| BMT-Martin a #542-505-34107 | Conoco Inc. | Zapata, TXLa Perla (Lobo Cons.) | Not on schedule | 11,600 | Mar 31, 2000 | — | — |
| Guerra Raul #142-505-32441 | Vantage Operating II LLC | Zapata, TXLopeno (Consolidated) | ActiveGas | 12,773 | Mar 30, 2000 | — | — |
| Guerra Raul #242-505-32466 | Vantage Operating II LLC | Zapata, TXLopeno (Consolidated) | Temporarily abandonedGas | 11,185 | Mar 30, 2000 | — | — |
| Rectifier #142-505-34109 | Natural Gas Pipeline Co of Amer. | Zapata, TX | Not on schedule | 268 | Mar 29, 2000 | — | — |
| Alfonso #1542-505-34105 | Hilcorp Energy Company | Zapata, TXCharco (9400) | ActiveGas | 10,320 | Mar 27, 2000 | — | — |
| Jennings Ranch C #1542-505-34108 | Hilcorp Energy Company | Zapata, TXJennings Ranch (Lobo Cons.) | ActiveGas | 13,000 | Mar 27, 2000 | — | — |
| Sanchez-McMurrey #1442-505-33452 | North Central Oil Corp. | Zapata, TXM & F (Wilcox 6500) | PluggedGas | 11,400 | Mar 22, 2000 | — | — |
| Benavides Belia R. B #1042-505-33146 | Varas Energy Operating Company | Zapata, TXHundido (Lobo) | ActiveGas | 10,550 | Mar 17, 2000 | — | — |
| Mecom J. W. #11042-505-34104 | Paleo Oil Company LLC | Zapata, TXJ. C. Martin (Lobo) | ActiveGas | 9,934 | Mar 17, 2000 | — | — |
| Benavides Belia R. B #542-505-31607 | Varas Energy Operating Company | Zapata, TXHundido (9300) | ActiveGas | 10,881 | Mar 16, 2000 | — | — |
| Garza L. #1242-505-34102 | Mountain V Texas LLC | Zapata, TXGarza (Consolidated) | ActiveGas | 11,000 | Mar 16, 2000 | — | — |
| Leal F. #242-505-34103 | Hilcorp Energy Company | Zapata, TXLa Perla (Lobo Cons.) | ActiveGas | 9,915 | Mar 16, 2000 | — | — |
| BMT-FNB #342-505-34101 | Hilcorp Energy Company | Zapata, TXLa Perla (Lobo Cons.) | ActiveGas | 10,000 | Mar 15, 2000 | — | — |
| El Peyote Mineral Trust #742-505-34099 | TD Natural Resources LLC | Zapata, TXLoma Vieja (Wilcox) | ActiveGas | 14,503 | Mar 9, 2000 | — | — |
| Palmyra #342-505-33815 | Mag Exploration LLC | Zapata, TXBob West North (L-1 L-2 L-3) | ActiveGas | 8,640 | Mar 8, 2000 | — | — |
| Cavazos #142-505-34098 | Chesapeake Operating Inc. | Zapata, TXEN Seguido (Wilcox) | PluggedGas | 16,000 | Mar 8, 2000 | — | — |
| Benavides Belia R. C #142-505-33172 | Varas Energy Operating Company | Zapata, TXHundido (Lobo) | ActiveGas | 10,975 | Mar 7, 2000 | — | — |
| Haynes #1742-505-34096 | Houston Exploration Company The | Zapata, TXWildcat | PluggedGas | 12,000 | Mar 3, 2000 | — | — |
| Jennings Ranch C #1442-505-34097 | Hilcorp Energy Company | Zapata, TXJennings Ranch (Middle Wilcox) | ActiveGas | 12,920 | Mar 3, 2000 | — | — |
| Guerra Raul #442-505-33337 | Vantage Operating II LLC | Zapata, TXLopeno (Consolidated) | ActiveGas | 11,000 | Mar 2, 2000 | — | — |
| Mecom, J. W. #11042-505-34095 | Coastal Oil & Gas Corporation | Zapata, TXLa Perla (Lobo Cons.) | Not on schedule | 11,000 | Feb 29, 2000 | — | — |
| La Perla #21042-505-34093 | Conoco Inc. | Zapata, TXLa Perla (Lobo Cons.) | PluggedGas | 11,000 | Feb 25, 2000 | — | — |
| Alfonso #1342-505-34091 | Hilcorp Energy Company | Zapata, TXCharco (9200) | ActiveGas | 10,300 | Feb 24, 2000 | — | — |
| Alfonso #1442-505-34092 | Hilcorp Energy Company | Zapata, TXCharco (9200) | ActiveGas | 10,320 | Feb 24, 2000 | — | — |
| King B #642-505-34088 | Conoco Inc. | Zapata, TXWildcat | PluggedGas | 8,900 | Feb 22, 2000 | — | — |
| Marshall S. G. #2942-505-34089 | Mountain V Texas LLC | Zapata, TXPok - a - Dot (8600) | ActiveGas | 8,800 | Feb 22, 2000 | — | — |
| Rathmell J. G. #2042-505-33969 | Merit Energy Company | Zapata, TXHundido (9300) | ActiveGas | 11,350 | Feb 16, 2000 | — | — |
| Garza L. #1142-505-34024 | Mountain V Texas LLC | Zapata, TXGarza (Consolidated) | ActiveGas | 10,800 | Feb 16, 2000 | — | — |
| Benavides Belia R. B #842-505-32954 | Varas Energy Operating Company | Zapata, TXHundido (9300) | ActiveGas | 10,575 | Feb 15, 2000 | — | — |
| La Perla B2 #1642-505-34087 | Hilcorp Energy Company | Zapata, TXLa Perla (Lobo Cons.) | ActiveGas | 8,872 | Feb 15, 2000 | — | — |
| Trevino J. B. #542-505-34084 | Merit Energy Company | Zapata, TXSan Ygnacio E. (Wilcox 8600) | ActiveGas | 8,800 | Feb 11, 2000 | — | — |
| Slator Ranch #442-505-31589 | Wagner Oil Company | Zapata, TXPok - a - Dot (8600) | PluggedGas | 12,200 | Feb 9, 2000 | — | — |
| Mecom J. W. #4242-505-31481 | Paleo Oil Company LLC | Zapata, TXJ. C. Martin (Lobo) | ActiveGas | 9,300 | Feb 8, 2000 | — | — |
| Marshall S. G. #2242-505-34083 | Hilcorp Energy Company | Zapata, TXCisco-Benavides (Lobo Cons.) | ActiveGas | 9,885 | Feb 8, 2000 | — | — |
| Sanchez-McMurrey #1142-505-33094 | Merit Energy Company | Zapata, TXM & F (Wilcox 6500) | ActiveGas | 11,150 | Feb 4, 2000 | — | — |
| Marshall S. G. #2342-505-34080 | Hilcorp Energy Company | Zapata, TXCisco-Benavides (Lobo Cons.) | ActiveGas | 10,400 | Feb 4, 2000 | — | — |
| Las Piedras Gas Unit #142-505-34081 | North Central Oil Corp. | Zapata, TXRoleta (Wilcox Consolidated) | PluggedGas | 13,500 | Feb 4, 2000 | — | — |
| BMT-Martin a #742-505-34082 | Hilcorp Energy Company | Zapata, TXLa Perla (Lobo Cons.) | ActiveGas | 11,000 | Feb 4, 2000 | — | — |
| La Perla #20942-505-34079 | Hilcorp Energy Company | Zapata, TXLa Perla (Lobo Cons.) | ActiveGas | 9,350 | Feb 3, 2000 | — | — |
| Martinez M. #1342-505-34056 | Varas Energy Operating Company | Zapata, TXPok - a - Dot (8600) | ActiveGas | 9,300 | Jan 27, 2000 | — | — |
| Haynes Leonard #3842-505-33998 | Merit Energy Company | Zapata, TXLos Mogotes (Wilcox Cons.) | ActiveGas | 10,800 | Jan 26, 2000 | — | — |
| Bernardo Gas Unit #1342-505-34074 | Hilcorp Energy Company | Zapata, TXHaynes (Middle Wilcox Cons.) | ActiveGas | 13,767 | Jan 26, 2000 | — | — |
| Rathmell J. G. #2442-505-34075 | Merit Energy Company | Zapata, TXHundido (Lobo) | ActiveGas | 10,600 | Jan 26, 2000 | — | — |
| Garza A. #1242-505-34072 | Hilcorp Energy Company | Zapata, TXCharco (9200) | ActiveGas | 10,060 | Jan 24, 2000 | — | — |
| Asche #4542-505-34073 | Houston Exploration Company The | Zapata, TXWildcat | PluggedGas | 10,700 | Jan 24, 2000 | — | — |
| Ramirez M. R. #842-505-34071 | Vantage Operating II LLC | Zapata, TXLopeno (Consolidated) | Temporarily abandonedGas | 10,979 | Jan 21, 2000 | — | — |
| Guerra Raul #1142-505-34051 | Vantage Operating II LLC | Zapata, TXLopeno (Consolidated) | ActiveGas | 10,600 | Jan 20, 2000 | — | — |
| Haynes #2042-505-34069 | Hilcorp Energy Company | Zapata, TXWildcat | Temporarily abandonedGas | 1,234 | Jan 20, 2000 | — | — |
| Jennings J.D. #46042-505-34068 | Sue-Ann Operating L.C. | Zapata, TXJennings W. (1370) | PluggedOil | 5,500 | Jan 19, 2000 | — | — |
| Martinez Adela M. et al #142-505-33736 | Hilcorp Energy Company | Zapata, TXBig Mac (6470) | ActiveGas | 9,155 | Jan 14, 2000 | — | — |