| J. O. D. #1042-505-34020 | Hilcorp Energy Company | Zapata, TXMunoz (Lobo) | ActiveGas | 14,200 | Oct 15, 1999 | — | — |
| J. O. D. #1142-505-34021 | Houston Exploration Company, The | Zapata, TXHaynes (Middle Wilcox Cons.) | Not on schedule | 12,000 | Oct 15, 1999 | — | — |
| Vela C #142-505-32262 | Merit Energy Company | Zapata, TXRoleta (7483) | ActiveGas | 9,817 | Oct 11, 1999 | — | — |
| Martinez Antonio et al #1342-505-34012 | Hilcorp Energy Company | Zapata, TXLa Perla (Lobo Cons.) | Temporarily abandonedGas | 8,044 | Oct 8, 1999 | — | — |
| Jennings Ranch #1242-505-34015 | Conoco Inc. | Zapata, TXJennings Ranch (Lobo Cons.) | Not on schedule | 13,600 | Oct 8, 1999 | — | — |
| Jennings Ranch #1142-505-34017 | Conoco Inc. | Zapata, TXJennings Ranch (Lobo Cons.) | Not on schedule | 13,600 | Oct 8, 1999 | — | — |
| Marshall S. G. #2842-505-34018 | Mountain V Texas LLC | Zapata, TXPok - a - Dot (8600) | Temporarily abandonedGas | 8,800 | Oct 8, 1999 | — | — |
| Haynes #1542-505-33287 | Hilcorp Energy Company | Zapata, TXWildcat | Temporarily abandonedGas | 12,360 | Sep 29, 1999 | — | — |
| Guerra Raul #1042-505-34007 | Vantage Operating II LLC | Zapata, TXLopeno (Consolidated) | ActiveGas | 10,910 | Sep 27, 1999 | — | — |
| La Perla #20742-505-34010 | Hilcorp Energy Company | Zapata, TXLa Perla (Lobo Cons.) | ActiveGas | 9,350 | Sep 22, 1999 | — | — |
| Vela Adrian #242-505-30527 | Hurd Enterprises Ltd. | Zapata, TXVolpe (6060) | PluggedGas | 6,550 | Sep 21, 1999 | — | — |
| Mecom J. W. #10542-505-34009 | Paleo Oil Company LLC | Zapata, TXJ. C. Martin (Wilcox 8150) | ActiveGas | 10,400 | Sep 20, 1999 | — | — |
| Marshall S. G. #2642-505-34008 | EOG Resources Inc. | Zapata, TXPok - a - Dot (8600) | PluggedGas | 10,100 | Sep 17, 1999 | — | — |
| Trevino J. B. #442-505-34005 | Merit Energy Company | Zapata, TXSan Ygnacio (Wilcox) | ActiveGas | 8,900 | Sep 16, 1999 | — | — |
| Slator Ranch #f-142-505-34006 | — | Zapata, TX | Plugged | 4,500 | Sep 16, 1999 | — | — |
| Lopez Mineral Trust #242-505-34002 | — | Zapata, TXLas Lomas (Wilcox 7800) | Plugged | 9,000 | Sep 10, 1999 | — | — |
| BMT-Martin B #242-505-34003 | Hilcorp Energy Company | Zapata, TXLa Perla (Lobo Cons.) | ActiveGas | 10,100 | Sep 10, 1999 | — | — |
| Haynes E #842-505-34004 | Hilcorp Energy Company | Zapata, TXWildcat | Temporarily abandonedGas | 13,250 | Sep 10, 1999 | — | — |
| Jennings Ranch C #842-505-34001 | Hilcorp Energy Company | Zapata, TXJennings Ranch (Lobo Cons.) | ActiveGas | 12,800 | Sep 9, 1999 | — | — |
| Garza L. Estate of et al #342-505-33995 | Hilcorp Energy Company | Zapata, TXHaynes (Middle Wilcox Cons.) | Temporarily abandonedGas | 11,507 | Sep 2, 1999 | — | — |
| Alfonso #1142-505-33996 | Hilcorp Energy Company | Zapata, TXCharco (9200) | ActiveGas | 10,320 | Sep 2, 1999 | — | — |
| Garza A. #1042-505-33997 | Hilcorp Energy Company | Zapata, TXCharco (9900) | ActiveGas | 10,190 | Sep 2, 1999 | — | — |
| La Perla B1 #1442-505-33993 | Hilcorp Energy Company | Zapata, TXLa Perla (Lobo Cons.) | ActiveGas | 9,250 | Sep 1, 1999 | — | — |
| La Perla B2 #1342-505-33994 | Hilcorp Energy Company | Zapata, TXLa Perla (Lobo Cons.) | ActiveGas | 9,700 | Sep 1, 1999 | — | — |
| King B #542-505-33992 | Hilcorp Energy Company | Zapata, TXLa Perla (Lobo Cons.) | ActiveGas | 9,000 | Aug 31, 1999 | — | — |
| Mann Trust et al #142-505-33989 | North Central Oil Corp. | Zapata, TXRoleta (Wilcox Consolidated) | PluggedGas | 12,750 | Aug 30, 1999 | — | — |
| Mecom J. W. #10442-505-33991 | Paleo Oil Company LLC | Zapata, TXJ. C. Martin (Lobo) | ActiveGas | 10,200 | Aug 30, 1999 | — | — |
| BMT-Martin a #142-505-33990 | Hilcorp Energy Company | Zapata, TXLa Perla (Lobo Cons.) | ActiveGas | 11,150 | Aug 27, 1999 | — | — |
| Vasquez Romeo #142-505-32594 | Hilcorp Energy Company | Zapata, TXLa Rica (6866 Wilcox) | Temporarily abandonedGas | 9,000 | Aug 26, 1999 | — | — |
| Uribe-M Demartinez Gas Unit #142-505-33988 | Hilcorp Energy Company | Zapata, TXCisco-Benavides (Lobo Cons.) | ActiveGas | 9,635 | Aug 26, 1999 | — | — |
| Gomez #142-505-33987 | Varas Energy Operating Company | Zapata, TXTaguache Creek (Wilcox 10800) | Temporarily abandonedGas | 10,991 | Aug 21, 1999 | — | — |
| Marshall S. G. #2542-505-33986 | Mountain V Texas LLC | Zapata, TXPok - a - Dot (8600) | ActiveGas | 9,000 | Aug 20, 1999 | — | — |
| Vela Serapio Heirs GU C #2842-505-33984 | Conocophillips Company | Zapata, TXWildcat | PluggedGas | 9,300 | Aug 18, 1999 | — | — |
| Lundell B #642-505-33985 | Hilcorp Energy Company | Zapata, TXLa Perla (Lobo Cons.) | ActiveGas | 11,400 | Aug 18, 1999 | — | — |
| Flores L. G. #2142-505-33794 | Hilcorp Energy Company | Zapata, TXHaynes (Middle Wilcox Cons.) | ActiveGas | 13,920 | Aug 17, 1999 | — | — |
| Jennings Ranch #1042-505-33983 | Conoco Inc. | Zapata, TXJennings Ranch (Lobo Cons.) | Not on schedule | 13,600 | Aug 16, 1999 | — | — |
| Jennings Ranch C #742-505-33981 | Hilcorp Energy Company | Zapata, TXJennings Ranch (Lobo Cons.) | ActiveGas | 12,900 | Aug 11, 1999 | — | — |
| Demartinez M. #642-505-33982 | — | Zapata, TXCisco-Benavides (Lobo Cons.) | Plugged | 10,660 | Aug 11, 1999 | — | — |
| Jennings #5842-505-32419 | Devon Energy Production Co L.P. | Zapata, TXJennings (Wilcox Consolidated) | PluggedGas | 9,500 | Aug 6, 1999 | — | — |
| Jennings, J. D. #45442-505-33980 | Mote Resources, Inc. | Zapata, TX | Not on schedule | 5,500 | Aug 6, 1999 | — | — |
| Serapio Vela E #2542-505-33979 | Hilcorp Energy Company | Zapata, TXRoleta (Wilcox Consolidated) | ActiveGas | 9,752 | Aug 5, 1999 | — | — |
| Garza L. #1042-505-33978 | Mountain V Texas LLC | Zapata, TXHaynes (Middle Wilcox Cons.) | ActiveGas | 11,500 | Aug 3, 1999 | — | — |
| Slator Ranch D #142-505-33977 | Mountain V Texas LLC | Zapata, TXLas Ovejas (Lobo) | Temporarily abandonedGas | 10,550 | Aug 2, 1999 | — | — |
| Mecom J. W. #10342-505-33972 | Paleo Oil Company LLC | Zapata, TXJ. C. Martin (Lobo) | ActiveGas | 9,875 | Jul 28, 1999 | — | — |
| Mosser H. J. #242-505-33973 | Conoco Inc. | Zapata, TXWildcat | PluggedGas | 11,700 | Jul 28, 1999 | — | — |
| Vela Humberto #142-505-33974 | Conoco Inc. | Zapata, TXWildcat | PluggedGas | 9,600 | Jul 28, 1999 | — | — |
| De Barbario #442-505-33975 | — | Zapata, TXRoleta (Wilcox Consolidated) | Plugged | 11,100 | Jul 28, 1999 | — | — |
| Garza L. #942-505-33976 | Mountain V Texas LLC | Zapata, TXHaynes (Middle Wilcox Cons.) | ActiveGas | 11,500 | Jul 28, 1999 | — | — |
| Vela-Cuellar #342-505-32655 | Hilcorp Energy Company | Zapata, TXZapata SE. (Wilcox) | Temporarily abandonedGas | 10,750 | Jul 27, 1999 | — | — |
| Bruni Ranch #4742-505-33970 | Hilcorp Energy Company | Zapata, TXLa Perla (Lobo Cons.) | ActiveGas | 11,350 | Jul 23, 1999 | — | — |