| Briscoe D G-4-157768 | EOG Resources, Inc. | Black Creek (Lobo) | 1 | 23.6K | 2.49M | Feb 1996 – Jan 2012 |
| Briscoe "D" G-4-144469 | Mountain V Texas, LLC | Black Creek (Lobo) | 1 | 23.6K | 5.67M | by Jan 1993 – Aug 2026 |
| Hirsch Estate 1771 G-4-164144 | Hilcorp Energy Company | Big Cowboy (Lobo) | 1 | 23.6K | 2.84M | May 1997 – Aug 2026 |
| Billings Ranch G-4-267365 | Mountain V Texas, LLC | Tiffany (Wilcox Carrizo) | 1 | 23.5K | 595K | Mar 2012 – Aug 2026 |
| K&H Fee 'D' 1570 G-4-155803 | Killam Oil Co., Ltd. | Presa de Oro (Lobo No. 6) | 1 | 23.4K | 4.22M | Sep 1995 – Aug 2026 |
| Billings B G-4-185724 | Mountain V Texas, LLC | Tiffany (Wilcox Carrizo) | 1 | 23.4K | 4.46M | Aug 2001 – Aug 2026 |
| Puig-Ruthada O-4-177 | Buck Management Co. L.L.C. | Aviators | 5 | 23.4K | 98 | by Jan 1993 – Mar 2001 |
| Lechenger G-4-155017 | Hilcorp Energy Company | Benavides (Lobo Cons.) | 1 | 23.4K | 2.21M | Jul 1995 – Aug 2026 |
| Briscoe State AR G-4-253091 | SM Energy Company | Apache Ranch (Eagle Ford) | 1 | 23.4K | 1.69M | Oct 2009 – Jun 2017 |
| Piloncillo G-1-271871 | TBM Catarina, LLC | Briscoe Ranch (Eagleford) | 1 | 23.4K | 278K | Sep 2013 – Apr 2026 |
| Briscoe State AR (SA7) G-1-281079 | SM Energy Company | Briscoe Ranch (Eagleford) | 1 | 23.3K | 1.3M | Jan 2017 – Aug 2026 |
| Carr G-4-155849 | Conocophillips Company | Vaquillas Ranch (Lobo Cons.) | 1 | 23.2K | 3.02M | Sep 1995 – Jun 2006 |
| Pescadito State 984 G-4-248019 | Killam Oil Co., Ltd. | Umbrella, North (Lobo Cons.) | 1 | 23.2K | 2.2M | Feb 2009 – Apr 2014 |
| Lechenger G-4-172491 | Hilcorp Energy Company | Benavides (Lobo Cons.) | 1 | 23.2K | 2.16M | Mar 1999 – Aug 2026 |
| Las Raices Ranch G-4-264272 | XTO Energy Inc. | Gates Ranch (Eagle Ford Shale) | 1 | 23.1K | 955K | Oct 2011 – Aug 2026 |
| Mayers G-4-143116 | EOG Resources, Inc. | Lilia (Wilcox) | 1 | 23.1K | 2M | by Jan 1993 – Oct 2006 |
| Galvan Ranch G-1-279667 | Caturus Energy, LLC | Briscoe Ranch (Eagleford) | 1 | 23K | 4.67M | May 2015 – Aug 2026 |
| Lundell 44 G-4-144314 | Hilcorp Energy Company | Vaquillas Ranch (Lobo Cons.) | 1 | 23K | 1.39M | by Jan 1993 – Jun 2020 |
| Killam, R. "1860" G-4-159170 | Killam Oil Co., Ltd. | Benavides (Lobo Cons.) | 1 | 23K | 1.91M | Jun 1996 – Jan 2016 |
| Webb County School Board G-4-87366 | Proline Energy Resources Inc | Mancho Prado (L-1) | 1 | 22.9K | 1.41M | by Jan 1993 – Dec 2024 |
| Gates Ranch -A- O-1-7354 | Lewis Petro Properties, Inc. | Catarina, SW (San Miguel,oil) | 3 | 22.9K | 265K | by Jan 1993 – Jul 2017 |
| Killam and Hurd Fee 2005 G-4-290467 | Killam Oil Co., Ltd. | Umbrella, North (Lobo Cons.) | 1 | 22.9K | 2.13M | Feb 2021 – Aug 2026 |
| Vaquillas Ranch State 1194 G-4-206727 | Hilcorp Energy Company | Big Cowboy (Lobo) | 1 | 22.9K | 1.88M | Nov 2003 – Aug 2026 |
| Prevost G-4-163524 | Columbus Energy, LLC | Bashara-Hereford (7300) | 1 | 22.9K | 1.5M | Apr 1997 – Aug 2026 |
| Galvan Ranch G-1-281097 | Caturus Energy, LLC | Briscoe Ranch (Eagleford) | 1 | 22.8K | 2.46M | Mar 2017 – Dec 2023 |
| Vergara 1679 G-4-116493 | Hilcorp Energy Company | Vaquillas Ranch (Lobo Cons.) | 1 | 22.8K | 2.71M | Jul 1994 – Aug 2026 |
| Galvan Ranch G-1-284234 | Caturus Energy, LLC | Briscoe Ranch (Eagleford) | 1 | 22.7K | 3.67M | Apr 2019 – Aug 2026 |
| Vergara 1680 G-4-119055 | Hilcorp Energy Company | Vaquillas Ranch (Lobo Cons.) | 1 | 22.7K | 1.92M | by Jan 1993 – Aug 2026 |
| Leyendecker et Al G-4-165444 | Hilcorp Energy Company | Benavides (Lobo Cons.) | 1 | 22.7K | 1.36M | Nov 1997 – Aug 2023 |
| Galvan Ranch G-1-279650 | Caturus Energy, LLC | Briscoe Ranch (Eagleford) | 1 | 22.6K | 4.84M | May 2015 – Sep 2023 |
| Galvan Ranch G-1-281760 | Caturus Energy, LLC | Briscoe Ranch (Eagleford) | 1 | 22.6K | 2.64M | Nov 2016 – Aug 2026 |
| Gates Ranch "A" O-1-14432 | Lewis Petro Properties, Inc. | Catarina, SW. (Olmos) | 3 | 22.6K | 55.9K | Mar 2003 – Apr 2011 |
| Vaquillas-Borrego G-4-187514 | Killam Oil Co., Ltd. | Zwebb (10350) | 1 | 22.6K | 3.84M | Feb 2002 – Jan 2016 |
| Galvan Ranch G-1-268122 | Caturus Energy, LLC | Briscoe Ranch (Eagleford) | 1 | 22.6K | 3.25M | Apr 2012 – Jun 2026 |
| Dawson 360 G.U. G-1-270626 | Lewis Petro Properties, Inc. | Briscoe Ranch (Eagleford) | 1 | 22.6K | 2.34M | Apr 2013 – Aug 2026 |
| Despain G-4-144477 | Hugoton Operating Company, Inc. | Black Creek (Lobo) | 1 | 22.5K | 4.43M | by Jan 1993 – Sep 2017 |
| Galvan Ranch G-1-279633 | Caturus Energy, LLC | Briscoe Ranch (Eagleford) | 1 | 22.5K | 5.27M | May 2015 – Aug 2026 |
| South Marshall State-Wells Fargo G-4-219522 | Mountain V Texas, LLC | Tiffany (Wilcox Carrizo) | 1 | 22.5K | 3.2M | May 2006 – Aug 2026 |
| Lopez O-4-13800 | 1947 Natural Resources, LLC | Lopez, North (Lopez) | 2 | 22.5K | 0 | Jun 2013 – Aug 2026 |
| Despain Gas Unit G-4-181541 | EOG Resources, Inc. | Tiffany (Wilcox Carrizo) | 1 | 22.4K | 1.22M | Feb 2001 – Jan 2010 |
| Frost National Bank G-4-167907 | Hilcorp Energy Company | B.M.T. (Lobo Cons.) | 1 | 22.4K | 8.46M | Apr 1998 – Aug 2026 |
| Carr G-4-144499 | Hilcorp Energy Company | Vaquillas Ranch (Lobo Cons.) | 1 | 22.3K | 1.03M | Feb 1993 – Nov 1999 |
| Alley G-4-110256 | Hilcorp Energy Company | Vaquillas Ranch (Lobo Cons.) | 1 | 22.3K | 3.14M | by Jan 1993 – Aug 2026 |
| Rottersman G-4-173211 | Hilcorp Energy Company | Benavides (Lobo Cons.) | 1 | 22.3K | 3.66M | Feb 1999 – Aug 2026 |
| Rottersman G-4-172716 | Hilcorp Energy Company | Benavides (Lobo Cons.) | 1 | 22.3K | 3.65M | Mar 1999 – Aug 2026 |
| Long, A. G. Heirs 'A' G-1-293042 | Lewis Petro Properties, Inc. | Briscoe Ranch (Eagleford) | 1 | 22.3K | 1.55M | May 2022 – Aug 2026 |
| Ramirez, M.&m. Gas Unit G-4-154059 | Arete Operating Company III, LLC | Leyendecker (6900) | 1 | 22.3K | 2.58M | Feb 1995 – Sep 2014 |
| Carr, Edith J. G-4-163171 | Hilcorp Energy Company | Benavides (Lobo Cons.) | 1 | 22.2K | 2.22M | May 1997 – Aug 2026 |
| Briscoe G GU1 (SA) G-1-281024 | SM Energy Company | Briscoe Ranch (Eagleford) | 1 | 22.2K | 998K | Jul 2016 – Oct 2022 |
| Las Raices Ranch G-4-265270 | XTO Energy Inc. | Gates Ranch (Eagle Ford Shale) | 1 | 22.2K | 606K | Apr 2012 – Aug 2026 |