| Moss Unit #801442-135-36017 | Aghorn Operating Inc. only | EctorCowden South | ActiveInjection | 4,820 | Dec 29, 1988 | 1 | Jun 2026 |
| Moss Unit #901142-135-36018 | Aghorn Operating Inc. only | EctorCowden South | Shut inOil | 4,785 | Dec 29, 1988 | 1 | Jun 2026 |
| Moss Unit #901242-135-36019 | Aghorn Operating Inc. only | EctorCowden South | PluggedOil | 4,800 | Dec 29, 1988 | 1 | Jun 2026 |
| Johnson J. L. Unit #21242-135-36020 | O Ryan Oil and Gas only | EctorFoster | Shut inOil | 4,300 | Dec 29, 1988 | 1 | Aug 2026 |
| Cowden 14 #2G42-135-36012 | Aghorn Operating Inc. only | EctorHarper (Glorieta) | ActiveOil | 5,581 | Dec 23, 1988 | 1 | Jun 2026 |
| Cowden -13- #3G42-135-36013 | Aghorn Operating Inc. only | EctorHarper (Glorieta) | ActiveOil | 5,554 | Dec 23, 1988 | 1 | Jun 2026 |
| Moss Unit #50642-135-36014 | Aghorn Operating Inc. only | EctorCowden South | PluggedOil | 4,800 | Dec 22, 1988 | 1 | Jun 2026 |
| Goldsmith C. A. Etal #1101R42-135-20092 | Hilcorp Energy Company only | EctorGoldsmith (Clear Fork) | PluggedOil | 19,840 | Dec 14, 1988 | 2 | Jul 2026 |
| Henderson a #142-135-36011 | OXY USA Inc. only | EctorAddis (Devonian) | PluggedOil | 13,300 | Dec 9, 1988 | 1 | Sep 1997 |
| Rectifier #0698CP42-135-36008 | El Paso Natural Gas Co.permitted by · no operator of record | Ector | Not on schedule | 500 | Dec 7, 1988 | 1 | — |
| Cowden -12- #3G42-135-36010 | Aghorn Operating Inc. only | EctorHarper (Glorieta) | ActiveOil | 7,000 | Dec 7, 1988 | 1 | Jun 2026 |
| Toad #142-135-35950 | Texland Petroleum L.P. only | EctorCowden North | PluggedOil | 5,500 | Dec 5, 1988 | 2 | Aug 2026 |
| Kayser Eva #142-135-36009 | Aghorn Operating Inc. only | EctorCowden South | Shut inOil | 4,303 | Dec 2, 1988 | 1 | May 2026 |
| Lynch #242-135-33845 | Colter Operating, Inc.permitted by · no operator of record | Ector | Plugged | 9,150 | Nov 30, 1988 | 2 | — |
| Foster C-1 #342-135-36007 | MWJ Producing Company only | EctorCowden South (Canyon 8900) | PluggedOil | 9,650 | Nov 22, 1988 | 1 | — |
| Splc-27 #2742-135-36006 | Shell Pipe Line Corporationpermitted by · no operator of record | Ector | Not on schedule | 400 | Nov 18, 1988 | 1 | — |
| Wheeler A. E. #342-135-08295 | Petex only | EctorWheeler (Silurian) | ActiveOil | 10,550 | Nov 17, 1988 | 2 | Aug 2026 |
| Toad #242-135-36005 | Texland Petroleum L.P. only | EctorCowden North (Deep) | PluggedOil | 5,350 | Nov 17, 1988 | 1 | Aug 2026 |
| Cowden #142-135-21458 | Cox John L. only | EctorHarper N. (Dev) | PluggedOil | 6,000 | Nov 14, 1988 | 1 | — |
| Blakeney B. H. -B- #542-135-36004 | Occidental Permian Ltd. only | EctorCowden North (Deep) | ActiveOil | 5,327 | Nov 14, 1988 | 1 | Aug 2026 |
| Barrow, Augusta #2842-135-35994 | Exxon Corp.permitted by · no operator of record | EctorCowden, North | Not on schedule | 4,900 | Nov 8, 1988 | 1 | — |
| Barrow Augusta #2942-135-35995 | Formentera Operations LLC only | EctorCowden North | PluggedOil | 4,900 | Nov 8, 1988 | 1 | Nov 2025 |
| Barrow Augusta #3042-135-35996 | Formentera Operations LLC only | EctorCowden North | Shut inOil | 4,822 | Nov 8, 1988 | 1 | Nov 2025 |
| Cowden -13- #142-135-35853 | Aghorn Operating Inc. only | EctorHarper (Glorieta) | PluggedOil | 9,500 | Nov 1, 1988 | 2 | Jun 2026 |
| Wright -14- #1G42-135-36001 | Aghorn Operating Inc. only | EctorHarper (Glorieta) | ActiveOil | 5,546 | Oct 31, 1988 | 1 | Jun 2026 |
| Williamson, J. M. B #342-135-36002 | Phoenix Hydrocarbons, Inc.permitted by · no operator of record | Ector | Not on schedule | 5,850 | Oct 31, 1988 | 1 | — |
| Cowden -11- #1G42-135-36000 | Aghorn Operating Inc. only | EctorHarper (Glorieta) | ActiveOil | 5,851 | Oct 28, 1988 | 1 | Jun 2026 |
| Corrigan Cowden Unit #20842-135-35988 | OXY USA Inc. only | EctorCowden North | PluggedOil | 4,700 | Oct 26, 1988 | 1 | Aug 2026 |
| Cowden "H" #342-135-35999 | Atkins Petroleum Corp.permitted by · no operator of record | EctorHarper | Not on schedule | 4,350 | Oct 25, 1988 | 1 | — |
| Witcher, J. E. #9242-135-35990 | Amoco Production Companypermitted by · no operator of record | EctorFoster | Not on schedule | 4,800 | Oct 24, 1988 | 1 | — |
| Goldsmith C. A. Etal #1219RW42-135-30174 | Hilcorp Energy Company only | EctorGoldsmith (Clear Fork) | ActiveInjection | 6,500 | Oct 18, 1988 | 2 | Jul 2026 |
| Goldsmith C. A. Etal #1293R42-135-30361 | Hilcorp Energy Company only | EctorGoldsmith (Clear Fork) | ActiveOil | 6,650 | Oct 18, 1988 | 2 | Jul 2026 |
| Ector AK Fee #442-135-35981 | OXY USA Inc. only | EctorCowden South | PluggedOil | 4,900 | Oct 17, 1988 | 1 | Sep 1993 |
| Cowden -B- #142-135-35997 | Colter Operating Inc. only | EctorCowden (Cisco) | PluggedOil | 9,000 | Oct 17, 1988 | 1 | — |
| Moss Paul -C- #3242-135-35991 | Aghorn Operating Inc. only | EctorHarper | Shut inOil | 4,190 | Oct 14, 1988 | 1 | Jun 2026 |
| Moss Paul -C- #3042-135-35992 | Aghorn Operating Inc. only | EctorHarper | PluggedOil | 4,200 | Oct 14, 1988 | 1 | Jun 2026 |
| Moss Paul -C- #3142-135-35993 | Aghorn Operating Inc. only | EctorHarper | Shut inOil | 4,173 | Oct 14, 1988 | 1 | Jun 2026 |
| Cowden -12- #2G42-135-35989 | Aghorn Operating Inc. only | EctorHarper (Glorieta) | ActiveOil | 5,541 | Oct 12, 1988 | 2 | Jun 2026 |
| McDonald Ida #2742-135-02328 | Ctoc Energy LLC only | EctorPenwell (Clear Fork) | PluggedOil | 6,650 | Sep 28, 1988 | 1 | Aug 2026 |
| Maurice Ressie #142-135-35982 | Rein Pusher Operating LLC only | EctorCowden South | ActiveOil | 4,670 | Sep 26, 1988 | 1 | Aug 2026 |
| Goldsmith Andector Unit #j 13W42-135-35983 | Maverick Permian LLC only | EctorGoldsmith (Clear Fork) | Shut inOil | 6,507 | Sep 26, 1988 | 1 | Aug 2026 |
| Goldsmith Andector Unit #F15542-135-35985 | Maverick Permian LLC only | EctorGoldsmith (Clear Fork) | Shut inOil | 6,450 | Sep 26, 1988 | 1 | Aug 2026 |
| Goldsmith Andector Unit #L15542-135-35986 | Maverick Permian LLC only | EctorGoldsmith (Clear Fork) | Shut inOil | 6,550 | Sep 26, 1988 | 1 | Aug 2026 |
| Longbotham, Cora "a" #142-135-35977 | Amoco Production Companypermitted by · no operator of record | EctorCowden, South (Canyon 8790) | Not on schedule | 9,700 | Sep 19, 1988 | 1 | — |
| Cowden Clyde #17042-135-35979 | Maverick Permian LLC only | EctorGoldsmith (Clear Fork) | Shut inOil | 6,666 | Sep 19, 1988 | 2 | Aug 2026 |
| Cowden Clyde #16842-135-35980 | Maverick Permian LLC only | EctorGoldsmith (Clear Fork) | ActiveOil | 6,700 | Sep 19, 1988 | 2 | Aug 2026 |
| Ector -AS- Fee #1042-135-35976 | Conoco Inc. only | EctorCowden South (Canyon 8900) | PluggedOil | 9,150 | Sep 16, 1988 | 1 | — |
| Cowden Clyde #16942-135-35978 | Maverick Permian LLC only | EctorGoldsmith (Clear Fork) | PluggedOil | 6,800 | Sep 16, 1988 | 2 | Aug 2026 |
| Thomas -a- #242-135-07004 | Apache Corporation only | EctorTXL (San Andres) | PluggedOil | 9,778 | Sep 15, 1988 | 1 | Feb 2018 |
| Goldsmith C. A. Etal #1117R42-135-30009 | Hilcorp Energy Company only | EctorGoldsmith (Clear Fork) | PluggedOil | 6,950 | Sep 14, 1988 | 2 | Jul 2026 |