| Moreno GU G-4-236615 | Varas Energy Operating Company, | Tiffany (Wilcox Carrizo) | 1 | 15.5K | 2.99M | Mar 2008 – Aug 2026 |
| Petty, O. S. G-4-168029 | White Oak Operating Company LLC | Gold River, North (Olmos) | 1 | 15.5K | 140K | Apr 1998 – Jun 2016 |
| Briscoe-Manry 1131 G-4-258940 | Lewis Petro Properties, Inc. | Owen (Olmos) | 1 | 15.5K | 593K | Apr 2010 – Aug 2026 |
| Lechenger G-4-159840 | Hilcorp Energy Company | Benavides (Lobo Cons.) | 1 | 15.5K | 1.99M | Aug 1996 – Aug 2026 |
| Laurel, Angel G-4-174908 | BZG E&P LLC | Cuba Libre (3RD Hinnant) | 1 | 15.5K | 1.73M | Oct 1999 – Aug 2026 |
| Dcrc "3" O-4-12683 | Killam Oil Co., Ltd. | Moca | 1 | 15.4K | 105K | Feb 1997 – Mar 2001 |
| Russell-Winch G-4-111905 | Arete Operating Company, LLC | Vaquillas Ranch (Lobo Cons.) | 1 | 15.4K | 1.87M | by Jan 1993 – Jul 2026 |
| Garcia, F. G. O-4-1408 | Outline Oil Company LLC | Killam | 3 | 15.4K | 16 | by Jan 1993 – Apr 2024 |
| Galvan Ranch G-1-281069 | Caturus Energy, LLC | Briscoe Ranch (Eagleford) | 1 | 15.4K | 2.57M | Mar 2017 – Mar 2023 |
| Briscoe R G-1-281255 | SM Energy Company | Briscoe Ranch (Eagleford) | 1 | 15.4K | 402K | Jul 2016 – Feb 2019 |
| Martinez, D. G-4-138643 | Columbus Energy, LLC | Bashara-Hereford (7300) | 1 | 15.3K | 7.51M | by Jan 1993 – Sep 2017 |
| B. M. T. G-4-177671 | Hilcorp Energy Company | B.M.T. (Lobo Cons.) | 1 | 15.3K | 1.25M | May 2000 – Aug 2026 |
| Galvan Ranch G-1-281094 | Caturus Energy, LLC | Briscoe Ranch (Eagleford) | 1 | 15.3K | 3.24M | May 2017 – Aug 2026 |
| Lincoln Ranch G-4-198919 | Hilcorp Energy Company | Big Cowboy (Lobo) | 1 | 15.3K | 1.6M | Oct 2003 – Aug 2026 |
| Hirsch Estate 517 G-4-138518 | Hilcorp Energy Company | Big Cowboy (Lobo) | 1 | 15.3K | 1.45M | by Jan 1993 – Aug 2026 |
| Galvan Ranch LP G-1-268286 | SM Energy Company | Briscoe Ranch (Eagleford) | 1 | 15.3K | 3.85M | Jun 2012 – Aug 2026 |
| James Trust G-1-287443 | Lewis Petro Properties, Inc. | Hawkville (Eagleford Shale) | 1 | 15.3K | 5.11M | Jul 2019 – Aug 2026 |
| Cabezon G-4-202928 | EOG Resources, Inc. | Zwebb (10350) | 1 | 15.3K | 217K | Jul 2004 – Jan 2012 |
| Ramirez, J.E. G-4-203854 | Columbus Energy, LLC | Hereford (Lobo) | 1 | 15.2K | 2.68M | Aug 2004 – Aug 2026 |
| Cabezon G-4-231177 | Mountain V Texas, LLC | Zwebb (10350) | 1 | 15.2K | 730K | Sep 2007 – Jun 2026 |
| Vaquillas Ranch Co. Ltd G-4-144511 | Conocophillips Company | Vaquillas Ranch (Lobo Cons.) | 1 | 15.2K | 388K | by Jan 1993 – Mar 1998 |
| B.M.T. B G-4-194516 | Hilcorp Energy Company | B.M.T. (Lobo Cons.) | 1 | 15.2K | 1.16M | Dec 2002 – Aug 2026 |
| Dix Ranch a 1768 G-4-169014 | Conocophillips Company | Dix Ranch (Lower Wilcox Lobo) | 1 | 15.2K | 766K | Apr 1998 – Dec 2010 |
| Lundell-205 G-4-126447 | Hilcorp Energy Company | Vaquillas Ranch (Lobo Cons.) | 1 | 15.2K | 725K | by Jan 1993 – Aug 2026 |
| Slator Ranch G-4-230384 | Mountain V Texas, LLC | Stirling (Wilcox Consolidated) | 1 | 15.2K | 5.48M | Sep 2007 – Jun 2026 |
| Briscoe-Manry 1469 G-4-259626 | Lewis Petro Properties, Inc. | Owen (Olmos) | 1 | 15.1K | 2.43M | Aug 2010 – Aug 2026 |
| Alley G-4-177263 | Hilcorp Energy Company | Vaquillas Ranch (Lobo Cons.) | 1 | 15.1K | 985K | Feb 2000 – Aug 2026 |
| Killam Gonzalez A G-1-266786 | Lewis Petro Properties, Inc. | Briscoe Ranch (Eagleford) | 1 | 15.1K | 1.53M | Dec 2011 – Aug 2026 |
| Marshall, S.G. "B" G-4-157127 | Hilcorp Energy Company | Benavides (Lobo Cons.) | 1 | 15.1K | 2.36M | Jan 1996 – Aug 2026 |
| Galvan Ranch G-1-276770 | Caturus Energy, LLC | Briscoe Ranch (Eagleford) | 1 | 15.1K | 7.92M | May 2014 – Aug 2026 |
| Hirsch, I. Estate 517 G-4-133791 | Hilcorp Energy Company | Big Cowboy (Lobo) | 1 | 15.1K | 2.02M | by Jan 1993 – Aug 2026 |
| Gilpin G-4-272527 | Escondido Resources Oper Co, LLC | Owen (Olmos) | 1 | 15.1K | 2.28M | Oct 2013 – Aug 2026 |
| Hirsch-State-Norfleet Gas Unit G-4-141119 | Hilcorp Energy Company | Big Cowboy (Lobo) | 1 | 15.1K | 1.05M | by Jan 1993 – Jun 2025 |
| Dcrc "3D" G-4-148544 | Killam Oil Co., Ltd. | Moca (Wilcox Sand 3, Seg. 2) | 1 | 15.1K | 1.79M | Feb 1994 – Apr 2000 |
| Briscoe State AR (SA2) G-1-281026 | SM Energy Company | Briscoe Ranch (Eagleford) | 1 | 15.1K | 3.39M | Jan 2017 – Aug 2026 |
| Galvan Ranch G-1-299308 | Caturus Energy, LLC | Briscoe Ranch (Eagleford) | 1 | 15K | 2.56M | Jul 2025 – Aug 2026 |
| Alexander, Charles G-4-166543 | Columbus Energy, LLC | Bashara-Hereford (7300) | 1 | 15K | 1.37M | Dec 1997 – Aug 2007 |
| Hirsch Estate 2071 G-4-140147 | Hilcorp Energy Company | Big Cowboy (Lobo) | 1 | 15K | 1.58M | by Jan 1993 – Dec 2022 |
| Carr G-4-173888 | Hilcorp Energy Company | Vaquillas Ranch (Lobo Cons.) | 1 | 14.9K | 1.93M | Jun 1999 – Aug 2026 |
| Adams - Holbein O-4-11722 | JRG Exploration, Inc. | El Mesquite (5200) | 2 | 14.9K | 37.9K | by Jan 1993 – Dec 2005 |
| Galvan Ranch G-1-271523 | Caturus Energy, LLC | Briscoe Ranch (Eagleford) | 1 | 14.9K | 4.8M | Mar 2013 – Aug 2026 |
| Summers, Bruni G-4-180437 | Killam Oil Co., Ltd. | Moritas Creek (8500) | 1 | 14.9K | 1.64M | Dec 2000 – Aug 2026 |
| Las Raices Ranch G-4-259365 | XTO Energy Inc. | Gates Ranch (Eagle Ford Shale) | 1 | 14.9K | 659K | Sep 2010 – May 2025 |
| Gates 'N' TR4 G-1-289655 | Lewis Petro Properties, Inc. | Catarina, SW. (San Miguel-Gas) | 1 | 14.9K | 122K | Nov 2018 – Dec 2018 |
| Dix Ranch C G-4-142691 | Hilcorp Energy Company | Dix Ranch (Lower Wilcox Lobo) | 1 | 14.9K | 2.44M | by Jan 1993 – Jan 2011 |
| Lundell G-4-114284 | Hilcorp Energy Company | Vaquillas Ranch (Lobo Cons.) | 1 | 14.9K | 1.27M | by Jan 1993 – Aug 2026 |
| Briscoe "D" G-4-158231 | Mountain V Texas, LLC | Black Creek (Lobo) | 1 | 14.8K | 1.98M | Apr 1996 – Aug 2026 |
| Briscoe "J" O-4-13181 | SM Energy Company | Gold River, North (Olmos) | 4 | 14.8K | 331K | Aug 2003 – Jul 2010 |
| Benavides, Rosa V. E G-4-171664 | Hilcorp Energy Company | Benavides (Lobo Cons.) | 1 | 14.8K | 1.42M | Dec 1998 – Aug 2026 |
| Puig O-4-170 | Buck Management Co. L.L.C. | Aviators | 4 | 14.8K | 88 | by Jan 1993 – Mar 2001 |