| Sanders #142-373-31009 | Prime Operating Company | Polk, TXPepperbush (1900) | PluggedGas | 2,251 | Feb 9, 2004 | — | — |
| Wilkerson et al #142-373-30992 | Prime Operating Company | Polk, TXToadflax (2050) | PluggedGas | 2,800 | Jul 7, 2003 | — | — |
| Pedigo Gas Unit #142-373-30983 | Prime Operating Company | Polk, TXPepperbush (1900) | PluggedGas | 2,800 | May 30, 2003 | — | — |
| Garcia F et al #642-131-37392 | Prime Operating Company | Duval, TXEl Mesquite (3000) | PluggedGas | 6,000 | May 22, 2003 | — | — |
| Hamel #142-089-31912 | Prime Operating Company | Colorado, TXHamel (Wilcox 8350) | PluggedOil | 10,000 | May 9, 2003 | — | — |
| I P Gas Unit #142-373-30986 | Prime Operating Company | Polk, TXAgrimony (2170) | PluggedGas | 3,000 | Apr 1, 2003 | — | — |
| Fitzsimmons a #570642-127-33150 | Prime Operating Company | Dimmit, TXHugh Fitzsimons (Olmos) | PluggedOil | 4,030 | Mar 31, 2003 | — | — |
| Weatherby 1219 #742-383-35319 | Prime Operating Company | Reagan, TXSpraberry (Trend Area) | ActiveOil | 8,250 | Mar 19, 2003 | — | — |
| Weatherby 1219 #642-383-35306 | Prime Operating Company | Reagan, TXSpraberry (Trend Area) | ActiveOil | 8,230 | Feb 13, 2003 | — | — |
| Fitzsimmons Hugh a #250142-127-33153 | Prime Operating Company | Dimmit, TXHugh Fitzsimmons (San Miguel) | PluggedOil | 4,000 | Dec 16, 2002 | — | — |
| Bost #1HZ42-127-32972 | Prime Operating Company | Dimmit, TXPearsall (Olmos -A-) | PluggedOil | 8,415 | Oct 4, 2002 | — | — |
| Jones Heirs et al #142-165-30345 | Prime Operating Company | Gaines, TXJones Ranch South (Devonian) | PluggedOil | 12,000 | Aug 2, 2002 | — | — |
| Wing Sarah F. #81 L42-373-30856 | Prime Operating Company | Polk, TXSegno (Wilcox F) | ActiveOil | 8,616 | Jun 10, 2002 | — | — |
| Hamel #342-089-32095 | Prime Operating Company | Colorado, TXHamel (Wilcox 8350) | PluggedOil | 9,716 | Mar 18, 2002 | — | — |
| Weatherby 1219 #542-383-35184 | Prime Operating Company | Reagan, TXSpraberry (Trend Area) | Shut inOil | 8,500 | Nov 26, 2001 | — | — |
| Wing Sarah F. #7642-373-30561 | Prime Operating Company | Polk, TXSegno (Y2-B) | PluggedGas | 8,314 | Oct 17, 2001 | — | — |
| Weatherby 1219 #442-383-35176 | Prime Operating Company | Reagan, TXSpraberry (Trend Area) | ActiveOil | 8,500 | Oct 17, 2001 | — | — |
| Berthold #242-089-00376 | Prime Operating Company | Colorado, TXHamel (Wilcox 8350) | PluggedOil | 9,211 | Jul 31, 2001 | — | — |
| Fitzsimmons Hugh a #470542-127-33180 | Prime Operating Company | Dimmit, TXHugh Fitzsimmons (San Miguel) | PluggedOil | 4,300 | Jun 28, 2001 | — | — |
| Ralls Unit #142-123-31763 | Prime Operating Company | De Witt, TXThomaston (Yegua 4900) | PluggedOil | 8,200 | Jun 20, 2001 | — | — |
| Miller Estate #h 1REHZ42-089-32196 | Prime Operating Company | Colorado, TXHamel East (Edwards) | PluggedGas | 16,000 | Jun 19, 2001 | — | — |
| Doornbos et al #142-071-32163 | Prime Operating Company | Chambers, TXStowell N. (Discorbis) | PluggedGas | 9,616 | May 21, 2001 | — | — |
| Fitzsimmons 25 #242-127-33175 | Prime Operating Company | Dimmit, TXHugh Fitzsimmons (San Miguel) | PluggedOil | 4,100 | Feb 5, 2001 | — | — |
| Ramirez J. A. #442-131-37215 | Prime Operating Company | Duval, TXEl Mesquite (3000) | PluggedOil | 6,000 | Feb 1, 2001 | — | — |
| Ramirez J. A. #342-131-37237 | Prime Operating Company | Duval, TXEl Mesquite (Dinn C Sand) | PluggedGas | 6,300 | Nov 29, 2000 | — | — |
| Le Blanc #142-025-32671 | Prime Operating Company | Bee, TXTuleta East (Luling) | PluggedGas | 10,000 | Sep 21, 2000 | — | — |
| Saunders #142-479-35195 | Prime Operating Company | Webb, TXLas Tiendas (Wilcox 3050) | PluggedGas | 6,718 | Aug 4, 2000 | — | — |
| Wing Sarah F. #3542-373-00579 | Prime Operating Company | Polk, TXSegno Deep | PluggedOil | 8,320 | Jul 27, 2000 | — | — |
| Wing Sarah F. #2442-373-00594 | Prime Operating Company | Polk, TXSegno (Yegua -P-) | PluggedGas | 8,500 | Jul 24, 2000 | — | — |
| Uribe A. A. #142-505-32064 | Prime Operating Company | Zapata, TXJ J & J (Wilcox 9000) | PluggedGas | 13,000 | Jul 12, 2000 | — | — |
| Joshua-Blackstone #142-351-30703 | Prime Operating Company | Newton, TXBon Weir (11 100) | PluggedOil | 11,800 | Jun 9, 2000 | — | — |
| Hellen Dana #242-247-31852 | Prime Operating Company | Jim Hogg, TXEl Mesquite (Dinn C Sand) | PluggedGas | 5,500 | May 10, 2000 | — | — |
| Wing Sarah F. #842-373-00587 | Prime Operating Company | Polk, TXSegno (Yegua 5300) | Not on scheduleGas | 6,755 | Apr 19, 2000 | — | — |
| Wing Sarah F. #4442-373-00603 | Prime Operating Company | Polk, TXSegno (Yegua -K- Lower) | PluggedGas | 8,158 | Mar 10, 2000 | — | — |
| Mel K. #142-351-00179 | Prime Operating Company | Newton, TXBon Weir (11 100) | PluggedOil | 11,868 | Jan 12, 2000 | — | — |
| Garcia F. et al #942-131-37568 | Prime Operating Company | Duval, TXWildcat | PluggedOil | 6,000 | Sep 22, 1999 | — | — |
| Shinn Gas Unit #142-025-32676 | Prime Operating Company | Bee, TXTuleta (4400) | PluggedGas | 11,200 | Sep 13, 1999 | — | — |
| Kuhnert #142-351-30683 | Prime Operating Company | Newton, TXBon Weir (10 800) | ActiveOil | 11,962 | Aug 24, 1999 | — | — |
| Fitzsimmons Hugh a #631342-127-33167 | Prime Operating Company | Dimmit, TXHugh Fitzsimmons (San Miguel) | PluggedOil | 4,100 | Jul 23, 1999 | — | — |
| Fitzsimmons Hugh a #480742-127-33165 | Prime Operating Company | Dimmit, TXHugh Fitzsimmons (San Miguel) | PluggedOil | 4,100 | Jul 13, 1999 | — | — |
| Fitzsimmons Hugh a #481642-127-33166 | Prime Operating Company | Dimmit, TXHugh Fitzsimmons (San Miguel) | PluggedOil | 4,100 | Jul 13, 1999 | — | — |
| Fitzsimmons Hugh a #370742-127-33164 | Prime Operating Company | Dimmit, TXHugh Fitzsimmons (San Miguel) | PluggedOil | 4,100 | Jul 12, 1999 | — | — |
| Fitzsimmons Hugh a #360642-127-33162 | Prime Operating Company | Dimmit, TXHugh Fitzsimmons (San Miguel) | PluggedOil | 4,100 | Jun 22, 1999 | — | — |
| Fitzsimmons Hugh a #361242-127-33163 | Prime Operating Company | Dimmit, TXHugh Fitzsimmons (San Miguel) | PluggedOil | 4,100 | Jun 22, 1999 | — | — |
| Wing Sarah F. #8YF42-373-30825 | Prime Operating Company | Polk, TXSegno (Yegua -V-) | PluggedOil | 7,000 | Jun 4, 1999 | — | — |
| Fitzsimmons Hugh a #171442-127-33151 | Prime Operating Company | Dimmit, TXHugh Fitzsimmons (San Miguel) | PluggedOil | 4,000 | Feb 9, 1999 | — | — |
| San Pedro Ranch #92642-127-33006 | Prime Operating Company | Dimmit, TXHugh Fitzsimons (Olmos) | PluggedOil | 4,500 | Aug 5, 1998 | — | — |
| Garcia F. et al #542-131-37350 | Prime Operating Company | Duval, TXEl Mesquite (5200) | PluggedOil | 6,000 | May 19, 1998 | — | — |
| State Tract 90 #1U42-057-31569 | Prime Operating Company | Calhoun, TXPowderhorn South (2700) | PluggedGas | 6,812 | Mar 26, 1998 | — | — |
| Hughes E. H. #342-373-00573 | Prime Operating Company | Polk, TXSegno Deep | PluggedOil | 8,600 | Feb 27, 1998 | — | — |