| 496131 | Jun 28, 2000 | Jun 28, 2000 | Energen Resources Corporation | Midland | Oldham, Ida Mae "C" #11 | 9,400 | 32934318 |
| 496130 | Jun 28, 2000 | Jun 28, 2000 | Energen Resources Corporation | Midland | Oldham, Ida Mae "C" #10 | 9,400 | 32934317 |
| 496129 | Jun 28, 2000 | Jun 28, 2000 | Energen Resources Corporation | Midland | Oldham, Ida Mae "C" #9 | 9,400 | 32934316 |
| 496128 | Jun 28, 2000 | Jun 28, 2000 | Energen Resources Corporation | Midland | Oldham, Ida Mae "C" #8 | 9,400 | 32934315 |
| 495855 | Jun 6, 2000 | Jun 6, 2000 | Energen Resources Corporation | Reagan | Hartgrove "A" #2 | 8,400 | 38335077 |
| 495844 | Jun 5, 2000 | Jun 5, 2000 | Energen Resources Corporation | Reagan | Ham "B" #7 | 8,400 | 38335076 |
| 494980 | May 11, 2000 | May 11, 2000 | Energen Resources Corporation | Midland | Jackson "B" #1 | 9,400 | 32934304 |
| 494680 | May 3, 2000 | May 3, 2000 | Energen Resources Corporation | Midland | Jackson "A" #4 | 9,400 | 32934302 |
| 494135 | Apr 17, 2000 | Apr 17, 2000 | Energen Resources Corporation | Midland | Jackson #1 | 9,400 | 32934296 |
| 493567 | Mar 29, 2000 | Mar 29, 2000 | Energen Resources Corporation | Winkler | University "47-21" #6X | 8,000 | 49532784 |
| 493566 | Mar 29, 2000 | Mar 29, 2000 | Energen Resources Corporation | Winkler | University "46-21" #1 | 8,000 | 49532785 |
| 493251 | Mar 20, 2000 | Mar 20, 2000 | Energen Resources Corporation | Midland | Oldham, Ida Mae, "E" #4 | 9,400 | 32934284 |
| 493250 | Mar 20, 2000 | Mar 20, 2000 | Energen Resources Corporation | Midland | Olpham, Ida Mae, "E" #3 | 9,400 | 32934285 |
| 491787 | Feb 8, 2000 | Feb 8, 2000 | Energen Resources Corporation | Andrews | University "13-A" #2 | 5,500 | 00338572 |
| 491788 | Feb 4, 2000 | Feb 4, 2000 | Energen Resources Corporation | Andrews | Fasken "EE" #13 | 5,500 | 00338573 |
| 490891 | Jan 6, 2000 | Jan 6, 2000 | Energen Resources Corporation | Reagan | Hartgrove, H. L. #6 | 8,300 | 38335038 |
| 490890 | Jan 6, 2000 | Jan 6, 2000 | Energen Resources Corporation | Midland | Crespi "M" #2 | 9,300 | 32934242 |
| 490889 | Jan 6, 2000 | Jan 6, 2000 | Energen Resources Corporation | Reagan | Ham "B" #8 | 8,300 | 38335039 |
| 490888 | Jan 6, 2000 | Jan 6, 2000 | Energen Resources Corporation | Reagan | Hartgrove, H. L. "B" #7 | 8,300 | 38335037 |
| 490819 | Jan 4, 2000 | Jan 4, 2000 | Energen Resources Corporation | Reagan | Ringo, R. E. #9 | 8,300 | 38335036 |
| 490182 | Dec 9, 1999 | Dec 9, 1999 | Energen Resources Corporation | Upton | Stumhoffer #4 | 8,800 | 46134020 |
| 490180 | Dec 9, 1999 | Dec 9, 1999 | Energen Resources Corporation | Reagan | Hunt, Fannie M. #2 | 8,300 | 38335002 |
| 490161 | Dec 8, 1999 | Dec 8, 1999 | Energen Resources Corporation | Upton | Hirsch "B" #2 | 8,600 | 46134019 |
| 489942 | Dec 8, 1999 | Dec 8, 1999 | Energen Resources Corporation | Midland | Oldham, Ida Mae, "D" #10 | 9,300 | 32934148 |
| 489713 | Nov 22, 1999 | Nov 22, 1999 | Energen Resources Corporation | Midland | Epley, L. B. #12 | 9,400 | 32934219 |
| 489135 | Nov 4, 1999 | Nov 4, 1999 | Energen Resources Corporation | Andrews | Fasken BLK "EA" #4 | 5,000 | 00303639 |
| 489041 | Nov 1, 1999 | Nov 1, 1999 | Energen Resources Corporation | Martin | Yater #2 | 9,300 | 31734243 |
| 488000 | Sep 28, 1999 | Sep 28, 1999 | Energen Resources Corporation | Reagan | Branch "A" #8 | 8,300 | 38335024 |
| 487999 | Sep 28, 1999 | Sep 28, 1999 | Energen Resources Corporation | Reagan | Branch "A" #4 | 8,300 | 38335023 |
| 487470 | Sep 10, 1999 | Sep 10, 1999 | Energen Resources Corporation | Andrews | Sutphen #3 | 5,500 | 00338524 |
| 487088 | Aug 30, 1999 | Aug 30, 1999 | Energen Resources Corporation | Andrews | Ring University #6 | 5,500 | 00338521 |
| 486774 | Aug 18, 1999 | Aug 18, 1999 | Energen Resources Corporation | Andrews | Fasken "EE" #11 | 5,500 | 00338514 |
| 486773 | Aug 18, 1999 | Aug 18, 1999 | Energen Resources Corporation | Andrews | Fasken "EE" #12 | 5,500 | 00338513 |
| 486711 | Aug 16, 1999 | Aug 16, 1999 | Energen Resources Corporation | Andrews | University "13-A" #1 | 5,500 | 00300474 |
| 486711Amendment | Aug 16, 1999 | Aug 16, 1999 | Energen Resources Corporation | Andrews | University "13-A" #1 | 8,525 | 00300474 |
| 486537 | Aug 11, 1999 | Aug 11, 1999 | Energen Resources Corporation | Midland | Epley, L. B. #7 | 11,280 | 32931459 |
| 485682 | Jul 6, 1999 | Jul 6, 1999 | Energen Resources Corporation | Pecos | Sullivan Clearfork Unit #D 18 | 3,300 | 37136922 |
| 485681 | Jul 6, 1999 | Jul 6, 1999 | Energen Resources Corporation | Pecos | Sullivan Clearfork Unit #D 21 | 3,300 | 37136921 |
| 485680 | Jul 6, 1999 | Jul 6, 1999 | Energen Resources Corporation | Pecos | Sullivan Clearfork Unit #D 20 | 3,300 | 37136920 |
| 485679 | Jul 6, 1999 | Jul 6, 1999 | Energen Resources Corporation | Pecos | Sullivan Clearfork Unit #D 19 | 3,300 | 37136919 |
| 485596 | Jul 1, 1999 | Jul 1, 1999 | Energen Resources Corporation | Reagan | Hartgrove, H. L. "B" #4 | 8,300 | 38335008 |
| 485544 | Jun 29, 1999 | Jun 29, 1999 | Energen Resources Corporation | Reagan | Hartgrove, H. L. #5 | 8,300 | 38335007 |
| 485543 | Jun 29, 1999 | Jun 29, 1999 | Energen Resources Corporation | Reagan | Ringo, R. E. #8 | 8,300 | 38335006 |
| 485408 | Jun 23, 1999 | Jun 23, 1999 | Energen Resources Corporation | Reagan | Ham "B" #6 | 8,300 | 38335005 |
| 485386 | Jun 22, 1999 | Jun 22, 1999 | Energen Resources Corporation | Reagan | Ham "B" #5 | 8,300 | 38335004 |
| 485386Amendment | Jun 22, 1999 | Jun 22, 1999 | Energen Resources Corporation | Reagan | Ham "B" #5 | 8,300 | 38335004 |
| 485341 | Jun 22, 1999 | Jun 22, 1999 | Energen Resources Corporation | Reagan | Ringo, R. E. #7 | 8,300 | 38335003 |
| 485158 | Jun 11, 1999 | Jun 11, 1999 | Energen Resources Corporation | Reagan | Hunt, Fannie M. #2 | 8,300 | 38335002 |
| 484714 | May 25, 1999 | May 25, 1999 | Energen Resources Corporation | Midland | Oldham, Ida Mae, "D" #2 | 7,160 | 32900806 |
| 484543 | May 25, 1999 | May 25, 1999 | Energen Resources Corporation | Rusk | J Hutchings GU #7 | 10,600 | 40132932 |
| 484542 | May 25, 1999 | May 25, 1999 | Energen Resources Corporation | Rusk | J Hutchings GU #8 | 10,600 | 40132931 |
| 484202 | Apr 29, 1999 | Apr 29, 1999 | Energen Resources Corporation | Andrews | Fasken "EE" #10 | 5,000 | 00338485 |
| 484017 | Apr 21, 1999 | Apr 21, 1999 | Energen Resources Corporation | Andrews | University "13" #1 | 5,000 | 00338483 |
| 484017Amendment | Apr 21, 1999 | Apr 21, 1999 | Energen Resources Corporation | Andrews | University "13" #1 | 5,000 | 00338483 |
| 484016 | Apr 21, 1999 | Apr 21, 1999 | Energen Resources Corporation | Andrews | Atlantic University #8 | 5,000 | 00338484 |
| 483985 | Apr 20, 1999 | Apr 20, 1999 | Energen Resources Corporation | Martin | McAdams, Garner #3 | 9,600 | 31734215 |
| 483985Amendment | Apr 20, 1999 | Apr 20, 1999 | Energen Resources Corporation | Martin | McAdams, Garner #3 | 8,962 | 31734215 |
| 483817 | Apr 12, 1999 | Apr 12, 1999 | Energen Resources Corporation | Rusk | J Hutchings GU #6 | 10,600 | 40132927 |
| 483816 | Apr 12, 1999 | Apr 12, 1999 | Energen Resources Corporation | Rusk | J Hutchings GU #5 | 10,600 | 40132928 |
| 483815 | Apr 12, 1999 | Apr 12, 1999 | Energen Resources Corporation | Rusk | J Hutchings GU #4 | 10,600 | 40132926 |
| 483815Amendment | Apr 12, 1999 | Apr 12, 1999 | Energen Resources Corporation | Rusk | J Hutchings GU #4 | 10,600 | 40132926 |
| 483068 | Apr 1, 1999 | Apr 1, 1999 | Energen Resources Corporation | Andrews | Fasken "EE" #9 | 12,900 | 00338473 |
| 483406 | Mar 24, 1999 | Mar 24, 1999 | Energen Resources Corporation | Upton | Jacobs Livestock "D" #1 | 8,072 | 46132573 |
| 483014 | Mar 4, 1999 | Mar 4, 1999 | Energen Resources Corporation | Midland | Epley, L. B. #11 | 9,300 | 32934164 |
| 482642 | Mar 4, 1999 | Mar 4, 1999 | Energen Resources Corporation | Reagan | JO Ann #1 | 8,675 | 38301526 |
| 482774 | Feb 18, 1999 | Feb 18, 1999 | Energen Resources Corporation | Andrews | University #6 | 5,000 | 00338471 |
| 482773 | Feb 18, 1999 | Feb 18, 1999 | Energen Resources Corporation | Andrews | University #5 | 5,000 | 00338470 |
| 482772 | Feb 18, 1999 | Feb 18, 1999 | Energen Resources Corporation | Andrews | University #4 | 5,000 | 00338469 |
| 482771 | Feb 18, 1999 | Feb 18, 1999 | Energen Resources Corporation | Andrews | Ring University #5 | 5,000 | 00338467 |
| 482770 | Feb 18, 1999 | Feb 18, 1999 | Energen Resources Corporation | Andrews | Ring University #4 | 5,000 | 00338468 |
| 482641 | Feb 15, 1999 | Feb 15, 1999 | Energen Resources Corporation | Reagan | R. K. el Paso #1 | 8,800 | 38301484 |
| 482652 | Feb 11, 1999 | Feb 11, 1999 | Energen Resources Corporation | Rusk | J Hutchings GU #3 | 10,600 | 40132920 |
| 482651 | Feb 11, 1999 | Feb 11, 1999 | Energen Resources Corporation | Rusk | J Hutchings GU #2 | 10,600 | 40132919 |
| 482256 | Jan 25, 1999 | Jan 25, 1999 | Energen Resources Corporation | Midland | Oldham, Ida Mae, "B" #6 | 9,000 | 32934154 |
| 482255 | Jan 25, 1999 | Jan 25, 1999 | Energen Resources Corporation | Midland | Oldham, Ida Mae, "B" #5 | 9,000 | 32934142 |
| 482255Amendment | Jan 25, 1999 | Jan 25, 1999 | Energen Resources Corporation | Midland | Oldham, Ida Mae, "B" #5 | 9,400 | 32934142 |
| 482193 | Jan 21, 1999 | Jan 21, 1999 | Energen Resources Corporation | Midland | Oldham, Ida Mae, "E" #2 | 9,000 | 32934151 |
| 482192 | Jan 21, 1999 | Jan 21, 1999 | Energen Resources Corporation | Midland | Oldham, Ida Mae, "D" #8 | 9,000 | 32934146 |
| 482191 | Jan 21, 1999 | Jan 21, 1999 | Energen Resources Corporation | Midland | Oldham, Ida Mae, "C" #6 | 9,000 | 32934144 |
| 482190 | Jan 21, 1999 | Jan 21, 1999 | Energen Resources Corporation | Midland | Oldham, Ida Mae, "D" #11 | 9,000 | 32934149 |
| 482189 | Jan 21, 1999 | Jan 21, 1999 | Energen Resources Corporation | Midland | Oldham, Ida Mae, "C" #7 | 9,000 | 32934143 |
| 482188 | Jan 21, 1999 | Jan 21, 1999 | Energen Resources Corporation | Midland | Oldham, Ida Mae, "D' #7 | 9,000 | 32934147 |
| 482187 | Jan 21, 1999 | Jan 21, 1999 | Energen Resources Corporation | Midland | Oldham, Ida Mae, "D" #9 | 9,000 | 32934145 |
| 482186 | Jan 21, 1999 | Jan 21, 1999 | Energen Resources Corporation | Midland | Epley, L. B. #10 #10 | 9,000 | 32934150 |
| 482186Amendment | Jan 21, 1999 | Jan 21, 1999 | Energen Resources Corporation | Midland | Epley, L. B. #10 #10 | 12,100 | 32934150 |
| 482185 | Jan 21, 1999 | Jan 21, 1999 | Energen Resources Corporation | Midland | Oldham, Ida Mae, "D" #10 | 9,000 | 32934148 |
| 481473 | Dec 14, 1998 | Dec 14, 1998 | Energen Resources Corporation | Reagan | Stanolind #4 | 8,750 | 38331317 |
| 481472 | Dec 14, 1998 | Dec 14, 1998 | Energen Resources Corporation | Reagan | Stanolind #3 | 8,750 | 38331298 |
| 481471 | Dec 14, 1998 | Dec 14, 1998 | Energen Resources Corporation | Glasscock | Stanolind #2 | 8,670 | 17300939 |
| 481470 | Dec 14, 1998 | Dec 14, 1998 | Energen Resources Corporation | Reagan | Stanolind #1 | 8,650 | 38301490 |
| 464776Amendment | Jul 16, 1997 | Jul 16, 1997 | Energen Resources Corporation | Upshur | Spruiell, Linda #1 | 11,343 | 45930913 |