| Briscoe Catarina East GU1 G-1-280411 | SM Energy Company only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 58.8K | 518K | Feb 2015 – Jun 2025 |
| Briscoe Catarina AC G-1-299236 | Rosewood Resources, Inc. only | Lorenzo (Austin Chalk) | Dimmit | 1 | 58.8K | 425K | May 2025 – Aug 2026 |
| State Tract #1 G-3-180385 | Legend Natural Gas II, LP only | Nassau Bay (Anomalina) | Harris | 1 | 58.7K | 5.74M | Oct 2000 – Apr 2007 |
| Boston Texas Land & Trust G-4-272974 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 58.6K | 3.65M | Mar 2014 – Aug 2026 |
| Piloncillo G-1-269176 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Webb | 1 | 58.5K | 777K | Nov 2012 – Aug 2026 |
| McAllen Fieldwide Unit G-4-162849 | Totalfinaelf E&P USA Inc only | Belle Ferguson (Lo. Frio Cons.) | Hidalgo | 1 | 58.4K | 3.93M | Apr 1997 – Dec 2002 |
| Briscoe Catarina Ranch G-1-267388 | Javelin Energy Partners Mgmt LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 58.4K | 726K | May 2012 – Aug 2026 |
| Briscoe Catarina North G-1-277914 | Javelin Energy Partners Mgmt LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 58.3K | 643K | Jun 2017 – Aug 2026 |
| Boston Texas Land & Trust G-4-270804 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 58.3K | 2.31M | Aug 2013 – Aug 2026 |
| Piloncillo G-1-267231 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Webb | 1 | 58.3K | 790K | Nov 2011 – Jan 2019 |
| Briscoe Catarina North G-1-280777 | Javelin Energy Partners Mgmt LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 58.3K | 590K | Apr 2016 – Feb 2026 |
| Piloncillo G-1-275225 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Webb | 1 | 58.3K | 1.59M | Aug 2015 – Aug 2026 |
| Furina O-10-51759 | Ring Energy, Inc. only | Block a-34 (San Andres) | Andrews | 1 | 58.2K | 82.4K | Oct 2018 – Aug 2026 |
| Piloncillo G-1-269771 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 58.1K | 355K | May 2013 – Aug 2026 |
| Melvina O-11-68953 | Halliburton Operating Company only | Long-Hall (Tannehill) | Kent | 1 | 58.1K | 3.28K | May 2006 – May 2009 |
| Piloncillo G-1-270705 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 58.1K | 373K | May 2013 – Aug 2026 |
| Piloncillo G-1-271151 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 58K | 630K | Jun 2013 – Aug 2026 |
| Johnson, C. G. Gas Unit G-4-269591 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 58K | 3.28M | Mar 2013 – Aug 2026 |
| Bell G-4-200532 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 58K | 1.4M | Feb 2004 – Aug 2026 |
| Dixie Mortgage-Hopkins Gas Unit G-4-271790 | Merit Energy Company only | Javelina ( 5,400) | Hidalgo | 1 | 57.7K | 25.2K | May 2017 – Aug 2026 |
| Briscoe Catarina West G-1-269533 | Javelin Energy Partners Mgmt LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 57.6K | 733K | Jan 2013 – Oct 2025 |
| Briscoe Catarina South G-1-284183 | Javelin Energy Partners Mgmt LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 57.4K | 972K | Dec 2017 – Aug 2026 |
| Jendrusch, A. K. Gas Unit G-4-270558 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 57.3K | 4.06M | Aug 2013 – Aug 2023 |
| Piloncillo G-1-283056 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 57.3K | 682K | May 2017 – Aug 2026 |
| Briscoe Catarina West G-1-294347 | Javelin Energy Partners Mgmt LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 57.2K | 413K | Jul 2018 – Aug 2026 |
| Kinast, Frank X. -B- O-1-7448 | Arrco Operating, LLC only | Batesville, South (Anacacho) | Zavala | 3 | 57K | 1.76K | by Jan 1993 – Aug 2026 |
| Briscoe Catarina North G-1-270591 | Javelin Energy Partners Mgmt LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 57K | 701K | Jul 2013 – Aug 2026 |
| P. A. Carminati O-13-31158 | Wise Production Company only | Engle (Conglomerate 2ND) | Montague | 1 | 56.9K | 0 | Nov 2008 – Aug 2026 |
| Brann, Regina G-4-173925 | Merit Energy Company only | Jeffress (Vicksburg T) | Hidalgo | 1 | 56.9K | 6.87M | Jul 1999 – Aug 2026 |
| Wiatrek O-1-13308 | First Rock, Inc. only | Marcelina Creek (Austin Chalk) | Wilson | 2 | 56.9K | 14K | by Jan 1993 – Feb 2013 |
| Briscoe Catarina North G-1-277589 | Javelin Energy Partners Mgmt LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 56.7K | 676K | Jun 2017 – Aug 2026 |
| Piloncillo G-1-267083 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 56.7K | 879K | Jan 2012 – Aug 2026 |
| Piloncillo G-1-266962 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 56.6K | 670K | Feb 2012 – Aug 2026 |
| Piloncillo G-1-270677 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Webb | 1 | 56.4K | 1.03M | May 2013 – Aug 2026 |
| Briscoe Catarina North G-1-268483 | Javelin Energy Partners Mgmt LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 56.4K | 669K | Sep 2012 – Aug 2026 |
| Piloncillo G-1-268807 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Webb | 1 | 56.3K | 1M | Nov 2012 – Aug 2026 |
| Piloncillo G-1-271436 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Webb | 1 | 56.3K | 584K | Jul 2013 – Aug 2026 |
| Briscoe Catarina North G-1-270624 | Javelin Energy Partners Mgmt LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 56.1K | 677K | Jun 2013 – Aug 2026 |
| Hopkins, M. A. Gas Unit G-4-62253 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 56.1K | 7.15M | by Jan 1993 – Aug 2026 |
| Piloncillo G-1-270757 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 56.1K | 510K | Jun 2013 – Aug 2026 |
| Koehn "C" O-3-15080 | Basa Resources, Inc. only | Dubina, South (9080) | Colorado | 1 | 56K | 107K | by Jan 1993 – Apr 2007 |
| Briscoe Catarina North G-1-277977 | Javelin Energy Partners Mgmt LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 56K | 637K | Jun 2017 – Aug 2026 |
| Piloncillo G-1-282261 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 55.8K | 622K | Nov 2016 – Jul 2026 |
| Crawford "A" G-3-166725 | EOG Resources, Inc. only | Angelina (11,800) | Chambers | 1 | 55.6K | 2.23M | Aug 1997 – Mar 2000 |
| Briscoe Catarina West G-1-269497 | Javelin Energy Partners Mgmt LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 55.2K | 730K | Dec 2012 – Aug 2026 |
| Piloncillo G-1-269012 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Webb | 1 | 55.1K | 1.3M | Oct 2012 – Oct 2018 |
| Piloncillo G-1-269928 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 55K | 330K | May 2013 – Aug 2026 |
| Thoms O-1-12441 | First Rock, Inc. only | Marcelina Creek (Buda) | Wilson | 3 | 55K | 43.4K | by Jan 1993 – Mar 2013 |
| Hopkins, M. A. Gas Unit G-4-190227 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 54.9K | 9.28M | Jun 2002 – Aug 2026 |
| Theiss et al Gas Unit G-4-190363 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 54.8K | 2.21M | Jul 2002 – Nov 2021 |