| Btlt G-4-235132 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Starr | 1 | 26.2K | 1.72M | Feb 2008 – Apr 2015 |
| Shelton, Ben O-2-9389 | Finaly Resources LLC only | Ben Shelton (6120) | Victoria | 1 | 26.1K | 38.8K | Sep 2009 – Sep 2019 |
| Briscoe Catarina West G-1-269539 | Javelin Energy Partners Mgmt LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 26.1K | 548K | Jan 2013 – Aug 2026 |
| McAllen Fieldwide Unit G-4-173960 | Totalfinaelf E&P USA Inc only | McAllen (Bond C) | Hidalgo | 1 | 25.8K | 1.8M | Aug 1997 – Dec 2001 |
| Carminati "A" O-13-24081 | Wise Production Company only | Wagg (Strawn, Upper) | Montague | 1 | 25.8K | 24 | by Jan 1993 – Feb 2024 |
| Schweers, M. F. O-1-1714 | Texas Secondary Oil Corporation only | Taylor-Ina | Medina | 14 | 25.7K | 21 | by Jan 1993 – Aug 2026 |
| TSL 33105/TR 53/ G-4-266645 | White Marlin Operating Co, LLC only | Encinal Channel (FB-B, K-2,3) | Nueces | 1 | 25.5K | 2.12M | Jan 2012 – Jul 2017 |
| Johnson -86- O-10-34727 | Atlantic Operating, Inc. only | Pinal Dome, Central (Delaware) | Loving | 2 | 25.3K | 90K | Sep 1995 – Jul 2010 |
| Fina Conoco Fee G-4-154156 | Fina Oil & Chemical Company only | Frost, North (Orive) | Starr | 1 | 25.2K | 472K | Dec 1994 – May 1998 |
| Theiss et al Gas Unit G-4-251971 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 25.2K | 1.59M | Sep 2009 – Aug 2026 |
| Piloncillo G-1-283055 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 25.2K | 565K | May 2017 – Aug 2026 |
| Bailey, James Jr. O-1-9770 | Calfas Cattle & Oil, LLC only | Taylor-Ina | Medina | 36 | 25.2K | 215 | by Jan 1993 – Aug 2026 |
| Bendele, Henry O-1-3602 | Amelia Exploration LLC only | Taylor-Ina | Medina | 6 | 25.1K | 21 | by Jan 1993 – Aug 2026 |
| Knox, J. W. G-4-188526 | Transpacific Energy, LLC only | Reina (Basal Queen City) | Starr | 1 | 25.1K | 1.04M | Dec 2001 – Aug 2026 |
| D. Gonzalez O-4-13967 | Finaly Resources LLC only | Agua Prieta | Duval | 1 | 25.1K | 0 | May 2015 – Jan 2026 |
| Daniell-Quinn O-3-23280 | Silverbrook Operating, LLC only | China, South | Jefferson | 1 | 25.1K | 1 | Jun 1997 – Aug 2026 |
| Johnson O-10-35084 | Propel Energy, LLC only | Pinal Dome (Cherry Canyon) | Loving | 1 | 25.1K | 72.8K | Sep 1996 – Jan 2012 |
| Wiesehan-Walker Gas Unit G-4-226014 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 25K | 3.47M | Jan 2007 – Aug 2026 |
| Davis, W.J. G-4-88723 | Shell Western E&P only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 25K | 1.14M | Mar 1993 – Mar 2005 |
| B. A. M. Land Company G-3-221514 | Ballard Exploration Company,inc. only | China (Yegua EY-3) | Jefferson | 1 | 25K | 281K | Jan 2006 – Jun 2007 |
| Piloncillo G-1-268408 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Webb | 1 | 25K | 658K | Sep 2012 – Aug 2026 |
| Petty Ranch G-1-178559 | White Oak Operating Company LLC only | Catarina, SW. (San Miguel-Gas) | Webb | 1 | 24.9K | 1.05M | Jun 2000 – Feb 2016 |
| Hoffman -A- O-4-7644 | Finaly Resources LLC only | Hoffman | Duval | 1 | 24.9K | 988 | by Jan 1993 – Mar 2026 |
| Herring-Holloway O-1-1710 | Production Resources, Inc. only | Taylor-Ina | Medina | 23 | 24.9K | 29 | by Jan 1993 – Aug 2026 |
| Kurtz 'A' O-9-16923 | MM China Star Oil Co., LLC only | Deike (Fry) | Runnels | 1 | 24.9K | 7.86K | Mar 2009 – Jun 2026 |
| Pharr Fieldwide Unit G-4-165027 | Totalfinaelf E&P USA Inc only | Pharr (Bond) | Hidalgo | 1 | 24.7K | 1.93M | Feb 1997 – Jun 2003 |
| Boston Texas Land & Trust G-4-276356 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 24.7K | 3.9M | Dec 2014 – Aug 2026 |
| Boston Texas Land & Trust G-4-269233 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 24.6K | 1.46M | Dec 2012 – Aug 2026 |
| Wilson, J. N. -B- O-1-1829 | Production Resources, Inc. only | Taylor-Ina | Medina | 17 | 24.6K | 29 | by Jan 1993 – Aug 2026 |
| Piloncillo G-1-265405 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Webb | 1 | 24.6K | 675K | Apr 2012 – Jul 2018 |
| Piloncillo G-1-271104 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Webb | 1 | 24.5K | 496K | May 2013 – Aug 2026 |
| Piloncillo G-1-268430 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Webb | 1 | 24.4K | 365K | Jul 2012 – Jul 2026 |
| Allen, J. H. -E- O-2-873 | McGowan Working Partners, Inc. only | Lolita (Marginulina Zone) | Jackson | 3 | 24.3K | 8.7K | by Jan 1993 – Aug 2011 |
| Davis, W.J. G-4-149887 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 24.3K | 1.78M | May 1994 – Aug 2005 |
| Whataburger O-1-14037 | L & J Exploration, LLC only | Catarina, E. (Olmos A) | Dimmit | 1 | 24.2K | 58.3K | Feb 1996 – Aug 2017 |
| Piloncillo G-1-267080 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Webb | 1 | 24.1K | 710K | Jan 2012 – Aug 2026 |
| Piloncillo G-1-265394 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Webb | 1 | 24K | 442K | Jul 2012 – Apr 2021 |
| Interfinancial Corp. G-3-129395 | Seagull Energy E&P Inc. only | Taylor Lake, E. (Tex 2-II) | Harris | 1 | 24K | 3.9M | by Jan 1993 – Jun 1999 |
| King Ranch Tijerina G-4-286020 | EOG Resources, Inc. only | T-C-B (Vxbg Consolidated) | Kleberg | 1 | 24K | 985K | Sep 2018 – Aug 2026 |
| Salinas, J O-4-13278 | Dark Horse Producing of TX, L.P. only | Rosita, W. (Pettus, Massive) | Duval | 2 | 23.9K | 0 | Jan 2005 – Sep 2023 |
| Chandler A O-1-17487 | Warwick-Artemis, LLC only | Marcelina Creek (Buda) | Wilson | 1 | 23.9K | 12.2K | Sep 2013 – Apr 2022 |
| Crawford G-3-162708 | EOG Resources, Inc. only | Angelina (11,800) | Jefferson | 1 | 23.9K | 1.16M | Feb 1997 – Sep 1999 |
| Piloncillo G-1-265395 | TBM Catarina, LLC only | Briscoe Ranch (Eagleford) | Webb | 1 | 23.8K | 419K | Jul 2012 – Apr 2026 |
| Brainard Unit 14 G-14-283174 | BE Anadarko II, LLC only | Lipscomb (Cleveland) | Hutchinson | 1 | 23.6K | 214K | Sep 2017 – Aug 2026 |
| State Tract -155- O-4-251 | Fina Oil & Chemical Company only | Bird Island | Kleberg | 1 | 23.6K | 157K | by Jan 1993 – Jul 2000 |
| State Tract 169 G-4-161737 | Totalfinaelf E&P USA Inc only | Bird Island (10-D) | Kleberg | 1 | 23.6K | 439K | Jun 1996 – Sep 1998 |
| Baten G-3-131789 | EOG Resources, Inc. only | Angelina, N. (Frio 11000) | Chambers | 1 | 23.6K | 688K | by Jan 1993 – May 2000 |
| Dlugosch O-2-11214 | Terrafina Energy, LLC only | Cook, SW. (7250) | De Witt | 2 | 23.6K | 150K | Nov 2013 – Jun 2018 |
| Reinhard Unit O-1-13684 | First Rock, Inc. only | Marcelina Creek (Buda) | Wilson | 2 | 23.5K | 5.17K | Feb 1993 – Sep 2000 |
| Brainard 62 O-14-8707 | Le Norman Operating LLC only | Horsecreek N. E. (Cleveland) | Lipscomb | 1 | 23.4K | 137K | Apr 2012 – Sep 2015 |