| Holt O. B. Tract 4 #1101HZ42-135-37387 | Texland Petroleum L.P. | Ector, TXTriple-N (Penn. Upper) | ActiveOil | 13,145 | Dec 3, 2024 | — | — |
| Toad #13W42-135-36591 | Texland Petroleum L.P. | Ector, TXCowden North | ActiveInjection | 5,347 | Jan 23, 2023 | — | — |
| Toad-A- #742-135-36485 | Texland Petroleum L.P. | Ector, TXCowden North (Deep) | Shut inOil | 5,332 | Jan 6, 2023 | — | — |
| Toad-A- #19W42-135-36596 | Texland Petroleum L.P. | Ector, TXCowden North (Deep) | PluggedOil | 5,350 | May 24, 2022 | — | — |
| Toad-A- #542-135-36349 | Texland Petroleum L.P. | Ector, TXCowden North (Deep) | ActiveOil | 5,350 | Oct 15, 2021 | — | — |
| Holt O. B. -C- #2642-135-38043 | Texland Petroleum L.P. | Ector, TXCowden North | PluggedOil | 5,500 | Sep 30, 2021 | — | — |
| Cochran W. C. #2042-135-43818 | Texland Petroleum L.P. | Ector, TXCowden North (Deep) | ActiveOil | 5,327 | Sep 7, 2021 | — | — |
| Holt O. B. #8542-135-31503 | Texland Petroleum L.P. | Ector, TXCowden North | ActiveInjection | 4,542 | Aug 12, 2020 | — | — |
| Blakeney B. H. #542-135-43672 | Texland Petroleum L.P. | Ector, TXCowden North (Deep) | ActiveOil | 5,187 | Apr 2, 2019 | — | — |
| Holt #342-135-43652 | Texland Petroleum L.P. | Ector, TXCowden North (Deep) | Shut inOil | 5,334 | Nov 30, 2018 | — | — |
| Holt O. B. #13942-135-43622 | Texland Petroleum L.P. | Ector, TXCowden North | ActiveOil | 4,675 | Sep 30, 2018 | — | — |
| Holt O. B. Jr. Etal #1542-135-43621 | Texland Petroleum L.P. | Ector, TXCowden North (Deep) | ActiveOil | 5,327 | Sep 18, 2018 | — | — |
| Holt O. B. Jr. Etal #1442-135-43566 | Texland Petroleum L.P. | Ector, TXCowden North (Deep) | ActiveOil | 5,323 | Jan 29, 2018 | — | — |
| Ector BH Fee #2W42-135-37267 | Texland Petroleum L.P. | Ector, TXCowden North (Clear Fork) | ActiveInjection | 5,400 | Jul 10, 2017 | — | — |
| Holt O. B. #13842-135-43513 | Texland Petroleum L.P. | Ector, TXCowden North | ActiveOil | 4,820 | Jun 2, 2017 | — | — |
| Cochran W. C. #180142-135-37601 | Texland Petroleum L.P. | Ector, TXCowden North (Deep) | PluggedOil | 12,900 | Mar 24, 2017 | — | — |
| W.C. Cochran #1242-135-36569 | Texland Petroleum L.P. | Ector, TXCowden North | PluggedOil | 5,364 | Sep 27, 2016 | — | — |
| Blakeney B. H. #4R42-135-38820 | Texland Petroleum L.P. | Ector, TXCowden North (Deep) | PluggedOil | 6,000 | Jan 20, 2005 | — | — |
| Cowden Emma D #28HZ42-135-37380 | Texland Petroleum L.P. | Ector, TXCowden North | PluggedOil | 13,200 | Nov 21, 2003 | — | — |
| Cowden Emma #27R42-135-36755 | Texland Petroleum L.P. | Ector, TXCowden North (Deep) | Shut inOil | 5,350 | Nov 4, 2003 | — | — |
| Toad #1542-135-36695 | Texland Petroleum L.P. | Ector, TXCowden North (Deep) | ActiveOil | 5,340 | Nov 26, 2001 | — | — |
| Holt O. B. Jr. -a- #142-135-01709 | Texland Petroleum L.P. | Ector, TXCowden North (Deep) | ActiveOil | 5,340 | Aug 21, 2001 | — | — |
| Toad #1642-135-38087 | Texland Petroleum L.P. | Ector, TXCowden North (Deep) | PluggedOil | 5,500 | Aug 15, 2001 | — | — |
| Holt O. B. Jr. -a- #242-135-01710 | Texland Petroleum L.P. | Ector, TXCowden North (Deep) | ActiveOil | 5,170 | Jul 25, 2001 | — | — |
| Cochran W. C. #1942-135-38077 | Texland Petroleum L.P. | Ector, TXCowden North (Deep) | PluggedOil | 5,500 | Jul 5, 2001 | — | — |
| Holt -D- #542-135-38078 | Texland Petroleum L.P. | Ector, TXCowden North (Deep) | ActiveOil | 5,365 | Jun 25, 2001 | — | — |
| Holt O. B. -C- #3242-135-38088 | Texland Petroleum L.P. | Ector, TXCowden North (Deep) | Shut inOil | 5,383 | Jun 14, 2001 | — | — |
| Holt O. B. Tract 1 #1001A42-135-37862 | Texland Petroleum L.P. | Ector, TXTriple-N (Penn. Upper) | PluggedOil | 13,200 | Jun 12, 2001 | — | — |
| Blakeney B. H. /Holt Pay/ #2242-135-38054 | Texland Petroleum L.P. | Ector, TXCowden North (Deep) | PluggedOil | 5,500 | Apr 26, 2001 | — | — |
| Blakeney B. H. /Holt Pay/ #2342-135-38055 | Texland Petroleum L.P. | Ector, TXCowden North (Deep) | Shut inOil | 5,360 | Apr 26, 2001 | — | — |
| Holt O. B. -C- #2542-135-38042 | Texland Petroleum L.P. | Ector, TXCowden North (Deep) | ActiveInjection | 5,355 | Apr 11, 2001 | — | — |
| Holt O. B. -C- #2942-135-38044 | Texland Petroleum L.P. | Ector, TXCowden North (Deep) | ActiveOil | 5,360 | Apr 11, 2001 | — | — |
| Holt O. B. -C- #3142-135-38046 | Texland Petroleum L.P. | Ector, TXCowden North (Deep) | PluggedOil | 5,500 | Apr 11, 2001 | — | — |
| Holt O. B. -C- #3042-135-38045 | Texland Petroleum L.P. | Ector, TXCowden North (Deep) | ActiveInjection | 5,360 | Apr 4, 2001 | — | — |
| Blakeney B. H. /Holt Pay/ #2442-135-38008 | Texland Petroleum L.P. | Ector, TXCowden North (Deep) | Shut inOil | 5,425 | Mar 29, 2001 | — | — |
| Cochran W. C. #1642-135-38009 | Texland Petroleum L.P. | Ector, TXCowden North (Deep) | Shut inOil | 5,445 | Mar 29, 2001 | — | — |
| Holt O. B. -C- #2742-135-38007 | Texland Petroleum L.P. | Ector, TXCowden North (Deep) | PluggedOil | 5,500 | Mar 21, 2001 | — | — |
| Holt O. B. Jr. #1Q42-135-37952 | Texland Petroleum L.P. | Ector, TXPenteam (Queen) | ActiveGas | 4,103 | Jan 4, 2001 | — | — |
| Holt Sr. #1Q42-135-37953 | Texland Petroleum L.P. | Ector, TXPenteam (Queen) | ActiveOil | 4,119 | Jan 4, 2001 | — | — |
| Holt O. B. -C- #2442-135-37944 | Texland Petroleum L.P. | Ector, TXCowden North (Deep) | ActiveOil | 5,400 | Dec 11, 2000 | — | — |
| Holt O. B. -C- #2342-135-37945 | Texland Petroleum L.P. | Ector, TXCowden North (Deep) | ActiveOil | 5,415 | Dec 11, 2000 | — | — |
| Holt O. B. Jr. a #1Q42-135-37937 | Texland Petroleum L.P. | Ector, TXPenteam (Queen) | ActiveGas | 4,096 | Nov 21, 2000 | — | — |
| Blakeney B. H. /Holt Pay/ #2042-135-37901 | Texland Petroleum L.P. | Ector, TXCowden North (Deep) | ActiveInjection | 5,475 | Oct 30, 2000 | — | — |
| Blakeney B. H. /Holt Pay/ #2142-135-37902 | Texland Petroleum L.P. | Ector, TXCowden North (Deep) | ActiveInjection | 5,400 | Oct 30, 2000 | — | — |
| Cochran W. C. #1542-135-37900 | Texland Petroleum L.P. | Ector, TXCowden North (Deep) | Shut inOil | 5,450 | Oct 27, 2000 | — | — |
| Holt O. B. #126HHZ42-135-36239 | Texland Petroleum L.P. | Ector, TXCowden North | Shut inOil | 4,925 | Oct 11, 2000 | — | — |
| Holt O. B. #136HHZ42-135-37452 | Texland Petroleum L.P. | Ector, TXCowden North | PluggedOil | 4,850 | Oct 11, 2000 | — | — |
| Holt O. B. #10442-135-31514 | Texland Petroleum L.P. | Ector, TXCowden North | PluggedOil | 4,510 | Sep 13, 2000 | — | — |
| Holt #242-135-32102 | Texland Petroleum L.P. | Ector, TXPenteam (Queen) | PluggedGas | 4,100 | Aug 28, 2000 | — | — |
| Holt a #242-135-33348 | Texland Petroleum L.P. | Ector, TXPenteam (Queen) | Temporarily abandonedGas | 5,410 | Oct 15, 1999 | — | — |