| Neel G-4-255451 | Lewis Petro Properties, Inc. | Owen (Olmos) | 1 | 24.7K | 343K | Jan 2010 – Aug 2026 |
| Cabezon G-4-188849 | Mountain V Texas, LLC | Zwebb (10350) | 1 | 24.6K | 665K | Apr 2002 – Jun 2026 |
| Piloncillo G-1-265405 | TBM Catarina, LLC | Briscoe Ranch (Eagleford) | 1 | 24.6K | 675K | Apr 2012 – Jul 2018 |
| Piloncillo G-1-271104 | TBM Catarina, LLC | Briscoe Ranch (Eagleford) | 1 | 24.5K | 496K | May 2013 – Aug 2026 |
| James Trust G-1-279013 | Lewis Petro Properties, Inc. | Hawkville (Eagleford Shale) | 1 | 24.5K | 3.94M | Jun 2015 – Aug 2026 |
| Vaquillas Ranch A1 G-4-207274 | Hilcorp Energy Company | Vaquillas Ranch (Lobo Cons.) | 1 | 24.5K | 1.16M | Sep 2004 – Aug 2026 |
| Vaquillas Ranch A3 G-4-186779 | Hilcorp Energy Company | Vaquillas Ranch (Lobo Cons.) | 1 | 24.5K | 1.12M | Aug 2001 – Feb 2009 |
| K & H Fee GU "1859" G-4-152939 | Killam Oil Co., Ltd. | B.M.T. (Lobo Cons.) | 1 | 24.5K | 2.49M | Dec 1994 – Jul 2016 |
| Vaquillas Ranch Co. Ltd. G-4-142848 | Hilcorp Energy Company | Vaquillas Ranch (Lobo Cons.) | 1 | 24.5K | 1.67M | by Jan 1993 – Jun 2005 |
| Vaquillas Ranch G-4-99350 | Hilcorp Energy Company | El Gato (Lobo) | 1 | 24.5K | 4.69M | by Jan 1993 – Aug 2026 |
| Killam-Hurd-Amoco G-4-140737 | Killam Oil Co., Ltd. | Casa Verde (Hirsch Lower) | 1 | 24.5K | 7.41M | by Jan 1993 – Aug 2026 |
| Bruni Mineral Trust G-4-153714 | Hilcorp Energy Company | Liz (9200) | 1 | 24.4K | 4.67M | Apr 1995 – Aug 2026 |
| Hubberd, William "C1" G-4-146561 | Columbus Energy, LLC | Hubberd (Lobo) | 1 | 24.4K | 6.23M | Jul 1993 – Aug 2026 |
| Piloncillo G-1-268430 | TBM Catarina, LLC | Briscoe Ranch (Eagleford) | 1 | 24.4K | 365K | Jul 2012 – Jul 2026 |
| Dcrc "3D" G-4-148539 | Killam Oil Co., Ltd. | Moca (Sand 4, Seg. 2) | 1 | 24.4K | 2.51M | Feb 1994 – Feb 2001 |
| Briscoe C (SA4) O-1-20416 | SM Energy Company | Lorenzo (Austin Chalk) | 1 | 24.4K | 76.7K | Jan 2022 – Jan 2022 |
| Briscoe "D" G-4-152403 | Mountain V Texas, LLC | Black Creek (Lobo) | 1 | 24.4K | 3.7M | Nov 1994 – Aug 2026 |
| Dcrc-Sec. 3A O-4-12313 | Tri-C Resources, Inc. | Moca (Wilcox 4700) | 1 | 24.4K | 52.1K | Mar 1994 – Jun 1995 |
| Briscoe B (SA5) G-1-260309 | SM Energy Company | Briscoe Ranch (Eagleford) | 1 | 24.3K | 503K | Nov 2010 – Oct 2015 |
| Galvan Ranch G-1-280691 | Caturus Energy, LLC | Briscoe Ranch (Eagleford) | 1 | 24.3K | 4.43M | Sep 2015 – Aug 2026 |
| Vaquillas Ranch State F G-4-174178 | Hilcorp Energy Company | Vaquillas Ranch (Lobo Cons.) | 1 | 24.3K | 737K | Jul 1999 – Apr 2005 |
| Bruni Summers G-4-188698 | Killam Oil Co., Ltd. | Moritas Creek (8500) | 1 | 24.3K | 3.73M | Feb 2002 – Aug 2026 |
| Galvan Ranch G-1-286398 | Caturus Energy, LLC | Briscoe Ranch (Eagleford) | 1 | 24.2K | 4.16M | Jun 2019 – Aug 2026 |
| Martinez, D.S. G-4-168891 | Columbus Energy, LLC | Bashara-Hereford (7300) | 1 | 24.2K | 2.87M | Feb 1998 – Aug 2026 |
| Galvan Ranch G-1-263767 | Caturus Energy, LLC | Briscoe Ranch (Eagleford) | 1 | 24.2K | 1.36M | Aug 2011 – Aug 2026 |
| Cabezon G-4-246190 | Mountain V Texas, LLC | Zwebb (10350) | 1 | 24.2K | 485K | Oct 2008 – Jun 2026 |
| Las Raices Ranch G-4-259516 | XTO Energy Inc. | Gates Ranch (Eagle Ford Shale) | 1 | 24.2K | 1.11M | Sep 2010 – Aug 2026 |
| Galvan Ranch G-1-277755 | Caturus Energy, LLC | Briscoe Ranch (Eagleford) | 1 | 24.1K | 6.02M | Feb 2015 – Feb 2021 |
| Piloncillo G-1-267080 | TBM Catarina, LLC | Briscoe Ranch (Eagleford) | 1 | 24.1K | 710K | Jan 2012 – Aug 2026 |
| Mayers G-4-190932 | Arete Operating Company III, LLC | Rottersman (Lobo) | 1 | 24.1K | 1.35M | Sep 2002 – Jul 2026 |
| Lundell D G-4-175751 | Hilcorp Energy Company | Vaquillas Ranch (Lobo Cons.) | 1 | 24.1K | 2.23M | Dec 1999 – Aug 2026 |
| Piloncillo G-1-265394 | TBM Catarina, LLC | Briscoe Ranch (Eagleford) | 1 | 24K | 442K | Jul 2012 – Apr 2021 |
| Killam-Hurd-Amoco Range G-4-98916 | Killam Oil Co., Ltd. | Casa Verde (Hirsch Lower) | 1 | 24K | 7.09M | by Jan 1993 – Aug 2026 |
| Bruni Mineral Trust "B" G-4-180562 | Killam Oil Co., Ltd. | Moritas Creek (8500) | 1 | 24K | 3.64M | Nov 2000 – Apr 2022 |
| Norvehc G-4-228977 | Varas Energy Operating Company, | Tiffany (Wilcox Carrizo) | 1 | 23.9K | 1.81M | Apr 2007 – Aug 2026 |
| Alley G-4-114352 | Hilcorp Energy Company | Vaquillas Ranch (Lobo Cons.) | 1 | 23.9K | 4.84M | by Jan 1993 – Aug 2026 |
| Alexander, Charles G-4-169465 | Columbus Energy, LLC | Bashara-Hereford (7300) | 1 | 23.9K | 3.3M | May 1998 – Sep 2016 |
| Union Ranch-Moreno GU G-4-192640 | Mountain V Texas, LLC | Tiffany (Wilcox Carrizo) | 1 | 23.9K | 4.03M | Dec 2002 – Aug 2026 |
| Benavides, Rosa V. B4 G-4-163554 | Hilcorp Energy Company | Benavides (Lobo Cons.) | 1 | 23.9K | 1.19M | Jun 1997 – Aug 2026 |
| B.M.T. G-4-170764 | Hilcorp Energy Company | B.M.T. (Lobo Cons.) | 1 | 23.9K | 5.25M | Oct 1998 – Aug 2026 |
| Piloncillo G-1-265395 | TBM Catarina, LLC | Briscoe Ranch (Eagleford) | 1 | 23.8K | 419K | Jul 2012 – Apr 2026 |
| Gates "N" TR4 G-4-289660 | Lewis Petro Properties, Inc. | Gold River, North (Olmos) | 1 | 23.8K | 529K | Oct 2019 – Jun 2025 |
| Bruni Mineral Trust "B" G-4-248708 | Hilcorp Energy Company | Bashara-Hereford (7300) | 1 | 23.8K | 3.4M | Mar 2009 – Aug 2026 |
| James Trust G-1-279004 | Lewis Petro Properties, Inc. | Hawkville (Eagleford Shale) | 1 | 23.8K | 4.12M | Jun 2015 – Aug 2026 |
| Russell - Winch G-4-193163 | Arete Operating Company, LLC | Vaquillas Ranch (Lobo Cons.) | 1 | 23.7K | 1.21M | Jan 2003 – Jul 2026 |
| Carr G-4-146049 | Conocophillips Company | Vaquillas Ranch (Lobo Cons.) | 1 | 23.7K | 939K | Jul 1993 – Oct 1998 |
| BMT/K&H G-4-185467 | Mountain V Texas, LLC | Zwebb (10350) | 1 | 23.7K | 3.65M | Aug 2001 – Aug 2026 |
| Benavides, Rosa V. "B" G-4-132633 | Hilcorp Energy Company | Benavides (Lobo Cons.) | 1 | 23.7K | 1.14M | by Jan 1993 – Aug 2026 |
| Vaquillas Ranch Co. Ltd. G-4-172454 | Hilcorp Energy Company | Vaquillas Ranch (Lobo Cons.) | 1 | 23.6K | 1.99M | Feb 1999 – Aug 2026 |
| Benavides, Rosa V. A1 G-4-92309 | Hilcorp Energy Company | Benavides (Lobo Cons.) | 1 | 23.6K | 1.16M | by Jan 1993 – Aug 2026 |