| Texas Power & Light Company #242-213-30805 | United Oil & Shale LLC | Henderson, TXTrinidad S. E. (Travis Peak) | Temporarily abandonedGas | 8,012 | Jul 28, 2000 | — | — |
| Arnold #142-213-30803 | United Oil & Shale LLC | Henderson, TXTrinidad S. E. (Travis Peak) | Temporarily abandonedGas | 8,012 | Jul 14, 2000 | — | — |
| Spi-SWD #142-213-30798 | United Oil & Shale LLC | Henderson, TXTrinidad S. E. (Travis Peak) | Temporarily abandonedGas | 4,500 | Mar 28, 2000 | — | — |
| Hoover #401842-211-32330 | United Oil & Shale LLC | Hemphill, TXHemphill (Douglas) | Temporarily abandonedGas | 8,120 | Dec 30, 1998 | — | — |
| Martin Trust C #308142-393-31426 | United Oil & Shale LLC | Roberts, TXClark Martin (Granite Wash) | Temporarily abandonedGas | 9,850 | Nov 3, 1998 | — | — |
| Jones W.S. & E.C. Estate #442-211-32307 | United Oil & Shale LLC | Hemphill, TXHiggins South (Morrow) | Temporarily abandonedGas | 12,350 | Sep 1, 1998 | — | — |
| Alexander a #242-195-31375 | United Oil & Shale LLC | Hansford, TXBrillhart S. (Oswego) | Temporarily abandonedGas | 8,750 | Jul 20, 1998 | — | — |
| Sandra #142-211-32304 | United Oil & Shale LLC | Hemphill, TXHemphill Southeast (Douglas) | Temporarily abandonedGas | 8,320 | Jul 1, 1998 | — | — |
| King #642-295-32435 | United Oil & Shale LLC | Lipscomb, TXBradford (Tonkawa) | ActiveOil | 6,700 | May 5, 1998 | — | — |
| King #542-295-32407 | United Oil & Shale LLC | Lipscomb, TXBradford (Tonkawa) | Shut inOil | 6,800 | Nov 6, 1997 | — | — |
| Snyder -B- #17W42-227-35262 | United Oil & Shale LLC | Howard, TXSnyder | Shut inOil | 3,500 | Oct 17, 1997 | — | — |
| Snyder -B- #20W42-227-35263 | United Oil & Shale LLC | Howard, TXSnyder | PluggedOil | 3,500 | Oct 17, 1997 | — | — |
| Snyder -B- #21W42-227-35264 | United Oil & Shale LLC | Howard, TXSnyder | ActiveInjection | 3,500 | Oct 17, 1997 | — | — |
| Hoover #301842-211-32231 | United Oil & Shale LLC | Hemphill, TXHemphill (Douglas) | Temporarily abandonedGas | 8,140 | May 22, 1997 | — | — |
| Rex #342-195-31305 | United Oil & Shale LLC | Hansford, TXPan Petro (Cleveland) | Temporarily abandonedGas | 6,800 | Apr 23, 1997 | — | — |
| Fisher Estate #342-211-32201 | United Oil & Shale LLC | Hemphill, TXHemphill (Douglas) | Temporarily abandonedGas | 8,100 | Jan 24, 1997 | — | — |
| Hoover #101842-211-32156 | United Oil & Shale LLC | Hemphill, TXHemphill (Douglas) | Temporarily abandonedGas | 8,094 | Apr 12, 1996 | — | — |
| Holland R. H. #364942-357-32104 | United Oil & Shale LLC | Ochiltree, TXNorthrup (Cleveland) | Temporarily abandonedGas | 7,600 | Sep 8, 1995 | — | — |
| Snyder -B- #6342-227-34918 | United Oil & Shale LLC | Howard, TXSnyder | Shut inOil | 3,559 | Apr 25, 1995 | — | — |
| Snyder -B- #6242-227-34919 | United Oil & Shale LLC | Howard, TXSnyder | ActiveOil | 3,550 | Apr 25, 1995 | — | — |
| Coffee Estate #242-393-30607 | United Oil & Shale LLC | Roberts, TXShreikey (Granite Wash) | Temporarily abandonedGas | 11,027 | Oct 26, 1994 | — | — |
| Macias #102442-211-32075 | United Oil & Shale LLC | Hemphill, TXHemphill (Douglas) | Temporarily abandonedGas | 8,000 | Jun 15, 1994 | — | — |
| Daugherty B. #3842-495-01073 | United Oil & Shale LLC | Winkler, TXKermit | PluggedOil | 3,313 | Nov 19, 1993 | — | — |
| Wight Unit #16142-135-36737 | United Oil & Shale LLC | Ector, TXCowden North | PluggedOil | 4,800 | Jul 28, 1993 | — | — |
| Wight Unit #16242-135-36738 | United Oil & Shale LLC | Ector, TXCowden North | ActiveOil | 4,500 | Jul 28, 1993 | — | — |
| Wight Unit #16342-135-36739 | United Oil & Shale LLC | Ector, TXCowden North | PluggedOil | 4,800 | Jul 28, 1993 | — | — |
| Wight Unit #15842-135-36711 | United Oil & Shale LLC | Ector, TXCowden North | ActiveOil | 4,500 | Mar 4, 1993 | — | — |
| Wight Unit #15442-135-36680 | United Oil & Shale LLC | Ector, TXCowden North | Shut inOil | 4,600 | Jan 6, 1993 | — | — |
| Wight Unit #15342-135-36679 | United Oil & Shale LLC | Ector, TXCowden North | Shut inOil | 4,605 | Dec 29, 1992 | — | — |
| Martin Trust B3072 #307242-393-31112 | United Oil & Shale LLC | Roberts, TXClark Martin (Granite Wash) | Temporarily abandonedGas | 10,000 | Aug 12, 1992 | — | — |
| Bradford Lydia -a- #342-295-31993 | United Oil & Shale LLC | Lipscomb, TXBradford (Cleveland) | Temporarily abandonedGas | 7,700 | Jul 28, 1992 | — | — |
| Wight Unit #15742-135-36602 | United Oil & Shale LLC | Ector, TXCowden North | Shut inOil | 4,500 | Feb 13, 1992 | — | — |
| Wight Unit #15542-135-36604 | United Oil & Shale LLC | Ector, TXCowden North | ActiveOil | 4,600 | Feb 13, 1992 | — | — |
| Wight Unit #15942-135-36601 | United Oil & Shale LLC | Ector, TXCowden North | Shut inOil | 4,500 | Feb 12, 1992 | — | — |
| Wight Unit #15642-135-36565 | United Oil & Shale LLC | Ector, TXCowden North | Shut inOil | 4,600 | Jan 10, 1992 | — | — |
| Wight Unit #15242-135-36566 | United Oil & Shale LLC | Ector, TXCowden North | Shut inOil | 4,624 | Jan 10, 1992 | — | — |
| Wight Unit #15142-135-36568 | United Oil & Shale LLC | Ector, TXCowden North | Shut inOil | 4,614 | Jan 10, 1992 | — | — |
| Snyder -E- #4242-227-34565 | United Oil & Shale LLC | Howard, TXSnyder | Shut inOil | 7,300 | Oct 15, 1991 | — | — |
| Wight Unit #148W42-135-36414 | United Oil & Shale LLC | Ector, TXCowden North | PluggedOil | 5,000 | Mar 19, 1991 | — | — |
| Wight Unit #14742-135-36415 | United Oil & Shale LLC | Ector, TXCowden North | Shut inOil | 4,600 | Mar 19, 1991 | — | — |
| Wight Unit #150W42-135-36416 | United Oil & Shale LLC | Ector, TXCowden North | Shut inOil | 4,605 | Mar 19, 1991 | — | — |
| Wight Unit #14942-135-36417 | United Oil & Shale LLC | Ector, TXCowden North | PluggedOil | 5,000 | Mar 19, 1991 | — | — |
| Daugherty -B- #65X42-495-32355 | United Oil & Shale LLC | Winkler, TXKermit (Yates) | ActiveOil | 3,000 | Dec 11, 1990 | — | — |
| Dodge #50W42-227-34571 | United Oil & Shale LLC | Howard, TXIatan East Howard | Shut inOil | 3,565 | Jun 25, 1990 | — | — |
| Dodge #49W42-227-34572 | United Oil & Shale LLC | Howard, TXIatan East Howard | Shut inOil | 3,802 | Jun 25, 1990 | — | — |
| Dodge #48W42-227-34573 | United Oil & Shale LLC | Howard, TXIatan East Howard | Shut inOil | 3,574 | Jun 25, 1990 | — | — |
| Dodge #47W42-227-34574 | United Oil & Shale LLC | Howard, TXIatan East Howard | Shut inOil | 3,568 | Jun 25, 1990 | — | — |
| Dodge #46W42-227-34575 | United Oil & Shale LLC | Howard, TXIatan East Howard | PluggedOil | 3,400 | Jun 25, 1990 | — | — |
| Dodge #45W42-227-34576 | United Oil & Shale LLC | Howard, TXIatan East Howard | Shut inOil | 3,550 | Jun 25, 1990 | — | — |
| Fulton-Sell #442-295-31884 | United Oil & Shale LLC | Lipscomb, TXLipscomb (Cleveland) | Temporarily abandonedGas | 8,900 | Mar 20, 1990 | — | — |