| Blakeney B. H. /Holt Pay/ #2242-135-38054 | Texland Petroleum L.P. only | EctorCowden North (Deep) | PluggedOil | 5,500 | Apr 26, 2001 | 1 | Aug 2026 |
| Blakeney B. H. /Holt Pay/ #2342-135-38055 | Texland Petroleum L.P. only | EctorCowden North (Deep) | Shut inOil | 5,360 | Apr 26, 2001 | 1 | Aug 2026 |
| Goldsmith Blakeney SA Unit #9442-135-04361 | Occidental Permian Ltd. only | EctorGoldsmith (San Andres) | PluggedGas | 4,245 | Apr 24, 2001 | 1 | Aug 2026 |
| Goldsmith-Blakeney /S.A./ Unit #34W42-135-30628 | Occidental Permian Ltd. only | EctorGoldsmith | PluggedOil | 4,213 | Apr 24, 2001 | 1 | Aug 2026 |
| Holt O. B. /R/ #3542-135-38053 | Occidental Permian Ltd. only | EctorCowden North | Shut inOil | 4,801 | Apr 23, 2001 | 1 | Aug 2026 |
| Blakeney B. H. -B- #3HZ42-135-04383 | OXY USA Inc. only | EctorCowden North (Deep) | PluggedOil | 5,350 | Apr 17, 2001 | 2 | Oct 2017 |
| Sallie W. Ratliff Bfy #142-135-04995 | Eureka Prospecting Company only | EctorMac-Boring (Wolfcamp -G-) | PluggedOil | 9,000 | Apr 17, 2001 | 1 | — |
| Blakeney-Sun #2HZ42-135-04425 | OXY USA Inc. only | EctorCowden North (Deep) | ActiveOil | 5,230 | Apr 16, 2001 | 1 | Aug 2026 |
| Holt, O. B. Jr. #4Q42-135-38057 | Pure Resources, L.P.permitted by · no operator of record | EctorPenteam (Queen) | Not on schedule | 4,200 | Apr 12, 2001 | 1 | — |
| Holt O. B. Jr. #3Q42-135-38058 | Chevron Midcontinent L.P. only | EctorPenteam (Queen) | PluggedGas | 4,200 | Apr 12, 2001 | 1 | Jan 2002 |
| Blakeney B. H. -a- #7HZ42-135-04382 | OXY USA Inc. only | EctorCowden North (Deep) | PluggedOil | 5,350 | Apr 11, 2001 | 1 | Aug 2026 |
| Holt O. B. -C- #2542-135-38042 | Texland Petroleum L.P. only | EctorCowden North (Deep) | ActiveInjection | 5,355 | Apr 11, 2001 | 1 | Aug 2026 |
| Holt O. B. -C- #2942-135-38044 | Texland Petroleum L.P. only | EctorCowden North (Deep) | ActiveOil | 5,360 | Apr 11, 2001 | 1 | Aug 2026 |
| Holt O. B. -C- #3142-135-38046 | Texland Petroleum L.P. only | EctorCowden North (Deep) | PluggedOil | 5,500 | Apr 11, 2001 | 1 | Aug 2026 |
| J.W.M. 12 #142-135-38056 | Texland Petroleum Inc.permitted by · no operator of record | Ector | Plugged | 8,500 | Apr 10, 2001 | 1 | — |
| Holt O. B. -C- #3042-135-38045 | Texland Petroleum L.P. only | EctorCowden North (Deep) | ActiveInjection | 5,360 | Apr 4, 2001 | 1 | Aug 2026 |
| Blakeney B. H. /Holt Pay/ #2442-135-38008 | Texland Petroleum L.P. only | EctorCowden North (Deep) | Shut inOil | 5,425 | Mar 29, 2001 | 1 | Aug 2026 |
| Cochran W. C. #1642-135-38009 | Texland Petroleum L.P. only | EctorCowden North (Deep) | Shut inOil | 5,445 | Mar 29, 2001 | 1 | Aug 2026 |
| North Cowden Unit #153942-135-38052 | Occidental Permian Ltd. only | EctorCowden North | Shut inOil | 4,583 | Mar 29, 2001 | 1 | Aug 2026 |
| North Cowden Unit #152842-135-38048 | Occidental Permian Ltd. only | EctorCowden North | ActiveOil | 4,552 | Mar 27, 2001 | 1 | Aug 2026 |
| North Cowden Unit #152942-135-38049 | Occidental Permian Ltd. only | EctorCowden North | Shut inOil | 4,622 | Mar 27, 2001 | 1 | Aug 2026 |
| North Cowden Unit #153142-135-38050 | Occidental Permian Ltd. only | EctorCowden North | ActiveOil | 4,464 | Mar 27, 2001 | 1 | Aug 2026 |
| North Cowden Unit #153442-135-38051 | Occidental Permian Ltd. only | EctorCowden North | PluggedOil | 4,800 | Mar 27, 2001 | 1 | Aug 2026 |
| Cowden J. F. #842-135-02660 | Diamond S Energy Company only | EctorGoldsmith N. (San Andres Con.) | ActiveOil | 8,583 | Mar 21, 2001 | 1 | Aug 2026 |
| Holt O. B. -C- #2742-135-38007 | Texland Petroleum L.P. only | EctorCowden North (Deep) | PluggedOil | 5,500 | Mar 21, 2001 | 1 | Aug 2026 |
| Diamond Lil #142-135-38047 | Hilcorp Energy Company only | EctorHarper (Ellenburger) | ActiveOil | 12,483 | Mar 20, 2001 | 1 | Aug 2026 |
| Headlee Devonian Unit #493 HHZ42-135-08747 | Four Star Oil and Gas Company only | EctorHeadlee (Devonian) | PluggedGas | 16,000 | Mar 15, 2001 | 1 | — |
| North Cowden Unit #499W42-135-20206 | Occidental Permian Ltd. only | EctorCowden North | PluggedOil | 4,800 | Mar 13, 2001 | 1 | Aug 2026 |
| North Cowden Unit #152142-135-38037 | Occidental Permian Ltd. only | EctorCowden North | ActiveOil | 4,650 | Mar 13, 2001 | 1 | Aug 2026 |
| North Cowden Unit #153542-135-38038 | Occidental Permian Ltd. only | EctorCowden North | Shut inOil | 4,471 | Mar 13, 2001 | 1 | Aug 2026 |
| North Cowden Unit #153642-135-38039 | Occidental Permian Ltd. only | EctorCowden North | PluggedOil | 4,800 | Mar 13, 2001 | 1 | Aug 2026 |
| North Cowden Unit #153742-135-38040 | Occidental Permian Ltd. only | EctorCowden North | ActiveInjection | 4,528 | Mar 13, 2001 | 1 | Aug 2026 |
| North Cowden Unit #153842-135-38041 | Occidental Permian Ltd. only | EctorCowden North | ActiveInjection | 4,865 | Mar 13, 2001 | 1 | Aug 2026 |
| South Cowden Unit #220HZ42-135-33899 | Conocophillips Company only | EctorCowden South | PluggedOil | 4,800 | Mar 12, 2001 | 2 | Aug 2026 |
| Witcher J. E. #11642-135-38031 | Occidental Permian Ltd. only | EctorFoster | PluggedOil | 4,600 | Mar 12, 2001 | 1 | Aug 2026 |
| Witcher J. E. #11042-135-38032 | Occidental Permian Ltd. only | EctorFoster | PluggedOil | 4,600 | Mar 12, 2001 | 1 | Aug 2026 |
| Witcher J. E. #11242-135-38033 | Occidental Permian Ltd. only | EctorFoster | PluggedOil | 4,600 | Mar 12, 2001 | 1 | Aug 2026 |
| Witcher J. E. #11442-135-38034 | Occidental Permian Ltd. only | EctorFoster | PluggedOil | 4,600 | Mar 12, 2001 | 1 | Aug 2026 |
| Witcher J. E. #11742-135-38035 | Occidental Permian Ltd. only | EctorFoster | PluggedOil | 4,600 | Mar 12, 2001 | 1 | Aug 2026 |
| Witcher J. E. -a- #1642-135-38036 | Occidental Permian Ltd. only | EctorFoster | PluggedOil | 4,600 | Mar 12, 2001 | 1 | Aug 2026 |
| Goldsmith-Landreth /Deep/ Unit #32042-135-38025 | Occidental Permian Ltd. only | EctorGoldsmith (Clear Fork) | ActiveOil | 6,360 | Mar 6, 2001 | 1 | Aug 2026 |
| Goldsmith-Landreth /Deep/ Unit #32142-135-38026 | Occidental Permian Ltd. only | EctorGoldsmith (Clear Fork) | PluggedOil | 6,500 | Mar 6, 2001 | 1 | Aug 2026 |
| Goldsmith Landreth Deep Unit #34142-135-38028 | Occidental Permian Ltd.permitted by · no operator of record | EctorGoldsmith (Clear Fork) | Not on schedule | 6,500 | Mar 6, 2001 | 1 | — |
| Goldsmith-Landreth /Deep/ Unit #34242-135-38029 | Occidental Permian Ltd. only | EctorGoldsmith (Clear Fork) | ActiveOil | 6,385 | Mar 6, 2001 | 1 | Aug 2026 |
| TXL North Unit #87942-135-38024 | Formentera Operations LLC only | EctorTXL (Tubb) | ActiveInjection | 6,925 | Mar 2, 2001 | 2 | Aug 2026 |
| Johnson J. L. -AB- #18142-135-35218 | GL Energy Operating LLC only | EctorJohnson | Shut inOil | 5,400 | Feb 28, 2001 | 3 | Aug 2026 |
| North Cowden Unit #151442-135-38019 | Occidental Permian Ltd. only | EctorCowden North | Shut inOil | 4,507 | Feb 28, 2001 | 1 | Aug 2026 |
| North Cowden Unit #151642-135-38020 | Occidental Permian Ltd. only | EctorCowden North | ActiveOil | 4,485 | Feb 28, 2001 | 1 | Aug 2026 |
| North Cowden Unit #152042-135-38021 | Occidental Permian Ltd. only | EctorCowden North | ActiveOil | 4,582 | Feb 28, 2001 | 1 | Aug 2026 |
| North Cowden Unit #151142-135-38022 | Occidental Permian Ltd. only | EctorCowden North | ActiveOil | 4,428 | Feb 28, 2001 | 1 | Aug 2026 |