| Piloncillo G-1-278920 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 39.1K | 631K | Apr 2015 – Aug 2026 |
| Pfeil Unit O-1-18779 | Everest Resource Company only | Marcelina Creek (Buda) | Wilson | 1 | 39.1K | 0 | Nov 2013 – Oct 2019 |
| Boston Texas Land & Trust G-4-234064 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 39.1K | 1.25M | Dec 2007 – Aug 2026 |
| Aztec Wilson 'P' Unit 2 O-1-16536 | Texas Secondary Oil Corporation only | Taylor-Ina | Medina | 22 | 39K | 0 | May 2012 – Aug 2026 |
| Piloncillo G-1-269215 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Webb | 1 | 39K | 818K | Feb 2013 – Aug 2026 |
| Ledwig Oil Unit O-2-6780 | Finaly Resources LLC only | Woods Cemetary (Wilcox 6550) | De Witt | 1 | 39K | 135 | by Jan 1993 – Mar 2005 |
| Briscoe Catarina West G-1-269510 | Javelin Energy Partners Mgmt LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 38.7K | 603K | Jan 2013 – Aug 2026 |
| State Tract 132 Unit G-3-246895 | Davis Petroleum Corp. only | Umbrella Point (F-18 Anomalina) | Chambers | 1 | 38.6K | 1.38M | Feb 2009 – Jun 2010 |
| Anchor Financial G-3-119286 | Gaither Petroleum Corporation only | Deckers Prairie (Wilcox 9120) | Montgomery | 1 | 38.6K | 2.41M | by Jan 1993 – Jan 2017 |
| Gina O-10-40689 | XTO Energy Inc. only | Sallie Ann (Spraberry-Wolfcamp) | Ector | 1 | 38.6K | 46.5K | Dec 2010 – Nov 2012 |
| Btlt B G-4-268849 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 38.6K | 1.47M | Jun 2012 – Aug 2026 |
| Boston Texas Land & Trust G-4-271191 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 38.5K | 2.38M | Nov 2013 – Aug 2026 |
| Schmidt, Lenora -B- O-1-10480 | Production Resources, Inc. only | Taylor-Ina | Medina | 13 | 38.5K | 29 | by Jan 1993 – Aug 2026 |
| Briscoe Catarina North O-1-20212 | SN EF Maverick, LLC only | Briscoe Ranch (Eagleford) | Dimmit | 8 | 38.4K | 123K | Jan 2022 – Jan 2022 |
| Aztec Wilson P O-1-16279 | Texas Secondary Oil Corporation only | Taylor-Ina | Medina | 20 | 38.3K | 0 | Jan 2012 – Aug 2026 |
| Briscoe Catarina West G-1-269313 | Javelin Energy Partners Mgmt LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 38.3K | 587K | Feb 2013 – Aug 2026 |
| Dixie Mortgage-Hopkins Gas Unit G-4-169503 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 38.2K | 2.46M | Jul 1998 – Jan 2026 |
| Piloncillo G-1-268412 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Webb | 1 | 38.1K | 796K | Sep 2012 – Aug 2026 |
| Piloncillo G-1-271866 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Webb | 1 | 38.1K | 475K | Sep 2013 – Aug 2026 |
| Piloncillo G-1-275112 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Webb | 1 | 38K | 1.42M | Oct 2015 – Aug 2026 |
| Brainard G-14-279707 | BE Anadarko II, LLC only | Lipscomb, S.E. (Cleveland) | Lipscomb | 1 | 37.9K | 489K | Sep 2014 – Aug 2026 |
| Dixie Mortgage-Hopkins Gas Unit G-4-183285 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 37.8K | 2.12M | Jun 2001 – Aug 2026 |
| Neinast-Johnston Unit G-3-143181 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Washington | 1 | 37.8K | 2.68M | Feb 1993 – Aug 2026 |
| Brainard 114 O-14-8738 | Presidio Petroleum LLC only | Horsecreek N. E. (Cleveland) | Lipscomb | 1 | 37.8K | 165K | Feb 2013 – Aug 2026 |
| Briscoe Catarina East GU1 G-1-280407 | SM Energy Company only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 37.8K | 391K | Feb 2015 – Aug 2026 |
| Hopkins, M. A. Gas Unit G-4-233023 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 37.6K | 1.31M | Nov 2007 – Aug 2026 |
| Boston Texas Land & Trust G-4-215084 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 37.5K | 2.5M | Dec 2005 – Aug 2026 |
| Katrina O-10-39083 | Diamondback E&P LLC only | Spraberry (Trend Area) | Martin | 1 | 37.5K | 36.4K | Oct 2008 – May 2020 |
| Piloncillo G-1-280157 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 37.5K | 1.53M | Apr 2015 – Aug 2026 |
| Briscoe Catarina East G-1-272347 | SM Energy Company only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 37.4K | 418K | Aug 2013 – Jun 2017 |
| Centerre Bank Trustee O-10-31858 | Propel Energy, LLC only | Pinal Dome (Delaware) | Loving | 1 | 37.4K | 122K | by Jan 1993 – Sep 2012 |
| Piloncillo G-1-267822 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Webb | 1 | 37.2K | 1.23M | Jun 2012 – Jul 2026 |
| Piloncillo G-1-270261 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 37.1K | 264K | May 2013 – Aug 2026 |
| Kneupper, Ottwin O-1-7389 | First Light Operating, LLC only | Marcelina Creek (Austin Chalk) | Wilson | 1 | 37K | 8.51K | by Jan 1993 – Jun 2026 |
| Davis, W.J. G-4-198514 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 36.9K | 3.33M | Nov 2003 – Aug 2026 |
| Frost Bank G-4-211514 | Finaly Resources LLC only | Lopez, SE. (Consolidated) | Duval | 1 | 36.9K | 2.74M | Jul 2005 – Aug 2026 |
| Piloncillo G-1-271937 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 36.8K | 230K | May 2013 – Aug 2026 |
| Neinast O-10-36955 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 36.6K | 40.8K | Oct 2002 – Mar 2020 |
| Briscoe Catarina West G-1-269307 | Javelin Energy Partners Mgmt LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 36.6K | 358K | Feb 2013 – Aug 2026 |
| Boston Texas Land & Trust G-4-229338 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 36.5K | 2.94M | Jun 2007 – Aug 2026 |
| Piloncillo G-1-270756 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Webb | 1 | 36.5K | 949K | Apr 2013 – Aug 2026 |
| Piloncillo G-1-264716 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 36.4K | 479K | Jun 2011 – Jan 2019 |
| Piloncillo G-1-265393 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Webb | 1 | 36.4K | 515K | Jul 2012 – Jul 2026 |
| Piloncillo G-1-270755 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 36.4K | 256K | May 2013 – Aug 2026 |
| Ghinaudo, M. et al GU G-3-194695 | Hilcorp Energy Company only | Franks (Weiting, Consolidated) | Galveston | 1 | 36.4K | 686K | Apr 2003 – Jul 2021 |
| Theiss et al Gas Unit G-4-232959 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 36.3K | 2.97M | Sep 2007 – Aug 2026 |
| Briscoe Catarina West Unit A G-1-286439 | Javelin Energy Partners Mgmt LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 36.3K | 507K | Sep 2018 – Aug 2026 |
| Btlt G-4-240998 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Starr | 1 | 36.2K | 2.73M | Apr 2008 – Aug 2026 |
| Briscoe Catarina N Unit A G-1-274091 | Javelin Energy Partners Mgmt LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 36.2K | 308K | Jul 2014 – May 2017 |
| Piloncillo G-1-271384 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Webb | 1 | 36.2K | 438K | Sep 2013 – Aug 2026 |