| Galvan Ranch LP GU6 State G-1-276803 | SM Energy Company | Briscoe Ranch (Eagleford) | 1 | 46.8K | 4.02M | Nov 2014 – Aug 2026 |
| Garner, Tully C. G-1-257689 | Lewis Petro Properties, Inc. | Hawkville (Eagleford Shale) | 1 | 46.8K | 1.8M | Nov 2010 – Aug 2026 |
| Galvan Ranch G-1-260376 | Caturus Energy, LLC | Briscoe Ranch (Eagleford) | 1 | 46.7K | 3.67M | Apr 2011 – Apr 2026 |
| Piloncillo G-1-283957 | TBM Catarina, LLC | Briscoe Ranch (Eagleford) | 1 | 46.6K | 889K | Aug 2017 – Aug 2026 |
| Vaquillas Ranch A5 G-4-252116 | Hilcorp Energy Company | Vaquillas Ranch (Lobo Cons.) | 1 | 46.6K | 1.14M | Jul 2008 – Aug 2026 |
| Vaquillas Ranch A1 G-4-144015 | Hilcorp Energy Company | Vaquillas Ranch (Lobo Cons.) | 1 | 46.5K | 3.3M | by Jan 1993 – Aug 2026 |
| Huisache Cattle Company "B" G-4-270197 | Lewis Petro Properties, Inc. | Owen (Olmos) | 1 | 46.4K | 4.19M | Nov 2012 – Aug 2026 |
| Piloncillo G-1-269704 | TBM Catarina, LLC | Briscoe Ranch (Eagleford) | 1 | 46.3K | 681K | Dec 2012 – Aug 2026 |
| Piloncillo G-1-281893 | TBM Catarina, LLC | Briscoe Ranch (Eagleford) | 1 | 46.2K | 933K | Mar 2017 – Aug 2026 |
| Cotulla G-1-272794 | Lewis Petro Properties, Inc. | Briscoe Ranch (Eagleford) | 1 | 46.2K | 1.17M | Jul 2013 – Aug 2026 |
| Benavides, Rosa V. "D" G-4-138059 | Hilcorp Energy Company | Benavides (Lobo Cons.) | 1 | 46.1K | 1.55M | by Jan 1993 – Sep 2009 |
| Piloncillo G-1-266035 | TBM Catarina, LLC | Briscoe Ranch (Eagleford) | 1 | 46.1K | 1.03M | Apr 2012 – Jul 2019 |
| Briscoe B G-1-260439 | SM Energy Company | Briscoe Ranch (Eagleford) | 1 | 46.1K | 1.2M | Apr 2011 – Feb 2026 |
| BMT-C-Moreno Gas Unit 1 G-4-157788 | Hilcorp Energy Company | Bashara-Hereford (7300) | 1 | 46K | 6.99M | Feb 1996 – Aug 2026 |
| Galvan Ranch G-1-280692 | Caturus Energy, LLC | Briscoe Ranch (Eagleford) | 1 | 46K | 4.58M | Oct 2015 – Aug 2026 |
| Santa Elena G-4-275600 | Lewis Petro Properties, Inc. | Owen (Olmos) | 1 | 46K | 4.86M | Aug 2014 – Aug 2026 |
| Galvan Ranch G-1-270010 | Caturus Energy, LLC | Briscoe Ranch (Eagleford) | 1 | 45.9K | 5.03M | Oct 2012 – Aug 2026 |
| Las Raices Ranch G-4-265269 | XTO Energy Inc. | Gates Ranch (Eagle Ford Shale) | 1 | 45.9K | 1.26M | Mar 2012 – Aug 2026 |
| Gates 07-Dr GU DD G-1-276363 | Lewis Petro Properties, Inc. | Briscoe Ranch (Eagleford) | 1 | 45.9K | 1.22M | Oct 2014 – Aug 2026 |
| Piloncillo G-1-265402 | TBM Catarina, LLC | Briscoe Ranch (Eagleford) | 1 | 45.9K | 1.05M | Jun 2012 – Nov 2017 |
| Briscoe R (SA12) G-1-286123 | SM Energy Company | Briscoe Ranch (Eagleford) | 1 | 45.8K | 1.87M | Nov 2018 – Apr 2022 |
| Briscoe State AR G-1-273195 | SM Energy Company | Briscoe Ranch (Eagleford) | 1 | 45.7K | 2.76M | Dec 2013 – Aug 2026 |
| Galvan Ranch G-1-272470 | Caturus Energy, LLC | Briscoe Ranch (Eagleford) | 1 | 45.7K | 4.81M | Oct 2013 – Aug 2026 |
| C-Bruni Mineral Trust G-4-137342 | Chevron U. S. A. Inc. | Bashara-Hereford (7300) | 1 | 45.6K | 5.44M | by Jan 1993 – Mar 2011 |
| Gates 07-Dr G-1-268879 | Lewis Petro Properties, Inc. | Briscoe Ranch (Eagleford) | 1 | 45.6K | 921K | Oct 2012 – Aug 2026 |
| Russell-Winch G-4-143294 | Arete Operating Company, LLC | Vaquillas Ranch (Lobo Cons.) | 1 | 45.6K | 1.89M | by Jan 1993 – Jul 2026 |
| Piloncillo G-1-282617 | TBM Catarina, LLC | Briscoe Ranch (Eagleford) | 1 | 45.6K | 844K | Mar 2017 – Aug 2026 |
| Guerra, F. O-4-10155 | Three C Exploration, LLC | Mirando City | 7 | 45.4K | 153 | by Jan 1993 – Dec 2023 |
| Lechenger G-4-169839 | Hilcorp Energy Company | Benavides (Lobo Cons.) | 1 | 45.3K | 4.73M | Aug 1998 – Aug 2026 |
| Piloncillo G-1-283485 | TBM Catarina, LLC | Briscoe Ranch (Eagleford) | 1 | 45.3K | 857K | Aug 2017 – Aug 2026 |
| Barnes Estate O-4-10831 | L.T.D. Explorations Inc. | Brettchance (Middle Wilcox) | 3 | 45.3K | 24.3K | Apr 1999 – Oct 2024 |
| Galvan Ranch G-1-276886 | Caturus Energy, LLC | Briscoe Ranch (Eagleford) | 1 | 45.2K | 2.12M | Sep 2014 – Aug 2026 |
| Vergara G-4-155018 | Hilcorp Energy Company | Vaquillas Ranch (Lobo Cons.) | 1 | 45.1K | 4.06M | Jul 1995 – Aug 2026 |
| Gates 07-Dr G-1-274275 | Lewis Petro Properties, Inc. | Briscoe Ranch (Eagleford) | 1 | 45.1K | 1.02M | Jan 2014 – Aug 2026 |
| Galvan Ranch G-1-271535 | Caturus Energy, LLC | Briscoe Ranch (Eagleford) | 1 | 45.1K | 4.11M | Feb 2013 – Aug 2026 |
| De Benavides, Rosa V. O-4-8634 | Killam Oil Co., Ltd. | Cole, West | 34 | 45.1K | 21 | by Jan 1993 – Sep 2008 |
| Cotulla G-1-275027 | Lewis Petro Properties, Inc. | Briscoe Ranch (Eagleford) | 1 | 45.1K | 1.11M | Jun 2014 – Aug 2026 |
| Galvan Ranch G-1-261623 | Caturus Energy, LLC | Briscoe Ranch (Eagleford) | 1 | 45.1K | 1.88M | Jul 2011 – Aug 2026 |
| Galvan Ranch G-1-301804 | Caturus Energy, LLC | Lorenzo (Austin Chalk) | 1 | 45K | 691K | Jun 2026 – Aug 2026 |
| Briscoe R (SA25) G-1-260584 | SM Energy Company | Briscoe Ranch (Eagleford) | 1 | 45K | 1.74M | Dec 2010 – Feb 2018 |
| Bonebrake G-4-163751 | Hilcorp Energy Company | Vaquillas Ranch (Lobo Cons.) | 1 | 45K | 1.84M | Jun 1997 – Aug 2026 |
| Gates 07-Dr G-1-269986 | Lewis Petro Properties, Inc. | Briscoe Ranch (Eagleford) | 1 | 45K | 945K | Mar 2013 – Jul 2026 |
| Benavides, Rosa V. E5 G-4-160297 | Hilcorp Energy Company | Benavides (Lobo Cons.) | 1 | 45K | 1.53M | Sep 1996 – Aug 2026 |
| Vaquillas A5 G-4-142792 | Hilcorp Energy Company | Vaquillas Ranch (Lobo Cons.) | 1 | 45K | 2.93M | by Jan 1993 – May 2001 |
| Benavides, Rosa V. - E G-4-139567 | Hilcorp Energy Company | Benavides (Lobo Cons.) | 1 | 45K | 3.49M | by Jan 1993 – Aug 2026 |
| Piloncillo G-1-267803 | TBM Catarina, LLC | Briscoe Ranch (Eagleford) | 1 | 45K | 1.02M | Apr 2012 – May 2015 |
| Piloncillo G-1-284464 | TBM Catarina, LLC | Briscoe Ranch (Eagleford) | 1 | 44.9K | 813K | Aug 2017 – Apr 2026 |
| Piloncillo G-1-271045 | TBM Catarina, LLC | Briscoe Ranch (Eagleford) | 1 | 44.9K | 1.37M | May 2013 – Aug 2026 |
| Galvan Ranch G-1-271297 | Caturus Energy, LLC | Briscoe Ranch (Eagleford) | 1 | 44.8K | 4.77M | Feb 2013 – Aug 2026 |
| Briscoe G G-1-271948 | SM Energy Company | Briscoe Ranch (Eagleford) | 1 | 44.7K | 248K | Jul 2013 – Dec 2025 |