| Haynes, L. G-4-202302 | Merit Energy Company only | Los Mogotes (Wilcox Cons.) | Zapata | 1 | 21K | 2.39M | Jun 2004 – Apr 2026 |
| Haynes, L. G-4-197014 | Merit Energy Company only | Los Mogotes (Wilcox Cons.) | Zapata | 1 | 17.3K | 2.14M | Aug 2003 – Mar 2020 |
| Haynes, L. G-4-194408 | Merit Energy Company only | Los Mogotes (Wilcox Cons.) | Zapata | 1 | 17K | 4.57M | Mar 2003 – Apr 2026 |
| Haynes, L. G-4-191691 | Merit Energy Company only | Los Mogotes (Wilcox Cons.) | Zapata | 1 | 12.3K | 3.94M | Nov 2002 – Apr 2026 |
| Benavides Trust G-4-193953 | Merit Energy Company only | Los Mogotes (Wilcox Cons.) | Zapata | 1 | 11.7K | 2.38M | Feb 2003 – Apr 2026 |
| Haynes, L. G-4-207112 | Merit Energy Company only | Los Mogotes (Wilcox Cons.) | Zapata | 1 | 11.3K | 3.18M | Dec 2004 – Apr 2026 |
| Haynes, L. G-4-245660 | Merit Energy Company only | Los Mogotes (Wilcox Cons.) | Zapata | 1 | 7.94K | 1.34M | Jun 2008 – Apr 2026 |
| Haynes, L. G-4-199934 | Merit Energy Company only | Los Mogotes (Wilcox Cons.) | Zapata | 1 | 7.09K | 1.73M | Feb 2004 – Apr 2026 |
| Haynes, Leonard G-4-130482 | Merit Energy Company only | Los Mogotes (Wilcox Cons.) | Zapata | 1 | 6.98K | 7.33M | Jan 1993 – Apr 2026 |
| Haynes, L. G-4-206495 | Merit Energy Company only | Los Mogotes (Wilcox Cons.) | Zapata | 1 | 6.95K | 1.65M | Nov 2004 – May 2012 |
| Neel, Bess M. G-4-147497 | Merit Energy Company only | Los Mogotes (Wilcox Cons.) | Zapata | 1 | 6.86K | 1.57M | Dec 1993 – Sep 2025 |
| Haynes, L. G-4-208219 | Merit Energy Company only | Los Mogotes (Wilcox Cons.) | Zapata | 1 | 6.81K | 960K | Nov 2004 – Apr 2026 |
| Haynes, L. G-4-214105 | Merit Energy Company only | Los Mogotes (Wilcox Cons.) | Zapata | 1 | 6.35K | 1.37M | Oct 2005 – May 2017 |
| F. G. G. Ranches G-4-139723 | Merit Energy Company only | Los Mogotes (Wilcox Cons.) | Zapata | 1 | 6.32K | 2.08M | Jan 1993 – Apr 2026 |
| Haynes, L. G-4-228891 | Merit Energy Company only | Los Mogotes (Wilcox Cons.) | Zapata | 1 | 5.48K | 1.5M | Aug 2006 – Apr 2026 |
| Haynes, L. G-4-239555 | Merit Energy Company only | Los Mogotes (Wilcox Cons.) | Zapata | 1 | 5.37K | 1.19M | Apr 2008 – Apr 2026 |
| Haynes, Leonard G-4-179299 | Merit Energy Company only | Los Mogotes (Wilcox Cons.) | Zapata | 1 | 4.9K | 2.52M | Sep 2000 – Apr 2022 |
| Haynes, L. G-4-236586 | Merit Energy Company only | Los Mogotes (Wilcox Cons.) | Zapata | 1 | 4.54K | 1.13M | Mar 2008 – Apr 2026 |
| Haynes, L. G-4-255614 | Merit Energy Company only | Los Mogotes (Wilcox Cons.) | Zapata | 1 | 4.35K | 1.22M | Apr 2010 – Apr 2026 |
| Benavides-Vergara Unit G-4-209451 | Merit Energy Company only | Los Mogotes (Wilcox Cons.) | Zapata | 1 | 4.35K | 3.41M | Jan 2005 – Apr 2026 |
| Haynes, L. G-4-192316 | Merit Energy Company only | Los Mogotes (Wilcox Cons.) | Zapata | 1 | 4.32K | 3.53M | Nov 2002 – Apr 2026 |
| Haynes, Leonard G-4-117516 | Merit Energy Company only | Los Mogotes (Wilcox Cons.) | Zapata | 1 | 4.28K | 3.94M | Jan 1993 – Apr 2026 |
| Haynes, L. G-4-235816 | Merit Energy Company only | Los Mogotes (Wilcox Cons.) | Zapata | 1 | 4.26K | 1.64M | Jan 2008 – Apr 2026 |
| Haynes, L. G-4-285435 | Merit Energy Company only | Los Mogotes (Wilcox Cons.) | Zapata | 1 | 4.18K | 517K | May 2018 – Apr 2026 |
| Haynes, L. G-4-186757 | Merit Energy Company only | Los Mogotes (Wilcox Cons.) | Zapata | 1 | 4.06K | 1.6M | Dec 2001 – Sep 2005 |
| Haynes, L. G-4-200995 | Merit Energy Company only | Los Mogotes (Wilcox Cons.) | Zapata | 1 | 3.97K | 3.66M | Apr 2004 – Apr 2026 |
| Haynes, L. G-4-223907 | Merit Energy Company only | Los Mogotes (Wilcox Cons.) | Zapata | 1 | 3.8K | 1.17M | Dec 2006 – Apr 2026 |
| Haynes, L. G-4-205682 | Merit Energy Company only | Los Mogotes (Wilcox Cons.) | Zapata | 1 | 3.77K | 1.82M | Nov 2004 – Apr 2026 |
| Haynes, L. G-4-204955 | Merit Energy Company only | Los Mogotes (Wilcox Cons.) | Zapata | 1 | 3.65K | 1.87M | Sep 2004 – Apr 2026 |
| Haynes, Leonard G-4-127932 | Merit Energy Company only | Los Mogotes (Wilcox Cons.) | Zapata | 1 | 3.47K | 3.29M | Jan 1993 – Apr 2026 |
| Haynes, L. G-4-222231 | Merit Energy Company only | Los Mogotes (Wilcox Cons.) | Zapata | 1 | 3.4K | 1.34M | Sep 2006 – Apr 2026 |
| Haynes, L. G-4-198145 | Merit Energy Company only | Los Mogotes (Wilcox Cons.) | Zapata | 1 | 3.14K | 3.5M | Oct 2003 – Apr 2026 |
| Haynes, L. G-4-208261 | Merit Energy Company only | Los Mogotes (Wilcox Cons.) | Zapata | 1 | 3.09K | 1.76M | Feb 2005 – Apr 2026 |
| Haynes, L. G-4-176006 | Merit Energy Company only | Los Mogotes (Wilcox Cons.) | Zapata | 1 | 3.04K | 6.68M | Jan 2000 – Apr 2026 |
| Haynes, L. G-4-249996 | Merit Energy Company only | Los Mogotes (Wilcox Cons.) | Zapata | 1 | 2.99K | 2.07M | Mar 2009 – Apr 2026 |
| Neel, Bess M. G-4-137881 | Merit Energy Company only | Los Mogotes (Wilcox Cons.) | Zapata | 1 | 2.95K | 2.89M | Jan 1993 – May 2022 |
| Haynes, L. G-4-183479 | Merit Energy Company only | Los Mogotes (Wilcox Cons.) | Zapata | 1 | 2.91K | 474K | Jul 2001 – Apr 2026 |
| Haynes, L. G-4-245500 | Merit Energy Company only | Los Mogotes (Wilcox Cons.) | Zapata | 1 | 2.86K | 1.75M | Aug 2008 – Apr 2026 |
| Haynes, L. G-4-208256 | Merit Energy Company only | Los Mogotes (Wilcox Cons.) | Zapata | 1 | 2.84K | 2.17M | Dec 2004 – Apr 2026 |
| Haynes, L. G-4-196864 | Merit Energy Company only | Los Mogotes (Wilcox Cons.) | Zapata | 1 | 2.79K | 3.17M | Sep 2003 – Apr 2026 |
| Haynes, Leonard G-4-185373 | Merit Energy Company only | Los Mogotes (Wilcox Cons.) | Zapata | 1 | 2.77K | 1.44M | Oct 2001 – Apr 2026 |
| Haynes, L. G-4-229605 | Merit Energy Company only | Los Mogotes (Wilcox Cons.) | Zapata | 1 | 2.59K | 1.62M | Aug 2006 – Apr 2026 |
| Haynes, L. G-4-208258 | Merit Energy Company only | Los Mogotes (Wilcox Cons.) | Zapata | 1 | 2.58K | 1.67M | Jan 2005 – Apr 2026 |
| Haynes, L. G-4-189427 | Merit Energy Company only | Los Mogotes (Wilcox Cons.) | Zapata | 1 | 2.57K | 3.54M | Jun 2002 – Apr 2026 |
| Haynes, L. G-4-190381 | Merit Energy Company only | Los Mogotes (Wilcox Cons.) | Zapata | 1 | 2.51K | 2.46M | Aug 2002 – Apr 2026 |
| Haynes, L. G-4-215027 | Merit Energy Company only | Los Mogotes (Wilcox Cons.) | Zapata | 1 | 2.51K | 833K | Nov 2005 – Apr 2026 |
| Haynes, L. G-4-190383 | Merit Energy Company only | Los Mogotes (Wilcox Cons.) | Zapata | 1 | 2.49K | 484K | Jul 2002 – Apr 2026 |
| Haynes, Leonard G-4-136855 | Merit Energy Company only | Los Mogotes (Wilcox Cons.) | Zapata | 1 | 2.14K | 2.67M | Jan 1993 – Apr 2026 |
| Haynes, Leonard G-4-133456 | Merit Energy Company only | Los Mogotes (Wilcox Cons.) | Zapata | 1 | 2.1K | 1.71M | Jan 1993 – Apr 2026 |
| Marshall, S. G. G-4-169607 | Chevron U. S. A. Inc. only | Los Mogotes (Wilcox Cons.) | Zapata | 1 | 2.01K | 1.21M | Jul 1998 – Jun 2007 |