| Vaquillas Ranch 1627 G-4-151967 | Three-C Oil and Gas | Vaquillas Ranch (Lobo) | 1 | 42.2K | 1.34M | Nov 1994 – Jul 2023 |
| Vaquillas G-4-260641 | Hilcorp Energy Company | Tiffany (Wilcox Carrizo) | 1 | 42.2K | 1.21M | Jun 2010 – Aug 2026 |
| Slator Ranch G-4-288966 | Mountain V Texas, LLC | Stirling (Wilcox Consolidated) | 1 | 42.1K | 2.19M | Oct 2019 – Aug 2026 |
| Galvan Ranch G-1-273217 | Caturus Energy, LLC | Briscoe Ranch (Eagleford) | 1 | 42K | 1.18M | Jan 2014 – Oct 2025 |
| Piloncillo G-1-278293 | TBM Catarina, LLC | Briscoe Ranch (Eagleford) | 1 | 42K | 1.05M | Feb 2015 – Aug 2026 |
| Mayers G-4-190617 | Arete Operating Company III, LLC | Rottersman (Lobo) | 1 | 41.8K | 2.62M | Jun 2002 – Feb 2013 |
| Richmond-Garcia O-4-1887 | Three C Exploration, LLC | Mirando City | 4 | 41.8K | 21 | by Jan 1993 – Dec 2023 |
| Benavides, Rosa V. B3 G-4-225611 | Hilcorp Energy Company | Benavides (Lobo Cons.) | 1 | 41.8K | 1.73M | Feb 2006 – Aug 2026 |
| Piloncillo G-1-270577 | TBM Catarina, LLC | Briscoe Ranch (Eagleford) | 1 | 41.7K | 734K | Mar 2013 – Aug 2026 |
| Las Raices Ranch G-4-265603 | XTO Energy Inc. | Gates Ranch (Eagle Ford Shale) | 1 | 41.7K | 1.18M | Dec 2011 – Aug 2026 |
| Galvan Ranch G-1-271518 | Caturus Energy, LLC | Briscoe Ranch (Eagleford) | 1 | 41.7K | 6.8M | Mar 2013 – Aug 2026 |
| Ramirez, M. & M. Gas Unit G-4-164806 | Arete Operating Company III, LLC | Barrera (Lobo 6) | 1 | 41.7K | 5.2M | Sep 1997 – Aug 2026 |
| Briscoe C G-1-280982 | SM Energy Company | Briscoe Ranch (Eagleford) | 1 | 41.6K | 470K | Apr 2022 – May 2026 |
| James Trust G-1-279007 | Lewis Petro Properties, Inc. | Hawkville (Eagleford Shale) | 1 | 41.4K | 4.85M | Jun 2015 – Aug 2026 |
| Galvan Ranch G-1-273232 | Caturus Energy, LLC | Briscoe Ranch (Eagleford) | 1 | 41.4K | 1.86M | Feb 2014 – May 2025 |
| Huisache Cattle Company "B" G-4-268987 | Lewis Petro Properties, Inc. | Owen (Olmos) | 1 | 41.4K | 4.07M | Apr 2012 – Apr 2024 |
| Briscoe R G-1-260186 | SM Energy Company | Briscoe Ranch (Eagleford) | 1 | 41.3K | 2.02M | Dec 2010 – Feb 2026 |
| Briscoe G G-1-281228 | SM Energy Company | Briscoe Ranch (Eagleford) | 1 | 41.3K | 1.39M | Jul 2016 – Aug 2026 |
| Faith-Yana GG Unit G-1-286889 | Crescent Energy Operating, LLC | Lorenzo (Austin Chalk) | 1 | 41.3K | 585K | Feb 2019 – Aug 2026 |
| Benavides, Rosa V. B4 G-4-185725 | Hilcorp Energy Company | Benavides (Lobo Cons.) | 1 | 41.3K | 3.46M | Oct 2001 – Aug 2026 |
| Dcrc "101B" O-4-12519 | Killam Oil Co., Ltd. | Moca | 1 | 41.2K | 390 | Jan 1996 – Sep 2023 |
| Vergara, G. B. G-4-165187 | Hilcorp Energy Company | Vaquillas Ranch (Lobo Cons.) | 1 | 41.2K | 3.04M | Oct 1997 – Aug 2026 |
| Villarreal G-4-179280 | Varas Energy Operating Company, | Pok - a - Dot (8600) | 1 | 41.2K | 2.05M | Sep 2000 – Apr 2025 |
| Galvan Ranch G-1-281068 | Caturus Energy, LLC | Briscoe Ranch (Eagleford) | 1 | 41.2K | 4.71M | May 2017 – Aug 2026 |
| Piloncillo G-1-266925 | TBM Catarina, LLC | Briscoe Ranch (Eagleford) | 1 | 41.2K | 864K | Sep 2012 – Aug 2026 |
| Alley G-4-110092 | Hilcorp Energy Company | Vaquillas Ranch (Lobo Cons.) | 1 | 41.1K | 5.82M | by Jan 1993 – Aug 2026 |
| Billings Ranch G-4-248824 | Mountain V Texas, LLC | Tiffany (Wilcox Carrizo) | 1 | 41.1K | 1.97M | Apr 2009 – Aug 2026 |
| Briscoe C G-1-299702 | SM Energy Company | Lorenzo (Austin Chalk) | 1 | 41.1K | 200K | Mar 2026 – Aug 2026 |
| Galvan Ranch G-1-276829 | Caturus Energy, LLC | Briscoe Ranch (Eagleford) | 1 | 41K | 2.76M | Sep 2014 – Aug 2026 |
| Galvan Ranch LP G-1-273836 | SM Energy Company | Briscoe Ranch (Eagleford) | 1 | 41K | 1.89M | Apr 2014 – Aug 2026 |
| Briscoe C (SA28) G-1-299905 | SM Energy Company | Lorenzo (Austin Chalk) | 1 | 41K | 228K | Mar 2026 – Aug 2026 |
| Briscoe J (SA4) G-1-287865 | SM Energy Company | Briscoe Ranch (Eagleford) | 1 | 41K | 3.7M | Mar 2021 – Aug 2026 |
| Gates 07-Dr G-1-271419 | Lewis Petro Properties, Inc. | Briscoe Ranch (Eagleford) | 1 | 41K | 850K | Oct 2012 – Aug 2026 |
| Long, A. G. Heirs 'A' G-1-301431 | Lewis Petro Properties, Inc. | Briscoe Ranch (Eagleford) | 1 | 40.9K | 1.51M | Dec 2025 – Jul 2026 |
| Briscoe "D" G-4-144471 | Mountain V Texas, LLC | Black Creek (Lobo) | 1 | 40.9K | 6.88M | by Jan 1993 – Aug 2026 |
| Vaquillas Ranch Co. Ltd G-4-191853 | Hilcorp Energy Company | Vaquillas Ranch (Lobo Cons.) | 1 | 40.8K | 1.79M | Aug 2002 – Sep 2016 |
| Galvan Ranch G-1-276890 | Caturus Energy, LLC | Briscoe Ranch (Eagleford) | 1 | 40.6K | 3.33M | Oct 2014 – Aug 2026 |
| Piloncillo G-1-267081 | TBM Catarina, LLC | Briscoe Ranch (Eagleford) | 1 | 40.6K | 1.6M | Jan 2012 – Aug 2026 |
| Briscoe B (SA3) G-1-263604 | SM Energy Company | Briscoe Ranch (Eagleford) | 1 | 40.6K | 940K | Jan 2011 – Aug 2026 |
| Galvan Ranch G-1-271295 | Caturus Energy, LLC | Briscoe Ranch (Eagleford) | 1 | 40.6K | 3.19M | Feb 2013 – Aug 2026 |
| McKendrick, W.H. G-4-152807 | Columbus Energy, LLC | Hereford (Lobo) | 1 | 40.5K | 4.72M | Oct 1994 – Oct 2004 |
| Briscoe G GU7 State G-1-268596 | SM Energy Company | Briscoe Ranch (Eagleford) | 1 | 40.5K | 523K | Aug 2012 – Oct 2015 |
| Galvan Ranch G-1-276887 | Caturus Energy, LLC | Briscoe Ranch (Eagleford) | 1 | 40.4K | 3.14M | Sep 2014 – Aug 2026 |
| Vaquillas Ranch Co. Ltd G-4-186793 | Hilcorp Energy Company | Vaquillas Ranch (Lobo Cons.) | 1 | 40.3K | 4.68M | Nov 2001 – Aug 2026 |
| Staggs G-4-259270 | Mountain V Texas, LLC | Tiffany (Wilcox Carrizo) | 1 | 40.2K | 3.95M | Aug 2009 – Aug 2026 |
| Briscoe R G-1-267051 | SM Energy Company | Briscoe Ranch (Eagleford) | 1 | 40.1K | 1.78M | Mar 2012 – Aug 2026 |
| Vaquillas Ranch A2 G-4-166109 | Hilcorp Energy Company | Vaquillas Ranch (Lobo Cons.) | 1 | 40K | 2.42M | Sep 1997 – Aug 2026 |
| Briscoe B G-1-285047 | SM Energy Company | Briscoe Ranch (Eagleford) | 1 | 40K | 1.11M | Apr 2018 – Jun 2026 |
| San Ambrosia D G-1-266470 | SM Energy Company | Briscoe Ranch (Eagleford) | 1 | 40K | 320K | Dec 2011 – Mar 2018 |
| Acevedo-Haering G-4-143907 | Columbus Energy, LLC | Volz (Lobo) | 1 | 40K | 6.77M | by Jan 1993 – Aug 2026 |