| Killam Mineral Fee "601" G-4-148849 | Killam Oil Co., Ltd. | Villegas (Middle Wilcox 7950) | 1 | 37.7K | 1.88M | Mar 1994 – Jul 2008 |
| Briscoe R G-1-267458 | SM Energy Company | Briscoe Ranch (Eagleford) | 1 | 37.7K | 1.53M | Mar 2012 – Jul 2025 |
| Briscoe R GU3 G-1-274565 | SM Energy Company | Briscoe Ranch (Eagleford) | 1 | 37.4K | 1.67M | Jan 2014 – Aug 2026 |
| K&H Fee 'a' 1569 G-4-258945 | Killam Oil Co., Ltd. | B.M.T. (Lobo Cons.) | 1 | 37.4K | 3.14M | Aug 2006 – Aug 2026 |
| Hereford, L. M. G-4-191663 | Merit Energy Company | Laredo (Lobo) | 1 | 37.4K | 3.04M | Sep 2002 – Aug 2026 |
| Briscoe State AR G-1-277462 | SM Energy Company | Briscoe Ranch (Eagleford) | 1 | 37.4K | 3.04M | Nov 2014 – Aug 2026 |
| Galvan Ranch G-1-301997 | Caturus Energy, LLC | Lorenzo (Austin Chalk) | 1 | 37.3K | 643K | Jun 2026 – Aug 2026 |
| BMT/K&H G-4-181384 | Mountain V Texas, LLC | Zwebb (10350) | 1 | 37.2K | 6.31M | Feb 2001 – Aug 2026 |
| Piloncillo G-1-267822 | TBM Catarina, LLC | Briscoe Ranch (Eagleford) | 1 | 37.2K | 1.23M | Jun 2012 – Jul 2026 |
| B.M.T. G-4-143438 | Hilcorp Energy Company | B.M.T. (Lobo Cons.) | 1 | 37.1K | 2.21M | by Jan 1993 – Aug 2026 |
| Briscoe G GU11 State (SA) G-1-276424 | SM Energy Company | Briscoe Ranch (Eagleford) | 1 | 37.1K | 492K | Aug 2014 – Mar 2017 |
| Slator Ranch G-4-232499 | Mountain V Texas, LLC | Pok - a - Dot (8600) | 1 | 37K | 1.58M | Nov 2007 – Aug 2026 |
| Perez, Amado "C" O-4-11765 | Wallis Energy, Inc. | Malo Sueno (5550 Sand) | 2 | 36.9K | 78 | by Jan 1993 – Jul 2012 |
| Bonebrake G-4-159948 | Hilcorp Energy Company | Vaquillas Ranch (Lobo Cons.) | 1 | 36.9K | 1.05M | May 1996 – Aug 2002 |
| Gates 09 Rose B G-4-271412 | Rosetta Resources Operating LP | Gates Ranch (Eagle Ford Shale) | 1 | 36.8K | 983K | Sep 2013 – Aug 2026 |
| Lundell G-4-131282 | Hilcorp Energy Company | Vaquillas Ranch (Lobo Cons.) | 1 | 36.8K | 6M | by Jan 1993 – Aug 2026 |
| Briscoe C G-1-279649 | SM Energy Company | Briscoe Ranch (Eagleford) | 1 | 36.7K | 792K | Apr 2015 – Nov 2023 |
| B. M. T. G-4-171786 | Hilcorp Energy Company | B.M.T. (Lobo Cons.) | 1 | 36.7K | 6.68M | Nov 1998 – Aug 2026 |
| Galvan State G-1-267934 | SM Energy Company | Briscoe Ranch (Eagleford) | 1 | 36.5K | 2.45M | May 2012 – Aug 2026 |
| Galvan Ranch G-1-272478 | Caturus Energy, LLC | Briscoe Ranch (Eagleford) | 1 | 36.5K | 2.95M | Sep 2013 – Aug 2026 |
| Catto Heirs Unit #2 G-4-143155 | Killam Oil Co., Ltd. | Villegas (Middle Wilcox 7950) | 1 | 36.5K | 2.46M | by Jan 1993 – Dec 2022 |
| Piloncillo G-1-270756 | TBM Catarina, LLC | Briscoe Ranch (Eagleford) | 1 | 36.5K | 949K | Apr 2013 – Aug 2026 |
| Piloncillo G-1-265393 | TBM Catarina, LLC | Briscoe Ranch (Eagleford) | 1 | 36.4K | 515K | Jul 2012 – Jul 2026 |
| Rottersman G-4-172373 | Hilcorp Energy Company | Benavides (Lobo Cons.) | 1 | 36.3K | 3.95M | Jan 1999 – Aug 2026 |
| Benavides, Rosa V. B4 G-4-164142 | Hilcorp Energy Company | Benavides (Lobo Cons.) | 1 | 36.3K | 665K | Aug 1997 – Aug 2026 |
| Staggs G-4-214790 | Mountain V Texas, LLC | Tiffany (Wilcox Carrizo) | 1 | 36.2K | 5.59M | Dec 2005 – Aug 2026 |
| Piloncillo G-1-271384 | TBM Catarina, LLC | Briscoe Ranch (Eagleford) | 1 | 36.2K | 438K | Sep 2013 – Aug 2026 |
| Briscoe G G-1-271723 | SM Energy Company | Briscoe Ranch (Eagleford) | 1 | 36.1K | 272K | Jun 2013 – Aug 2016 |
| Lechenger G-4-171698 | Hilcorp Energy Company | Benavides (Lobo Cons.) | 1 | 36.1K | 1.88M | Jan 1999 – Jun 2026 |
| Dawson 1352 G-1-291355 | Lewis Petro Properties, Inc. | Hawkville (Eagleford Shale) | 1 | 36K | 3.22M | Jul 2021 – Aug 2026 |
| Lundell G-4-169614 | Hilcorp Energy Company | Vaquillas Ranch (Lobo Cons.) | 1 | 36K | 5.83M | Jul 1998 – Aug 2026 |
| Galvan Ranch G-1-263265 | Caturus Energy, LLC | Briscoe Ranch (Eagleford) | 1 | 36K | 1.33M | Jul 2011 – Aug 2026 |
| Lundell G-4-125036 | Hilcorp Energy Company | Vaquillas Ranch (Lobo Cons.) | 1 | 36K | 3.37M | by Jan 1993 – Aug 2026 |
| Long, A. G. Heirs 'A' G-1-293045 | Lewis Petro Properties, Inc. | Briscoe Ranch (Eagleford) | 1 | 36K | 1.43M | May 2022 – Aug 2026 |
| Pescadito State 2026/1182 G-4-263002 | Killam Oil Co., Ltd. | Umbrella, North (Lobo Cons.) | 1 | 35.9K | 1.21M | Sep 2011 – Oct 2018 |
| Benavides, Rosa V. A2 G-4-146268 | Hilcorp Energy Company | Benavides (Lobo Cons.) | 1 | 35.9K | 1.15M | Jul 1993 – Aug 2026 |
| Gates 07-Dr O-1-20659 | Lewis Petro Properties, Inc. | Lorenzo (Austin Chalk) | 2 | 35.8K | 202K | Apr 2022 – May 2022 |
| Vergara, G. B. G-4-163846 | Hilcorp Energy Company | Vaquillas Ranch (Lobo Cons.) | 1 | 35.7K | 2.41M | Jul 1997 – Aug 2026 |
| Garner, Tully C. G-4-245862 | Lewis Petro Properties, Inc. | Tom Walsh (Garner) | 1 | 35.7K | 550K | May 2008 – Aug 2026 |
| Galvan Ranch G-1-282892 | Caturus Energy, LLC | Briscoe Ranch (Eagleford) | 1 | 35.7K | 3.11M | May 2018 – Aug 2026 |
| Vaquillas Ranch 135 A G-4-158588 | Three-C Oil and Gas | Vaquillas Ranch (Lobo) | 1 | 35.6K | 2.01M | Jun 1996 – Jun 2023 |
| Lundell G-4-175452 | Hilcorp Energy Company | Vaquillas Ranch (Lobo Cons.) | 1 | 35.6K | 1.74M | Dec 1999 – Aug 2026 |
| Galvan Ranch G-1-273256 | SM Energy Company | Briscoe Ranch (Eagleford) | 1 | 35.5K | 6.55M | Dec 2013 – Feb 2020 |
| Galvan Ranch G-1-280489 | Caturus Energy, LLC | Briscoe Ranch (Eagleford) | 1 | 35.5K | 2.07M | Mar 2016 – Nov 2025 |
| Galvan Ranch G-1-279671 | Caturus Energy, LLC | Briscoe Ranch (Eagleford) | 1 | 35.4K | 6.05M | Jun 2015 – Aug 2026 |
| Galvan Ranch G-1-276701 | Caturus Energy, LLC | Briscoe Ranch (Eagleford) | 1 | 35.4K | 3.33M | Sep 2014 – Sep 2025 |
| Galvan Ranch G-1-276700 | Caturus Energy, LLC | Briscoe Ranch (Eagleford) | 1 | 35.3K | 3.71M | Sep 2014 – Aug 2026 |
| Briscoe G G-1-281185 | SM Energy Company | Briscoe Ranch (Eagleford) | 1 | 35.3K | 375K | Jul 2016 – Sep 2020 |
| Galvan Ranch G-1-265517 | Caturus Energy, LLC | Briscoe Ranch (Eagleford) | 1 | 35.1K | 1.65M | Aug 2011 – Jan 2026 |
| Briscoe R G-1-263371 | SM Energy Company | Briscoe Ranch (Eagleford) | 1 | 35.1K | 1.4M | Aug 2011 – Aug 2019 |