| Texaco-Slator "22" #342-135-35878 | Rust Oil Corp.permitted by · no operator of record | Ector | Not on schedule | 6,500 | Apr 20, 1988 | 1 | — |
| Johnson -B-36- #242-135-35880 | OXY USA Inc. only | EctorCowden North (Canyon) | PluggedOil | 9,300 | Apr 20, 1988 | 1 | Aug 2026 |
| Cowden -29- #142-135-35876 | Prime Operating Company only | EctorCowden (Cisco) | PluggedOil | 9,300 | Apr 11, 1988 | 1 | Oct 1994 |
| Goldsmith C. A. Etal #1273R42-135-30323 | Hilcorp Energy Company only | EctorGoldsmith (Clear Fork) | Shut inOil | 6,550 | Apr 7, 1988 | 2 | Jul 2026 |
| Goldsmith-Landreth /Deep/ Unit #24542-135-35873 | Occidental Permian Ltd. only | EctorGoldsmith (Clear Fork) | ActiveOil | 6,361 | Apr 5, 1988 | 2 | Aug 2026 |
| Goldsmith-Landreth /Deep/ Unit #24442-135-35874 | Occidental Permian Ltd. only | EctorGoldsmith (Clear Fork) | ActiveOil | 6,368 | Apr 5, 1988 | 2 | Aug 2026 |
| Goldsmith-Landreth /Deep/ Unit #24642-135-35875 | Occidental Permian Ltd. only | EctorGoldsmith (Clear Fork) | Shut inOil | 6,371 | Apr 5, 1988 | 2 | Aug 2026 |
| Cowden Elliott F. #542-135-35870 | Aghorn Operating Inc. only | EctorHarper | Shut inOil | 4,335 | Apr 4, 1988 | 1 | Jun 2011 |
| East Harper Unit #46642-135-35871 | Aghorn Operating Inc. only | EctorHarper | ActiveOil | 4,386 | Apr 4, 1988 | 1 | Jun 2026 |
| Kloh B-17 #142-135-08763 | Crescent Energy Operating LLC only | EctorTXL (Wolfcamp North) | Shut inOil | 8,020 | Apr 1, 1988 | 1 | Dec 2016 |
| East Harper Unit #46742-135-35872 | Aghorn Operating Inc. only | EctorHarper | ActiveOil | 4,402 | Apr 1, 1988 | 1 | Jun 2026 |
| Cummins K #742-135-00120 | Octane Energy Operating LLC only | EctorGoldsmith N. (San Andres Con.) | Shut inOil | 5,759 | Mar 29, 1988 | 1 | Aug 2026 |
| Gist Unit #14442-135-35851 | Aghorn Operating Inc. only | EctorFoster | PluggedOil | 4,500 | Mar 29, 1988 | 1 | Jun 2026 |
| North Cowden Unit #139542-135-35866 | Occidental Permian Ltd. only | EctorCowden North | ActiveOil | 4,426 | Mar 28, 1988 | 1 | Aug 2026 |
| North Cowden Unit #139642-135-35867 | Occidental Permian Ltd. only | EctorCowden North | ActiveOil | 4,434 | Mar 28, 1988 | 1 | Aug 2026 |
| North Cowden Unit #139742-135-35868 | Occidental Permian Ltd. only | EctorCowden North | PluggedOil | 5,000 | Mar 28, 1988 | 1 | Aug 2026 |
| Cummins K #442-135-00117 | Octane Energy Operating LLC only | EctorGoldsmith N. (San Andres Con.) | ActiveOil | 6,236 | Mar 26, 1988 | 1 | Aug 2026 |
| Cummins H. E. -J- #2 T42-135-08471 | Bridge Oil Company L. P. only | EctorGoldsmith (5600) | PluggedOil | 8,055 | Mar 25, 1988 | 1 | — |
| Cowden -H- #142-135-35863 | Colter Operating Inc. only | EctorCowden (Cisco) | PluggedOil | 9,000 | Mar 23, 1988 | 1 | — |
| Gist Unit #15842-135-35860 | Conoco Inc.permitted by · no operator of record | EctorFoster | Not on schedule | 4,500 | Mar 22, 1988 | 2 | — |
| Parker J. E. Trust et al -N- #142-135-35862 | Hat Oil & Gas Inc. only | EctorGoldsmith (5600) | PluggedOil | 12,500 | Mar 22, 1988 | 3 | — |
| Maurice B #142-135-35833 | Rein Pusher Operating LLC only | EctorCowden South | ActiveOil | 4,710 | Mar 21, 1988 | 1 | Aug 2026 |
| South Foster Unit #196W42-135-35861 | Occidental Permian Ltd. only | EctorFoster | PluggedOil | 4,800 | Mar 21, 1988 | 1 | Aug 2026 |
| Headlee Devonian Unit #381042-135-35859 | Getty Oil Co.permitted by · no operator of record | EctorHeadlee (Devonian) | Not on schedule | 12,285 | Mar 16, 1988 | 1 | — |
| Cummins -a- #142-135-35855 | Raptor Resources Inc. only | EctorGoldsmith W. (San Andres) | ActiveOil | 5,850 | Mar 15, 1988 | 1 | Aug 2026 |
| Cummins -B- #142-135-35856 | Raptor Resources Inc. only | EctorGoldsmith W. (San Andres) | ActiveOil | 5,850 | Mar 15, 1988 | 1 | Aug 2026 |
| Johnson, J. L. "38" #642-135-35857 | Conoco Inc.permitted by · no operator of record | EctorJohnson (Holt) | Not on schedule | 5,500 | Mar 15, 1988 | 1 | — |
| Johnson, J. L. "38" #742-135-35858 | Conoco Inc.permitted by · no operator of record | EctorJohnson (Holt) | Not on schedule | 5,500 | Mar 15, 1988 | 1 | — |
| Cowden J. F. #1242-135-02664 | Diamond S Energy Company only | EctorGoldsmith N. (San Andres Con.) | ActiveOil | 7,900 | Mar 14, 1988 | 1 | Aug 2026 |
| Blue R. H. #242-135-08117 | Formentera Operations LLC only | EctorWheeler (Wolfcamp) | PluggedOil | 10,591 | Mar 14, 1988 | 1 | Aug 2026 |
| Wheeler R. A. #142-135-08297 | Formentera Operations LLC only | EctorWheeler (Waddell) | Shut inOil | 10,628 | Mar 8, 1988 | 1 | Aug 2026 |
| Goldsmith C. A. Etal #1379R42-135-34321 | Hilcorp Energy Company only | EctorGoldsmith (Clear Fork) | PluggedOil | 6,750 | Mar 7, 1988 | 3 | Jul 2026 |
| Goldsmith C. A. Etal #1292R42-135-30360 | Hilcorp Energy Company only | EctorGoldsmith (Clear Fork) | ActiveOil | 6,600 | Mar 4, 1988 | 2 | Jul 2026 |
| Goldsmith C. A. Etal #1401R42-135-34332 | Hilcorp Energy Company only | EctorGoldsmith (Clear Fork) | Shut inOil | 6,600 | Mar 4, 1988 | 2 | Jul 2026 |
| Blue Estate #642-135-08891 | Formentera Operations LLC only | EctorWheeler (Wolfcamp) | ActiveOil | 10,700 | Mar 3, 1988 | 2 | Aug 2026 |
| Colbert E. K. #1142-135-35827 | Aghorn Operating Inc. only | EctorCowden South | ActiveOil | 4,732 | Mar 3, 1988 | 1 | Jun 2026 |
| Emmons Unit #12742-135-35829 | Aghorn Operating Inc. only | EctorCowden South | Shut inOil | 4,714 | Mar 3, 1988 | 1 | May 2026 |
| Kloh B-41 #242-135-07503 | Conoco Inc. only | EctorTXL (Devonian) | PluggedOil | 9,870 | Mar 2, 1988 | 2 | — |
| McNamara Ruth 3 #142-135-35852 | Meridian Oil Inc.permitted by · no operator of record | EctorRatliff, N. (Wolfcamp) | Plugged | 9,050 | Mar 2, 1988 | 1 | — |
| Addis Frank V. -D- #642-135-30124 | Occidental Permian Ltd. only | EctorCowden South | ActiveOil | 9,211 | Feb 29, 1988 | 1 | Aug 2026 |
| Henderson E. A. #18R42-135-35850 | Laguna Petroleum Corporation only | EctorCowden South (Canyon 8790) | PluggedOil | 9,250 | Feb 25, 1988 | 1 | Feb 2013 |
| Kloh B-5 #9W42-135-35846 | Aghorn Operating Inc. only | EctorGoldsmith W. (San Andres) | Shut inOil | 6,800 | Feb 24, 1988 | 1 | Jun 2026 |
| North Cowden Unit #135842-135-35847 | Occidental Permian Ltd. only | EctorCowden North | ActiveOil | 4,345 | Feb 24, 1988 | 1 | Aug 2026 |
| Cowden -32- #242-135-35848 | Prime Operating Company only | EctorCowden (Cisco) | PluggedOil | 9,300 | Feb 23, 1988 | 1 | Jul 1999 |
| Edwards #104842-135-35849 | Horizon Oil & Gas Co.permitted by · no operator of record | Ector | Plugged | 4,650 | Feb 23, 1988 | 1 | — |
| Foster H. S. -a- #2642-135-35840 | OXY USA Inc. only | EctorCowden South | ActiveInjection | 4,915 | Feb 22, 1988 | 2 | Aug 2026 |
| Foster H. S. -a- #23W42-135-35841 | OXY USA Inc. only | EctorCowden South | PluggedOil | 4,950 | Feb 22, 1988 | 1 | Aug 2026 |
| Foster H. S. -a- #24W42-135-35842 | OXY USA Inc. only | EctorCowden South | Shut inOil | 4,850 | Feb 22, 1988 | 1 | Aug 2026 |
| Foster H. S. -a- #25W42-135-35843 | OXY USA Inc. only | EctorCowden South | PluggedOil | 4,950 | Feb 22, 1988 | 1 | Aug 2026 |
| South Cowden Canyon Unit #2642-135-35845 | OXY USA Inc. only | EctorCowden South (Canyon 8900) | Shut inOil | 9,150 | Feb 22, 1988 | 1 | Aug 2026 |