| Singer #142-505-35012 | — | Zapata, TXHaynes (Middle Wilcox Cons.) | Plugged | 14,000 | May 25, 2004 | — | — |
| Mendoza #442-505-35010 | Hilcorp Energy Company | Zapata, TXExsun (Lobo Cons.) | ActiveGas | 10,700 | May 24, 2004 | — | — |
| Gonzales Horacio #142-505-35011 | Hilcorp Energy Company | Zapata, TXBig Mac (8260) | ActiveGas | 10,050 | May 24, 2004 | — | — |
| Haynes #3342-505-35007 | Hilcorp Energy Company | Zapata, TXHaynes (Middle Wilcox Cons.) | ActiveGas | 13,960 | May 21, 2004 | — | — |
| Haynes #3442-505-35008 | Hilcorp Energy Company | Zapata, TXHaynes (Middle Wilcox Cons.) | ActiveGas | 11,300 | May 21, 2004 | — | — |
| Haynes #3542-505-35009 | Hilcorp Energy Company | Zapata, TXHaynes (Middle Wilcox Cons.) | ActiveGas | 14,116 | May 21, 2004 | — | — |
| Jennings Roy #642-505-35004 | Hilcorp Energy Company | Zapata, TXJennings Ranch (Lobo Cons.) | ActiveGas | 10,500 | May 20, 2004 | — | — |
| Asche #8242-505-35005 | Hilcorp Energy Company | Zapata, TXMunoz (Lobo) | ActiveGas | 12,800 | May 20, 2004 | — | — |
| Haynes L. #12242-505-34988 | Merit Energy Company | Zapata, TXLos Mogotes (Wilcox Cons.) | Temporarily abandonedGas | 10,503 | May 19, 2004 | — | — |
| Flores Ruben Minerals #242-505-34967 | Chesapeake Operating Inc. | Zapata, TXExsun (Lobo Cons.) | PluggedGas | 12,500 | May 14, 2004 | — | — |
| La Perla #24942-505-34983 | Hilcorp Energy Company | Zapata, TXLa Perla (Lobo Cons.) | ActiveGas | 9,916 | May 12, 2004 | — | — |
| Jennings Ranch B #1542-505-34980 | Hilcorp Energy Company | Zapata, TXJennings Ranch (Lobo Cons.) | ActiveGas | 13,190 | May 7, 2004 | — | — |
| McAskill #142-505-31133 | Hilcorp Energy Company | Zapata, TXLa Perla (Lobo Cons.) | ActiveGas | 11,474 | May 5, 2004 | — | — |
| Vela #142-505-34999 | Reichmann Petroleum Corp. | Zapata, TXHaynes (Middle Wilcox Cons.) | PluggedGas | 14,000 | May 5, 2004 | — | — |
| Juan de Dios #142-505-35000 | Hilcorp Energy Company | Zapata, TXExsun (Lobo Cons.) | ActiveGas | 10,700 | May 5, 2004 | — | — |
| Yzaguirre #342-505-34995 | Vantage Operating II LLC | Zapata, TXLopeno (Consolidated) | ActiveGas | 11,975 | May 3, 2004 | — | — |
| Veleno Ranch #442-505-34996 | Vantage Operating LLC | Zapata, TXExsun (Lobo Cons.) | ActiveGas | 10,350 | Apr 29, 2004 | — | — |
| Veleno Ranch #342-505-34997 | Vantage Operating LLC | Zapata, TXExsun (Lobo Cons.) | ActiveGas | 11,000 | Apr 29, 2004 | — | — |
| Haynes L. #12642-505-34992 | Merit Energy Company | Zapata, TXLos Mogotes (Wilcox Cons.) | ActiveGas | 10,670 | Apr 28, 2004 | — | — |
| Haynes L. #12742-505-34993 | Merit Energy Company | Zapata, TXLos Mogotes (Wilcox Cons.) | ActiveGas | 9,950 | Apr 28, 2004 | — | — |
| Benavides B. R. #342-505-34994 | Bordertown Energy Resources LLC | Zapata, TXJennings Ranch (Lobo Cons.) | ActiveGas | 13,000 | Apr 28, 2004 | — | — |
| Cuellar Hesiguio #142-505-30287 | Energy 2000 Inc. | Zapata, TXUrebeno South (Wilcox 7000) | PluggedGas | 7,030 | Apr 27, 2004 | — | — |
| M. G. Garza G. U. #242-505-34991 | Killam Oil Co. Ltd. | Zapata, TXHaynes (Middle Wilcox Cons.) | ActiveGas | 13,908 | Apr 23, 2004 | — | — |
| BMT Martin B #1442-505-34253 | Hilcorp Energy Company | Zapata, TXBlancas Creek (10850) | Temporarily abandonedGas | 10,468 | Apr 21, 2004 | — | — |
| Jennings Ranch AA #942-505-34986 | Hilcorp Energy Company | Zapata, TXJennings Ranch (Lobo Cons.) | ActiveGas | 12,806 | Apr 21, 2004 | — | — |
| Jennings Ranch AA #3742-505-34987 | Hilcorp Energy Company | Zapata, TXCharco (9900) | ActiveGas | 12,970 | Apr 21, 2004 | — | — |
| Ray J Thomasma B #1142-505-34990 | Hilcorp Energy Company | Zapata, TXZwebb (10350) | ActiveGas | 11,686 | Apr 21, 2004 | — | — |
| Ramirez D. #342-505-34962 | Hilcorp Energy Company | Zapata, TXRamirez (Lobo) | ActiveGas | 13,400 | Apr 16, 2004 | — | — |
| Vergara #342-505-34984 | Merit Energy Company | Zapata, TXLos Mogotes (Wilcox Cons.) | ActiveGas | 8,950 | Apr 16, 2004 | — | — |
| Siete Velas #242-505-34985 | Wagner & Brown Ltd. | Zapata, TXWildcat | PluggedGas | 14,000 | Apr 16, 2004 | — | — |
| Pipeline Cathodic Protection #4342-505-34974 | Kinder Morgan Tejas Pipeline, LP | Zapata, TX | Not on schedule | 305 | Apr 15, 2004 | — | — |
| Singer-Anders #142-505-34982 | Hilcorp Energy Company | Zapata, TXExsun (Lobo Cons.) | ActiveGas | 11,440 | Apr 15, 2004 | — | — |
| Gutierrez #242-505-34981 | Hilcorp Energy Company | Zapata, TXExsun (Lobo Cons.) | ActiveGas | 10,900 | Apr 13, 2004 | — | — |
| Lauro Lopez Mineral Trust a #1__42-505-34978 | — | Zapata, TX | Plugged | 15,500 | Apr 9, 2004 | — | — |
| Swantner G. R. a #342-505-34979 | Hilcorp Energy Company | Zapata, TXZapata SE. (Wilcox) | ActiveGas | 10,600 | Apr 9, 2004 | — | — |
| Siete Velas #142-505-34747 | Cfo Resources Inc. | Zapata, TXUno Mas Tiempo (Sylvia Sand) | Temporarily abandonedGas | 13,230 | Apr 8, 2004 | — | — |
| Pipeline Cathodic Protection #5342-505-34973 | Kinder Morgan Tejas Pipeline, LP | Zapata, TX | Not on schedule | 305 | Apr 8, 2004 | — | — |
| Gutierrez T. #142-505-34977 | Killam Oil Co. Ltd. | Zapata, TXHaynes (Middle Wilcox Cons.) | ActiveGas | 13,950 | Apr 8, 2004 | — | — |
| 3-D Ranches Tr. 4 #7__42-505-34951 | — | Zapata, TXLa Perla (Lobo Cons.) | Plugged | 9,600 | Apr 7, 2004 | — | — |
| L & P TR3 #942-505-34954 | Conocophillips Company | Zapata, TXLa Perla (Lobo Cons.) | Not on schedule | 9,700 | Apr 7, 2004 | — | — |
| Pipeline Cathodic Protection #5142-505-34976 | Kinder Morgan Tejas Pipeline, LP | Zapata, TX | Drilled | 305 | Apr 7, 2004 | — | — |
| Jennings Ranch C #442-505-33813 | Hilcorp Energy Company | Zapata, TXCharco (9900) | ActiveGas | 12,900 | Apr 6, 2004 | — | — |
| Flores M. #742-505-34969 | Hilcorp Energy Company | Zapata, TXFlores W. (Perdido) | Temporarily abandonedGas | 8,800 | Apr 5, 2004 | — | — |
| M. Flores #8__42-505-34970 | — | Zapata, TX | Plugged | 13,500 | Apr 5, 2004 | — | — |
| Flores M. #942-505-34971 | Hilcorp Energy Company | Zapata, TXFlores W. (Perdido) | ActiveGas | 13,200 | Apr 5, 2004 | — | — |
| M. Flores #1042-505-34972 | — | Zapata, TX | Plugged | 14,000 | Apr 5, 2004 | — | — |
| Jennings Roy #242-505-34541 | Hilcorp Energy Company | Zapata, TXCharco (9900) | ActiveGas | 14,000 | Apr 1, 2004 | — | — |
| Jennings Roy #342-505-34576 | Hilcorp Energy Company | Zapata, TXCharco (9900) | ActiveGas | 10,500 | Apr 1, 2004 | — | — |
| Jennings Roy #442-505-34604 | Hilcorp Energy Company | Zapata, TXCharco (9900) | ActiveGas | 10,500 | Apr 1, 2004 | — | — |
| Guerra Raul #1742-505-34965 | Vantage Operating II LLC | Zapata, TXLopeno ( Reklaw B) | ActiveGas | 5,000 | Mar 29, 2004 | — | — |