| Molletes Creek GU #242-505-34912 | Hilcorp Energy Company | Zapata, TXExsun (Lobo Cons.) | Temporarily abandonedGas | 9,665 | Jan 23, 2004 | — | — |
| King B #3A42-505-32123 | Texxco Energy Services Inc | Zapata, TXSan Ygnacio (Wilcox) | Temporarily abandonedGas | 9,100 | Jan 21, 2004 | — | — |
| Villerreal #242-505-34907 | Hilcorp Energy Company | Zapata, TXExsun (Lobo Cons.) | ActiveGas | 10,910 | Jan 21, 2004 | — | — |
| L. Haynes #111__42-505-34908 | — | Zapata, TX | Plugged | 11,100 | Jan 21, 2004 | — | — |
| Haynes L. #11042-505-34909 | Merit Energy Company | Zapata, TXLos Mogotes (Wilcox Cons.) | Temporarily abandonedGas | 9,465 | Jan 21, 2004 | — | — |
| Vergara #242-505-34910 | Merit Energy Company | Zapata, TXLos Mogotes (Wilcox Cons.) | ActiveGas | 10,670 | Jan 21, 2004 | — | — |
| Jennings Ranch AA #3642-505-34906 | Hilcorp Energy Company | Zapata, TXJennings Ranch (Lobo Cons.) | ActiveGas | 13,250 | Jan 20, 2004 | — | — |
| Palmyra #142-505-33277 | Crimson Exploration Oper. Inc. | Zapata, TXBob West North (LZ-5) | PluggedGas | 14,500 | Jan 15, 2004 | — | — |
| Alonzo #142-505-34904 | Hilcorp Energy Company | Zapata, TXHaynes (Middle Wilcox Cons.) | Temporarily abandonedGas | 13,100 | Jan 15, 2004 | — | — |
| Laurel Mineral Estate #142-505-34905 | Hilcorp Energy Company | Zapata, TXCharco (9900) | ActiveGas | 12,195 | Jan 15, 2004 | — | — |
| Jennings Ranch C #5642-505-34887 | Hilcorp Energy Company | Zapata, TXJennings Ranch (Lobo Cons.) | ActiveGas | 13,039 | Jan 13, 2004 | — | — |
| La Perla #24742-505-34902 | Hilcorp Energy Company | Zapata, TXLa Perla (Lobo Cons.) | ActiveGas | 10,053 | Jan 8, 2004 | — | — |
| Zachary H.B. Company #842-505-34903 | — | Zapata, TX | Plugged | 16,300 | Jan 8, 2004 | — | — |
| Haynes L. #10742-505-34899 | Merit Energy Company | Zapata, TXLos Mogotes (Wilcox Cons.) | ActiveGas | 9,800 | Jan 6, 2004 | — | — |
| Haynes L. #10842-505-34900 | Merit Energy Company | Zapata, TXLos Mogotes (Wilcox Cons.) | ActiveGas | 10,450 | Jan 6, 2004 | — | — |
| Benavides Trust #842-505-34901 | Merit Energy Company | Zapata, TXHundido (9300) | ActiveGas | 11,200 | Jan 6, 2004 | — | — |
| Jennings Ranch C #5942-505-34882 | Hilcorp Energy Company | Zapata, TXCharco (9900) | ActiveGas | 13,045 | Dec 30, 2003 | — | — |
| Bruni Mineral Trust 15 #342-505-34896 | Killam Oil Co. Ltd. | Zapata, TXZwebb (10350) | PluggedGas | 13,000 | Dec 30, 2003 | — | — |
| Veleno #342-505-34897 | Hilcorp Energy Company | Zapata, TXExsun (Lobo Cons.) | ActiveGas | 11,200 | Dec 30, 2003 | — | — |
| La Perla #24542-505-34895 | Conocophillips Company | Zapata, TXWildcat | PluggedGas | 10,600 | Dec 23, 2003 | — | — |
| Juana #1042-505-34890 | Hilcorp Energy Company | Zapata, TXCisco-Benavides (Lobo Cons.) | ActiveGas | 9,800 | Dec 19, 2003 | — | — |
| Juana #1142-505-34891 | Hilcorp Energy Company | Zapata, TXCisco-Benavides (Lobo Cons.) | ActiveGas | 9,700 | Dec 19, 2003 | — | — |
| Bernardo Gas Unit #1442-505-34892 | Hilcorp Energy Company | Zapata, TXHaynes (Middle Wilcox Cons.) | ActiveGas | 13,910 | Dec 19, 2003 | — | — |
| Swantner G. R. a #242-505-34893 | Hilcorp Energy Company | Zapata, TXZapata SE. (Wilcox) | ActiveGas | 10,500 | Dec 19, 2003 | — | — |
| Morales #242-505-34894 | Hilcorp Energy Company | Zapata, TXExsun (Lobo Cons.) | ActiveGas | 11,040 | Dec 19, 2003 | — | — |
| Raquel Gutierrez #2ST42-505-34889 | Unit Petroleum Company | Zapata, TXHaynes (Middle Wilcox Cons.) | PluggedGas | 10,500 | Dec 17, 2003 | — | — |
| Abelino #142-505-32479 | Killam Oil Co. Ltd. | Zapata, TXBustamante South (Wilcox) | PluggedGas | 15,500 | Dec 16, 2003 | — | — |
| Bernardo Bustamante G.U. #342-505-34888 | Killam Oil Co. Ltd. | Zapata, TXHaynes (Middle Wilcox Cons.) | Temporarily abandonedGas | 12,132 | Dec 16, 2003 | — | — |
| Jennings Ranch C #5242-505-34870 | Hilcorp Energy Company | Zapata, TXJennings Ranch (Lobo Cons.) | PluggedGas | 13,600 | Dec 15, 2003 | — | — |
| Haynes L. #10642-505-34886 | Merit Energy Company | Zapata, TXLos Mogotes (Wilcox Cons.) | Temporarily abandonedGas | 10,400 | Dec 15, 2003 | — | — |
| Morgenstern #442-505-33356 | EOG Resources Inc. | Zapata, TXLopeno NE. (9400) | PluggedGas | 14,200 | Dec 8, 2003 | — | — |
| Jennings Ranch C #4942-505-34880 | Hilcorp Energy Company | Zapata, TXJennings Ranch (Lobo Cons.) | ActiveGas | 12,552 | Dec 5, 2003 | — | — |
| Vergara #142-505-34883 | Merit Energy Company | Zapata, TXLos Mogotes (Wilcox Cons.) | ActiveGas | 9,270 | Dec 5, 2003 | — | — |
| Benavides Trust #1042-505-34884 | Merit Energy Company | Zapata, TXLos Mogotes (Wilcox Cons.) | ActiveGas | 8,776 | Dec 5, 2003 | — | — |
| Haynes L. #10542-505-34885 | Merit Energy Company | Zapata, TXLos Mogotes (Wilcox Cons.) | Temporarily abandonedGas | 9,850 | Dec 5, 2003 | — | — |
| Jennings Ranch C #542-505-33846 | Hilcorp Energy Company | Zapata, TXCharco (9900) | ActiveGas | 12,910 | Dec 4, 2003 | — | — |
| Yzaguirre-Leo Gas Unit #1342-505-34881 | Hilcorp Energy Company | Zapata, TXHaynes (Middle Wilcox Cons.) | ActiveGas | 14,010 | Dec 4, 2003 | — | — |
| RMT #442-505-34878 | Hilcorp Energy Company | Zapata, TXExsun (Lobo Cons.) | ActiveGas | 11,300 | Dec 1, 2003 | — | — |
| Garza L. #3042-505-34877 | Mountain V Texas LLC | Zapata, TXGarza (Consolidated) | ActiveGas | 11,600 | Nov 25, 2003 | — | — |
| Munoz #8 T42-505-34872 | Hilcorp Energy Company | Zapata, TXMunoz (Lobo) | ActiveGas | 14,200 | Nov 24, 2003 | — | — |
| Rodriguez Gas Unit #1142-505-34875 | Hilcorp Energy Company | Zapata, TXHaynes (Middle Wilcox Cons.) | ActiveGas | 14,061 | Nov 24, 2003 | — | — |
| Alexander #2__42-505-34874 | — | Zapata, TXTigre Grande (12000) | Plugged | 14,000 | Nov 21, 2003 | — | — |
| Munoz #942-505-34873 | Hilcorp Energy Company | Zapata, TXHaynes (Middle Wilcox Cons.) | ActiveGas | 14,200 | Nov 20, 2003 | — | — |
| Ramirez Jose Est. E #242-505-33695 | Vantage Operating II LLC | Zapata, TXLopeno ( Reklaw B) | Temporarily abandonedGas | 9,793 | Nov 19, 2003 | — | — |
| Jennings Ranch D #242-505-34011 | Hilcorp Energy Company | Zapata, TXJennings Ranch (Lobo Cons.) | ActiveGas | 12,200 | Nov 18, 2003 | — | — |
| Jennings Ranch C #2242-505-34210 | Hilcorp Energy Company | Zapata, TXJennings Ranch (Lobo Cons.) | ActiveGas | 12,150 | Nov 18, 2003 | — | — |
| Lopez #2A42-505-34871 | Varas Energy Operating Company | Zapata, TXTigre Grande (12000) | Temporarily abandonedGas | 12,857 | Nov 18, 2003 | — | — |
| Munoz #742-505-34869 | Hilcorp Energy Company | Zapata, TXHaynes (Middle Wilcox Cons.) | Temporarily abandonedGas | 12,000 | Nov 14, 2003 | — | — |
| New Zapata East Gas Unit #242-505-34868 | Hilcorp Energy Company | Zapata, TXExsun (Lobo Cons.) | ActiveGas | 11,050 | Nov 13, 2003 | — | — |
| Ncoc Fee Unit #342-505-34849 | Merit Energy Company | Zapata, TXCisco-Benavides (Lobo Cons.) | Temporarily abandonedGas | 10,300 | Nov 12, 2003 | — | — |