| Fitzsimmons Hugh a #241642-127-33152 | Prime Operating Company | Dimmit, TXHugh Fitzsimmons (San Miguel) | PluggedOil | 4,000 | Feb 17, 1998 | — | — |
| Fitzsimmons Hugh a #171342-127-33154 | Prime Operating Company | Dimmit, TXHugh Fitzsimmons (San Miguel) | PluggedOil | 4,000 | Feb 17, 1998 | — | — |
| Fitzsimmons Hugh a #420542-127-33148 | Prime Operating Company | Dimmit, TXHugh Fitzsimmons (San Miguel) | PluggedOil | 4,000 | Jan 29, 1998 | — | — |
| Fitzsimmons Hugh a #570142-127-33149 | Prime Operating Company | Dimmit, TXHugh Fitzsimmons (San Miguel) | PluggedOil | 4,000 | Jan 29, 1998 | — | — |
| Hugh a Fitzsimons et al #450542-127-33144 | Prime Operating Company | Dimmit, TXHugh Fitzsimmons (San Miguel) | PluggedOil | 4,000 | Jan 27, 1998 | — | — |
| Hugh a Fitzsimons et al #461542-127-33145 | Prime Operating Company | Dimmit, TXHugh Fitzsimmons (San Miguel) | PluggedOil | 4,000 | Jan 27, 1998 | — | — |
| Hugh a Fitzsimons et al #461642-127-33146 | Prime Operating Company | Dimmit, TXHugh Fitzsimmons (San Miguel) | PluggedOil | 4,000 | Jan 27, 1998 | — | — |
| Kirby Lbr. Corp. -B- #3942-373-00556 | Prime Operating Company | Polk, TXSegno Deep | PluggedOil | 8,600 | Jan 20, 1998 | — | — |
| Brewer 16 #242-105-35497 | Prime Operating Company | Crockett, TXOzona N. (Clearfork) | PluggedOil | 8,200 | Jan 5, 1998 | — | — |
| Wing Sarah F. #1542-373-00577 | Prime Operating Company | Polk, TXSegno Deep | PluggedOil | 8,400 | Oct 27, 1997 | — | — |
| Wing Sarah F. #3942-373-00569 | Prime Operating Company | Polk, TXSegno Deep | ActiveOil | 8,412 | Oct 23, 1997 | — | — |
| Hamel #242-089-00391 | Prime Operating Company | Colorado, TXHamel | PluggedOil | 9,200 | Oct 22, 1997 | — | — |
| Fitzsimmons Hugh a #611642-127-33132 | Prime Operating Company | Dimmit, TXHugh Fitzsimmons (San Miguel) | PluggedOil | 4,500 | Oct 17, 1997 | — | — |
| Hugh a Fitzsimons et al #460142-127-33133 | Prime Operating Company | Dimmit, TXHugh Fitzsimmons (San Miguel) | PluggedOil | 4,500 | Oct 17, 1997 | — | — |
| Fitzsimmons Hugh a #630842-127-33134 | Prime Operating Company | Dimmit, TXHugh Fitzsimmons (San Miguel) | PluggedOil | 4,500 | Oct 17, 1997 | — | — |
| Fitzsimmons a #630542-127-33135 | Prime Operating Company | Dimmit, TXHugh Fitzsimons (Olmos) | PluggedOil | 4,500 | Oct 17, 1997 | — | — |
| Hugh a Fitzsimons et al #451342-127-33136 | Prime Operating Company | Dimmit, TXHugh Fitzsimmons (San Miguel) | PluggedOil | 4,500 | Oct 17, 1997 | — | — |
| Fitzsimmons Hugh a #361642-127-33137 | Prime Operating Company | Dimmit, TXHugh Fitzsimmons (San Miguel) | PluggedOil | 4,500 | Oct 17, 1997 | — | — |
| Boeker Anna #242-089-00380 | Prime Operating Company | Colorado, TXHamel | PluggedOil | 9,503 | Oct 16, 1997 | — | — |
| Fitzsimmons Hugh a #610542-127-33126 | Prime Operating Company | Dimmit, TXHugh Fitzsimmons (San Miguel) | PluggedOil | 4,500 | Oct 13, 1997 | — | — |
| Fitzsimmons Hugh a #610442-127-33127 | Prime Operating Company | Dimmit, TXHugh Fitzsimmons (San Miguel) | PluggedOil | 4,500 | Oct 13, 1997 | — | — |
| Fitzsimmons Hugh a #351442-127-33128 | Prime Operating Company | Dimmit, TXHugh Fitzsimmons (San Miguel) | PluggedOil | 4,500 | Oct 13, 1997 | — | — |
| Fitzsimmons Hugh a #420442-127-33129 | Prime Operating Company | Dimmit, TXHugh Fitzsimmons (San Miguel) | PluggedOil | 4,500 | Oct 13, 1997 | — | — |
| Fitzsimmons Hugh a #610242-127-33125 | Prime Operating Company | Dimmit, TXHugh Fitzsimmons (San Miguel) | PluggedOil | 4,500 | Oct 2, 1997 | — | — |
| Fitzsimmons Hugh a #421442-127-33122 | Prime Operating Company | Dimmit, TXHugh Fitzsimmons (San Miguel) | PluggedOil | 4,600 | Sep 23, 1997 | — | — |
| Fitzsimons a #421242-127-33123 | Prime Operating Company | Dimmit, TXHugh Fitzsimmons (San Miguel) | PluggedGas | 4,600 | Sep 23, 1997 | — | — |
| Fitzsimmons Hugh a #631242-127-33112 | Prime Operating Company | Dimmit, TXHugh Fitzsimmons (San Miguel) | PluggedOil | 4,400 | May 7, 1997 | — | — |
| Fitzsimmons Hugh a #421142-127-33110 | Prime Operating Company | Dimmit, TXHugh Fitzsimmons (San Miguel) | PluggedOil | 4,400 | Apr 24, 1997 | — | — |
| Fitzsimmons Hugh a #420642-127-33111 | Prime Operating Company | Dimmit, TXHugh Fitzsimmons (San Miguel) | PluggedOil | 4,400 | Apr 24, 1997 | — | — |
| De Golyer #642-057-31557 | Prime Operating Company | Calhoun, TXPowderhorn South (4650) | PluggedGas | 6,000 | Mar 11, 1997 | — | — |
| Wing Sarah F. #8342-373-30857 | Prime Operating Company | Polk, TXSegno Deep | ActiveOil | 8,612 | Feb 11, 1997 | — | — |
| San Pedro Ranch #13542-127-31077 | Prime Operating Company | Dimmit, TXHugh Fitzsimons (Olmos) | PluggedOil | 6,708 | Jan 29, 1997 | — | — |
| Degolyer #1042-057-31551 | Prime Operating Company | Calhoun, TXPowderhorn South (4600) | PluggedGas | 5,100 | Dec 3, 1996 | — | — |
| Wing Sarah F. #2942-373-00591 | Prime Operating Company | Polk, TXSegno (Yegua -O-) | PluggedGas | 8,067 | Oct 16, 1996 | — | — |
| San Pedro Ranch #53542-127-32687 | Prime Operating Company | Dimmit, TXHugh Fitzsimmons (San Miguel) | PluggedOil | 4,050 | Sep 19, 1996 | — | — |
| Becker et al Gas Unit #1 #142-131-36880 | Prime Operating Company | Duval, TXEl Mesquite (5200) | PluggedGas | 6,000 | Aug 26, 1996 | — | — |
| De Golyer #542-057-31546 | Prime Operating Company | Calhoun, TXPowderhorn South (4650) | PluggedGas | 5,100 | Jul 29, 1996 | — | — |
| De Golyer #342-057-31544 | Prime Operating Company | Calhoun, TXPowderhorn South (4650) | PluggedGas | 5,100 | Jul 25, 1996 | — | — |
| De Golyer #442-057-31545 | Prime Operating Company | Calhoun, TXPowderhorn South (4600) | PluggedGas | 6,100 | Jul 25, 1996 | — | — |
| Wing Sarah F. #1642-373-00590 | Prime Operating Company | Polk, TXSegno (Wilcox F) | PluggedOil | 8,400 | Jul 25, 1996 | — | — |
| San Pedro Ranch #22242-127-31742 | Prime Operating Company | Dimmit, TXHugh Fitzsimons (Olmos) | PluggedGas | 4,000 | Jul 16, 1996 | — | — |
| San Pedro Ranch #615A42-127-31979 | Prime Operating Company | Dimmit, TXHugh Fitzsimmons (San Miguel) | PluggedOil | 4,000 | Jul 2, 1996 | — | — |
| Hugh a Fitzsimons et al #346A42-127-32100 | Prime Operating Company | Dimmit, TXHugh Fitzsimmons (San Miguel) | PluggedOil | 4,108 | Jun 28, 1996 | — | — |
| Degolyer #142-057-31539 | Prime Operating Company | Calhoun, TXPowderhorn South (4650) | PluggedGas | 6,100 | May 1, 1996 | — | — |
| Degolyer #242-057-31540 | Prime Operating Company | Calhoun, TXPowderhorn South (4650) | PluggedGas | 6,100 | May 1, 1996 | — | — |
| San Pedro Ranch #12742-127-32629 | Prime Operating Company | Dimmit, TXHugh Fitzsimmons (San Miguel) | PluggedOil | 4,050 | Mar 29, 1996 | — | — |
| San Pedro Ranch DS #22842-127-32665 | Prime Operating Company | Dimmit, TXHugh Fitzsimmons (San Miguel) | PluggedOil | 4,050 | Mar 29, 1996 | — | — |
| San Pedro Ranch #152642-127-32700 | Prime Operating Company | Dimmit, TXHugh Fitzsimmons (San Miguel) | PluggedOil | 4,050 | Mar 29, 1996 | — | — |
| University 16-18 #242-371-36321 | Prime Operating Company | Pecos, TXSherbino Creek (Devonian) | PluggedGas | 7,000 | Jan 31, 1996 | — | — |
| Hugh a Fitzsimons et al #146A42-127-32747 | Prime Operating Company | Dimmit, TXHugh Fitzsimmons (San Miguel) | PluggedOil | 4,200 | Dec 20, 1995 | — | — |