| Briscoe Catarina East G-1-272283 | SM Energy Company only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 62.6K | 838K | Aug 2013 – Aug 2026 |
| Piloncillo G-1-269002 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 62.6K | 627K | Dec 2012 – Aug 2026 |
| Theiss et al Gas Unit G-4-178201 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 62.4K | 4.05M | Jun 2000 – Jun 2026 |
| Briscoe Catarina North G-1-277825 | Javelin Energy Partners Mgmt LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 62.3K | 706K | Jun 2017 – Jul 2026 |
| Brainard G-14-269093 | Mewbourne Oil Company only | Mendota, NW. (Granite Wash) | Hemphill | 1 | 62.2K | 1.68M | Aug 2012 – Aug 2026 |
| Piloncillo G-1-282623 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Webb | 1 | 62.1K | 1.05M | Mar 2017 – Aug 2026 |
| Johnson, W.D., "2" O-10-28991 | Western Reserves Oil Company Inc only | Pinal Dome, Central (Delaware) | Loving | 2 | 62.1K | 48K | by Jan 1993 – Sep 2012 |
| Piloncillo G-1-281393 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Webb | 1 | 62K | 694K | Apr 2016 – Aug 2026 |
| Briscoe Catarina West G-1-253223 | Javelin Energy Partners Mgmt LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 61.9K | 432K | Jun 2009 – Jul 2024 |
| Piloncillo G-1-283051 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 61.9K | 771K | May 2017 – Aug 2026 |
| Briscoe Cochina East Ranch G-1-268650 | Javelin Energy Partners Mgmt LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 61.9K | 709K | Oct 2012 – Aug 2026 |
| Briscoe Catarina West G-1-277616 | Javelin Energy Partners Mgmt LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 61.8K | 603K | Jul 2017 – Aug 2026 |
| Piloncillo G-1-266468 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Webb | 1 | 61.8K | 1.47M | Sep 2011 – Jul 2026 |
| Davis, W. J. "A" G-4-257980 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 61.7K | 5.38M | Jun 2010 – Aug 2026 |
| Piloncillo G-1-280829 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Webb | 1 | 61.5K | 1.01M | Feb 2016 – Aug 2026 |
| Richmond Fee "D" 46 O-10-32983 | WPX Energy Permian, LLC only | Pinal Dome (Cherry Canyon) | Loving | 5 | 61.5K | 209K | by Jan 1993 – Jul 2016 |
| Terrell O-2-58 | Terrafina Energy, LLC only | Berclair (Vicksburg) | Goliad | 6 | 61.5K | 46.7K | by Jan 1993 – Aug 2023 |
| Baten-Taylor Unit O-3-18103 | Samson Exploration, LLC only | Angelina, N. (Frio 10969) | Chambers | 1 | 61.2K | 30.8K | by Jan 1993 – Jul 2014 |
| Piloncillo G-1-268808 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 61.1K | 736K | Oct 2012 – Aug 2026 |
| Briscoe Catarina North G-1-260879 | Javelin Energy Partners Mgmt LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 61.1K | 478K | May 2011 – Aug 2026 |
| Piloncillo G-1-283879 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Webb | 1 | 61.1K | 1.01M | Aug 2017 – Aug 2026 |
| Davis, W.J. G-4-68812 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 60.9K | 9.66M | Apr 1996 – Aug 2026 |
| Mainard, Kenneth O-6-1712 | Exxon Mobil Corporation only | Talco | Titus | 11 | 60.8K | 23 | by Jan 1993 – Jan 2012 |
| Piloncillo G-1-277280 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Webb | 1 | 60.8K | 1.12M | Feb 2015 – Aug 2026 |
| Piloncillo G-1-281090 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Webb | 1 | 60.8K | 854K | Apr 2016 – Aug 2026 |
| Briscoe Catarina Ranch G-1-267393 | Javelin Energy Partners Mgmt LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 60.7K | 1.25M | May 2012 – Aug 2026 |
| Briscoe Catarina South G-1-284230 | Javelin Energy Partners Mgmt LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 60.6K | 863K | Dec 2017 – Aug 2026 |
| Briscoe Catarina West G-1-278806 | Javelin Energy Partners Mgmt LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 60.6K | 518K | Nov 2015 – Aug 2026 |
| Briscoe Catarina North G-1-270595 | Javelin Energy Partners Mgmt LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 60.6K | 534K | Jul 2013 – Aug 2026 |
| Briscoe Cochina West Ranch G-1-278842 | Javelin Energy Partners Mgmt LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 60.5K | 365K | Dec 2017 – Aug 2026 |
| Piloncillo G-1-271786 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 60.4K | 577K | Jun 2013 – Aug 2026 |
| Briscoe Catarina West G-1-284694 | Javelin Energy Partners Mgmt LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 60.3K | 419K | Jul 2018 – Aug 2026 |
| Piloncillo G-1-282862 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Webb | 1 | 60.3K | 1.2M | Mar 2017 – Aug 2026 |
| Briscoe Catarina North G-1-270592 | Javelin Energy Partners Mgmt LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 60.3K | 624K | Jun 2013 – Aug 2026 |
| Briscoe Catarina North G-1-270625 | Javelin Energy Partners Mgmt LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 60.3K | 796K | Jul 2013 – Aug 2026 |
| Piloncillo G-1-269772 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Webb | 1 | 60.2K | 1.19M | Feb 2013 – Aug 2026 |
| Piloncillo G-1-269607 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 60.1K | 847K | Jan 2013 – Aug 2026 |
| Briscoe Catarina North G-1-277976 | Javelin Energy Partners Mgmt LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 60.1K | 695K | Jun 2017 – Aug 2026 |
| Piloncillo G-1-280905 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Webb | 1 | 59.9K | 1.93M | Dec 2015 – Aug 2026 |
| Briscoe Catarina West G-1-277650 | Javelin Energy Partners Mgmt LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 59.8K | 397K | Aug 2017 – Aug 2026 |
| Piloncillo G-1-271034 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 59.8K | 672K | Jun 2013 – Aug 2026 |
| Briscoe Catarina South G-1-273063 | Javelin Energy Partners Mgmt LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 59.6K | 732K | Apr 2014 – Aug 2026 |
| Theiss et al Gas Unit G-4-209875 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 59.5K | 2.91M | May 2005 – Aug 2026 |
| Piloncillo G-1-281003 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Webb | 1 | 59.5K | 886K | Apr 2016 – Aug 2026 |
| Piloncillo G-1-280287 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Webb | 1 | 59.4K | 2.45M | Sep 2015 – Aug 2026 |
| Piloncillo G-1-269220 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Webb | 1 | 59.4K | 1.06M | Mar 2013 – Aug 2026 |
| Briscoe Catarina South G-1-284146 | Javelin Energy Partners Mgmt LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 59.2K | 1.05M | Dec 2017 – Aug 2026 |
| Piloncillo G-1-283856 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Webb | 1 | 58.9K | 1.01M | Aug 2017 – Aug 2026 |
| Briscoe Catarina South G-1-284125 | Javelin Energy Partners Mgmt LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 58.9K | 895K | Dec 2017 – Aug 2026 |
| Briscoe Catarina North G-1-277085 | Javelin Energy Partners Mgmt LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 58.9K | 493K | Feb 2016 – Aug 2026 |