| Lovett-Sinclair #642-495-32797 | Basin Oil & Gas Operating LLC | Winkler, TXKeystone (Consolidated) | Shut inOil | 5,550 | May 22, 2000 | — | — |
| Baird W. E. #1957W42-495-32793 | Basin Oil & Gas Operating LLC | Winkler, TXKeystone (Consolidated) | ActiveInjection | 5,595 | May 4, 2000 | — | — |
| Cooper Estate #1A42-475-34635 | Basin Oil & Gas Operating LLC | Ward, TXCaveat Emptor (Cherry Canyon) | ActiveOil | 6,250 | Apr 11, 2000 | — | — |
| Suntura (Lower Clear Fork) Unit #40142-445-31911 | Basin Oil & Gas Operating LLC | Terry, TXSuntura (Lower Clear Fork) | ActiveOil | 8,223 | Mar 22, 2000 | — | — |
| Suntura (Lower Clear Fork) Unit #30142-445-31912 | Basin Oil & Gas Operating LLC | Terry, TXSuntura (Lower Clear Fork) | ActiveOil | 8,100 | Mar 22, 2000 | — | — |
| Suntura (Lower Clear Fork) Unit #50242-445-31904 | Basin Oil & Gas Operating LLC | Terry, TXSuntura (Lower Clear Fork) | ActiveOil | 8,100 | Feb 14, 2000 | — | — |
| Keystone State #18742-495-01243 | Basin Oil & Gas Operating LLC | Winkler, TXKermit (McKee) | Shut inOil | 10,655 | Feb 11, 2000 | — | — |
| Tunis Creek Univ. Lands Unit #30842-371-36962 | Basin Oil & Gas Operating LLC | Pecos, TXTunis Creek(devonian) | ActiveOil | 6,960 | Feb 3, 2000 | — | — |
| Johnson J. L. -31- #2442-135-35657 | Basin Oil & Gas Operating LLC | Ector, TXFoster | PluggedOil | 9,100 | Jan 28, 2000 | — | — |
| Jacobson #3742-445-31895 | Basin Oil & Gas Operating LLC | Terry, TXKingdom (Abo Reef) | ActiveOil | 8,500 | Jan 5, 2000 | — | — |
| Jacobson #3642-445-31893 | Basin Oil & Gas Operating LLC | Terry, TXKingdom (Abo Reef) | ActiveOil | 8,100 | Jan 3, 2000 | — | — |
| Halley S. #1342-495-32692 | Basin Oil & Gas Operating LLC | Winkler, TXEmperor (Simpson) | ActiveGas | 11,400 | Dec 6, 1999 | — | — |
| Suntura (Lower Clear Fork) Unit #50142-445-31884 | Basin Oil & Gas Operating LLC | Terry, TXSuntura (Lower Clear Fork) | ActiveOil | 8,004 | Sep 29, 1999 | — | — |
| Cooper Estate #2A42-475-34612 | Basin Oil & Gas Operating LLC | Ward, TXCaveat Emptor (Cherry Canyon) | ActiveOil | 6,200 | Sep 16, 1999 | — | — |
| Cooper Estate #4A42-475-34613 | Basin Oil & Gas Operating LLC | Ward, TXCaveat Emptor (Cherry Canyon) | ActiveOil | 6,170 | Sep 16, 1999 | — | — |
| Keystone Holt Unit #935342-495-32760 | Basin Oil & Gas Operating LLC | Winkler, TXKeystone (Consolidated) | ActiveOil | 4,976 | Jun 24, 1999 | — | — |
| Keystone Holt Unit #935842-495-32756 | Basin Oil & Gas Operating LLC | Winkler, TXKeystone (Consolidated) | ActiveOil | 5,065 | Jun 17, 1999 | — | — |
| Keystone Holt Unit #935242-495-32758 | Basin Oil & Gas Operating LLC | Winkler, TXKeystone (Consolidated) | ActiveOil | 5,145 | Jun 17, 1999 | — | — |
| Keystone Holt Unit #935742-495-32755 | Basin Oil & Gas Operating LLC | Winkler, TXKeystone (Consolidated) | Shut inOil | 4,900 | Jun 16, 1999 | — | — |
| Keystone Holt Unit #935542-495-32757 | Basin Oil & Gas Operating LLC | Winkler, TXKeystone (Consolidated) | Shut inOil | 5,005 | Jun 16, 1999 | — | — |
| Keystone Holt Unit #935442-495-32753 | Basin Oil & Gas Operating LLC | Winkler, TXKeystone (Consolidated) | ActiveOil | 5,093 | Jun 11, 1999 | — | — |
| Keystone Holt Unit #935142-495-32754 | Basin Oil & Gas Operating LLC | Winkler, TXKeystone (Consolidated) | Shut inOil | 5,120 | Jun 11, 1999 | — | — |
| Keystone Holt Unit #9350W42-495-32742 | Basin Oil & Gas Operating LLC | Winkler, TXKeystone (Consolidated) | ActiveInjection | 5,021 | Dec 31, 1998 | — | — |
| Keystone Holt Unit #662HZ42-495-03938 | Basin Oil & Gas Operating LLC | Winkler, TXKeystone (Consolidated) | Temporarily abandonedGas | 10,333 | Nov 30, 1998 | — | — |
| Casselman #242-475-34582 | Basin Oil & Gas Operating LLC | Ward, TXCaveat Emptor (Cherry Canyon) | PluggedOil | 6,500 | Oct 14, 1998 | — | — |
| Lovett H. E. #242-495-05165 | Basin Oil & Gas Operating LLC | Winkler, TXKermit (McKee) | Temporarily abandonedGas | 10,642 | Aug 26, 1998 | — | — |
| Baird W. E. #1874C42-495-32705 | Basin Oil & Gas Operating LLC | Winkler, TXKeystone (Consolidated) | ActiveOil | 5,599 | Jun 15, 1998 | — | — |
| Vest Ranch a #2042-495-32726 | Basin Oil & Gas Operating LLC | Winkler, TXArenoso (Strawn Detritus) | Shut inOil | 8,750 | May 28, 1998 | — | — |
| Cooper Estate #3A42-475-34563 | Basin Oil & Gas Operating LLC | Ward, TXCaveat Emptor (Cherry Canyon) | PluggedOil | 6,500 | Apr 17, 1998 | — | — |
| Keystone Holt Unit #640HHZ42-495-03916 | Basin Oil & Gas Operating LLC | Winkler, TXKeystone (Consolidated) | Shut inOil | 4,726 | Nov 26, 1997 | — | — |
| Johnson J. L. -31- #15R42-135-37583 | Basin Oil & Gas Operating LLC | Ector, TXFoster | ActiveOil | 4,500 | Nov 12, 1997 | — | — |
| Casselman #142-475-34515 | Basin Oil & Gas Operating LLC | Ward, TXCaveat Emptor (Cherry Canyon) | ActiveOil | 6,250 | Oct 1, 1997 | — | — |
| Halley S. M. -B- #2342-495-05394 | Basin Oil & Gas Operating LLC | Winkler, TXEmperor (Wolfcamp Upper) | Shut inOil | 11,325 | Sep 11, 1997 | — | — |
| Hill #2A42-475-34463 | Basin Oil & Gas Operating LLC | Ward, TXCaveat Emptor (Cherry Canyon) | ActiveOil | 6,400 | Mar 14, 1997 | — | — |
| Hill #1A42-475-34428 | Basin Oil & Gas Operating LLC | Ward, TXCaveat Emptor (Cherry Canyon) | PluggedOil | 6,500 | Nov 22, 1996 | — | — |
| Halley S. M. -B- #4142-495-32561 | Basin Oil & Gas Operating LLC | Winkler, TXEmperor (Devonian) | ActiveGas | 9,090 | Jul 17, 1996 | — | — |
| University 46 #342-495-32547 | Basin Oil & Gas Operating LLC | Winkler, TXWar-Wink (Cherry Canyon) | PluggedOil | 7,200 | Jun 3, 1996 | — | — |
| Baird W. E. #132442-495-05137 | Basin Oil & Gas Operating LLC | Winkler, TXKeystone (Colby) | PluggedOil | 3,278 | May 31, 1996 | — | — |
| Baird W. E. #1370W42-495-31110 | Basin Oil & Gas Operating LLC | Winkler, TXKeystone (Colby) | ActiveInjection | 5,450 | Nov 6, 1995 | — | — |
| Sealy & Smith Unit #1142-495-04472 | Basin Oil & Gas Operating LLC | Winkler, TXHalley (Clear Fork) | ActiveOil | 10,056 | Aug 10, 1995 | — | — |
| Baird W. E. #191142-495-05110 | Basin Oil & Gas Operating LLC | Winkler, TXKeystone (Colby) | Shut inOil | 10,659 | May 30, 1995 | — | — |
| University 46 #142-495-32474 | Basin Oil & Gas Operating LLC | Winkler, TXWar-Wink (Cherry Canyon) | PluggedOil | 7,200 | Apr 7, 1995 | — | — |
| Keystone Holt Unit #934942-495-32457 | Basin Oil & Gas Operating LLC | Winkler, TXKeystone (Consolidated) | Shut inOil | 4,790 | Aug 31, 1994 | — | — |
| South Keystone /Ellen/ Unit #1064R42-495-01144 | Basin Oil & Gas Operating LLC | Winkler, TXKeystone (Ellenburger) | PluggedOil | 10,062 | Dec 9, 1993 | — | — |
| Keystone Holt Unit #934542-495-32435 | Basin Oil & Gas Operating LLC | Winkler, TXKeystone (Consolidated) | ActiveOil | 4,750 | Oct 21, 1993 | — | — |
| South Keystone /Ellen/ Unit #3004R42-495-04292 | Basin Oil & Gas Operating LLC | Winkler, TXKeystone (Ellenburger) | Temporarily abandonedGas | 10,219 | Oct 4, 1993 | — | — |
| Reo (JO-Mill) Unit #350842-033-31572 | Basin Oil & Gas Operating LLC | Borden, TXReo (JO Mill Lower) | Shut inOil | 7,500 | Aug 9, 1993 | — | — |
| Keystone Holt Unit #934642-495-32427 | Basin Oil & Gas Operating LLC | Winkler, TXKeystone (Consolidated) | ActiveOil | 4,770 | Jun 1, 1993 | — | — |
| Lavender #142-495-03445 | Basin Oil & Gas Operating LLC | Winkler, TXKeystone (Dev-McKee Cons) | ActiveOil | 10,074 | May 20, 1993 | — | — |
| Cowden 39 Unit #390542-495-32390 | Basin Oil & Gas Operating LLC | Winkler, TXKermit | PluggedOil | 3,150 | Oct 7, 1991 | — | — |