| Sterling W. H. #842-415-32924 | Trek Resources Inc. only | Scurry, TXSharon Ridge (Clear Fork) | Shut inOil | 3,218 | Oct 28, 1987 | — | — |
| Shafter Lake Clearfork Unit #30142-003-07680 | Highmark Energy Operating LLC only | Andrews, TXShafter Lake (Clear Fork) | Shut inOil | 7,073 | Oct 27, 1987 | — | — |
| Wheeler L. C. #342-303-31161 | Texland Petroleum L.P. only | Lubbock, TXEdmisson (Clear Fork) | ActiveInjection | 5,400 | Oct 26, 1987 | — | — |
| State #142-371-36001 | Alleder Inc. only | Pecos, TXBrown & Thorp (Clear Fork) | PluggedOil | 3,500 | Oct 26, 1987 | — | — |
| Ownby (Clear Fork Upper) Unit #1342-501-33280 | Occidental Permian Ltd. only | Yoakum, TXOwnby (Clear Fork Upper) | Shut inOil | 6,888 | Oct 26, 1987 | — | — |
| Foster R. W. -23- #242-431-00095 | D & D Well Service L.L.C. only | Sterling, TXParochial-Bade (Clear Fork) | Shut inOil | 2,376 | Oct 22, 1987 | — | — |
| Ownby (Clear Fork Upper) Unit #9142-501-02335 | Occidental Permian Ltd. only | Yoakum, TXOwnby (Clear Fork Upper) | ActiveInjection | 6,911 | Oct 15, 1987 | — | — |
| Williamson -C- #242-135-35667 | Jay Management Company LLC only | Ector, TXGoldsmith (Clear Fork) | ActiveOil | 5,838 | Oct 14, 1987 | — | — |
| Ropes E. (Clearfork) Unit #2042-219-35163 | New Height Energy LLC only | Hockley, TXRopes E. (Clear Fork) | Shut inOil | 6,300 | Oct 13, 1987 | — | — |
| Ropes E. (Clearfork) Unit #1942-219-35164 | New Height Energy LLC only | Hockley, TXRopes E. (Clear Fork) | ActiveOil | 6,300 | Oct 13, 1987 | — | — |
| Linthicum SWD #142-235-32362 | Lavanco only | Irion, TXIrion 163 (Clear Fork) | PluggedOil | 6,850 | Oct 13, 1987 | — | — |
| Pryor -a- #142-371-32531 | N & O Oil Co. only | Pecos, TXAbell (Permian 2200) | PluggedOil | 4,200 | Oct 13, 1987 | — | — |
| Warhorse (Clearfork Up.) Unit #50542-445-31494 | Extex Operating Company only | Terry, TXWarhorse (Clearfork Up.) | PluggedOil | 6,900 | Oct 8, 1987 | — | — |
| Warhorse (Clearfork Up.) Unit #50642-445-31495 | Extex Operating Company only | Terry, TXWarhorse (Clearfork Up.) | Shut inOil | 6,786 | Oct 8, 1987 | — | — |
| Warhorse (Clearfork Up.) Unit #50742-445-31496 | Extex Operating Company only | Terry, TXWarhorse (Clearfork Up.) | ActiveOil | 6,776 | Oct 8, 1987 | — | — |
| Warhorse (Clearfork,up.) Unit #40842-445-31493 | Texland-Rector & Schumacherpermitted by · no operator of record | Terry, TXWarhorse (Clearfork, Up.) | Not on schedule | 6,900 | Oct 6, 1987 | — | — |
| Warhorse (Clearfork Up.) Unit #701642-445-31497 | Extex Operating Company only | Terry, TXWarhorse (Clearfork Up.) | PluggedOil | 6,900 | Oct 6, 1987 | — | — |
| North Robertson Unit #140442-165-33760 | Bce-Mach III LLC only | Gaines, TXRobertson N. (Clear Fork 7100) | Shut inOil | 7,309 | Oct 1, 1987 | — | — |
| Gunter Myrtle #142-431-00498 | D & D Enterprises only | Sterling, TXParochial-Bade (Clear Fork) | ActiveOil | 2,320 | Sep 29, 1987 | — | — |
| Cobb et al #2142-501-33285 | Occidental Permian Ltd. only | Yoakum, TXPrentice (Clear Fork Lower) | ActiveInjection | 8,350 | Sep 25, 1987 | — | — |
| Cobb et al #2042-501-33286 | Occidental Permian Ltd. only | Yoakum, TXPrentice (Clear Fork Lower) | PluggedOil | 8,600 | Sep 25, 1987 | — | — |
| Clanahan N. C. D #1242-501-33287 | Occidental Permian Ltd. only | Yoakum, TXPrentice (Clear Fork Lower) | PluggedOil | 8,600 | Sep 25, 1987 | — | — |
| Hollingsworth -a- #6W42-371-35994 | Tres Hot Rocks WTX LLC only | Pecos, TXWentz (Clear Fork) | Shut inOil | 3,054 | Sep 22, 1987 | — | — |
| Robertson /Clearfork/ Unit #1113W42-165-33752 | Hilcorp Energy Company only | Gaines, TXRobertson N. (Clear Fork 7100) | ActiveInjection | 7,352 | Sep 18, 1987 | — | — |
| Beasley #1__42-335-33350 | Ralar, Inc.permitted by · no operator of record | Mitchell, TXWestbrook, East (Clear Fork) | Plugged | 3,450 | Sep 18, 1987 | — | — |
| Ownby (Clear Fork Upper) Unit #81042-501-33229 | Occidental Permian Ltd. only | Yoakum, TXOwnby (Clear Fork Upper) | Shut inOil | 6,970 | Sep 18, 1987 | — | — |
| Chalk G. O. -D- #2442-227-34192 | Citation Oil & Gas Corp. only | Howard, TXHoward Glasscock (Consolidated) | ActiveOil | 6,375 | Sep 16, 1987 | — | — |
| Robertson /Clearfork/ Unit #230142-165-33682 | Hilcorp Energy Company only | Gaines, TXRobertson N. (Clear Fork 7100) | Shut inOil | 7,450 | Sep 15, 1987 | — | — |
| Alta-Williamson -a- #142-135-35636 | Jay Management Company LLC only | Ector, TXGoldsmith (Clear Fork) | ActiveOil | 5,860 | Sep 14, 1987 | — | — |
| Robertson /Clearfork/ Unit #70142-165-33751 | Hilcorp Energy Company only | Gaines, TXRobertson N. (Clear Fork 7100) | PluggedOil | 7,200 | Sep 14, 1987 | — | — |
| Sealy Smith Foundation #28142-495-32153 | Occidental Permian Ltd. only | Winkler, TXMonahans (Clear Fork) | Shut inOil | 5,303 | Sep 14, 1987 | — | — |
| Whitley #142-219-35151 | Black Gold Properties only | Hockley, TXRopes E. (Clear Fork) | PluggedOil | 6,300 | Sep 11, 1987 | — | — |
| Sealy Smith Foundation #28242-495-32151 | Occidental Permian Ltd. only | Winkler, TXMonahans (Clear Fork) | Shut inOil | 5,304 | Sep 11, 1987 | — | — |
| Central Robertson Clearfork Unit #112742-165-33744 | Hilcorp Energy Company only | Gaines, TXRobertson N. (Clear Fork 7100) | ActiveOil | 7,250 | Sep 10, 1987 | — | — |
| Central Robertson Clearfork Unit #112642-165-33745 | Hilcorp Energy Company only | Gaines, TXRobertson N. (Clear Fork 7100) | ActiveOil | 7,250 | Sep 10, 1987 | — | — |
| Central Robertson Clearfork Unit #112842-165-33746 | Hilcorp Energy Company only | Gaines, TXRobertson N. (Clear Fork 7100) | ActiveOil | 7,250 | Sep 10, 1987 | — | — |
| Central Robertson Clearfork Unit #112442-165-33747 | Hilcorp Energy Company only | Gaines, TXRobertson N. (Clear Fork 7100) | ActiveOil | 7,250 | Sep 10, 1987 | — | — |
| North Robertson Unit #301142-165-33716 | Bce-Mach III LLC only | Gaines, TXRobertson N. (Clear Fork 7100) | ActiveOil | 7,350 | Sep 8, 1987 | — | — |
| Collier 7 #842-107-30880 | Bridwell Oil Co. only | Crosby, TXHoople (Clear Fork) | ActiveInjection | 4,097 | Sep 4, 1987 | — | — |
| North Robertson Unit #352142-165-33712 | Bce-Mach III LLC only | Gaines, TXRobertson N. (Clear Fork 7100) | ActiveOil | 7,400 | Sep 4, 1987 | — | — |
| North Robertson Unit #352542-165-33713 | Bce-Mach III LLC only | Gaines, TXRobertson N. (Clear Fork 7100) | Shut inOil | 7,350 | Sep 4, 1987 | — | — |
| North Robertson Unit #352342-165-33714 | Bce-Mach III LLC only | Gaines, TXRobertson N. (Clear Fork 7100) | ActiveOil | 7,400 | Sep 4, 1987 | — | — |
| Fielding, C. D. "B" #142-219-35128 | Rogers, S. K. Oil Inc.permitted by · no operator of record | Hockley, TXHamilton (Clearfork) | Not on schedule | 6,600 | Sep 4, 1987 | — | — |
| McCorkle Eula a #142-219-35129 | Rogers S. K. Oil Inc. only | Hockley, TXHamilton (Clearfork) | ActiveOil | 6,550 | Sep 4, 1987 | — | — |
| Warhorse (Clearfork Up.) Unit #40942-445-31487 | Extex Operating Company only | Terry, TXWarhorse (Clearfork Up.) | Shut inOil | 6,812 | Sep 3, 1987 | — | — |
| Goldsmith-Landreth /Deep/ Unit #27542-135-35631 | Occidental Permian Ltd. only | Ector, TXGoldsmith (Clear Fork) | PluggedOil | 6,800 | Sep 1, 1987 | — | — |
| Goldsmith-Landreth /Deep/ Unit #27442-135-35632 | Occidental Permian Ltd. only | Ector, TXGoldsmith (Clear Fork) | Shut inOil | 6,430 | Sep 1, 1987 | — | — |
| E. Broadview (Clearfork UP) Unit #160542-303-31158 | Texland Petroleum L.P. only | Lubbock, TXEdmisson (Clear Fork) | ActiveOil | 5,504 | Sep 1, 1987 | — | — |
| E. Broadview (Clearfork UP) Unit #280542-303-31159 | Texland Petroleum L.P. only | Lubbock, TXEdmisson (Clear Fork) | ActiveOil | 5,616 | Sep 1, 1987 | — | — |
| Warhorse (Clearfork Up.) Unit #701242-445-31484 | Extex Operating Company only | Terry, TXWarhorse (Clearfork Up.) | PluggedOil | 6,900 | Sep 1, 1987 | — | — |