| Mitchell G. P. -B- #4 L42-495-03370 | Basin Oil & Gas Operating LLC | Winkler, TXHalley (Montoya) | Shut inOil | 10,380 | Sep 10, 1991 | — | — |
| Mitchell G. P. -B- #1542-495-31605 | Basin Oil & Gas Operating LLC | Winkler, TXHalley (Clear Fork) | ActiveOil | 5,374 | Sep 5, 1991 | — | — |
| Campbell Grant #442-495-32371 | Basin Oil & Gas Operating LLC | Winkler, TXKeystone (Consolidated) | Shut inOil | 5,520 | May 28, 1991 | — | — |
| Hill M. J. -23- #2742-495-30266 | Basin Oil & Gas Operating LLC | Winkler, TXHalley South (Queen Sand) | PluggedOil | 5,450 | May 17, 1991 | — | — |
| Sealy & Smith Unit #2042-495-31931 | Basin Oil & Gas Operating LLC | Winkler, TXHalley (Clear Fork) | ActiveOil | 5,700 | Apr 4, 1991 | — | — |
| Baird W. E. #182442-495-05120 | Basin Oil & Gas Operating LLC | Winkler, TXKeystone (Consolidated) | ActiveOil | 5,500 | Jan 18, 1991 | — | — |
| Reo (JO-Mill) Unit #w 1SW42-033-31476 | Basin Oil & Gas Operating LLC | Borden, TXReo (JO Mill Lower) | ActiveWater Supply | 1,121 | Oct 4, 1990 | — | — |
| Reo (JO-Mill) Unit #w 2SW42-033-31477 | Basin Oil & Gas Operating LLC | Borden, TXReo (JO Mill Lower) | ActiveWater Supply | 1,127 | Oct 4, 1990 | — | — |
| Cowden 39 Unit #3907C42-495-00056 | Basin Oil & Gas Operating LLC | Winkler, TXKermit | PluggedOil | 3,020 | Oct 4, 1990 | — | — |
| Vest B #142-495-30425 | Basin Oil & Gas Operating LLC | Winkler, TXKermit (Yates) | ActiveGas | 3,200 | Aug 10, 1990 | — | — |
| Underwood #342-495-32306 | Basin Oil & Gas Operating LLC | Winkler, TXKeystone (Colby) | Shut inOil | 3,660 | Jan 2, 1990 | — | — |
| Halley S. M. -B- #40W42-495-32289 | Basin Oil & Gas Operating LLC | Winkler, TXEmperor (Holt) | PluggedOil | 5,000 | Oct 17, 1989 | — | — |
| Baird W. E. #181342-495-05123 | Basin Oil & Gas Operating LLC | Winkler, TXKeystone (Colby) | PluggedOil | 3,286 | Aug 21, 1989 | — | — |
| Underwood #242-495-05891 | Basin Oil & Gas Operating LLC | Winkler, TXKeystone (Colby) | ActiveOil | 3,420 | Jul 12, 1989 | — | — |
| Halley S. M. -B- #39HHZ42-495-32263 | Basin Oil & Gas Operating LLC | Winkler, TXEmperor East (Clear Fork Lo.) | ActiveOil | 8,245 | May 22, 1989 | — | — |
| Underwood #142-495-32221 | Basin Oil & Gas Operating LLC | Winkler, TXKeystone (Colby) | ActiveOil | 3,470 | Nov 10, 1988 | — | — |
| Hill M. J. #542-495-05420 | Basin Oil & Gas Operating LLC | Winkler, TXHalley | PluggedOil | 3,316 | Aug 18, 1987 | — | — |
| Hill M. J. -22- #642-495-05421 | Basin Oil & Gas Operating LLC | Winkler, TXHalley South (Queen Sand) | Shut inOil | 11,661 | Aug 18, 1987 | — | — |
| Halley S. M. -B- #28WS42-495-10399 | Basin Oil & Gas Operating LLC | Winkler, TXEmperor (Holt) | PluggedOil | 4,000 | Apr 8, 1987 | — | — |
| Halley S. M. -B- #35W42-495-32082 | Basin Oil & Gas Operating LLC | Winkler, TXEmperor (Holt) | PluggedOil | 5,000 | Nov 4, 1986 | — | — |
| Halley S. M. -B- #36W42-495-32083 | Basin Oil & Gas Operating LLC | Winkler, TXEmperor (Holt) | ActiveInjection | 4,900 | Nov 4, 1986 | — | — |
| Halley S. M. -B- #3742-495-32084 | Basin Oil & Gas Operating LLC | Winkler, TXEmperor (Holt) | PluggedOil | 5,000 | Nov 4, 1986 | — | — |
| Halley S. M. -B- #38W42-495-32085 | Basin Oil & Gas Operating LLC | Winkler, TXEmperor (Holt) | ActiveInjection | 4,912 | Nov 4, 1986 | — | — |
| Lawrence -B- #142-355-06034 | Basin Oil & Gas Operating LLC | Nueces, TXSaxet | ActiveInjection | 5,453 | Oct 22, 1986 | — | — |
| Tunis Creek Univ. Lands Unit #10742-371-35838 | Basin Oil & Gas Operating LLC | Pecos, TXTunis Creek(devonian) | ActiveInjection | 7,300 | Apr 25, 1986 | — | — |
| Sealy & Smith Unit #842-495-04470 | Basin Oil & Gas Operating LLC | Winkler, TXHalley South (Queen Sand) | PluggedOil | 5,500 | Apr 14, 1986 | — | — |
| Sealy & Smith Unit #442-495-04468 | Basin Oil & Gas Operating LLC | Winkler, TXHalley South (Queen Sand) | PluggedOil | 5,500 | Jan 21, 1986 | — | — |
| Sealy & Smith Unit #1742-495-05188 | Basin Oil & Gas Operating LLC | Winkler, TXHalley South (Queen Sand) | PluggedOil | 5,100 | Jan 21, 1986 | — | — |
| Keystone Cattle Company #37342-495-31926 | Basin Oil & Gas Operating LLC | Winkler, TXKeystone SW. (San Andres) | Shut inOil | 6,250 | Dec 31, 1985 | — | — |
| Johnson J.L. -31- #2342-135-35180 | Basin Oil & Gas Operating LLC | Ector, TXCowden South (Canyon 8790) | ActiveOil | 9,100 | Nov 19, 1985 | — | — |
| Sealy & Smith Unit #27WS42-495-32013 | Basin Oil & Gas Operating LLC | Winkler, TXHalley South (Queen Sand) | PluggedOil | 1,300 | Nov 1, 1985 | — | — |
| Sealy & Smith Unit #25W42-495-31996 | Basin Oil & Gas Operating LLC | Winkler, TXHalley South (Queen Sand) | PluggedOil | 3,500 | Oct 23, 1985 | — | — |
| Sealy & Smith Unit #23W42-495-31997 | Basin Oil & Gas Operating LLC | Winkler, TXHalley South (Queen Sand) | PluggedOil | 3,500 | Oct 23, 1985 | — | — |
| Sealy & Smith Unit #24W42-495-31998 | Basin Oil & Gas Operating LLC | Winkler, TXHalley South (Queen Sand) | PluggedOil | 3,500 | Oct 23, 1985 | — | — |
| Sealy & Smith Unit #26W42-495-31999 | Basin Oil & Gas Operating LLC | Winkler, TXHalley South (Queen Sand) | ActiveInjection | 3,400 | Oct 23, 1985 | — | — |
| Sealy & Smith Unit #22W42-495-32000 | Basin Oil & Gas Operating LLC | Winkler, TXHalley South (Queen Sand) | ActiveInjection | 3,425 | Oct 23, 1985 | — | — |
| Sealy & Smith Unit #21W42-495-32001 | Basin Oil & Gas Operating LLC | Winkler, TXHalley South (Queen Sand) | PluggedOil | 3,500 | Oct 23, 1985 | — | — |
| Tunis Creek Univ. Lands Unit #30742-371-35105 | Basin Oil & Gas Operating LLC | Pecos, TXTunis Creek(devonian) | Shut inOil | 7,106 | Aug 13, 1985 | — | — |
| State of Texas 17 #1742-475-33649 | Basin Oil & Gas Operating LLC | Ward, TXBeall East (Montoya) | ActiveGas | 15,350 | Jul 1, 1985 | — | — |
| Keystone Cattle Company #37542-495-31951 | Basin Oil & Gas Operating LLC | Winkler, TXKeystone SW. (San Andres) | Shut inOil | 4,560 | Jun 11, 1985 | — | — |
| University -2003- #142-371-34625 | Basin Oil & Gas Operating LLC | Pecos, TXRenaud & Tunstill (Ellen.) | ActiveWater Supply | 7,040 | May 20, 1985 | — | — |
| Hendrick -F- #1442-495-31929 | Basin Oil & Gas Operating LLC | Winkler, TXHendrick | ActiveInjection | 2,700 | Apr 29, 1985 | — | — |
| Keystone Cattle Company #37442-495-31927 | Basin Oil & Gas Operating LLC | Winkler, TXKeystone SW. (San Andres) | PluggedOil | 4,850 | Apr 24, 1985 | — | — |
| Keystone Cattle Company #37042-495-31902 | Basin Oil & Gas Operating LLC | Winkler, TXKeystone SW. (San Andres) | PluggedOil | 4,850 | Feb 22, 1985 | — | — |
| Keystone Cattle Company #37142-495-31903 | Basin Oil & Gas Operating LLC | Winkler, TXKeystone SW. (San Andres) | PluggedOil | 4,850 | Feb 22, 1985 | — | — |
| Keystone Cattle Company #36942-495-31904 | Basin Oil & Gas Operating LLC | Winkler, TXKeystone SW. (San Andres) | PluggedOil | 4,850 | Feb 22, 1985 | — | — |
| Keystone Cattle Company #36842-495-31905 | Basin Oil & Gas Operating LLC | Winkler, TXKeystone SW. (San Andres) | Shut inOil | 4,550 | Feb 21, 1985 | — | — |
| Keystone Cattle Company #36742-495-31878 | Basin Oil & Gas Operating LLC | Winkler, TXKeystone SW. (San Andres) | Shut inOil | 4,500 | Jan 21, 1985 | — | — |
| Keystone Cattle Company #36642-495-31879 | Basin Oil & Gas Operating LLC | Winkler, TXKeystone SW. (San Andres) | Shut inOil | 4,500 | Jan 21, 1985 | — | — |
| Mitchell G. P. -B- #142-495-05250 | Basin Oil & Gas Operating LLC | Winkler, TXHalley South (Queen Sand) | PluggedOil | 3,250 | Nov 26, 1984 | — | — |