| Piloncillo G-1-271364 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Webb | 1 | 50.9K | 529K | Sep 2013 – Jul 2026 |
| Piloncillo G-1-269175 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Webb | 1 | 50.7K | 1.34M | Oct 2012 – Aug 2018 |
| Piloncillo G-1-267602 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Webb | 1 | 50.6K | 850K | Nov 2012 – Apr 2026 |
| Dzuik, Charles O-1-8231 | Sarita Energy Resources, Ltd. only | Marcelina Creek (Austin Chalk) | Wilson | 2 | 50.4K | 8.04K | by Jan 1993 – Nov 2020 |
| Piloncillo G-1-283489 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Webb | 1 | 50.4K | 850K | Aug 2017 – Aug 2026 |
| Briscoe Cochina East Ranch G-1-274650 | Anadarko E&P Onshore LLC only | Briscoe Ranch (Eagleford) | La Salle | 1 | 50.3K | 112K | Aug 2014 – Jan 2015 |
| Piloncillo G-1-282861 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Webb | 1 | 50.3K | 1.06M | Mar 2017 – Jun 2020 |
| Wilson, J. N. O-1-1722 | Rorico Oil Company only | Taylor-Ina | Medina | 10 | 50.3K | 208 | by Jan 1993 – Aug 2026 |
| Jones, Grace O-10-32825 | Austral Oil Company Incorporated only | Ina (Silurian) | Martin | 1 | 50.3K | 1.96K | by Jan 1993 – Oct 1999 |
| Piloncillo G-1-263582 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Webb | 1 | 50.3K | 900K | Mar 2011 – Apr 2026 |
| Roberts, Mollie O-13-25311 | O'Neal Oil Company only | Tina Nyce (Strawn) | Montague | 3 | 50.2K | 21 | by Jan 1993 – Aug 2026 |
| Fee O-1-14092 | First Rock, Inc. only | Marcelina Creek (Austin Chalk) | Wilson | 4 | 50.1K | 14.8K | Mar 1997 – Dec 2025 |
| Fina O-11-68020 | Sharp Image Energy, Inc. only | Jayton (Canyon Reef) | Kent | 1 | 50K | 1.07K | Dec 1998 – Oct 2002 |
| Piloncillo G-1-270882 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 50K | 578K | Mar 2013 – Aug 2026 |
| Piloncillo G-1-271337 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 49.7K | 458K | Jun 2013 – Aug 2026 |
| Hopkins, M. A. Gas Unit G-4-143612 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 49.6K | 5.56M | by Jan 1993 – Aug 2026 |
| Piloncillo G-1-271363 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 49.6K | 429K | Jun 2013 – Aug 2026 |
| Briscoe Catarina West G-1-277530 | Javelin Energy Partners Mgmt LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 49.1K | 684K | Jul 2017 – Aug 2026 |
| Piloncillo G-1-268505 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Webb | 1 | 49.1K | 1.06M | Sep 2012 – Aug 2026 |
| Brainard -177- O-14-7194 | Unbridled Resources, LLC only | Alpar-Lips (Marmaton) | Roberts | 1 | 49.1K | 110K | May 1997 – Aug 2002 |
| Reagan-Gray Unit O-2-9116 | Terrafina Energy, LLC only | Oakville | Live Oak | 1 | 49.1K | 0 | Jan 2007 – Aug 2026 |
| Piloncillo G-1-302048 | TBM Catarina, LLC only | Lorenzo (Austin Chalk) | Webb | 1 | 48.9K | 364K | Feb 2026 – Aug 2026 |
| Briscoe Catarina North G-1-268481 | Javelin Energy Partners Mgmt LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 48.7K | 431K | Sep 2012 – Aug 2026 |
| Boston Texas Land & Trust G-4-208623 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 48.7K | 1.39M | Mar 2005 – Aug 2026 |
| Briscoe Catarina South G-1-284229 | Javelin Energy Partners Mgmt LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 48.6K | 478K | Dec 2017 – Aug 2026 |
| Sinast Gas Unit G-2-223862 | Petrovybe Opco LLC only | Christmas, Deep (Wilcox 10400) | De Witt | 1 | 48.5K | 1.57M | Mar 2006 – May 2026 |
| Walter Company "C" St G-3-222123 | Ballard Exploration Company,inc. only | China (Yegua Cons.) | Jefferson | 1 | 48.5K | 789K | Feb 2006 – Feb 2012 |
| Piloncillo G-1-282615 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Webb | 1 | 48.4K | 1.27M | Mar 2017 – Aug 2026 |
| Briscoe Catarina West G-1-269496 | Javelin Energy Partners Mgmt LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 48.3K | 730K | Jan 2013 – Aug 2026 |
| Brainard 26 O-14-8501 | Axis Energy Corporation only | Horse Creek, SE. (Cleveland) | Hemphill | 1 | 48.3K | 180K | Aug 2011 – Nov 2011 |
| Hopkins, M. A. G-4-266996 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 48.1K | 3.88M | Jan 2012 – Aug 2026 |
| Piloncillo G-1-269201 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 47.9K | 707K | Feb 2013 – Aug 2026 |
| Chevron Btlt G-4-171147 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Starr | 1 | 47.8K | 3.41M | Sep 1998 – Aug 2026 |
| Piloncillo G-1-271211 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 47.8K | 505K | May 2013 – Aug 2026 |
| Boston Texas Land & Trust G-4-270878 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 47.7K | 3.08M | Oct 2013 – Aug 2026 |
| Btlt B G-4-232015 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 47.7K | 3.06M | Oct 2007 – Aug 2026 |
| Boston Texas Land & Trust G-4-271416 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 47.5K | 2.87M | Dec 2013 – Aug 2026 |
| Briscoe Cochina East Ranch G-1-254475 | Javelin Energy Partners Mgmt LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 47.5K | 312K | Sep 2009 – Oct 2017 |
| Briscoe Catarina West G-1-269536 | Javelin Energy Partners Mgmt LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 47.4K | 723K | Jan 2013 – Aug 2026 |
| Briscoe Cochina East Ranch G-1-269279 | Javelin Energy Partners Mgmt LLC only | Briscoe Ranch (Eagleford) | La Salle | 1 | 47.3K | 610K | Dec 2012 – Aug 2026 |
| Briscoe Catarina North G-1-266901 | Javelin Energy Partners Mgmt LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 47.1K | 551K | Mar 2012 – Aug 2026 |
| Farms, I. P. G-3-155697 | Atlas Operating LLC only | Chocolate Bayou (L. Anomolina) | Brazoria | 1 | 47K | 2.9M | Aug 1995 – Mar 1998 |
| Piloncillo G-1-268417 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 47K | 516K | Oct 2012 – Aug 2026 |
| Johnson Unit O-1-8823 | First Light Operating, LLC only | Marcelina Creek (Austin Chalk) | Wilson | 1 | 47K | 9.98K | by Jan 1993 – Jul 2026 |
| Piloncillo G-1-270028 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 46.9K | 585K | Jan 2013 – Aug 2026 |
| Aztec Moebius O-1-17378 | Texas Secondary Oil Corporation only | Taylor-Ina | Medina | 26 | 46.8K | 0 | Nov 2013 – Aug 2026 |
| Briscoe Catarina West G-1-278529 | Javelin Energy Partners Mgmt LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 46.8K | 230K | Jul 2017 – Aug 2026 |
| Brainard G-14-279493 | BE Anadarko II, LLC only | Lipscomb, S.E. (Cleveland) | Hemphill | 1 | 46.8K | 461K | Oct 2014 – Aug 2026 |
| Briscoe Catarina West Unit A G-1-286975 | Javelin Energy Partners Mgmt LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 46.7K | 449K | Sep 2018 – Aug 2026 |
| Piloncillo G-1-283957 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Webb | 1 | 46.6K | 889K | Aug 2017 – Aug 2026 |