| Miller, L. H. Gas Unit G-3-151805 | Hamman Oil & Refining Company only | Jennings Lake (Frio 9500) | Matagorda | 1 | 37.3K | 825K | Dec 1994 – Nov 1997 |
| Miller G-3-179882 | EOG Resources, Inc. only | Jennings Lake (Truitt C) | Matagorda | 1 | 27.1K | 677K | Sep 2000 – Jul 2003 |
| Jennings G-4-39785 | Kovar Operating, LLC only | Jennings, West (Crockett) | Zapata | 1 | 12.9K | 160K | by Jan 1993 – Jan 2012 |
| Miller, L. H. Gas Unit G-3-118943 | Hamman Oil & Refining Company only | Jennings Lake (Frio 9500) | Matagorda | 1 | 12.6K | 276K | by Jan 1993 – Jan 1996 |
| Jennings Ranch D G-4-243237 | Hilcorp Energy Company only | Jennings Ranch (Lobo Cons.) | Zapata | 1 | 9.6K | 3.43M | Jul 2008 – Aug 2026 |
| Jennings, J.D. G-4-218030 | Sue-Ann Operating, L.C. only | Jennings, West (Falcon, Lower) | Zapata | 1 | 9.57K | 7.94K | Mar 2006 – Dec 2011 |
| Laurel, O. M. Estate G-4-205580 | Hilcorp Energy Company only | Jennings Ranch (Lobo Cons.) | Zapata | 1 | 9.01K | 872K | Sep 2004 – Aug 2026 |
| Laurel Mineral Estate G-4-231304 | Hilcorp Energy Company only | Jennings Ranch (Lobo Cons.) | Zapata | 1 | 7.91K | 1.36M | Jan 2007 – Aug 2026 |
| Laurel Mineral Estate G-4-215922 | Hilcorp Energy Company only | Jennings Ranch (Lobo Cons.) | Zapata | 1 | 7.55K | 2.14M | Nov 2005 – Aug 2026 |
| Jennings G-4-198542 | Hilcorp Energy Company only | Jennings Ranch (Lobo Cons.) | Zapata | 1 | 7.45K | 1.5M | Nov 2003 – Aug 2026 |
| Jennings Ranch D G-4-177719 | Hilcorp Energy Company only | Jennings Ranch (Lobo Cons.) | Zapata | 1 | 7.37K | 2.12M | Apr 2000 – Aug 2026 |
| Laurel Mineral Estate G-4-235934 | Hilcorp Energy Company only | Jennings Ranch (Lobo Cons.) | Zapata | 1 | 6.35K | 1.12M | May 2007 – Aug 2026 |
| Laurel, O. M. Estate G-4-215501 | Hilcorp Energy Company only | Jennings Ranch (Lobo Cons.) | Zapata | 1 | 6.24K | 3.02M | Feb 2005 – Aug 2026 |
| Jennings Ranch G-4-149174 | Hilcorp Energy Company only | Jennings Ranch (Lobo Cons.) | Zapata | 1 | 5.8K | 2.78M | Apr 1994 – Aug 2026 |
| Las Ovejas-State G-4-213328 | Hilcorp Energy Company only | Jennings Ranch (Lobo Cons.) | Zapata | 1 | 5.72K | 4.46M | Mar 2005 – Aug 2026 |
| Vestring, et al Unit G-1-165951 | Jennings Exploration Company only | Cebolla (3660) | Zavala | 1 | 5.43K | 68.2K | Nov 1997 – Apr 1999 |
| Miller, J. O. Sr. G-3-130937 | Saba Energy of Texas, Inc. only | Jennings Lake (Frio 9050) | Matagorda | 1 | 5.4K | 726K | by Jan 1993 – Jun 1997 |
| Laurel, O. M. Estate G-4-229760 | Hilcorp Energy Company only | Jennings Ranch (Lobo Cons.) | Zapata | 1 | 5.29K | 3.79M | Jun 2007 – Aug 2026 |
| Bernardo Bustamante G.U. G-4-218454 | Killam Oil Co., Ltd. only | Jennings (Wilcox Consolidated) | Zapata | 1 | 4.92K | 930K | Jan 2006 – Jan 2016 |
| Jennings Ranch AA G-4-206928 | Hilcorp Energy Company only | Jennings Ranch (Lobo Cons.) | Zapata | 1 | 4.74K | 5.37M | Sep 2004 – Aug 2026 |
| Jennings-Scott G. U. G-2-220973 | C & E Operating, Inc. only | Coloma Creek, North (8300) | Calhoun | 1 | 4.57K | 41.5K | Feb 2006 – Oct 2012 |
| Jennings G-4-128722 | Hilcorp Energy Company only | Jennings (Wilcox Consolidated) | Zapata | 1 | 4.51K | 4.52M | by Jan 1993 – Mar 2026 |
| Laurel Mineral Estate G-4-230013 | Hilcorp Energy Company only | Jennings Ranch (Lobo Cons.) | Zapata | 1 | 4.44K | 1.04M | Feb 2007 – Jun 2020 |
| Laurel Mineral Estate G-4-230948 | Hilcorp Energy Company only | Jennings Ranch (Lobo Cons.) | Zapata | 1 | 4.18K | 620K | Dec 2006 – Jan 2014 |
| Paul G-8-191839 | Sojourner Drilling Corporation only | Glen Cove (Jennings) | Coleman | 1 | 4.04K | 49.6K | Sep 2002 – Nov 2012 |
| Laurel, O. M. Estate G-4-235227 | Hilcorp Energy Company only | Jennings Ranch (Lobo Cons.) | Zapata | 1 | 3.98K | 683K | Jan 2008 – Aug 2026 |
| Miller G-3-181692 | EOG Resources, Inc. only | Jennings Lake (Frio 9050) | Matagorda | 1 | 3.97K | 353K | Feb 2001 – Jul 2008 |
| Jennings G-4-197062 | Hilcorp Energy Company only | Jennings Ranch (Lobo Cons.) | Zapata | 1 | 3.95K | 519K | Aug 2003 – Aug 2026 |
| Jennings, J. D. G-4-162594 | Kovar Operating, LLC only | Jennings, W. (Queen City No. 11) | Zapata | 1 | 3.86K | 632K | Jan 1997 – May 2016 |
| Laurel, O. M. Estate G-4-208274 | Hilcorp Energy Company only | Jennings Ranch (Lobo Cons.) | Zapata | 1 | 3.73K | 2.93M | Jan 2005 – Aug 2026 |
| Laurel Mineral Estate G-4-219645 | Hilcorp Energy Company only | Jennings Ranch (Lobo Cons.) | Zapata | 1 | 3.61K | 780K | Oct 2005 – Aug 2026 |
| Jennings G-4-163529 | Hilcorp Energy Company only | Jennings (Wilcox Consolidated) | Zapata | 1 | 3.48K | 207K | Jul 1997 – Apr 2013 |
| El Refugio G-4-222007 | Hilcorp Energy Company only | Jennings Ranch (Lobo Cons.) | Zapata | 1 | 3.38K | 962K | Feb 2006 – Aug 2026 |
| El Refugio G-4-216089 | Hilcorp Energy Company only | Jennings Ranch (Lobo Cons.) | Zapata | 1 | 3.37K | 2.17M | Oct 2005 – Aug 2026 |
| Jennings Ranch D G-4-231238 | Hilcorp Energy Company only | Jennings Ranch (Lobo Cons.) | Zapata | 1 | 3.35K | 4.54M | Mar 2007 – Aug 2026 |
| Wendt Gas Unit G-3-181003 | EOG Resources, Inc. only | Jennings Lake (Truitt C) | Matagorda | 1 | 3.23K | 90.2K | Jan 2001 – Apr 2001 |
| Bernardo Bustamante G. U. G-4-216033 | Killam Oil Co., Ltd. only | Jennings (Wilcox Consolidated) | Zapata | 1 | 2.87K | 539K | Jul 2005 – Jan 2007 |
| Jennings Ranch C G-4-176914 | Hilcorp Energy Company only | Jennings Ranch (Lobo Cons.) | Zapata | 1 | 2.86K | 4.65M | Jan 2000 – Aug 2026 |
| Laurel Mineral Estate G-4-219462 | Hilcorp Energy Company only | Jennings Ranch (Lobo Cons.) | Zapata | 1 | 2.85K | 1.23M | Feb 2006 – Aug 2026 |
| Laurel, O. M. Estate G-4-213486 | Hilcorp Energy Company only | Jennings Ranch (Lobo Cons.) | Zapata | 1 | 2.79K | 619K | Sep 2005 – Aug 2026 |
| Jennings G-4-184848 | Hilcorp Energy Company only | Jennings (Wilcox Consolidated) | Zapata | 1 | 2.73K | 1.58M | Sep 2001 – Apr 2026 |
| Laurel, O. M. Estate G-4-215839 | Hilcorp Energy Company only | Jennings Ranch (Lobo Cons.) | Zapata | 1 | 2.69K | 1.01M | Oct 2005 – Aug 2026 |
| Laurel Mineral Estate G-4-209473 | Hilcorp Energy Company only | Jennings Ranch (Lobo Cons.) | Zapata | 1 | 2.58K | 641K | Dec 2004 – Aug 2026 |
| Laurel Mineral Estate G-4-215094 | Hilcorp Energy Company only | Jennings Ranch (Lobo Cons.) | Zapata | 1 | 2.42K | 2.17M | Aug 2005 – Aug 2026 |
| Laurel, O. M. Estate G-4-212478 | Hilcorp Energy Company only | Jennings Ranch (Lobo Cons.) | Zapata | 1 | 2.29K | 1.43M | Jul 2005 – Aug 2026 |
| Laurel, O. M. Estate G-4-214155 | Hilcorp Energy Company only | Jennings Ranch (Lobo Cons.) | Zapata | 1 | 2.24K | 1.26M | May 2005 – Aug 2026 |
| Jennings Ranch D G-4-191124 | Hilcorp Energy Company only | Jennings Ranch (Lobo Cons.) | Zapata | 1 | 1.98K | 2.61M | Aug 2002 – Aug 2026 |
| Laurel Mineral Estate G-4-207268 | Hilcorp Energy Company only | Jennings Ranch (Lobo Cons.) | Zapata | 1 | 1.95K | 2.76M | Jun 2004 – Aug 2026 |
| Jennings Ranch "B" G-4-104618 | Hilcorp Energy Company only | Charco (9900) | Zapata | 1 | 1.85K | 2.2M | by Jan 1993 – Aug 2026 |
| Laurel Mineral Estate G-4-229963 | Hilcorp Energy Company only | Jennings Ranch (Lobo Cons.) | Zapata | 1 | 1.78K | 1.72M | Mar 2007 – Aug 2026 |