| Vaquillas Ranch Co. S.G.U. G-4-200363 | Hilcorp Energy Company | Vaquillas Ranch (Lobo Cons.) | 1 | 35.1K | 2.78M | Jan 2004 – Aug 2026 |
| Briscoe C G-1-281007 | SM Energy Company | Briscoe Ranch (Eagleford) | 1 | 35K | 635K | Apr 2022 – Aug 2026 |
| Galvan Ranch G-1-277229 | Caturus Energy, LLC | Briscoe Ranch (Eagleford) | 1 | 35K | 1.98M | Sep 2014 – May 2025 |
| Briscoe R (SA) G-1-276898 | SM Energy Company | Briscoe Ranch (Eagleford) | 1 | 35K | 1.71M | Jan 2015 – Jun 2026 |
| Piloncillo G-1-267064 | TBM Catarina, LLC | Briscoe Ranch (Eagleford) | 1 | 34.9K | 707K | Mar 2012 – Aug 2026 |
| Piloncillo G-1-267314 | TBM Catarina, LLC | Briscoe Ranch (Eagleford) | 1 | 34.9K | 793K | Apr 2012 – Jul 2018 |
| C-Bruni Mineral Trust G-4-154452 | Hilcorp Energy Company | Bashara-Hereford (7300) | 1 | 34.9K | 4.29M | May 1995 – Jun 2013 |
| Briscoe R G-1-276900 | SM Energy Company | Briscoe Ranch (Eagleford) | 1 | 34.9K | 2.09M | Jan 2015 – May 2026 |
| Huisache Cattle Company "B" G-4-264910 | Lewis Petro Properties, Inc. | Owen (Olmos) | 1 | 34.8K | 2.83M | Dec 2011 – Aug 2026 |
| Laurel "A" G-4-150887 | Columbus Energy, LLC | Cuba Libre (3RD Hinnant) | 1 | 34.8K | 1.53M | Oct 1994 – Jan 2007 |
| Briscoe R (SA) G-1-276897 | SM Energy Company | Briscoe Ranch (Eagleford) | 1 | 34.7K | 1.71M | Jan 2015 – Mar 2026 |
| Galvan Ranch G-1-272016 | Caturus Energy, LLC | Briscoe Ranch (Eagleford) | 1 | 34.7K | 3M | May 2013 – Aug 2026 |
| C-Bruni Mineral Trust G-4-147608 | Hilcorp Energy Company | La Perla (Lobo Cons.) | 1 | 34.6K | 4.28M | Dec 1993 – Aug 2026 |
| Rottersmann 472 G-4-165897 | EOG Resources, Inc. | Benavides (Lobo Cons.) | 1 | 34.5K | 2.12M | Nov 1997 – Sep 2012 |
| Galvan Ranch G-1-270014 | Caturus Energy, LLC | Briscoe Ranch (Eagleford) | 1 | 34.5K | 6.08M | Nov 2012 – Aug 2026 |
| Carr G-4-143010 | Conocophillips Company | Vaquillas Ranch (Lobo Cons.) | 1 | 34.5K | 2.88M | by Jan 1993 – Oct 2011 |
| Galvan Ranch G-1-301998 | Caturus Energy, LLC | Lorenzo (Austin Chalk) | 1 | 34.5K | 546K | Jun 2026 – Aug 2026 |
| Piloncillo G-1-266098 | TBM Catarina, LLC | Briscoe Ranch (Eagleford) | 1 | 34.5K | 455K | Jun 2011 – Dec 2016 |
| Galvan Ranch G-1-279644 | Caturus Energy, LLC | Briscoe Ranch (Eagleford) | 1 | 34.4K | 7.76M | Jan 2015 – Aug 2026 |
| Vaquillas Ranch 1627 A G-4-176265 | Three-C Oil and Gas | Vaquillas Ranch (Lobo) | 1 | 34.2K | 3.51M | Jan 2000 – May 2020 |
| Long, A. G. Heirs G-1-272773 | Lewis Petro Properties, Inc. | Briscoe Ranch (Eagleford) | 1 | 34.1K | 2.77M | Jun 2013 – Aug 2026 |
| Briscoe R G-1-267052 | SM Energy Company | Briscoe Ranch (Eagleford) | 1 | 34.1K | 1.3M | Mar 2012 – Aug 2018 |
| Leal -A- O-4-8601 | Petroleum Developments Int LLC | Malo Sueno (5550 Sand) | 1 | 34.1K | 0 | May 1994 – Oct 2023 |
| Lechenger G-4-172207 | Hilcorp Energy Company | Benavides (Lobo Cons.) | 1 | 34K | 2.29M | Jan 1999 – Aug 2026 |
| Gates 07-Dr G-1-274236 | Lewis Petro Properties, Inc. | Briscoe Ranch (Eagleford) | 1 | 33.9K | 1.05M | Jan 2014 – Aug 2026 |
| Laurel G-4-154266 | Columbus Energy, LLC | Tom Shearman (8000) | 1 | 33.9K | 1.38M | Mar 1994 – Nov 2010 |
| Gates 09 Rose a BVP G-4-274712 | Rosetta Resources Operating LP | Gates Ranch (Eagle Ford Shale) | 1 | 33.8K | 876K | May 2014 – Aug 2026 |
| Vaquillas 1646 G-4-139209 | Three-C Oil and Gas | Vaquillas Ranch (Lobo) | 1 | 33.8K | 1.86M | by Jan 1993 – Apr 2023 |
| Vergara G-4-156483 | Hilcorp Energy Company | Vaquillas Ranch (Lobo Cons.) | 1 | 33.8K | 3.15M | Sep 1995 – Dec 2019 |
| Galvan Ranch G-1-263675 | Caturus Energy, LLC | Briscoe Ranch (Eagleford) | 1 | 33.8K | 3.52M | Oct 2011 – Aug 2026 |
| Gates 09 Rose a BVP G-4-270292 | Rosetta Resources Operating LP | Gates Ranch (Eagle Ford Shale) | 1 | 33.7K | 552K | May 2013 – Mar 2014 |
| BMT/K&H G-4-177527 | Mountain V Texas, LLC | Zwebb (10350) | 1 | 33.7K | 8.58M | May 2000 – Aug 2026 |
| Vergara 1680 G-4-180512 | Hilcorp Energy Company | Vaquillas Ranch (Lobo Cons.) | 1 | 33.7K | 2.04M | Dec 2000 – Aug 2016 |
| BMT G-4-183271 | Hilcorp Energy Company | B.M.T. (Lobo Cons.) | 1 | 33.7K | 3.1M | Jun 2001 – Dec 2018 |
| Perez, Amado O-4-13904 | Wallis Energy, Inc. | Malo Sueno (5550 Sand) | 11 | 33.6K | 0 | Jan 2016 – Jun 2026 |
| Cabezon G-4-245457 | Mountain V Texas, LLC | Zwebb (10350) | 1 | 33.6K | 1.46M | Nov 2007 – Jun 2026 |
| Huisache Cattle Company "B" G-4-270713 | Lewis Petro Properties, Inc. | Owen (Olmos) | 1 | 33.6K | 2.64M | Nov 2012 – Aug 2026 |
| Briscoe G G-1-271114 | SM Energy Company | Briscoe Ranch (Eagleford) | 1 | 33.5K | 441K | Jan 2013 – Aug 2026 |
| Union Ranch G-4-186078 | Mountain V Texas, LLC | Tiffany (Wilcox Carrizo) | 1 | 33.4K | 5.2M | Nov 2001 – Aug 2026 |
| Briscoe R GU6 State G-1-281131 | SM Energy Company | Briscoe Ranch (Eagleford) | 1 | 33.4K | 1.85M | Aug 2017 – Aug 2026 |
| Lundell G-4-146217 | Hilcorp Energy Company | Vaquillas Ranch (Lobo Cons.) | 1 | 33.3K | 3.22M | May 1993 – Aug 2026 |
| Briscoe B G-1-260521 | SM Energy Company | Briscoe Ranch (Eagleford) | 1 | 33.3K | 487K | Apr 2011 – May 2021 |
| Carr G-4-148143 | Hilcorp Energy Company | Vaquillas Ranch (Lobo Cons.) | 1 | 33.2K | 5.6M | Jan 1994 – Aug 2026 |
| Gates 07-Dr G-1-274237 | Lewis Petro Properties, Inc. | Briscoe Ranch (Eagleford) | 1 | 33.1K | 955K | Jan 2014 – Aug 2026 |
| Galvan Ranch G-1-281758 | Caturus Energy, LLC | Briscoe Ranch (Eagleford) | 1 | 33.1K | 3.15M | Nov 2016 – Aug 2026 |
| El Gato "A" G-4-143354 | Marwell Petroleum Ltd Partnrship | Belle Jeffers, East (Lobo) | 1 | 33.1K | 6.98M | by Jan 1993 – Jan 2006 |
| B.M.T. G-4-179510 | Hilcorp Energy Company | B.M.T. (Lobo Cons.) | 1 | 33.1K | 2.76M | Aug 2000 – Aug 2026 |
| Leyendecker-Hunter 1377 GU G-1-270798 | Lewis Petro Properties, Inc. | Hawkville (Eagleford Shale) | 1 | 33K | 859K | Aug 2012 – Aug 2026 |
| C-Bruni Mineral Trust G-4-147241 | Hilcorp Energy Company | La Perla (Lobo Cons.) | 1 | 33K | 2.38M | Nov 1993 – Aug 2026 |
| Galvan Ranch G-1-282884 | Caturus Energy, LLC | Briscoe Ranch (Eagleford) | 1 | 33K | 3.59M | May 2018 – Aug 2026 |