| TXL North Unit #82242-135-37421 | Formentera Operations LLC only | EctorTXL (Tubb) | Shut inOil | 6,960 | May 13, 1997 | 1 | Aug 2026 |
| TXL North Unit #82142-135-37422 | Formentera Operations LLC only | EctorTXL (Tubb) | Shut inOil | 6,620 | May 13, 1997 | 2 | Aug 2026 |
| TXL North Unit #82342-135-37423 | Formentera Operations LLC only | EctorTXL (Tubb) | ActiveOil | 6,510 | May 13, 1997 | 2 | Aug 2026 |
| TXL North Unit #81942-135-37424 | Formentera Operations LLC only | EctorTXL (Tubb) | Shut inOil | 6,650 | May 13, 1997 | 2 | Aug 2026 |
| TXL North Unit #81842-135-37425 | Formentera Operations LLC only | EctorTXL (Tubb) | ActiveOil | 6,690 | May 13, 1997 | 1 | Aug 2026 |
| TXL North Unit #81442-135-37427 | Formentera Operations LLC only | EctorTXL (Tubb) | PluggedOil | 7,000 | May 13, 1997 | 1 | Aug 2026 |
| TXL North Unit #81542-135-37428 | Formentera Operations LLC only | EctorTXL (Tubb) | Shut inOil | 6,820 | May 13, 1997 | 1 | Aug 2026 |
| TXL North Unit #81642-135-37429 | Formentera Operations LLC only | EctorTXL (Tubb) | ActiveOil | 6,990 | May 13, 1997 | 1 | Aug 2026 |
| TXL North Unit #81742-135-37430 | Formentera Operations LLC only | EctorTXL (Tubb) | ActiveOil | 6,900 | May 13, 1997 | 1 | Aug 2026 |
| Goldsmith-Cummins /Deep/ Unit #24542-135-37408 | Formentera Operations LLC only | EctorGoldsmith (Clear Fork) | ActiveOil | 6,765 | May 9, 1997 | 1 | Aug 2026 |
| Goldsmith-Cummins /Deep/ Unit #24642-135-37409 | Formentera Operations LLC only | EctorGoldsmith (Clear Fork) | Shut inOil | 6,805 | May 9, 1997 | 1 | Aug 2026 |
| York #142-135-37407 | McClure Oil Company, Inc.permitted by · no operator of record | EctorPenwell (Queen) | Plugged | 4,000 | May 7, 1997 | 1 | — |
| Goldsmith Adobe Unit #5007R42-135-37419 | Crescent Energy Operating LLC only | EctorGoldsmith (Clear Fork) | Shut inOil | 6,100 | May 7, 1997 | 1 | Aug 2026 |
| Fortune 500 #142-135-36522 | R3 Operating Corporation only | EctorCowden (Canyon) | ActiveOil | 12,789 | Apr 23, 1997 | 4 | Aug 2026 |
| Goldsmith Andector Unit #v 1542-135-08794 | Maverick Permian LLC only | EctorGoldsmith (Clear Fork) | PluggedOil | 6,000 | Apr 22, 1997 | 2 | Aug 2026 |
| Witcher -JE- #142-135-35042 | Phillips Petroleum Company only | EctorCowden South (Canyon 8790) | PluggedOil | 9,400 | Apr 17, 1997 | 2 | — |
| Goldsmith San Andres Unit #28642-135-00696 | Hilcorp Energy Company only | EctorGoldsmith | PluggedOil | 4,300 | Apr 14, 1997 | 1 | Aug 2026 |
| Holt Bobby #100142-135-37373 | OXY USA WTP LP only | EctorVenteam (Penn) | PluggedOil | 13,500 | Apr 14, 1997 | 2 | Jan 2021 |
| Paul Slator 38 #142-135-37406 | Hilcorp Energy Company only | EctorSlator (Devonian) | ActiveOil | 9,115 | Apr 4, 1997 | 1 | Aug 2026 |
| Holt, Bobby #110242-135-37404 | Enron Oil & Gas Companypermitted by · no operator of record | EctorVenteam (Penn) | Not on schedule | 10,000 | Apr 3, 1997 | 1 | — |
| Holt SWD Bobby #142-135-37405 | OXY USA WTP LP only | EctorTriple-N (Penn. Upper) | PluggedOil | 10,000 | Apr 2, 1997 | 2 | Jul 1999 |
| Harper Devonian Unit #70842-135-20325 | Hilcorp Energy Company only | EctorHarper (Devonian) | Shut inOil | 10,506 | Mar 25, 1997 | 1 | Aug 2026 |
| Parker T #242-135-37403 | Seaboard Oil Company only | EctorTom Roberts (Clear Fork) | PluggedOil | 5,800 | Mar 21, 1997 | 1 | Dec 1997 |
| Goldsmith-Cummins /Deep/ Unit #23942-135-37396 | Formentera Operations LLC only | EctorGoldsmith (Clear Fork) | Shut inOil | 6,950 | Mar 18, 1997 | 2 | Aug 2026 |
| Goldsmith-Cummins /Deep/ Unit #23842-135-37397 | Formentera Operations LLC only | EctorGoldsmith (Clear Fork) | ActiveInjection | 6,850 | Mar 18, 1997 | 2 | Aug 2026 |
| Goldsmith-Cummins /Deep/ Unit #23742-135-37398 | Formentera Operations LLC only | EctorGoldsmith (Clear Fork) | ActiveInjection | 6,570 | Mar 18, 1997 | 2 | Aug 2026 |
| Odessa Petrochemical #97142-135-37401 | Rexene Corporationpermitted by · no operator of record | Ector | Not on schedule | 400 | Mar 18, 1997 | 1 | — |
| Odessa Petrochemical #97042-135-37402 | Rexene Corporationpermitted by · no operator of record | Ector | Not on schedule | 400 | Mar 18, 1997 | 1 | — |
| Goldsmith San Andres Unit #110542-135-20096 | Hilcorp Energy Company only | EctorGoldsmith | ActiveObservation | 4,474 | Mar 14, 1997 | 1 | Aug 2026 |
| Goldsmith San Andres Unit #110642-135-20097 | Hilcorp Energy Company only | EctorGoldsmith | PluggedOil | 5,850 | Mar 14, 1997 | 1 | Aug 2026 |
| Goldsmith-Cummins /Deep/ Unit #24242-135-37393 | Formentera Operations LLC only | EctorGoldsmith (Clear Fork) | Shut inOil | 6,845 | Mar 14, 1997 | 2 | Aug 2026 |
| Goldsmith-Cummins /Deep/ Unit #24142-135-37394 | Formentera Operations LLC only | EctorGoldsmith (Clear Fork) | ActiveOil | 6,850 | Mar 14, 1997 | 2 | Aug 2026 |
| Goldsmith-Cummins /Deep/ Unit #24042-135-37395 | Formentera Operations LLC only | EctorGoldsmith (Clear Fork) | Shut inOil | 6,840 | Mar 14, 1997 | 2 | Aug 2026 |
| Kelly C #4201__42-135-37400 | Costilla Energy, Inc.permitted by · no operator of record | EctorOrion (Wolfcamp) | Plugged | 10,800 | Mar 13, 1997 | 1 | — |
| Stariad #1__42-135-37399 | Duncan Oil Properties, Inc.permitted by · no operator of record | EctorConcho Bluff, North (Queen) | Plugged | 4,750 | Mar 12, 1997 | 1 | — |
| Holt O. B. #6242-135-10686 | Texland Petroleum L.P. only | EctorCowden North (Deep) | PluggedOil | 13,130 | Mar 11, 1997 | 2 | Aug 2008 |
| Pinnacle #142-135-37392 | Baxter D. B. Inc. only | EctorFoster (Wolfcamp-Baxter) | ActiveOil | 14,036 | Mar 10, 1997 | 1 | Jul 2026 |
| Holt O. B. #6342-135-21179 | Texland Petroleum L.P. only | EctorCowden North (Deep) | PluggedOil | 9,140 | Feb 28, 1997 | 2 | Aug 2026 |
| Moss #2242-135-37388 | Walsh & Watts Inc. only | EctorHarper | ActiveOil | 4,360 | Feb 26, 1997 | 1 | Aug 2026 |
| TXL -QQ- #142-135-37389 | Formentera Operations LLC only | EctorGoldsmith W. (San Andres) | Shut inOil | 5,200 | Feb 26, 1997 | 1 | Jan 2009 |
| TXL L #142-135-37390 | Anadarko Petroleum Corporation only | EctorTXL (San Andres) | PluggedOil | 5,500 | Feb 26, 1997 | 1 | Dec 1997 |
| TXL North Unit #80042-135-37384 | Formentera Operations LLC only | EctorTXL (Tubb) | Shut inOil | 6,400 | Feb 24, 1997 | 2 | Aug 2026 |
| TXL North Unit #80242-135-37386 | Formentera Operations LLC only | EctorTXL (Tubb) | Shut inOil | 6,580 | Feb 24, 1997 | 1 | Aug 2026 |
| TXL #142-135-05960 | Hilcorp Energy Company only | EctorTXL (Wolfcamp North) | Shut inOil | 10,181 | Feb 18, 1997 | 1 | Feb 2016 |
| Rhodes #1__42-135-37381 | McClure Oil Company, Inc.permitted by · no operator of record | EctorPenwell (Queen) | Plugged | 4,000 | Feb 13, 1997 | 1 | — |
| Goldsmith Adobe Unit #480542-135-37382 | Crescent Energy Operating LLC only | EctorGoldsmith (Clear Fork) | ActiveOil | 6,100 | Feb 13, 1997 | 1 | Aug 2026 |
| Goldsmith Adobe Unit #490842-135-37383 | Crescent Energy Operating LLC only | EctorGoldsmith (Clear Fork) | PluggedOil | 6,100 | Feb 13, 1997 | 1 | Aug 2026 |
| Holt O. B. #12242-135-36243 | Texland Petroleum L.P. only | EctorCowden North | PluggedOil | 4,775 | Jan 29, 1997 | 2 | Aug 2026 |
| Holt O. B. Sr. Etal /NCT-C/ #342-135-08573 | Mulloy Operating Inc. only | EctorCowden North | PluggedOil | 4,475 | Jan 28, 1997 | 1 | — |
| North Foster Unit #89R42-135-31268 | Aghorn Operating Inc. only | EctorFoster | PluggedOil | 9,000 | Jan 28, 1997 | 1 | Jun 2026 |