| Las Raices Ranch G-4-261859 | XTO Energy Inc. | Gates Ranch (Eagle Ford Shale) | 1 | 29.2K | 888K | May 2011 – Aug 2026 |
| Briscoe "D" G-4-158138 | Mountain V Texas, LLC | Black Creek (Lobo) | 1 | 29.2K | 3.44M | Apr 1996 – Aug 2026 |
| Piloncillo G-1-267075 | TBM Catarina, LLC | Briscoe Ranch (Eagleford) | 1 | 29.2K | 403K | Feb 2012 – Feb 2018 |
| Piloncillo G-1-281984 | TBM Catarina, LLC | Briscoe Ranch (Eagleford) | 1 | 29.1K | 713K | Mar 2017 – Apr 2026 |
| Piloncillo G-1-271192 | TBM Catarina, LLC | Briscoe Ranch (Eagleford) | 1 | 29.1K | 519K | Apr 2013 – Apr 2026 |
| Briscoe G G-1-280983 | SM Energy Company | Briscoe Ranch (Eagleford) | 1 | 29K | 1.07M | Jul 2016 – Feb 2023 |
| Killam-Hurd-Amoco Trautman GU A G-4-145168 | Killam Oil Co., Ltd. | Del Mar (Lobo Cons.) | 1 | 29K | 5.75M | by Jan 1993 – Jan 2016 |
| Vaquillas G-4-263157 | Hilcorp Energy Company | Tiffany (Wilcox Carrizo) | 1 | 29K | 5.72M | Apr 2011 – Aug 2026 |
| Long, A. G. Heirs G-1-272776 | Lewis Petro Properties, Inc. | Briscoe Ranch (Eagleford) | 1 | 29K | 2.61M | Jun 2013 – Aug 2026 |
| Carr G-4-197702 | Hilcorp Energy Company | Vaquillas Ranch (Lobo Cons.) | 1 | 28.9K | 2.3M | Aug 2003 – Aug 2026 |
| Hirsch Estate J G-4-142875 | Killam Oil Co., Ltd. | B.M.T. (Lobo Cons.) | 1 | 28.9K | 1.81M | by Jan 1993 – Aug 2026 |
| Apache Ranch G-4-300462 | Lewis Petro Properties, Inc. | Hawkville (Austin Chalk) | 1 | 28.8K | 2.6M | Aug 2025 – Aug 2026 |
| Killam & Hurd Fee "1690" G-4-162636 | Killam Oil Co., Ltd. | B.M.T. (Lobo Cons.) | 1 | 28.8K | 2.26M | Mar 1997 – Aug 2026 |
| Galvan Ranch G-1-301028 | Caturus Energy, LLC | Lorenzo (Austin Chalk) | 1 | 28.8K | 1.58M | Mar 2026 – Aug 2026 |
| Vergara, Ignacio G-4-197038 | Hilcorp Energy Company | Vaquillas Ranch (Lobo Cons.) | 1 | 28.8K | 1.87M | Jun 2003 – Aug 2026 |
| Galvan Ranch G-1-282886 | Caturus Energy, LLC | Briscoe Ranch (Eagleford) | 1 | 28.7K | 2.61M | May 2018 – Aug 2026 |
| Piloncillo G-1-267068 | TBM Catarina, LLC | Briscoe Ranch (Eagleford) | 1 | 28.7K | 1.04M | Mar 2012 – Aug 2026 |
| Olmitos Ranch 1529 G-4-229686 | Tare Resources, LLC | Vaquillas Ranch (Lobo Cons.) | 1 | 28.6K | 2.69M | Mar 2007 – Aug 2026 |
| B.M.T. G-4-178063 | Hilcorp Energy Company | B.M.T. (Lobo Cons.) | 1 | 28.6K | 3.34M | Jun 2000 – Aug 2026 |
| Lundell G-4-117132 | Hilcorp Energy Company | Vaquillas Ranch (Lobo Cons.) | 1 | 28.6K | 1.8M | by Jan 1993 – Aug 2026 |
| Briscoe R GU3 G-1-273258 | SM Energy Company | Briscoe Ranch (Eagleford) | 1 | 28.6K | 1.48M | Jan 2014 – Aug 2026 |
| Vaquillas Ranch -A8 G-4-126435 | Conoco Inc. | Bonebrake (Lobo 6) | 1 | 28.6K | 1.72M | by Jan 1993 – Jul 1997 |
| Rancho Blanco G-4-155279 | Columbus Energy, LLC | Bashara-Hereford (7300) | 1 | 28.6K | 4.28M | Jul 1995 – Aug 2026 |
| Gates 09 Rose a BVP G-4-274705 | Rosetta Resources Operating LP | Gates Ranch (Eagle Ford Shale) | 1 | 28.5K | 753K | May 2014 – Aug 2026 |
| Petty Ranch O-1-14322 | Kerns O & G, Inc. | Catarina, SW (San Miguel,oil) | 2 | 28.5K | 117K | Dec 2000 – Sep 2001 |
| Piloncillo G-1-268416 | TBM Catarina, LLC | Briscoe Ranch (Eagleford) | 1 | 28.4K | 563K | Sep 2012 – Apr 2026 |
| B.M.T. B G-4-194073 | Hilcorp Energy Company | B.M.T. (Lobo Cons.) | 1 | 28.4K | 4.95M | Mar 2003 – Aug 2026 |
| GJM Gas Unit I G-4-186071 | Arete Operating Company III, LLC | Rottersman (Lobo) | 1 | 28.4K | 2.15M | Oct 2001 – Aug 2026 |
| Galvan Ranch G-1-280688 | Caturus Energy, LLC | Briscoe Ranch (Eagleford) | 1 | 28.3K | 4.38M | Jun 2015 – Aug 2026 |
| Lechenger G-4-174858 | Hilcorp Energy Company | Benavides (Lobo Cons.) | 1 | 28.2K | 1.45M | Nov 1999 – Aug 2026 |
| Galvan Ranch G-1-279643 | Caturus Energy, LLC | Briscoe Ranch (Eagleford) | 1 | 28.2K | 8.74M | Feb 2015 – Jun 2026 |
| El Gato G-4-147704 | Hilcorp Energy Company | Vaquillas Ranch (Lobo Cons.) | 1 | 28.1K | 2.55M | Jan 1994 – Aug 2026 |
| Carr G-4-141848 | Hilcorp Energy Company | Vaquillas Ranch (Lobo Cons.) | 1 | 28.1K | 4.34M | by Jan 1993 – Aug 2026 |
| Carr G-4-153326 | Hilcorp Energy Company | Vaquillas Ranch (Lobo Cons.) | 1 | 28.1K | 1.47M | Dec 1994 – Aug 2026 |
| Briscoe "C" G-1-260168 | SM Energy Company | Briscoe Ranch (Eagleford) | 1 | 28.1K | 580K | Apr 2010 – Feb 2022 |
| Piloncillo O-1-15331 | Shell Western E&P | Briscoe Ranch (Eagleford) | 2 | 28K | 274K | Dec 2010 – Aug 2012 |
| Benavides TR 2 G-4-137880 | Columbus Energy, LLC | Acevedo (Lobo 6) | 1 | 28K | 5.24M | by Jan 1993 – Aug 2026 |
| Petty Ranch G-1-165363 | White Oak Operating Company LLC | Catarina, SW. (San Miguel-Gas) | 1 | 27.9K | 1.45M | Oct 1997 – Feb 2016 |
| Billings Ranch G-4-262709 | Mountain V Texas, LLC | Tiffany (Wilcox Carrizo) | 1 | 27.9K | 2.04M | Sep 2011 – Aug 2026 |
| Long, A. G. Heirs 'A' G-1-280747 | Lewis Petro Properties, Inc. | Briscoe Ranch (Eagleford) | 1 | 27.8K | 2.71M | Aug 2016 – Aug 2026 |
| Hirsch Estate 2093 G-4-138457 | Hilcorp Energy Company | Big Cowboy (Lobo) | 1 | 27.8K | 2.55M | by Jan 1993 – Aug 2026 |
| Vaquillas Ranch A1 G-4-170894 | Hilcorp Energy Company | Vaquillas Ranch (Lobo Cons.) | 1 | 27.8K | 3.02M | Sep 1998 – Aug 2026 |
| Cabezon G-4-237464 | Mountain V Texas, LLC | Zwebb (10350) | 1 | 27.8K | 656K | Apr 2008 – Jun 2026 |
| Prevost G-4-163522 | Columbus Energy, LLC | Clark Ranch (Lobo) | 1 | 27.6K | 5.02M | Apr 1997 – Aug 2026 |
| Briscoe B (SA6) G-1-269556 | SM Energy Company | Briscoe Ranch (Eagleford) | 1 | 27.6K | 1.07M | Jun 2012 – Aug 2026 |
| Vaquillas Ranch Co. Ltd G-4-165670 | Hilcorp Energy Company | Vaquillas Ranch (Lobo Cons.) | 1 | 27.6K | 2.64M | Dec 1997 – Aug 2026 |
| Galvan Ranch G-1-279646 | Caturus Energy, LLC | Briscoe Ranch (Eagleford) | 1 | 27.6K | 8.05M | Jan 2015 – Aug 2026 |
| Vaquillas A-8 G-4-131348 | Hilcorp Energy Company | Vaquillas Ranch (Lobo Cons.) | 1 | 27.5K | 1.49M | by Jan 1993 – Aug 2026 |
| Long, A. G. Heirs G-1-269268 | Lewis Petro Properties, Inc. | Briscoe Ranch (Eagleford) | 1 | 27.5K | 1.22M | Dec 2012 – Aug 2026 |
| Vergara, G.B. G-4-153934 | Hilcorp Energy Company | Vaquillas Ranch (Lobo Cons.) | 1 | 27.5K | 2.96M | Apr 1995 – Aug 2026 |