| Lundell G-4-119197 | Hilcorp Energy Company | Vaquillas Ranch (Lobo Cons.) | 1 | 20.2K | 2.9M | by Jan 1993 – Aug 2026 |
| Union Ranch State GU G-4-190647 | Mountain V Texas, LLC | Tiffany (Wilcox Carrizo) | 1 | 20.1K | 3.51M | Aug 2002 – Aug 2026 |
| Galvan Ranch G-1-269251 | Caturus Energy, LLC | Briscoe Ranch (Eagleford) | 1 | 20.1K | 1.85M | May 2012 – Nov 2020 |
| Vaquillas Ranch E G-4-196839 | Hilcorp Energy Company | Vaquillas Ranch (Lobo Cons.) | 1 | 20.1K | 2.67M | Jul 2003 – Aug 2026 |
| Vela-Gilpin Unit G-4-276067 | Escondido Resources Oper Co, LLC | Owen (Olmos) | 1 | 20.1K | 1.45M | Oct 2014 – Aug 2026 |
| South Marshall St Wells Fargo GU G-4-229579 | Mountain V Texas, LLC | Tiffany (Wilcox Carrizo) | 1 | 20K | 693K | Apr 2007 – Jan 2015 |
| Gates 07-Dr G-1-274235 | Lewis Petro Properties, Inc. | Briscoe Ranch (Eagleford) | 1 | 20K | 641K | Dec 2013 – Feb 2026 |
| Meador-Monnich GU G-1-278494 | Lewis Petro Properties, Inc. | Hawkville (Eagleford Shale) | 1 | 20K | 4.7M | Jan 2015 – Aug 2026 |
| Briscoe A G-1-302197 | SM Energy Company | Lorenzo (Austin Chalk) | 1 | 19.9K | 57.2K | Aug 2026 – Aug 2026 |
| Garcia 608 G-4-216292 | Killam Oil Co., Ltd. | McLean, West (Garcia) | 1 | 19.9K | 1.42M | Jan 2006 – Mar 2007 |
| Briscoe G G-1-280985 | SM Energy Company | Briscoe Ranch (Eagleford) | 1 | 19.9K | 780K | Jul 2016 – May 2024 |
| Lundell 40 G-4-205317 | Hilcorp Energy Company | Vaquillas Ranch (Lobo Cons.) | 1 | 19.9K | 2.11M | Sep 2004 – Aug 2026 |
| Rottersman G-4-141874 | Arete Operating Company II, LLC | Benavides (Lobo Cons.) | 1 | 19.9K | 1.97M | by Jan 1993 – Aug 2026 |
| Vaquillas Ranch 136A G-4-172960 | Three-C Oil and Gas | Vaquillas Ranch (Lobo) | 1 | 19.9K | 2.21M | Mar 1999 – Apr 2023 |
| Briscoe C (SA6) O-1-20456 | SM Energy Company | Lorenzo (Austin Chalk) | 1 | 19.8K | 58K | Jan 2022 – Jan 2022 |
| Benavides, Rosa V. D2 G-4-212881 | Hilcorp Energy Company | Benavides (Lobo Cons.) | 1 | 19.8K | 308K | May 2005 – Aug 2026 |
| Galvan Ranch G-1-279652 | Caturus Energy, LLC | Briscoe Ranch (Eagleford) | 1 | 19.8K | 4.82M | May 2015 – Aug 2026 |
| M.L.E.I.-Pena, H. L. G-4-109224 | Hilcorp Energy Company | La Perla (Lobo Cons.) | 1 | 19.8K | 2.27M | by Jan 1993 – Jun 2021 |
| Alley G-4-135953 | Hilcorp Energy Company | Vaquillas Ranch (Lobo Cons.) | 1 | 19.7K | 2.33M | by Jan 1993 – Aug 2026 |
| Lundell G-4-170937 | Hilcorp Energy Company | Vaquillas Ranch (Lobo Cons.) | 1 | 19.7K | 3.1M | Sep 1998 – Aug 2026 |
| Vaquillas Ranch A1 G-4-163825 | Hilcorp Energy Company | Vaquillas Ranch (Lobo Cons.) | 1 | 19.7K | 3.11M | May 1997 – Aug 2026 |
| Killam, R. "1860" G-4-158659 | Killam Oil Co., Ltd. | Benavides (Lobo Cons.) | 1 | 19.7K | 1.22M | May 1996 – Jan 2016 |
| Petty Ranch G-1-186008 | White Oak Operating Company LLC | Catarina, SW. (San Miguel-Gas) | 1 | 19.7K | 354K | Oct 2001 – Feb 2016 |
| McKendrick, W.H. G-4-151205 | Columbus Energy, LLC | Hereford (Lobo) | 1 | 19.7K | 2.58M | Sep 1994 – Jul 2006 |
| B.M.T. G-4-169481 | Hilcorp Energy Company | B.M.T. (Lobo Cons.) | 1 | 19.7K | 3.73M | Jul 1998 – Aug 2026 |
| Lundell G-4-170321 | Hilcorp Energy Company | Vaquillas Ranch (Lobo Cons.) | 1 | 19.6K | 2.44M | Aug 1998 – Aug 2026 |
| AN/CY Benavides F G-4-235981 | Hilcorp Energy Company | Benavides (Lobo Cons.) | 1 | 19.6K | 916K | Jul 2007 – Aug 2026 |
| BMT G-4-180831 | Hilcorp Energy Company | B.M.T. (Lobo Cons.) | 1 | 19.6K | 2.54M | Dec 2000 – Aug 2026 |
| Bruni Mineral Trust G-4-153506 | Hilcorp Energy Company | Liz (9200) | 1 | 19.6K | 1.25M | Mar 1995 – Aug 2026 |
| Galvan Ranch LP GU8 State G-1-276802 | SM Energy Company | Briscoe Ranch (Eagleford) | 1 | 19.6K | 6.52M | Nov 2014 – Aug 2026 |
| Rottersman G-4-173497 | Arete Operating Company II, LLC | Rottersman (Lobo) | 1 | 19.5K | 6.53M | Jun 1999 – Aug 2026 |
| Vergara, Ignacio G-4-178157 | Hilcorp Energy Company | Vaquillas Ranch (Lobo Cons.) | 1 | 19.5K | 1.88M | Jul 2000 – Aug 2026 |
| Vergara G-4-233227 | Lucky Lad Energy, LLC | Vaquillas Ranch (Lobo Cons.) | 1 | 19.5K | 1.3M | Nov 2007 – Jun 2026 |
| Briscoe State AR (SA1) G-1-281025 | SM Energy Company | Briscoe Ranch (Eagleford) | 1 | 19.5K | 2.84M | Jan 2017 – Aug 2026 |
| BMT G-4-180071 | Hilcorp Energy Company | B.M.T. (Lobo Cons.) | 1 | 19.5K | 2.65M | Oct 2000 – May 2017 |
| Leyendecker et Al G-4-159581 | Hilcorp Energy Company | Benavides (Lobo Cons.) | 1 | 19.5K | 2.12M | Jul 1996 – Aug 2026 |
| Vaquillas 1647 G-4-121713 | Three-C Oil and Gas | Vaquillas Ranch (Lobo Cons.) | 1 | 19.4K | 797K | Feb 1994 – Apr 2023 |
| Carr G-4-144517 | Hilcorp Energy Company | Vaquillas Ranch (Lobo Cons.) | 1 | 19.4K | 2.24M | Feb 1993 – Aug 2026 |
| Briscoe G G-1-281053 | SM Energy Company | Briscoe Ranch (Eagleford) | 1 | 19.4K | 390K | Jul 2016 – Oct 2020 |
| Gates 07-Dr G-1-274617 | Lewis Petro Properties, Inc. | Briscoe Ranch (Eagleford) | 1 | 19.4K | 618K | Dec 2013 – Aug 2026 |
| Piloncillo G-1-268405 | TBM Catarina, LLC | Briscoe Ranch (Eagleford) | 1 | 19.3K | 584K | Sep 2012 – Aug 2026 |
| Benavides, Rosa V. 1908 G-4-127679 | Three-C Oil and Gas | Benavides (Lobo Cons.) | 1 | 19.3K | 617K | by Jan 1993 – Nov 2020 |
| Staggs G-4-208286 | Mountain V Texas, LLC | Tiffany (Wilcox Carrizo) | 1 | 19.3K | 3.88M | Jan 2005 – Aug 2026 |
| Moreno, I. et Al G-4-124487 | Hilcorp Energy Company | Laredo (Lobo) | 1 | 19.2K | 3.6M | by Jan 1993 – Aug 2026 |
| Vaquillas 1629 G-4-119593 | Three-C Oil and Gas | Big Cowboy (Lobo) | 1 | 19.1K | 718K | Mar 1993 – Jul 2023 |
| Moreno, Isidro et Al G-4-160257 | Hilcorp Energy Company | Bashara-Hereford (7300) | 1 | 19.1K | 2.1M | Sep 1996 – Aug 2026 |
| La Moca Gas Unit H G-4-265516 | Lewis Petro Properties, Inc. | Owen (Olmos) | 1 | 19.1K | 2.85M | Jun 2011 – Aug 2026 |
| Vaquillas Ranch A5 G-4-142967 | Conoco Inc. | Vaquillas Ranch (Lobo 8100) | 1 | 19K | 869K | by Jan 1993 – Nov 1994 |
| BMT/K&H G-4-184520 | Mountain V Texas, LLC | Zwebb (10350) | 1 | 19K | 4.25M | Jul 2001 – Aug 2026 |
| Devon-Vaquillas State No. 9H Unt G-4-260644 | Hilcorp Energy Company | Tiffany (Wilcox Carrizo) | 1 | 19K | 3.97M | Aug 2010 – Aug 2026 |