| North Cowden Unit #123742-135-35426 | Occidental Permian Ltd. only | Ector, TXCowden North | Shut inOil | 4,550 | Feb 19, 1987 | — | — |
| North Cowden Unit #1265W42-135-35439 | Occidental Permian Ltd. only | Ector, TXCowden North | ActiveInjection | 4,445 | Feb 19, 1987 | — | — |
| North Cowden Unit #1267W42-135-35440 | Occidental Permian Ltd. only | Ector, TXCowden North | Shut inOil | 4,532 | Feb 19, 1987 | — | — |
| North Cowden Unit #1234W42-135-35441 | Occidental Permian Ltd. only | Ector, TXCowden North | PluggedOil | 1,234 | Feb 19, 1987 | — | — |
| North Cowden Unit #1233W42-135-35444 | Occidental Permian Ltd. only | Ector, TXCowden North | ActiveInjection | 4,410 | Feb 19, 1987 | — | — |
| North Cowden Unit #1242W42-135-35445 | Occidental Permian Ltd. only | Ector, TXCowden North | PluggedOil | 4,915 | Feb 19, 1987 | — | — |
| North Cowden Unit #1249W42-135-35446 | Occidental Permian Ltd. only | Ector, TXCowden North | PluggedOil | 4,810 | Feb 19, 1987 | — | — |
| North Cowden Unit #1251W42-135-35447 | Occidental Permian Ltd. only | Ector, TXCowden North | ActiveInjection | 4,557 | Feb 19, 1987 | — | — |
| North Cowden Unit #1264W42-135-35448 | Occidental Permian Ltd. only | Ector, TXCowden North | ActiveInjection | 4,415 | Feb 19, 1987 | — | — |
| North Cowden Unit #1275W42-135-35451 | Occidental Permian Ltd. only | Ector, TXCowden North | ActiveInjection | 4,440 | Feb 19, 1987 | — | — |
| North Cowden Unit #1268W42-135-35452 | Occidental Permian Ltd. only | Ector, TXCowden North | ActiveInjection | 4,565 | Feb 19, 1987 | — | — |
| North Cowden Unit #1241W42-135-35453 | Occidental Permian Ltd. only | Ector, TXCowden North | PluggedOil | 4,810 | Feb 19, 1987 | — | — |
| North Cowden Unit #1250W42-135-35454 | Occidental Permian Ltd. only | Ector, TXCowden North | PluggedOil | 4,855 | Feb 19, 1987 | — | — |
| North Cowden Unit #1255W42-135-35455 | Occidental Permian Ltd. only | Ector, TXCowden North | PluggedOil | 4,815 | Feb 19, 1987 | — | — |
| North Cowden Unit #1266W42-135-35456 | Occidental Permian Ltd. only | Ector, TXCowden North | ActiveInjection | 4,450 | Feb 19, 1987 | — | — |
| North Cowden Unit #1277W42-135-35457 | Occidental Permian Ltd. only | Ector, TXCowden North | ActiveInjection | 4,515 | Feb 19, 1987 | — | — |
| Midland Farms AU #342-135-31987 | Apache Corporation only | Ector, TXFasken (Penn.) | PluggedOil | 10,430 | Feb 18, 1987 | — | — |
| Rhodes Cowden Unit #461W42-135-35402 | OXY USA WTP LP only | Ector, TXCowden North | ActiveInjection | 4,350 | Feb 18, 1987 | — | — |
| Rhodes Cowden Unit #45942-135-35404 | OXY USA WTP LP only | Ector, TXCowden North | Shut inOil | 4,350 | Feb 18, 1987 | — | — |
| Rhodes Cowden Unit #67442-135-35406 | OXY USA WTP LP only | Ector, TXCowden North | ActiveOil | 4,350 | Feb 18, 1987 | — | — |
| Rhodes Cowden Unit #673W42-135-35407 | OXY USA WTP LP only | Ector, TXCowden North | ActiveInjection | 4,350 | Feb 18, 1987 | — | — |
| Rhodes Cowden Unit #67242-135-35408 | OXY USA WTP LP only | Ector, TXCowden North | PluggedOil | 4,350 | Feb 18, 1987 | — | — |
| North Cowden Unit #125942-135-35417 | Occidental Permian Ltd. only | Ector, TXCowden North | ActiveOil | 4,550 | Feb 18, 1987 | — | — |
| North Cowden Unit #125742-135-35419 | Occidental Permian Ltd. only | Ector, TXCowden North | PluggedOil | 4,900 | Feb 18, 1987 | — | — |
| North Cowden Unit #124442-135-35421 | Occidental Permian Ltd. only | Ector, TXCowden North | ActiveOil | 4,500 | Feb 18, 1987 | — | — |
| North Cowden Unit #124042-135-35422 | Occidental Permian Ltd. only | Ector, TXCowden North | Shut inOil | 4,670 | Feb 18, 1987 | — | — |
| Moss Unit #61742-135-35449 | Aghorn Operating Inc. only | Ector, TXCowden South | PluggedOil | 4,900 | Feb 18, 1987 | — | — |
| Moss Unit #61642-135-35450 | Aghorn Operating Inc. only | Ector, TXCowden South | PluggedOil | 4,900 | Feb 18, 1987 | — | — |
| Midland Farms -AJ- #142-135-07724 | Apache Corporation only | Ector, TXFasken (Penn.) | PluggedOil | 13,228 | Feb 17, 1987 | — | — |
| David Fasken -CF- #142-135-34144 | Fasken Oil and Ranch Ltd. only | Ector, TXFasken (Penn.) | PluggedOil | 10,750 | Feb 17, 1987 | — | — |
| David Fasken -CF- #242-135-34249 | Fasken Oil and Ranch Ltd. only | Ector, TXFasken (Penn.) | PluggedOil | 10,700 | Feb 17, 1987 | — | — |
| North Cowden Unit #1278W42-135-35411 | Occidental Permian Ltd. only | Ector, TXCowden North | ActiveInjection | 4,535 | Feb 17, 1987 | — | — |
| North Cowden Unit #1276W42-135-35414 | Occidental Permian Ltd. only | Ector, TXCowden North | ActiveInjection | 4,500 | Feb 17, 1987 | — | — |
| North Cowden Unit #1274W42-135-35415 | Occidental Permian Ltd. only | Ector, TXCowden North | ActiveInjection | 4,395 | Feb 17, 1987 | — | — |
| North Cowden Unit #1256W42-135-35423 | Occidental Permian Ltd. only | Ector, TXCowden North | ActiveInjection | 4,447 | Feb 17, 1987 | — | — |
| North Cowden Unit #1243W42-135-35424 | Occidental Permian Ltd. only | Ector, TXCowden North | ActiveInjection | 4,660 | Feb 17, 1987 | — | — |
| North Cowden Unit #1254W42-135-35425 | Occidental Permian Ltd. only | Ector, TXCowden North | PluggedOil | 4,780 | Feb 17, 1987 | — | — |
| East Harper Unit #46542-135-35432 | Aghorn Operating Inc. only | Ector, TXHarper | ActiveOil | 4,500 | Feb 17, 1987 | — | — |
| Moss Unit #161542-135-35435 | Aghorn Operating Inc. only | Ector, TXCowden South | PluggedOil | 4,900 | Feb 17, 1987 | — | — |
| Moss Unit #101542-135-35436 | Aghorn Operating Inc. only | Ector, TXCowden South | PluggedOil | 5,000 | Feb 17, 1987 | — | — |
| North Cowden Unit #128342-135-35437 | Occidental Permian Ltd. only | Ector, TXCowden North | PluggedOil | 4,850 | Feb 17, 1987 | — | — |
| North Cowden Unit #128242-135-35438 | Occidental Permian Ltd. only | Ector, TXCowden North | PluggedOil | 4,845 | Feb 17, 1987 | — | — |
| Millard -C- #c 3 T42-135-07254 | Conocophillips Company only | Ector, TXPenwell (Fusselman) | PluggedOil | 7,400 | Feb 13, 1987 | — | — |
| North Cowden Unit #128142-135-35430 | Occidental Permian Ltd. only | Ector, TXCowden North | PluggedOil | 4,805 | Feb 13, 1987 | — | — |
| East Harper Unit #39442-135-35395 | Aghorn Operating Inc. only | Ector, TXHarper | ActiveOil | 4,500 | Feb 12, 1987 | — | — |
| East Harper Unit #39542-135-35396 | Aghorn Operating Inc. only | Ector, TXHarper | ActiveOil | 4,500 | Feb 12, 1987 | — | — |
| East Harper Unit #39642-135-35397 | Aghorn Operating Inc. only | Ector, TXHarper | ActiveOil | 4,505 | Feb 12, 1987 | — | — |
| East Harper Unit #39842-135-35398 | Aghorn Operating Inc. only | Ector, TXHarper | Shut inOil | 4,500 | Feb 12, 1987 | — | — |
| East Harper Unit #39742-135-35399 | Aghorn Operating Inc. only | Ector, TXHarper | ActiveOil | 4,499 | Feb 12, 1987 | — | — |
| East Harper Unit #39942-135-35400 | Aghorn Operating Inc. only | Ector, TXHarper | ActiveOil | 4,500 | Feb 12, 1987 | — | — |