| Lopez Unit G-2-298226 | Verdun Oil & Gas LLC only | Eagleville (Eagle Ford-2) | Live Oak | 1 | 709K | 2.64M | Nov 2017 – Apr 2026 |
| Lopez O-4-13295 | Atlas Operating LLC only | Encinitas (Frio 7310) | Brooks | 2 | 378K | 347K | Feb 2005 – Mar 2026 |
| Lopez -A- O-4-2035 | Trium, Ltd. only | Orlee | Duval | 18 | 268K | 120 | Jan 1993 – Feb 2026 |
| Lopez Unit O-2-10525 | Verdun Oil & Gas LLC only | Eagleville (Eagle Ford-2) | Live Oak | 5 | 255K | 1.15M | May 2013 – Mar 2023 |
| Barbara Lips Gas Unit G-4-147263 | Besco Operating, L.P. only | Lopez Ranch (Consolidated) | Brooks | 1 | 226K | 5.49M | Oct 1993 – Apr 2026 |
| Lips, Barbara "C" (Ecr) G-4-146535 | Besco Operating, L.P. only | Lopez Ranch (Consolidated) | Brooks | 1 | 213K | 6.6M | Aug 1993 – Jun 2022 |
| Lopez Unit O-1-18394 | EOG Resources, Inc. only | Eagleville (Eagle Ford-1) | Atascosa | 1 | 185K | 93.9K | Mar 2015 – Apr 2026 |
| Lopez, Gloria Garcia G-4-93171 | Hilcorp Energy Company only | Rucias, N. (FB E V-17) | Brooks | 1 | 181K | 11.9M | Jan 1993 – Apr 2026 |
| Lopez, G.G. O-4-13385 | Hilcorp Energy Company only | Kelsey (Frio Consol.) | Brooks | 2 | 175K | 268K | Jun 2006 – Aug 2024 |
| Barbara Lips Gas Unit G-4-156299 | Besco Operating, L.P. only | Lopez Ranch (Consolidated) | Brooks | 1 | 173K | 7.14M | Jan 1995 – Apr 2026 |
| Lopez, Gloria Garcia G-4-95617 | Hilcorp Energy Company only | Rucias, N. (FB E V-17) | Brooks | 1 | 163K | 8.87M | Jan 1993 – Apr 2026 |
| Barbara Lips Gas Unit G-4-148434 | Besco Operating, L.P. only | Lopez Ranch (Consolidated) | Brooks | 1 | 163K | 8.19M | Jan 1994 – Apr 2018 |
| South Lopez Unit O-4-4390 | Mirando Resource, L.L.C. only | Lopez | Webb | 69 | 162K | 39 | Jan 1993 – Mar 1999 |
| Lisandro Longoria et al Gas Unit G-4-146950 | Omta Operating LLC only | Lopez Ranch (Consolidated) | Brooks | 1 | 161K | 5.92M | Aug 1993 – Apr 2026 |
| Lopez, Gloria Garcia G-4-194940 | Hilcorp Energy Company only | Rucias, N. (FB E) | Brooks | 1 | 152K | 1.89M | Apr 2003 – Oct 2011 |
| Lips, Barbara "C" (Ecr) G-4-143027 | Besco Operating, L.P. only | Lopez Ranch (Consolidated) | Brooks | 1 | 149K | 7.07M | Jan 1993 – Apr 2026 |
| De Lopez, C. V. O-4-3075 | Killam Oil Co., Ltd. only | Sun | Starr | 1 | 147K | 1.21M | Jan 1993 – Jan 2024 |
| Lopez G-4-207795 | Atlas Operating LLC only | Encinitas (V-15) | Brooks | 1 | 143K | 186K | Feb 2005 – Jan 2007 |
| Duval County Ranch Co. State -P- O-4-1655 | Caribbean Energy LLC II only | Lopez, North (Lopez) | Duval | 9 | 138K | 20 | Jan 1993 – Oct 2024 |
| Barbara Lips Gas Unit G-4-154311 | Besco Operating, L.P. only | Lopez Ranch (Consolidated) | Brooks | 1 | 135K | 5.25M | Mar 1995 – Feb 2013 |
| Lopez Unit G-2-291998 | Verdun Oil & Gas LLC only | Eagleville (Eagle Ford-2) | Live Oak | 1 | 130K | 732K | Nov 2021 – Apr 2026 |
| Duval Co. Ranch Co. -C- O-4-1654 | Caribbean Energy LLC II only | Lopez, North (Lopez) | Duval | 3 | 130K | 20 | Jan 1993 – Apr 2026 |
| Lopez, H. G-4-270281 | Merit Energy Company only | Lopez Ranch (Consolidated) | Brooks | 1 | 126K | 4.01M | May 2013 – Aug 2021 |
| Lopez, H. G-4-247316 | Merit Energy Company only | Lopez Ranch (Consolidated) | Brooks | 1 | 118K | 2.78M | Jan 2009 – Aug 2018 |
| Lopez, H. G-4-265953 | Merit Energy Company only | Lopez Ranch (Consolidated) | Brooks | 1 | 114K | 3.17M | Nov 2012 – Nov 2020 |
| Lopez, Gloria G. G-4-84078 | Hilcorp Energy Company only | Rucias, N. (FB E) | Brooks | 1 | 114K | 4.92M | Jan 1993 – Feb 2006 |
| Lopez Unit A O-1-18887 | Murphy Expl. & Prod. Co. - USA only | Lorenzo (Austin Chalk) | Dimmit | 1 | 112K | 203K | Sep 2016 – Apr 2026 |
| Lips, Barbara "C" (Ecr) G-4-153563 | Bopco, L.P. only | Lopez Ranch (Consolidated) | Brooks | 1 | 109K | 3.2M | Jan 1995 – Nov 2008 |
| Lopez, H. G-4-242334 | Merit Energy Company only | Lopez Ranch (Consolidated) | Brooks | 1 | 106K | 2.07M | Oct 2008 – Apr 2026 |
| Lips, Barbara "C" (Ecr) G-4-141121 | Bass Enterprises Production Co. only | Lopez Ranch (Vksbg F1) | Brooks | 1 | 105K | 3.02M | Jan 1993 – Sep 2002 |
| Barbara Lips Gas Unit G-4-160202 | Besco Operating, L.P. only | Lopez Ranch (Consolidated) | Brooks | 1 | 102K | 6.13M | Sep 1996 – Apr 2020 |
| Gloria Lopez G-4-280268 | Cimarron Engineering, LLC only | Lopez Ranch (Consolidated) | Brooks | 1 | 101K | 1.19M | Mar 2016 – Jan 2026 |
| Lopez, Gloria Garcia G-4-198113 | Hilcorp Energy Company only | Rucias, N. (FB E) | Brooks | 1 | 94.7K | 7.63M | Nov 2003 – Apr 2026 |
| Lopez, Gloria Garcia G-4-219631 | Hilcorp Energy Company only | Rucias, N. (FB E) | Brooks | 1 | 89.7K | 7.14M | Mar 2006 – Apr 2026 |
| Lopez, H. G-4-272979 | Merit Energy Company only | Lopez Ranch (Consolidated) | Brooks | 1 | 89.3K | 3.51M | May 2014 – Apr 2026 |
| Lisandro Longoria et al Gas Unit G-4-169606 | Omta Operating LLC only | Lopez Ranch (Consolidated) | Brooks | 1 | 87.6K | 2.11M | May 1998 – Apr 2026 |
| El Coyote "C" G-4-171591 | Bopco, L.P. only | Lopez Ranch (Vksbg. E) | Brooks | 1 | 86.2K | 2.91M | Sep 1998 – May 2015 |
| Santerra O-4-13690 | Rattlesnake Operating Co, LLC only | Lopez, North (Lopez) | Duval | 10 | 86.1K | 0 | Oct 2011 – Mar 2026 |
| Gloria Lopez G-4-282310 | Cimarron Engineering, LLC only | Lopez Ranch (Consolidated) | Brooks | 1 | 84.7K | 1.19M | Apr 2017 – Mar 2026 |
| Lopez, H. G-4-271189 | Merit Energy Company only | Lopez Ranch (Consolidated) | Brooks | 1 | 80.9K | 2.63M | Nov 2013 – Mar 2020 |
| Lisandro Longoria et al Gas Unit G-4-159930 | Omta Operating LLC only | Lopez Ranch (Consolidated) | Brooks | 1 | 79.2K | 2.36M | Jul 1996 – Apr 2026 |
| Lopez, H. G-4-257989 | Merit Energy Company only | Lopez Ranch (Consolidated) | Brooks | 1 | 77.7K | 1.86M | Oct 2010 – Jan 2015 |
| Lopez Creek O-9-14469 | Boyd & McWilliams Energy Group only | Sugg-Irion (Wolfcamp) | Irion | 2 | 77.5K | 233K | Oct 1996 – Mar 2012 |
| Lopez O-2-12505 | Field Petroleum Corp. only | Pawnee, S. (Lulling) | Bee | 1 | 75.7K | 19.7K | Mar 2022 – Apr 2026 |
| Gloria Garcia Lopez G-4-197671 | Hilcorp Energy Company only | Rucias, N. (FB E V-17) | Brooks | 1 | 74.6K | 4.14M | Sep 2003 – Nov 2011 |
| Lopez, H. G-4-240990 | Merit Energy Company only | Lopez Ranch (Consolidated) | Brooks | 1 | 74.1K | 1.34M | Nov 2007 – Dec 2024 |
| Longoria, Octavio et Al G-4-170870 | Omta Operating LLC only | Lopez Ranch (Consolidated) | Brooks | 1 | 72.1K | 1.72M | Jul 1998 – Apr 2026 |
| Lopez, H. G-4-251217 | Merit Energy Company only | Lopez Ranch (Consolidated) | Brooks | 1 | 67.4K | 1.55M | Jun 2009 – Apr 2026 |
| Longoria, Lisandro Etal Gas Unit G-4-112176 | Omta Operating LLC only | Lopez Ranch (Consolidated) | Brooks | 1 | 66.7K | 3.46M | Jan 1993 – Apr 2026 |
| Lopez, H. G-4-274763 | Merit Energy Company only | Lopez Ranch (Consolidated) | Brooks | 1 | 61.8K | 1.46M | Jun 2014 – Dec 2022 |