 33534433 |
| 554733 | Dec 13, 2004 | Dec 13, 2004 | Energen Resources Corporation | Mitchell | Westbrook Southeast Unit #351 | 3,500 | 33534432 |
| 554358 | Dec 3, 2004 | Dec 3, 2004 | Energen Resources Corporation | Andrews | University "14-A" #2 | 9,000 | 00339035 |
| 553866 | Nov 18, 2004 | Nov 18, 2004 | Energen Resources Corporation | Pecos | Fort Stockton Unit #1128 | 4,000 | 37137477 |
| 553865 | Nov 18, 2004 | Nov 18, 2004 | Energen Resources Corporation | Pecos | Fort Stockton Unit #317 | 4,000 | 37137475 |
| 553861 | Nov 18, 2004 | Nov 18, 2004 | Energen Resources Corporation | Pecos | Fort Stockton Unit #316 | 4,000 | 37137476 |
| 552876 | Oct 27, 2004 | Oct 27, 2004 | Energen Resources Corporation | Cochran | Whiteface Unit #185 | 5,500 | 07933085 |
| 551481 | Sep 27, 2004 | Sep 27, 2004 | Energen Resources Corporation | Gaines | North Robertson Unit #707 W | 7,500 | 16536232 |
| 551318 | Sep 27, 2004 | Sep 27, 2004 | Energen Resources Corporation | Gaines | North Robertson Unit #3608 W | 7,500 | 16536224 |
| 551315 | Sep 27, 2004 | Sep 27, 2004 | Energen Resources Corporation | Gaines | North Robertson Unit #3325W | 7,500 | 16536221 |
| 551313 | Sep 27, 2004 | Sep 27, 2004 | Energen Resources Corporation | Gaines | North Robertson Unit #3217 W | 7,500 | 16536219 |
| 551312 | Sep 27, 2004 | Sep 27, 2004 | Energen Resources Corporation | Gaines | North Robertson Unit #3216 W | 7,500 | 16536218 |
| 551308 | Sep 27, 2004 | Sep 27, 2004 | Energen Resources Corporation | Gaines | North Robertson Unit #2236W | 7,500 | 16536214 |
| 551308Amendment | Sep 27, 2004 | Sep 27, 2004 | Energen Resources Corporation | Gaines | North Robertson Unit #2236 W | 7,500 | 16536214 |
| 551307 | Sep 27, 2004 | Sep 27, 2004 | Energen Resources Corporation | Gaines | North Robertson Unit #2235 W | 7,500 | 16536213 |
| 551304 | Sep 27, 2004 | Sep 27, 2004 | Energen Resources Corporation | Gaines | North Robertson Unit #1409 W | 7,500 | 16536210 |
| 551319 | Sep 24, 2004 | Sep 24, 2004 | Energen Resources Corporation | Gaines | North Robertson Unit #4107W | 7,500 | 16536225 |
| 551317 | Sep 24, 2004 | Sep 24, 2004 | Energen Resources Corporation | Gaines | North Robertson Unit #3552 W | 7,500 | 16536223 |
| 551316 | Sep 24, 2004 | Sep 24, 2004 | Energen Resources Corporation | Gaines | North Robertson Unit #3551 W | 7,500 | 16536222 |
| 551314 | Sep 24, 2004 | Sep 24, 2004 | Energen Resources Corporation | Gaines | North Robertson Unit #3324W | 7,500 | 16536220 |
| 551302 | Sep 24, 2004 | Sep 24, 2004 | Energen Resources Corporation | Gaines | North Robertson Unit #313 W | 7,500 | 16536227 |
| 551311 | Sep 23, 2004 | Sep 23, 2004 | Energen Resources Corporation | Gaines | North Robertson Unit #2807W | 7,500 | 16536217 |
| 551310 | Sep 23, 2004 | Sep 23, 2004 | Energen Resources Corporation | Gaines | North Robertson Unit #2707 W | 7,500 | 16536216 |
| 551309 | Sep 23, 2004 | Sep 23, 2004 | Energen Resources Corporation | Gaines | North Robertson Unit #2237 W | 7,500 | 16536215 |
| 551306 | Sep 23, 2004 | Sep 23, 2004 | Energen Resources Corporation | Gaines | North Robertson Unit #2120W | 7,500 | 16536212 |
| 551305 | Sep 23, 2004 | Sep 23, 2004 | Energen Resources Corporation | Gaines | North Robertson Unit #2119 W | 7,500 | 16536211 |
| 551303 | Sep 23, 2004 | Sep 23, 2004 | Energen Resources Corporation | Gaines | North Robertson Unit #1107W | 7,500 | 16536209 |
| 548231 | Jul 20, 2004 | Jul 20, 2004 | Energen Resources Corporation | Gaines | Rudd #6 | 7,500 | 16536185 |
| 547477 | Jun 29, 2004 | Jun 29, 2004 | Energen Resources Corporation | Cochran | Wright, D. S. #25 | 5,500 | 07933071 |
| 547476 | Jun 29, 2004 | Jun 29, 2004 | Energen Resources Corporation | Cochran | Wright, D. S. #23 | 5,500 | 07933072 |
| 547475 | Jun 29, 2004 | Jun 29, 2004 | Energen Resources Corporation | Cochran | Whiteface Unit #102RW | 5,500 | 07933074 |
| 547474 | Jun 29, 2004 | Jun 29, 2004 | Energen Resources Corporation | Cochran | Whiteface Unit #184 | 5,500 | 07933073 |
| 547469 | Jun 29, 2004 | Jun 29, 2004 | Energen Resources Corporation | Cochran | Wright, D. S. #29 | 5,500 | 07933075 |