| Minatra "B" O-11-65845 | Swjn Oil Company only | Sharon Ridge (1700) | Mitchell | 4 | 36.2K | 145 | by Jan 1993 – Aug 2026 |
| Piloncillo G-1-268883 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 36.1K | 390K | Dec 2012 – Aug 2026 |
| Briscoe Cochina West Ranch G-1-279086 | Javelin Energy Partners Mgmt LLC only | Ammann (Buda) | Dimmit | 1 | 36.1K | 163K | Jan 2014 – Oct 2017 |
| Boston Texas Land & Trust G-4-284804 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 36K | 1.08M | Apr 2018 – Aug 2026 |
| Slick, T. B. Estate G-4-173140 | Fina Oil & Chemical Company only | Borosa, S. (Vicksburg 5) | Starr | 1 | 36K | 188K | Jun 1998 – Feb 2000 |
| Wilson, J. N. O-1-2189 | Production Resources, Inc. only | Taylor-Ina | Medina | 23 | 35.9K | 29 | by Jan 1993 – Aug 2026 |
| Briscoe Catarina West G-1-284756 | Javelin Energy Partners Mgmt LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 35.8K | 328K | Sep 2017 – Aug 2026 |
| Jewels Unit A G-3-296199 | Kaler Energy Corp. only | League City, West (Anomalina) | Galveston | 1 | 35.8K | 2.9M | Feb 2024 – Aug 2026 |
| Piloncillo G-1-270262 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 35.7K | 228K | Apr 2013 – Jul 2026 |
| King Ranch Tijerina G-4-278070 | EOG Resources, Inc. only | T-C-B (Vxbg Consolidated) | Kleberg | 1 | 35.6K | 1.26M | Aug 2015 – Dec 2021 |
| Jimmy-Frank Unit O-1-13750 | Pedeco, Inc. only | Marcelina Creek (Austin Chalk) | Wilson | 1 | 35.6K | 3.99K | Jun 1993 – Jan 1999 |
| Canales, A. T. G-4-153978 | Oryx Energy Company only | Tijerina-Canales-Blucher ( 8100) | Jim Wells | 1 | 35.5K | 343K | Mar 1995 – Jan 1997 |
| Norwood Heirs-Lafleur Unit O-3-25038 | Benchmark Oil & Gas Company only | Orange, North (Marginulina Sd.) | Orange | 1 | 35.4K | 0 | Feb 2007 – Sep 2008 |
| Briscoe Catarina West G-1-284145 | Javelin Energy Partners Mgmt LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 35.3K | 263K | Oct 2017 – Jul 2025 |
| Briscoe Catarina West G-1-269530 | Javelin Energy Partners Mgmt LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 35.3K | 582K | Feb 2013 – Aug 2026 |
| Dixie Mortgage-Pawelek Gas Unit G-4-206497 | STX Operating Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 35.2K | 1.99M | Nov 2004 – Aug 2026 |
| Dixie Mortgage-Pawelek Gas Unit G-4-216962 | STX Operating Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 35.1K | 2.39M | Jan 2006 – Aug 2026 |
| Piloncillo G-1-267064 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Webb | 1 | 34.9K | 707K | Mar 2012 – Aug 2026 |
| Briscoe Catarina G-1-301457 | SM Energy Company only | Lorenzo (Austin Chalk) | Dimmit | 1 | 34.9K | 229K | Mar 2026 – Aug 2026 |
| Piloncillo G-1-267314 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Webb | 1 | 34.9K | 793K | Apr 2012 – Jul 2018 |
| Briscoe Catarina West G-1-269535 | Javelin Energy Partners Mgmt LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 34.8K | 556K | Jan 2013 – Aug 2026 |
| TSL 33105/TR 53/ G-4-195589 | White Marlin Operating Co, LLC only | Encinal Channel (FB-1A, M-4) | Nueces | 1 | 34.6K | 2.71M | May 2003 – Jan 2007 |
| Schmidt, Bettye O-1-2495 | Texas Secondary Oil Corporation only | Taylor-Ina | Medina | 13 | 34.6K | 21 | by Jan 1993 – Aug 2026 |
| Brann, Regina G-4-177337 | Cantera Operating, LLC only | Jeffress (Vicksburg T) | Hidalgo | 1 | 34.5K | 5.01M | Feb 2000 – Jun 2014 |
| Briscoe Catarina G-1-301432 | SM Energy Company only | Lorenzo (Austin Chalk) | Dimmit | 1 | 34.5K | 276K | Mar 2026 – Aug 2026 |
| Piloncillo G-1-266098 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Webb | 1 | 34.5K | 455K | Jun 2011 – Dec 2016 |
| Jesuit Gas Unit G-4-246642 | Finaly Resources LLC only | Jesuit (10900) | Kleberg | 1 | 34.4K | 640K | Dec 2007 – Jun 2008 |
| Briscoe Catarina North G-1-266940 | Javelin Energy Partners Mgmt LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 34.4K | 407K | Apr 2012 – Aug 2026 |
| Dixie Mortgage-Hopkins Gas Unit G-4-64583 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 34.4K | 2.36M | by Jan 1993 – Aug 2026 |
| Wilson, J. N., -A- O-1-2948 | Klaeger Operating Company Ii,llc only | Taylor-Ina | Medina | 9 | 34.4K | 21 | by Jan 1993 – Aug 2026 |
| TSL 33105 /TR 53/ G-4-41577 | White Marlin Operating Co, LLC only | Encinal Channel (FB-a, K-2) | Nueces | 1 | 34.3K | 4.71M | by Jan 1993 – Mar 2008 |
| Briscoe Catarina West G-1-278097 | Javelin Energy Partners Mgmt LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 34.3K | 305K | Aug 2017 – Aug 2026 |
| Briscoe Catarina West G-1-286569 | Javelin Energy Partners Mgmt LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 34.3K | 576K | Sep 2018 – Apr 2024 |
| Brann, Regina G-4-176911 | Cantera Operating, LLC only | Jeffress (Vicksburg S) | Hidalgo | 1 | 34.3K | 5.53M | Mar 2000 – May 2014 |
| Boston Texas Land & Trust G-4-97088 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 34.3K | 1.74M | by Jan 1993 – Aug 2019 |
| Dixie Mortgage-Hopkins Gas Unit G-4-188022 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 34.2K | 1.45M | Apr 2002 – Aug 2026 |
| Parr, Evangelina et Al O-4-5283 | Chapco, Inc. only | Piedras Pintas Dome | Duval | 10 | 34.1K | 5 | May 1993 – Aug 2014 |
| Dixie Mortgage-Hopkins Gas Unit G-4-195073 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 34K | 1.34M | May 2003 – Aug 2026 |
| Rio Pecos O-10-35070 | Propel Energy, LLC only | Pinal Dome (Cherry Canyon) | Loving | 2 | 33.9K | 66.9K | Nov 1996 – Jul 2012 |
| Wild Bill O-10-37128 | Sabinal Energy Operating, LLC only | Almost Not (Ellenburger) | Mitchell | 2 | 33.5K | 429 | Jul 2003 – Feb 2008 |
| Briscoe Catarina West G-1-269491 | Javelin Energy Partners Mgmt LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 33.5K | 597K | Jan 2013 – Aug 2026 |
| Brann, Regina G-4-180422 | Merit Energy Company only | Jeffress, N (Vksbg, LO) | Hidalgo | 1 | 33.4K | 3.01M | Nov 2000 – Aug 2026 |
| Kallina G-3-172147 | Walter Oil & Gas Corporation only | Kacee (Cruel) | Colorado | 1 | 33.3K | 3.8M | Dec 1998 – Jan 2001 |
| Btlt B G-4-177383 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 33.3K | 1.23M | Apr 2000 – Mar 2020 |
| Salinas M. G-4-170223 | Merit Energy Company only | Jeffress, S.E. (Vicksburg T) | Hidalgo | 1 | 33.2K | 1.35M | Jun 1998 – May 2015 |
| Canales, A.T. O-4-12656 | Kerr-McGee Corporation only | Tijerina-Canales-Blucher ( 8100) | Jim Wells | 1 | 33K | 161K | Feb 1997 – Feb 1999 |
| Rod, R.J. (Bob) O-1-13881 | Sabinal Resources, Inc. only | Pearsall (Austin Chalk) | Dimmit | 1 | 32.9K | 1.5K | Aug 1994 – Mar 2012 |
| Piloncillo G-1-271867 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Webb | 1 | 32.9K | 381K | Sep 2013 – Jun 2026 |
| Hopkins, M. A. Gas Unit G-4-260651 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 32.8K | 3.21M | Dec 2010 – Aug 2026 |
| Ocker D.A. & R.L. O-1-7602 | Baylor Operating, LLC only | Marcelina Creek (Austin Chalk) | Wilson | 1 | 32.8K | 24.7K | by Jan 1993 – Mar 2016 |