| Warhorse (Clearfork Up.) Unit #701542-445-31488 | Extex Operating Company only | Terry, TXWarhorse (Clearfork Up.) | PluggedOil | 6,900 | Sep 1, 1987 | — | — |
| North Robertson Unit #2701WI42-165-33715 | Bce-Mach III LLC only | Gaines, TXRobertson N. (Clear Fork 7100) | ActiveInjection | 7,350 | Aug 31, 1987 | — | — |
| North Robertson Unit #159142-165-33717 | Bce-Mach III LLC only | Gaines, TXRobertson N. (Clear Fork 7100) | ActiveInjection | 7,325 | Aug 31, 1987 | — | — |
| Warhorse (Clearfork Up.) Unit #701742-445-31489 | Extex Operating Company only | Terry, TXWarhorse (Clearfork Up.) | ActiveOil | 6,810 | Aug 31, 1987 | — | — |
| Gavett Creek #___1__42-033-30221 | Lobo Investments, Inc.permitted by · no operator of record | Borden, TXLucy (Clear Fork) | Plugged | 4,100 | Aug 27, 1987 | — | — |
| Warhorse (Clearfork Up.) Unit #701142-445-31485 | Extex Operating Company only | Terry, TXWarhorse (Clearfork Up.) | PluggedOil | 6,900 | Aug 26, 1987 | — | — |
| Sealy Smith Foundation #29042-475-33810 | Occidental Permian Ltd. only | Ward, TXMonahans (Clear Fork) | Shut inOil | 5,300 | Aug 25, 1987 | — | — |
| Sealy Smith Foundation #29242-475-33811 | Occidental Permian Ltd. only | Ward, TXMonahans (Clear Fork) | Shut inOil | 5,300 | Aug 25, 1987 | — | — |
| Sealy Smith Foundation #29442-475-33813 | Occidental Permian Ltd. only | Ward, TXMonahans (Clear Fork) | Shut inOil | 5,300 | Aug 25, 1987 | — | — |
| Sealy Smith Foundation #29642-475-33814 | Occidental Permian Ltd. only | Ward, TXMonahans (Clear Fork) | Shut inOil | 5,300 | Aug 25, 1987 | — | — |
| Sealy Smith Foundation #29742-475-33815 | Occidental Permian Ltd. only | Ward, TXMonahans (Clear Fork) | Shut inOil | 5,300 | Aug 25, 1987 | — | — |
| Sealy Smith Foundation #29842-475-33816 | Occidental Permian Ltd. only | Ward, TXMonahans (Clear Fork) | Shut inOil | 5,300 | Aug 25, 1987 | — | — |
| Sealy Smith Foundation #29542-475-33817 | Occidental Permian Ltd. only | Ward, TXMonahans (Clear Fork) | PluggedOil | 5,400 | Aug 25, 1987 | — | — |
| Sealy Smith Foundation #28342-495-32147 | Occidental Permian Ltd. only | Winkler, TXMonahans (Clear Fork) | PluggedOil | 5,400 | Aug 25, 1987 | — | — |
| Sealy Smith Foundation #28442-495-32148 | Occidental Permian Ltd. only | Winkler, TXMonahans (Clear Fork) | PluggedOil | 5,400 | Aug 25, 1987 | — | — |
| Syndicate Fee -a- #342-103-32686 | Chisos Operating Inc. only | Crane, TXT. E. Bar (San Andres) | PluggedOil | 3,550 | Aug 19, 1987 | — | — |
| Robertson /Clearfork/ Unit #114342-165-33678 | Hilcorp Energy Company only | Gaines, TXRobertson N. (Clear Fork 7100) | ActiveOil | 7,291 | Aug 19, 1987 | — | — |
| Robertson /Clearfork/ Unit #102142-165-33681 | Hilcorp Energy Company only | Gaines, TXRobertson N. (Clear Fork 7100) | ActiveOil | 7,337 | Aug 19, 1987 | — | — |
| Robertson /Clearfork/ Unit #60142-165-33683 | Hilcorp Energy Company only | Gaines, TXRobertson N. (Clear Fork 7100) | Shut inOil | 7,360 | Aug 19, 1987 | — | — |
| Bryans Farms #142-173-31994 | Endeavor Energy Resources L.P. only | Glasscock, TXIva Lee (Clearfork) | PluggedOil | 6,000 | Aug 19, 1987 | — | — |
| E. Broadview (Clearfork UP) Unit #310342-303-31156 | Texland Petroleum L.P. only | Lubbock, TXEdmisson (Clear Fork) | ActiveOil | 5,607 | Aug 19, 1987 | — | — |
| E. Broadview (Clearfork UP) Unit #330542-303-31157 | Texland Petroleum L.P. only | Lubbock, TXEdmisson (Clear Fork) | ActiveOil | 5,652 | Aug 18, 1987 | — | — |
| Central Robertson Clearfork Unit #112342-165-33685 | Hilcorp Energy Company only | Gaines, TXRobertson N. (Clear Fork 7100) | PluggedOil | 7,200 | Aug 14, 1987 | — | — |
| Central Robertson Clearfork Unit #112542-165-33686 | Hilcorp Energy Company only | Gaines, TXRobertson N. (Clear Fork 7100) | ActiveOil | 7,250 | Aug 14, 1987 | — | — |
| Wasson North Clearfork Unit #11342-501-33266 | Occidental Permian Ltd. only | Yoakum, TXWasson NE. (Clear Fork) | Shut inOil | 8,300 | Aug 14, 1987 | — | — |
| Wasson North Clearfork Unit #11642-501-33267 | Occidental Permian Ltd. only | Yoakum, TXWasson NE. (Clear Fork) | ActiveOil | 6,906 | Aug 14, 1987 | — | — |
| Wasson North Clearfork Unit #11742-501-33268 | Occidental Permian Ltd. only | Yoakum, TXWasson NE. (Clear Fork) | PluggedOil | 8,500 | Aug 14, 1987 | — | — |
| Robertson /Clearfork/ Unit #108042-165-33679 | Hilcorp Energy Company only | Gaines, TXRobertson N. (Clear Fork 7100) | PluggedOil | 7,200 | Aug 13, 1987 | — | — |
| Dollarhide Unit #3540C42-003-35880 | Scout Energy Management LLC only | Andrews, TXDollarhide (Clear Fork) | Shut inOil | 7,750 | Aug 12, 1987 | — | — |
| Dollarhide Unit #3239C42-003-35885 | Scout Energy Management LLC only | Andrews, TXDollarhide (Clear Fork) | ActiveOil | 7,671 | Aug 12, 1987 | — | — |
| Dollarhide Unit #3441 C42-003-35886 | Scout Energy Management LLC only | Andrews, TXDollarhide (Clear Fork) | ActiveOil | 7,785 | Aug 12, 1987 | — | — |
| Cowden B #242-135-00275 | Andector Exploration Company only | Ector, TXGoldsmith N. (San Andres Con.) | Shut inOil | 6,538 | Aug 12, 1987 | — | — |
| Wasson North Clearfork Unit #10942-501-33262 | Occidental Permian Ltd. only | Yoakum, TXWasson NE. (Clear Fork) | PluggedOil | 8,500 | Aug 10, 1987 | — | — |
| Wasson North Clearfork Unit #10642-501-33263 | Occidental Permian Ltd. only | Yoakum, TXWasson NE. (Clear Fork) | PluggedOil | 8,500 | Aug 10, 1987 | — | — |
| Wasson North Clearfork Unit #10542-501-33264 | Occidental Permian Ltd. only | Yoakum, TXWasson NE. (Clear Fork) | PluggedOil | 8,500 | Aug 10, 1987 | — | — |
| Dollarhide Unit #3542C42-003-35878 | Scout Energy Management LLC only | Andrews, TXDollarhide (Clear Fork) | Shut inOil | 7,620 | Aug 7, 1987 | — | — |
| McDonald -12- #342-105-35417 | Scout Energy Management LLC only | Crockett, TXHelbing (Clearfork) | ActiveGas | 2,990 | Aug 7, 1987 | — | — |
| Wasson North Clearfork Unit #11542-501-33259 | Occidental Permian Ltd. only | Yoakum, TXWasson NE. (Clear Fork) | PluggedOil | 8,500 | Aug 7, 1987 | — | — |
| Wasson North Clearfork Unit #11442-501-33260 | Occidental Permian Ltd. only | Yoakum, TXWasson NE. (Clear Fork) | Shut inOil | 7,408 | Aug 7, 1987 | — | — |
| City of Lubbock Unit #470342-303-31155 | Texland Petroleum L.P. only | Lubbock, TXEdmisson (Clear Fork) | ActiveInjection | 5,282 | Aug 6, 1987 | — | — |
| Ownby (Clear Fork Upper) Unit #21042-501-33261 | Occidental Permian Ltd. only | Yoakum, TXOwnby (Clear Fork Upper) | Shut inOil | 6,890 | Aug 6, 1987 | — | — |
| Sealy Smith Foundation #28942-475-33798 | Occidental Permian Ltd. only | Ward, TXMonahans (Clear Fork) | PluggedOil | 5,400 | Aug 5, 1987 | — | — |
| Sealy Smith Foundation #28642-495-32134 | Occidental Permian Ltd. only | Winkler, TXMonahans (Clear Fork) | Shut inOil | 5,300 | Aug 5, 1987 | — | — |
| Sealy Smith Foundation #28742-495-32135 | Occidental Permian Ltd. only | Winkler, TXMonahans (Clear Fork) | Shut inOil | 5,300 | Aug 5, 1987 | — | — |
| Sealy Smith Foundation #28842-495-32136 | Occidental Permian Ltd. only | Winkler, TXMonahans (Clear Fork) | PluggedOil | 5,400 | Aug 5, 1987 | — | — |
| North Robertson Unit #352742-165-33668 | Bce-Mach III LLC only | Gaines, TXRobertson N. (Clear Fork 7100) | ActiveOil | 7,400 | Jul 31, 1987 | — | — |
| North Robertson Unit #339142-165-33670 | Bce-Mach III LLC only | Gaines, TXRobertson N. (Clear Fork 7100) | ActiveInjection | 7,325 | Jul 31, 1987 | — | — |
| North Robertson Unit #149142-165-33671 | Bce-Mach III LLC only | Gaines, TXRobertson N. (Clear Fork 7100) | Shut inOil | 7,310 | Jul 31, 1987 | — | — |
| North Robertson Unit #149242-165-33672 | Bce-Mach III LLC only | Gaines, TXRobertson N. (Clear Fork 7100) | ActiveInjection | 7,310 | Jul 31, 1987 | — | — |
| North Robertson Unit #329442-165-33673 | Bce-Mach III LLC only | Gaines, TXRobertson N. (Clear Fork 7100) | ActiveInjection | 7,325 | Jul 31, 1987 | — | — |