| Benavides Belia R. B #15 U42-505-33351 | Varas Energy Operating Company only | ZapataHundido (9300) | ActiveGas | 10,800 | Sep 19, 2014 | 2 | Oct 2013 |
| Benavides Belia R. B #142-505-31333 | Varas Energy Operating Company only | ZapataLos Mogotes (Wilcox Cons.) | ActiveGas | 10,700 | Jun 26, 2014 | 4 | Apr 2021 |
| Rathmell J. G. #3442-505-35855 | Merit Energy Company only | ZapataHundido (9300) | ActiveGas | 10,400 | Jun 6, 2007 | 1 | Feb 2026 |
| Decarreon G. G. #1342-505-35584 | Merit Energy Company only | ZapataHundido (9300) | Temporarily abandonedGas | 10,250 | Jun 1, 2007 | 2 | Nov 2008 |
| Rathmell J. G. #3042-505-35728 | Merit Energy Company only | ZapataHundido (Lobo) | ActiveGas | 10,830 | Apr 6, 2007 | 3 | Apr 2026 |
| Jaral #142-479-37304 | Varas Energy Operating Company only | WebbWildcat | ActiveGas | 12,040 | Sep 29, 2006 | 3 | Jul 2023 |
| Benavides Trust #642-505-34773 | Merit Energy Company only | ZapataHundido (Lobo) | ActiveGas | 11,346 | Jul 14, 2005 | 2 | Apr 2026 |
| Decarreon G. G. #1142-505-33958 | Merit Energy Company only | ZapataHundido (9300) | ActiveGas | 11,200 | Aug 27, 2004 | 2 | Jul 2025 |
| Benavides Trust #842-505-34901 | Merit Energy Company only | ZapataHundido (9300) | ActiveGas | 11,200 | Jan 6, 2004 | 2 | Feb 2016 |
| Rathmell J. G. #3242-505-34831 | Merit Energy Company only | ZapataHundido (Lobo) | ActiveGas | 9,950 | Oct 20, 2003 | 2 | Apr 2026 |
| Sanchez - McMurrey #2342-505-34297 | Merit Energy Company only | ZapataM & F (Wilcox 6500) | ActiveGas | 10,900 | Aug 1, 2003 | 3 | Mar 2013 |
| Rathmell J. G. #2642-505-34298 | Merit Energy Company only | ZapataHundido (9300) | ActiveGas | 11,200 | Jun 30, 2003 | 3 | Nov 2008 |
| Martinez S B #242-505-30960 | Varas Energy Operating Company only | ZapataHundido (Lobo) | PluggedGas | 11,600 | Jan 24, 2003 | 3 | Jul 2025 |
| Benavides Belia R. C #342-505-33372 | EOG Resources Inc. only | ZapataHundido (9300) | PluggedGas | 11,650 | Jan 6, 2003 | 2 | Oct 2010 |
| Martinez S. a #342-505-30998 | Varas Energy Operating Company only | ZapataHundido (Lobo) | ActiveGas | 11,003 | Mar 21, 2002 | 3 | Apr 2026 |
| Rathmell J. G. #2742-505-34489 | Merit Energy Company only | ZapataHundido (9300) | ActiveGas | 9,720 | Mar 19, 2002 | 1 | Mar 2026 |
| Rathmell J. G. #3142-505-34490 | Merit Energy Company only | ZapataHundido (9300) | Temporarily abandonedGas | 9,675 | Mar 19, 2002 | 1 | Jul 2023 |
| Rathmell J. G. #2842-505-34467 | Merit Energy Company only | ZapataHundido (9300) | ActiveGas | 9,672 | Jan 10, 2002 | 1 | Apr 2026 |
| Rathmell J.G. #242-505-30941 | Merit Energy Company only | ZapataHundido (9300) | ActiveGas | 10,878 | Dec 19, 2001 | 3 | Apr 2026 |
| Rathmell J.G. #742-505-31645 | Merit Energy Company only | ZapataHundido (9300) | Temporarily abandonedGas | 10,800 | Dec 19, 2001 | 3 | May 2023 |
| Rathmell J. G. #342-505-30964 | Pogo Producing Company LLC only | ZapataHundido (9300) | PluggedGas | 11,300 | Dec 18, 2001 | 3 | Jan 2008 |
| Rathmell J. G. #442-505-31166 | Merit Energy Company only | ZapataHundido (9300) | ActiveGas | 10,528 | Dec 18, 2001 | 3 | Apr 2026 |
| Talbert MM Estate #242-505-34387 | Merit Energy Company only | ZapataHundido (Lobo) | ActiveGas | 11,020 | Oct 2, 2001 | 2 | Apr 2026 |
| Rathmell J. G. #2942-505-34401 | Merit Energy Company only | ZapataHundido (9300) | Temporarily abandonedGas | 9,511 | Aug 14, 2001 | 1 | Nov 2008 |
| Rathmell J. G. #1542-505-33424 | Merit Energy Company only | ZapataHundido (9300) | ActiveGas | 10,648 | Mar 28, 2001 | 2 | Oct 2014 |
| Rathmell J. G. #2142-505-33968 | Merit Energy Company only | ZapataHundido (9300) | ActiveGas | 11,300 | Feb 23, 2001 | 2 | Nov 2014 |
| Sanchez-McMurrey #2042-505-33999 | Merit Energy Company only | ZapataHundido (Lobo) | ActiveGas | 11,004 | Feb 6, 2001 | 2 | Apr 2026 |
| Rathmell J. G. #2242-505-34000 | Merit Energy Company only | ZapataHundido (Lobo) | ActiveGas | 10,650 | Jan 29, 2001 | 2 | Apr 2026 |
| Rathmell J. G. #2542-505-34077 | Merit Energy Company only | ZapataHundido (Lobo) | ActiveGas | 10,600 | Jan 29, 2001 | 2 | Apr 2026 |
| Rathmell J. G. #2342-505-34078 | Merit Energy Company only | ZapataHundido (Lobo) | ActiveGas | 10,700 | Sep 27, 2000 | 2 | Apr 2026 |
| Decarreon G. G. #1242-505-34076 | Merit Energy Company only | ZapataHundido (Lobo) | ActiveGas | 10,700 | Sep 18, 2000 | 2 | Apr 2026 |
| Rathmell J. G. #1742-505-33679 | Merit Energy Company only | ZapataHundido (9300) | ActiveGas | 10,610 | Aug 31, 2000 | 2 | Mar 2015 |
| McMurrey- Talbert #242-505-34163 | North Central Oil Corp. only | ZapataHundido (Lobo) | PluggedGas | 13,000 | Jun 29, 2000 | 2 | Mar 2002 |
| Gutierrez B. G. #342-505-31061 | Merit Energy Company only | ZapataLos Mogotes North (Wilcox 7700) | ActiveGas | 11,000 | Apr 19, 2000 | 2 | Apr 2026 |
| Benavides Belia R. B #1042-505-33146 | Varas Energy Operating Company only | ZapataHundido (Lobo) | ActiveGas | 10,550 | Mar 17, 2000 | 2 | Sep 2024 |
| Benavides Belia R. B #542-505-31607 | Varas Energy Operating Company only | ZapataHundido (9300) | ActiveGas | 10,881 | Mar 16, 2000 | 3 | Apr 2026 |
| Rathmell J. G. #2042-505-33969 | Merit Energy Company only | ZapataHundido (9300) | ActiveGas | 11,350 | Feb 16, 2000 | 2 | Apr 2007 |
| Benavides Belia R. B #842-505-32954 | Varas Energy Operating Company only | ZapataHundido (9300) | ActiveGas | 10,575 | Feb 15, 2000 | 2 | Apr 2026 |
| Decarreon G. G. #1042-505-33739 | Merit Energy Company only | ZapataHundido (9300) | ActiveGas | 10,800 | Nov 9, 1999 | 2 | Jun 2025 |
| Rathmell J. G. #1642-505-33674 | Merit Energy Company only | ZapataHundido (9300) | ActiveGas | 10,750 | Apr 22, 1999 | 2 | Apr 2026 |
| Rathmell J. G. #1342-505-33226 | Merit Energy Company only | ZapataHundido (Lobo) | ActiveGas | 10,700 | Apr 13, 1999 | 2 | Apr 2026 |
| Rathmell J. G. #1842-505-33682 | Merit Energy Company only | ZapataHundido (Lobo) | ActiveGas | 10,510 | Feb 25, 1999 | 2 | Apr 2026 |
| Sanchez-McMurrey #1942-505-33694 | Merit Energy Company only | ZapataHundido (9300) | ActiveGas | 11,700 | Feb 25, 1999 | 3 | Apr 2014 |
| Sanchez-McMurrey #942-505-32995 | Merit Energy Company only | ZapataHundido (9300) | ActiveGas | 10,890 | Feb 22, 1999 | 2 | Sep 2012 |
| Sanchez-McMurrey #1742-505-33541 | Merit Energy Company only | ZapataHundido (9300) | ActiveGas | 11,700 | Oct 17, 1997 | 2 | Apr 2026 |
| Decarreon G. G. #942-505-33243 | Merit Energy Company only | ZapataHundido (9300) | Temporarily abandonedGas | 10,500 | Oct 3, 1997 | 2 | Oct 2014 |
| Decarreon G. G. #242-505-31170 | Merit Energy Company only | ZapataHundido (Lobo) | ActiveGas | 10,700 | Sep 29, 1997 | 3 | Apr 2026 |
| Gutierrez B. G. #742-505-32970 | Merit Energy Company only | ZapataHundido (Lobo) | ActiveGas | 10,900 | Sep 29, 1997 | 2 | Apr 2026 |
| Rathmell J.G. #142-505-30468 | Merit Energy Company only | ZapataHundido (Lobo) | ActiveGas | 10,800 | Apr 22, 1997 | 1 | Apr 2026 |
| Rathmell J. G. #942-505-33015 | Merit Energy Company only | ZapataHundido (9300) | ActiveGas | 10,700 | Apr 8, 1997 | 3 | Apr 2026 |