| Benavides, Rosa V. B G-4-146534 | Hilcorp Energy Company | Benavides (Lobo Cons.) | 1 | 44.7K | 4.3M | Sep 1993 – Aug 2026 |
| Galvan Ranch G-1-268634 | Caturus Energy, LLC | Briscoe Ranch (Eagleford) | 1 | 44.6K | 3.27M | Jul 2012 – Aug 2026 |
| Benavides, Rosa V. A G-4-162234 | Hilcorp Energy Company | Benavides (Lobo Cons.) | 1 | 44.6K | 2.89M | Jan 1997 – Aug 2026 |
| Briscoe G (SA19) State G-1-302202 | SM Energy Company | Lorenzo (Austin Chalk) | 1 | 44.6K | 153K | Jun 2026 – Aug 2026 |
| Piloncillo G-1-267824 | TBM Catarina, LLC | Briscoe Ranch (Eagleford) | 1 | 44.6K | 1.49M | Jun 2012 – Aug 2026 |
| Leyendecker-Hunter 1377 G-1-268833 | Lewis Petro Properties, Inc. | Hawkville (Eagleford Shale) | 1 | 44.6K | 1.25M | Feb 2012 – Aug 2026 |
| San Ambrosia F (SA21) 15 G-1-280948 | SM Energy Company | Briscoe Ranch (Eagleford) | 1 | 44.6K | 339K | Nov 2015 – Nov 2025 |
| Galvan Ranch G-1-273229 | Caturus Energy, LLC | Briscoe Ranch (Eagleford) | 1 | 44.5K | 1.94M | Feb 2014 – Aug 2026 |
| Frost Trust 49 G-4-188049 | Hilcorp Energy Company | Vaquillas Ranch (Lobo Cons.) | 1 | 44.5K | 2.76M | Jan 2002 – Aug 2026 |
| Galvan Ranch G-1-279907 | Caturus Energy, LLC | Briscoe Ranch (Eagleford) | 1 | 44.5K | 5.59M | Jun 2015 – Aug 2026 |
| Briscoe R (SA15) G-1-285686 | SM Energy Company | Briscoe Ranch (Eagleford) | 1 | 44.5K | 1.47M | Aug 2019 – Aug 2026 |
| Briscoe GU1 State AR G-1-265460 | SM Energy Company | Briscoe Ranch (Eagleford) | 1 | 44.4K | 1.72M | Nov 2011 – Aug 2026 |
| Galvan Ranch G-1-273230 | Caturus Energy, LLC | Briscoe Ranch (Eagleford) | 1 | 44.4K | 2.15M | Feb 2014 – Aug 2026 |
| Galvan Ranch LP GU4 State G-1-277455 | SM Energy Company | Briscoe Ranch (Eagleford) | 1 | 44.3K | 3.79M | Nov 2014 – Aug 2026 |
| Rottersman G-4-146476 | Arete Operating Company II, LLC | Benavides (Lobo Cons.) | 1 | 44.3K | 2.42M | Aug 1993 – Aug 2026 |
| Briscoe G G-1-272281 | SM Energy Company | Briscoe Ranch (Eagleford) | 1 | 44.2K | 221K | Jul 2013 – Mar 2019 |
| Galvan Ranch G-1-273259 | Caturus Energy, LLC | Briscoe Ranch (Eagleford) | 1 | 44.2K | 2.26M | Feb 2014 – Aug 2026 |
| C-Bruni Mineral Trust G-4-135182 | Hilcorp Energy Company | Bashara-Hereford (7300) | 1 | 43.9K | 7.41M | by Jan 1993 – Aug 2026 |
| Briscoe G G-1-281081 | SM Energy Company | Briscoe Ranch (Eagleford) | 1 | 43.9K | 722K | Jul 2016 – Aug 2026 |
| Benavides, Rosa V. D1 G-4-157724 | Hilcorp Energy Company | Benavides (Lobo Cons.) | 1 | 43.9K | 4.1M | Feb 1996 – May 2024 |
| Galvan Ranch G-1-263175 | Caturus Energy, LLC | Briscoe Ranch (Eagleford) | 1 | 43.8K | 2.53M | Jun 2011 – Jul 2026 |
| Las Raices Ranch G-4-261697 | XTO Energy Inc. | Gates Ranch (Eagle Ford Shale) | 1 | 43.8K | 1.8M | Apr 2011 – May 2022 |
| Briscoe R (SA23) G-1-288067 | SM Energy Company | Briscoe Ranch (Eagleford) | 1 | 43.7K | 3.83M | Mar 2021 – Aug 2026 |
| Long, A. G. Heirs 'A' G-1-272975 | Lewis Petro Properties, Inc. | Briscoe Ranch (Eagleford) | 1 | 43.7K | 2M | Jun 2013 – Aug 2026 |
| San Ambrosia F (SA) 12 G-1-281008 | SM Energy Company | Briscoe Ranch (Eagleford) | 1 | 43.7K | 379K | Nov 2015 – May 2026 |
| Piloncillo G-1-281473 | TBM Catarina, LLC | Briscoe Ranch (Eagleford) | 1 | 43.7K | 1.28M | Apr 2016 – Aug 2026 |
| Gates 11-Dr G-1-278947 | Lewis Petro Properties, Inc. | Briscoe Ranch (Eagleford) | 1 | 43.6K | 1.78M | May 2015 – Aug 2026 |
| Briscoe G G-1-269605 | SM Energy Company | Briscoe Ranch (Eagleford) | 1 | 43.6K | 577K | Sep 2012 – Aug 2026 |
| Piloncillo G-1-268495 | TBM Catarina, LLC | Briscoe Ranch (Eagleford) | 1 | 43.4K | 935K | Sep 2012 – Aug 2026 |
| Gates 11-Dr G-1-276253 | Lewis Petro Properties, Inc. | Briscoe Ranch (Eagleford) | 1 | 43.4K | 798K | Sep 2014 – Aug 2026 |
| Piloncillo G-1-271555 | TBM Catarina, LLC | Briscoe Ranch (Eagleford) | 1 | 43.3K | 435K | Sep 2013 – Aug 2026 |
| Briscoe R G-1-285801 | SM Energy Company | Briscoe Ranch (Eagleford) | 1 | 43.3K | 1.88M | Oct 2018 – Aug 2026 |
| Gates 07-Dr G-1-274615 | Lewis Petro Properties, Inc. | Briscoe Ranch (Eagleford) | 1 | 43.3K | 865K | Mar 2014 – Jul 2026 |
| Piloncillo G-1-270574 | TBM Catarina, LLC | Briscoe Ranch (Eagleford) | 1 | 43.1K | 776K | Feb 2013 – Aug 2026 |
| Gates 07-Dr G-1-275448 | Lewis Petro Properties, Inc. | Briscoe Ranch (Eagleford) | 1 | 43.1K | 1.23M | Jul 2014 – Aug 2026 |
| Martinez, D.S. G-4-163520 | Columbus Energy, LLC | Clark Ranch (Lobo) | 1 | 43K | 3.52M | Jun 1997 – Sep 2024 |
| Gates 11-Dr G-1-278926 | Lewis Petro Properties, Inc. | Briscoe Ranch (Eagleford) | 1 | 43K | 980K | May 2015 – Aug 2026 |
| Gates 07-Dr GU CC G-1-276971 | Lewis Petro Properties, Inc. | Briscoe Ranch (Eagleford) | 1 | 43K | 987K | Oct 2014 – Aug 2026 |
| Galvan Ranch G-1-283352 | Caturus Energy, LLC | Briscoe Ranch (Eagleford) | 1 | 43K | 7.16M | Oct 2022 – Aug 2026 |
| Vaquillas Ranch A1 G-4-158590 | Hilcorp Energy Company | Vaquillas Ranch (Lobo Cons.) | 1 | 43K | 4.04M | May 1996 – Aug 2026 |
| Long, A. G. Heirs 'A' G-1-293044 | Lewis Petro Properties, Inc. | Briscoe Ranch (Eagleford) | 1 | 42.9K | 1.63M | May 2022 – Aug 2026 |
| Briscoe R (SA20) State G-1-286211 | SM Energy Company | Briscoe Ranch (Eagleford) | 1 | 42.9K | 4.2M | Nov 2018 – Aug 2026 |
| Vergara-Rayzor Gas Unit G-4-130151 | Hilcorp Energy Company | Vaquillas Ranch (Lobo Cons.) | 1 | 42.9K | 2.25M | by Jan 1993 – Aug 2026 |
| Vaquillas Ranch A1 G-4-150933 | Hilcorp Energy Company | Vaquillas Ranch (Lobo Cons.) | 1 | 42.8K | 2.75M | Aug 1994 – Aug 2026 |
| Bruni Minerals Trust "a" Gas Ut. G-4-174745 | Killam Oil Co., Ltd. | B.M.T. (Lobo Cons.) | 1 | 42.8K | 3.08M | Oct 1999 – Aug 2026 |
| Piloncillo G-1-283866 | TBM Catarina, LLC | Briscoe Ranch (Eagleford) | 1 | 42.8K | 932K | Aug 2017 – Aug 2026 |
| Martinez, D.S. G-4-162129 | Columbus Energy, LLC | Bashara-Hereford (7300) | 1 | 42.7K | 3.93M | Jan 1997 – Aug 2026 |
| John Garner Ranch G-4-262502 | EOG Resources, Inc. | Gates Ranch (Eagle Ford Shale) | 1 | 42.4K | 703K | Aug 2011 – Jul 2023 |
| Dawson 1352 G-1-291354 | Lewis Petro Properties, Inc. | Hawkville (Eagleford Shale) | 1 | 42.3K | 2.81M | Jul 2021 – Aug 2026 |
| El Gato G-4-100525 | Hilcorp Energy Company | El Gato (Lobo) | 1 | 42.2K | 7.69M | by Jan 1993 – Aug 2026 |