| Benavides, Rosa V. A1 G-4-218299 | Hilcorp Energy Company | Benavides (Lobo Cons.) | 1 | 27.5K | 1.38M | Oct 2005 – Aug 2026 |
| Dix Ranch A-1765 G-4-157756 | Hilcorp Energy Company | Dix Ranch (Lower Wilcox Lobo) | 1 | 27.5K | 3.16M | Feb 1996 – Aug 2026 |
| Las Raices Ranch G-1-257560 | XTO Energy Inc. | Hawkville (Eagleford Shale) | 1 | 27.5K | 597K | May 2010 – Dec 2010 |
| Lundell 44 G-4-181987 | Hilcorp Energy Company | Vaquillas Ranch (Lobo Cons.) | 1 | 27.5K | 1.82M | Mar 2001 – Aug 2026 |
| Briscoe R G-1-267457 | SM Energy Company | Briscoe Ranch (Eagleford) | 1 | 27.4K | 1.12M | Mar 2012 – Jun 2020 |
| Hirsch Estate No. 1954 G-4-184855 | Hilcorp Energy Company | Big Cowboy (Lobo) | 1 | 27.4K | 3.57M | Aug 2001 – Aug 2026 |
| Vaquillas Ranch G-4-219357 | Hilcorp Energy Company | Vaquillas Ranch (Lobo Cons.) | 1 | 27.3K | 1.81M | Mar 2006 – Aug 2026 |
| Dawson 360 GU G-1-268452 | Lewis Petro Properties, Inc. | Briscoe Ranch (Eagleford) | 1 | 27.3K | 2.26M | Mar 2013 – Aug 2026 |
| Leyendecker-Hunter 1377 G-1-270559 | Lewis Petro Properties, Inc. | Hawkville (Eagleford Shale) | 1 | 27.2K | 3.22M | Sep 2013 – Aug 2026 |
| Galvan Ranch G-1-281047 | Caturus Energy, LLC | Briscoe Ranch (Eagleford) | 1 | 27.2K | 3.25M | Mar 2017 – Jul 2026 |
| Moglia G-4-254895 | Varas Energy Operating Company, | Tiffany (Wilcox Carrizo) | 1 | 27.2K | 1.67M | Feb 2010 – Aug 2026 |
| K & H Fee "2042" G-4-107363 | Killam Oil Co., Ltd. | Villegas (Middle Wilcox 7950) | 1 | 27.1K | 893K | by Jan 1993 – Mar 2000 |
| Galvan Ranch G-1-270016 | Caturus Energy, LLC | Briscoe Ranch (Eagleford) | 1 | 27.1K | 953K | Nov 2012 – Aug 2026 |
| Piloncillo G-1-271868 | TBM Catarina, LLC | Briscoe Ranch (Eagleford) | 1 | 27.1K | 317K | Sep 2013 – Dec 2018 |
| Briscoe G G-1-281229 | SM Energy Company | Briscoe Ranch (Eagleford) | 1 | 27K | 595K | Jul 2016 – May 2026 |
| Piloncillo G-1-268413 | TBM Catarina, LLC | Briscoe Ranch (Eagleford) | 1 | 26.9K | 567K | Sep 2012 – Aug 2026 |
| El Gato G-4-202171 | Hilcorp Energy Company | Big Cowboy (Lobo) | 1 | 26.9K | 711K | May 2004 – Aug 2026 |
| Carr G-4-256283 | Tare Resources, LLC | Vaquillas Ranch (Lobo Cons.) | 1 | 26.9K | 1.47M | Mar 2010 – Aug 2026 |
| Villarreal G-4-177369 | Varas Energy Operating Company, | Pok - a - Dot (8600) | 1 | 26.9K | 2.58M | May 2000 – Apr 2025 |
| Briscoe R (SA) G-1-281130 | SM Energy Company | Briscoe Ranch (Eagleford) | 1 | 26.8K | 1.44M | Aug 2016 – Aug 2026 |
| Vaquillas Ranch A1 G-4-168868 | Hilcorp Energy Company | Vaquillas Ranch (Lobo Cons.) | 1 | 26.8K | 4.66M | Jun 1998 – Aug 2026 |
| Long, A. G. Heirs G-1-271585 | Lewis Petro Properties, Inc. | Briscoe Ranch (Eagleford) | 1 | 26.8K | 1.22M | Dec 2012 – Aug 2026 |
| Vela State Unit G-4-274969 | Escondido Resources Oper Co, LLC | Owen (Olmos) | 1 | 26.8K | 970K | Oct 2014 – Aug 2026 |
| Las Raices Ranch G-1-256960 | XTO Energy Inc. | Hawkville (Eagleford Shale) | 1 | 26.8K | 526K | Apr 2010 – Dec 2010 |
| Moreno, Isidro et Al G-4-137356 | Hilcorp Energy Company | Bashara-Hereford (7300) | 1 | 26.8K | 5.8M | by Jan 1993 – Aug 2026 |
| K&H 1647 G-4-126575 | Killam Oil Co., Ltd. | Vaquillas Ranch (Lobo Cons.) | 1 | 26.7K | 1.8M | by Jan 1993 – Apr 2020 |
| Mayers G-4-188875 | Arete Operating Company, LLC | Rottersman (Lobo) | 1 | 26.7K | 565K | Apr 2002 – Aug 2026 |
| Benavides, Rosa V. 1927 G-4-145723 | Three-C Oil and Gas | Benavides (Lobo Cons.) | 1 | 26.7K | 1.39M | May 1993 – Apr 2007 |
| Long, A. G. Heirs GU A G-1-275324 | Lewis Petro Properties, Inc. | Briscoe Ranch (Eagleford) | 1 | 26.7K | 2.17M | Aug 2014 – Aug 2026 |
| Galvan Ranch G-1-269252 | Caturus Energy, LLC | Briscoe Ranch (Eagleford) | 1 | 26.7K | 2.61M | May 2012 – Aug 2026 |
| Killam & Hurd Fee 1614 G-4-243701 | Killam Oil Co., Ltd. | B.M.T. (Lobo Cons.) | 1 | 26.6K | 866K | Oct 2008 – Aug 2026 |
| Williamson, Stanley H. G-4-145890 | EOG Resources, Inc. | Cinco Compadres (Lobo) | 1 | 26.6K | 4.3M | Feb 1993 – Mar 2011 |
| Vaquillas Ranch A1 G-4-159130 | Hilcorp Energy Company | Vaquillas Ranch (Lobo Cons.) | 1 | 26.6K | 3.18M | May 1996 – Aug 2026 |
| Lomt-Vaquillas G-4-263119 | Hilcorp Energy Company | Tiffany (Wilcox Carrizo) | 1 | 26.6K | 630K | Jul 2011 – Jan 2020 |
| Dawson 1352 G-1-291352 | Lewis Petro Properties, Inc. | Hawkville (Eagleford Shale) | 1 | 26.5K | 2.25M | Jul 2021 – Aug 2026 |
| Galvan Ranch G-1-279670 | Caturus Energy, LLC | Briscoe Ranch (Eagleford) | 1 | 26.5K | 4.26M | May 2015 – Aug 2026 |
| Roseberry, D. L. G-4-162340 | Hilcorp Energy Company | Vaquillas Ranch (Lobo Cons.) | 1 | 26.5K | 4.03M | Feb 1997 – Aug 2026 |
| Las Raices Ranch G-4-261539 | XTO Energy Inc. | Gates Ranch (Eagle Ford Shale) | 1 | 26.5K | 1.79M | Jan 2011 – Aug 2026 |
| Briscoe R (SA1) G-1-280975 | SM Energy Company | Briscoe Ranch (Eagleford) | 1 | 26.5K | 597K | Jul 2016 – May 2026 |
| Las Raices Ranch G-4-265271 | XTO Energy Inc. | Gates Ranch (Eagle Ford Shale) | 1 | 26.5K | 1.12M | May 2012 – Aug 2026 |
| Carr G-4-149250 | Hilcorp Energy Company | Vaquillas Ranch (Lobo Cons.) | 1 | 26.4K | 1.85M | Jan 1994 – Aug 2026 |
| Vaquillas Ranch-A1 G-4-107100 | Hilcorp Energy Company | Vaquillas Ranch (Lobo Cons.) | 1 | 26.4K | 2.94M | by Jan 1993 – Aug 2026 |
| Galvan Ranch G-1-271542 | Caturus Energy, LLC | Briscoe Ranch (Eagleford) | 1 | 26.4K | 7.14M | Mar 2013 – Aug 2026 |
| Gates 07-Dr G-1-275512 | Lewis Petro Properties, Inc. | Briscoe Ranch (Eagleford) | 1 | 26.4K | 909K | Jul 2014 – Aug 2026 |
| Briscoe State AR (SA8) G-1-281060 | SM Energy Company | Briscoe Ranch (Eagleford) | 1 | 26.3K | 1.05M | Jan 2017 – Aug 2026 |
| Galvan Ranch G-1-283852 | Caturus Energy, LLC | Briscoe Ranch (Eagleford) | 1 | 26.3K | 4.01M | May 2019 – Aug 2026 |
| Long, A. G. Heirs 'A' G-1-280746 | Lewis Petro Properties, Inc. | Briscoe Ranch (Eagleford) | 1 | 26.3K | 2.63M | Aug 2016 – Aug 2026 |
| Acevedo-Haering G-4-152440 | Columbus Energy, LLC | Acevedo (Lobo 6) | 1 | 26.2K | 4.89M | Nov 1994 – Aug 2026 |
| Benavides, R. V. A3 G-4-180795 | Hilcorp Energy Company | Benavides (Lobo Cons.) | 1 | 26.2K | 1.29M | Jan 2001 – Aug 2026 |
| Killam-Hurd-Amoco G-4-104940 | Killam Oil Co., Ltd. | Casa Verde (Hirsch Lower) | 1 | 26.1K | 7.22M | by Jan 1993 – Aug 2026 |