| Dye J. D. #1042-505-34334 | Hilcorp Energy Company | Zapata, TXLa Perla (Lobo Cons.) | ActiveGas | 9,562 | Apr 24, 2001 | — | — |
| Taylor Leroy #142-505-34335 | United Resources LP | Zapata, TXC.P. (Wilcox) | PluggedGas | 16,800 | Apr 24, 2001 | — | — |
| Guerra Raul #1342-505-34336 | Vantage Operating II LLC | Zapata, TXLopeno (Consolidated) | ActiveGas | 10,650 | Apr 24, 2001 | — | — |
| Martinez B. M. #642-505-34331 | Digital Operating Company LLC | Zapata, TXAcevedo (Lobo 6) | ActiveGas | 7,840 | Apr 23, 2001 | — | — |
| Gutierrez Heirs 37 #742-505-34329 | Varas Energy Operating Company | Zapata, TXUrebeno South (Wilcox 7000) | ActiveGas | 7,400 | Apr 17, 2001 | — | — |
| Volpe R. #142-505-34328 | Chevron U. S. A. Inc. | Zapata, TXWildcat | PluggedGas | 12,500 | Apr 16, 2001 | — | — |
| Haynes L. #4642-505-34156 | Merit Energy Company | Zapata, TXLos Mogotes (Wilcox Cons.) | ActiveGas | 9,400 | Apr 13, 2001 | — | — |
| BMT Martin C #142-505-34326 | Hilcorp Energy Company | Zapata, TXLa Perla (Lobo Cons.) | ActiveGas | 10,000 | Apr 12, 2001 | — | — |
| Alfonso #1842-505-34325 | Hilcorp Energy Company | Zapata, TXCharco (9900) | ActiveGas | 10,320 | Apr 10, 2001 | — | — |
| Marshall S. G. #1842-505-33283 | Chevron U. S. A. Inc. | Zapata, TXCisco-Benavides (Lobo Cons.) | PluggedGas | 12,800 | Mar 28, 2001 | — | — |
| Rathmell J. G. #1542-505-33424 | Merit Energy Company | Zapata, TXHundido (9300) | ActiveGas | 10,648 | Mar 28, 2001 | — | — |
| Mann E. E. Trust Etal #342-505-34324 | Varas Energy Operating Company | Zapata, TXLos Mogotes (Lobo 1) | Temporarily abandonedGas | 11,350 | Mar 27, 2001 | — | — |
| La Perla #159ST42-505-32845 | Hilcorp Energy Company | Zapata, TXLa Perla (Lobo Cons.) | Temporarily abandonedGas | 9,656 | Mar 26, 2001 | — | — |
| La Perla B2 #1742-505-34321 | Hilcorp Energy Company | Zapata, TXLa Perla (Lobo Cons.) | ActiveGas | 8,600 | Mar 26, 2001 | — | — |
| Bruni Mineral Trust #2242-505-34322 | Michael Petroleum Corporation | Zapata, TXLa Perla (Lobo Cons.) | Not on schedule | 11,500 | Mar 26, 2001 | — | — |
| Bruni Mineral Trust #2442-505-34323 | Calpine Natural Gas L.P. | Zapata, TXWildcat | PluggedGas | 11,500 | Mar 26, 2001 | — | — |
| Jennings J. D. #46642-505-34318 | Sue-Ann Operating L.C. | Zapata, TXJennings W. (1370) | Temporarily abandonedGas | 2,320 | Mar 23, 2001 | — | — |
| Trevino A. #242-505-34319 | STX Operating Company | Zapata, TXFandango (Wilcox Consolidated) | ActiveGas | 15,535 | Mar 23, 2001 | — | — |
| Ramirez Mineral Trust a #142-505-34317 | Hilcorp Energy Company | Zapata, TXFlores W. (Perdido) | ActiveGas | 9,171 | Mar 21, 2001 | — | — |
| Diego Gutierrez et al Gas Unit #142-505-34312 | Hilcorp Energy Company | Zapata, TXBashara-Hereford (7300) | ActiveGas | 9,100 | Mar 16, 2001 | — | — |
| Jennings Ranch C #3142-505-34314 | Hilcorp Energy Company | Zapata, TXJennings Ranch (Lobo Cons.) | ActiveGas | 12,937 | Mar 16, 2001 | — | — |
| Gutierrez B. G. #1342-505-34315 | Merit Energy Company | Zapata, TXHundido (Lobo) | ActiveGas | 10,900 | Mar 16, 2001 | — | — |
| Kinnally-Carter-Richardson #142-505-34316 | Bustamante Oil Company | Zapata, TXLopeno (Consolidated) | Temporarily abandonedGas | 11,990 | Mar 16, 2001 | — | — |
| La Perla #22042-505-34313 | Hilcorp Energy Company | Zapata, TXLa Perla (Lobo Cons.) | ActiveGas | 10,500 | Mar 15, 2001 | — | — |
| La Perla #21942-505-34311 | Hilcorp Energy Company | Zapata, TXLa Perla (Lobo Cons.) | ActiveGas | 10,400 | Mar 13, 2001 | — | — |
| Jennings Ranch C #3042-505-34308 | Hilcorp Energy Company | Zapata, TXCharco (9900) | ActiveGas | 12,434 | Mar 12, 2001 | — | — |
| Garcia A. et al Gas Unit #342-505-34309 | Hilcorp Energy Company | Zapata, TXHaynes (Hinnant Cons.) | Temporarily abandonedGas | 12,100 | Mar 12, 2001 | — | — |
| Haynes L. #6642-505-34310 | Merit Energy Company | Zapata, TXLos Mogotes (Wilcox Cons.) | ActiveGas | 14,750 | Mar 12, 2001 | — | — |
| Flores L. G. #2442-505-34307 | Hilcorp Energy Company | Zapata, TXHaynes (Middle Wilcox Cons.) | ActiveGas | 14,000 | Mar 8, 2001 | — | — |
| Bruni Mineral Trust D #142-505-34303 | Chevron U. S. A. Inc. | Zapata, TXWildcat | PluggedGas | 12,000 | Mar 7, 2001 | — | — |
| Bruni Mineral Trust D #242-505-34304 | Chevron U. S. A. Inc. | Zapata, TXWildcat | PluggedGas | 12,100 | Mar 7, 2001 | — | — |
| Serna Donata #242-505-34306 | Vantage Operating II LLC | Zapata, TXLopeno (Consolidated) | ActiveGas | 11,566 | Mar 7, 2001 | — | — |
| Sanchez-McMurrey #2442-505-34285 | OXY USA Inc. | Zapata, TXHundido (Lobo) | PluggedGas | 11,500 | Mar 6, 2001 | — | — |
| Garza L. #1542-505-34305 | Mountain V Texas LLC | Zapata, TXGarza (Consolidated) | ActiveGas | 10,650 | Mar 5, 2001 | — | — |
| Kenedy Memorial West #142-505-34302 | Chevron U. S. A. Inc. | Zapata, TXWildcat | PluggedGas | 12,500 | Mar 2, 2001 | — | — |
| Vasquez Delia M. #242-505-32877 | Hilcorp Energy Company | Zapata, TXZapata (Queen City) | Temporarily abandonedGas | 7,500 | Mar 1, 2001 | — | — |
| Sanchez- McMurrey #2142-505-34182 | Merit Energy Company | Zapata, TXHundido (Lobo) | Temporarily abandonedGas | 11,000 | Mar 1, 2001 | — | — |
| Laurel F.D. #2__42-505-34300 | — | Zapata, TXHaynes (Middle Wilcox Cons.) | Plugged | 11,500 | Mar 1, 2001 | — | — |
| Asche #5742-505-34301 | Hilcorp Energy Company | Zapata, TXCharco (9200) | ActiveGas | 10,300 | Mar 1, 2001 | — | — |
| Rathmell J. G. #2142-505-33968 | Merit Energy Company | Zapata, TXHundido (9300) | ActiveGas | 11,300 | Feb 23, 2001 | — | — |
| Bruni Mineral Trust #2642-505-34299 | Arete Operating Company II LLC | Zapata, TXLa Perla (Lobo Cons.) | ActiveGas | 11,250 | Feb 21, 2001 | — | — |
| McAskill #2542-505-34296 | Hilcorp Energy Company | Zapata, TXLa Perla (Lobo Cons.) | ActiveGas | 11,300 | Feb 13, 2001 | — | — |
| Jennings #6542-505-33261 | Devon Energy Production Co L.P. | Zapata, TXJennings W. (10 300 Wilcox) | PluggedGas | 13,000 | Feb 12, 2001 | — | — |
| Haynes L. #5142-505-34237 | Merit Energy Company | Zapata, TXLos Mogotes (Wilcox Cons.) | Temporarily abandonedGas | 10,888 | Feb 12, 2001 | — | — |
| Bruni Mineral Trust #2342-505-34295 | Calpine Natural Gas L.P. | Zapata, TXWildcat | PluggedGas | 11,500 | Feb 12, 2001 | — | — |
| 7-A Investment Ltd. #142-505-34287 | North Central Oil Corp. | Zapata, TXCharco (9200) | PluggedGas | 10,500 | Feb 9, 2001 | — | — |
| Haynes Leonard #5442-505-34289 | Merit Energy Company | Zapata, TXLos Mogotes (Wilcox Cons.) | ActiveGas | 10,600 | Feb 9, 2001 | — | — |
| Haynes Leonard #5342-505-34290 | Merit Energy Company | Zapata, TXLos Mogotes (Wilcox Cons.) | ActiveGas | 10,600 | Feb 9, 2001 | — | — |
| Canales #2242-505-34291 | Hilcorp Energy Company | Zapata, TXLa Perla (Lobo Cons.) | ActiveGas | 11,000 | Feb 9, 2001 | — | — |
| Asche #5642-505-34292 | Hilcorp Energy Company | Zapata, TXMunoz (Lobo) | ActiveGas | 12,500 | Feb 9, 2001 | — | — |