| Edson Realty Company G-3-230860 | Ballard Exploration Company,inc. only | China (Yegua Cons.) | Jefferson | 1 | 65.6K | 1.69M | Nov 2006 – Sep 2014 |
| Piloncillo G-1-270541 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Webb | 1 | 65.6K | 1.35M | May 2013 – Aug 2026 |
| Piloncillo G-1-287065 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Webb | 1 | 65.6K | 938K | Oct 2018 – Aug 2026 |
| Briscoe Catarina North G-1-270651 | Javelin Energy Partners Mgmt LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 65.5K | 564K | Jun 2013 – Aug 2026 |
| Briscoe Catarina West G-1-296017 | Javelin Energy Partners Mgmt LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 65.5K | 920K | Dec 2023 – Aug 2026 |
| Briscoe Catarina North G-1-278710 | Javelin Energy Partners Mgmt LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 65.5K | 984K | Jun 2017 – Jan 2026 |
| Briscoe Catarina South G-1-284143 | Javelin Energy Partners Mgmt LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 65.4K | 1.03M | Dec 2017 – Aug 2026 |
| Dixie Mortgage-Pawelek Gas Unit G-4-242573 | STX Operating Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 65.4K | 1.51M | Oct 2008 – Aug 2026 |
| Piloncillo G-1-268503 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Webb | 1 | 65.4K | 1.64M | Oct 2012 – Aug 2026 |
| Piloncillo G-1-281051 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Webb | 1 | 65.3K | 1.1M | Feb 2016 – Aug 2026 |
| Piloncillo G-1-270104 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Webb | 1 | 65.1K | 1.23M | Mar 2013 – Aug 2026 |
| Briscoe Catarina North G-1-277682 | Javelin Energy Partners Mgmt LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 65.1K | 1.06M | Jun 2017 – Aug 2026 |
| Doss O-11-67713 | Sabinal Energy Operating, LLC only | Blackwatch (San Andres) | Gaines | 1 | 64.9K | 80.7K | Apr 1997 – May 2018 |
| Piloncillo G-1-270733 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Webb | 1 | 64.9K | 849K | Jul 2013 – Aug 2026 |
| Briscoe Catarina East GU1 G-1-280413 | SM Energy Company only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 64.9K | 415K | Feb 2015 – Sep 2021 |
| Briscoe Catarina North G-1-278006 | Javelin Energy Partners Mgmt LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 64.9K | 526K | May 2016 – Aug 2026 |
| Pharr Fieldwide Unit G-4-164196 | Fina Oil & Chemical Company only | Pharr (Hensley) | Hidalgo | 1 | 64.9K | 3.62M | Dec 1996 – Apr 1998 |
| Briscoe Catarina North G-1-270782 | Javelin Energy Partners Mgmt LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 64.7K | 739K | Jul 2013 – Aug 2026 |
| Briscoe Cochina East Ranch G-1-263648 | Javelin Energy Partners Mgmt LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 64.6K | 1.25M | Oct 2011 – Aug 2026 |
| Piloncillo G-1-282020 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 64.5K | 668K | Aug 2016 – Apr 2026 |
| Piloncillo G-1-287424 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Webb | 1 | 64.4K | 671K | Apr 2020 – Aug 2026 |
| Briscoe Catarina N Unit A G-1-274034 | Javelin Energy Partners Mgmt LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 64.4K | 710K | Jul 2014 – Feb 2020 |
| Piloncillo G-1-279170 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Webb | 1 | 64.4K | 1.87M | May 2015 – Aug 2026 |
| Hutzler "C" O-1-5883 | Klaeger Operating Company Ii,llc only | Taylor-Ina | Medina | 49 | 64.3K | 20 | by Jan 1993 – Aug 2026 |
| Ward-Wendland O-1-2155 | Texas Secondary Oil Corporation only | Taylor-Ina | Medina | 39 | 64.2K | 21 | by Jan 1993 – Aug 2026 |
| Briscoe Catarina North G-1-277975 | Javelin Energy Partners Mgmt LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 64.1K | 811K | Jun 2017 – Aug 2026 |
| Piloncillo G-1-283487 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Webb | 1 | 64K | 1.02M | Aug 2017 – Jul 2026 |
| Johnson-Cypher Gas Unit G-4-266007 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 64K | 3.83M | Jan 2012 – Aug 2026 |
| Briscoe Catarina North G-1-270545 | Javelin Energy Partners Mgmt LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 63.9K | 777K | Jul 2013 – Aug 2026 |
| Piloncillo G-1-267191 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 63.9K | 637K | Aug 2011 – Aug 2026 |
| Brainard 63 O-14-8739 | Le Norman Operating LLC only | Horsecreek N. E. (Cleveland) | Lipscomb | 1 | 63.8K | 386K | May 2012 – Sep 2015 |
| Piloncillo G-1-280314 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Webb | 1 | 63.7K | 2.81M | Sep 2015 – Aug 2026 |
| Piloncillo G-1-286432 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Webb | 1 | 63.7K | 632K | Sep 2018 – Aug 2026 |
| Theiss et al Gas Unit G-4-247901 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 63.6K | 3.3M | Jan 2009 – Aug 2026 |
| Angermiller, E.L. O-1-9893 | Petro Lions, LLC only | Taylor-Ina | Medina | 29 | 63.6K | 39 | by Jan 1993 – Aug 2026 |
| Briscoe Catarina North G-1-268482 | Javelin Energy Partners Mgmt LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 63.5K | 946K | Sep 2012 – Aug 2026 |
| Piloncillo G-1-275222 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Webb | 1 | 63.5K | 914K | Aug 2015 – Aug 2026 |
| Briscoe Catarina West G-1-269306 | Javelin Energy Partners Mgmt LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 63.1K | 710K | Feb 2013 – Aug 2026 |
| Piloncillo G-1-270060 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Webb | 1 | 63.1K | 687K | Jun 2013 – Apr 2026 |
| Piloncillo G-1-280841 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Webb | 1 | 63K | 1.82M | Dec 2015 – Aug 2026 |
| Piloncillo G-1-283006 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 63K | 749K | May 2017 – Aug 2026 |
| Briscoe Catarina North G-1-280044 | Javelin Energy Partners Mgmt LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 62.9K | 388K | Apr 2016 – Sep 2021 |
| Piloncillo G-1-282853 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Webb | 1 | 62.9K | 1.39M | Mar 2017 – Aug 2026 |
| Mina G-6-265353 | Mercury Operating, LLC only | Maydell (Woodbine) | Cherokee | 1 | 62.8K | 57.2K | Jan 2013 – Feb 2019 |
| Briscoe Catarina West G-1-269509 | Javelin Energy Partners Mgmt LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 62.7K | 883K | Dec 2012 – Aug 2026 |
| Piloncillo G-1-263876 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 62.7K | 805K | Sep 2011 – Aug 2026 |
| Briscoe Catarina West G-1-278220 | Javelin Energy Partners Mgmt LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 62.7K | 874K | Sep 2017 – Aug 2026 |
| Briscoe Catarina South G-1-284124 | Javelin Energy Partners Mgmt LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 62.6K | 836K | Dec 2017 – Aug 2026 |
| Briscoe Cochina East Ranch G-1-284301 | Javelin Energy Partners Mgmt LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 62.6K | 472K | Dec 2017 – Aug 2026 |
| Boston Texas Land & Trust G-4-180173 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 62.6K | 3.35M | Nov 2000 – Sep 2016 |