| M. Cusack B G-2-268027 | BPX Operating Company only | Eagleville (Eagle Ford-2) | De Witt | 1 | 208K | 1.86M | Feb 2012 – Apr 2026 |
| M. Cusack A G-2-268029 | BPX Operating Company only | Eagleville (Eagle Ford-2) | De Witt | 1 | 189K | 1.55M | Jan 2012 – Jul 2025 |
| M. Cusack B G-2-281936 | BPX Operating Company only | Eagleville (Eagle Ford-2) | De Witt | 1 | 130K | 1.22M | Feb 2015 – Apr 2026 |
| Middleton-Sachs a Unit G-1-273725 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 105K | 519K | Dec 2013 – Apr 2026 |
| M. Cusack B G-2-281944 | BPX Operating Company only | Eagleville (Eagle Ford-2) | De Witt | 1 | 104K | 940K | Feb 2015 – Apr 2026 |
| Cleveland Crest G-3-223605 | Resaca Resources, L.L.C. only | Cleveland (Wilcox 9000) | Liberty | 1 | 58K | 206K | Apr 2007 – Jun 2010 |
| Huisache Cattle Company "B" G-4-267735 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 54.9K | 2.21M | Nov 2011 – Apr 2026 |
| Huisache Cattle Company "B" G-4-271154 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 52K | 3.66M | Jun 2013 – Apr 2026 |
| Huisache Cattle Company 'B' G-4-274187 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 49.6K | 4.82M | Oct 2013 – Apr 2026 |
| Future Sace LLC G-3-257767 | Choice Exploration, Inc. only | Cottonwood, S.E. (Yegua) | Liberty | 1 | 47.2K | 326K | Jun 2010 – Apr 2013 |
| Huisache Cattle Company "B" G-4-270197 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 46.1K | 4.13M | Nov 2012 – Apr 2026 |
| Huisache Cattle Company "B" G-4-268987 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 41.4K | 4.07M | Apr 2012 – Apr 2024 |
| Huisache Cattle Company "B" G-4-264910 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 34.7K | 2.8M | Dec 2011 – Apr 2026 |
| Huisache Cattle Company "B" G-4-270713 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 33.6K | 2.64M | Nov 2012 – Apr 2026 |
| Senesac-Bath G-6-293267 | Valence Operating Company only | Beckville (Cotton Valley) | Rusk | 1 | 23.4K | 2.68M | Jun 2022 – Apr 2026 |
| Huisache Cattle Co. B G-4-273105 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 18.6K | 1.44M | Jul 2013 – Apr 2026 |
| Huisache Cattle Company A G-4-274256 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 12.4K | 1.81M | Feb 2014 – Apr 2026 |
| Huisache Cattle Company A G-4-274249 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 10.1K | 1.78M | Oct 2013 – Apr 2026 |
| McCaskill G-2-269580 | Resaca Resources, L.L.C. only | McCaskill (Lower Wilcox) | Karnes | 1 | 9.95K | 687K | Nov 2011 – Aug 2015 |
| Huisache Cattle Company G-4-187050 | Hilcorp Energy Company only | B.M.T. (Lobo Cons.) | Webb | 1 | 9.33K | 3.68M | Dec 2001 – Apr 2026 |
| Huisache Cattle Company A G-4-277743 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 8.93K | 2.42M | Dec 2014 – Apr 2026 |
| Senesac, Nolan G-6-183018 | Valence Operating Company only | Oak Hill (Cotton Valley) | Rusk | 1 | 8.89K | 1.44M | Feb 2001 – Apr 2026 |
| Davis Estate G-3-269396 | Resaca Resources, L.L.C. only | Pelican | Liberty | 1 | 8.74K | 514K | Oct 2011 – Jun 2019 |
| Rudman G-6-130786 | Pedernales Petroleum OP, LLC only | Jossac (Pettit) | Panola | 1 | 8.64K | 235K | by Jan 1993 – Apr 2026 |
| Huisache Cattle Company A G-4-271177 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 7.63K | 1.3M | Jun 2013 – Apr 2026 |
| Huisache Cattle Company A G-4-274850 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 7.16K | 1.03M | Jul 2014 – Apr 2026 |
| Huisache Cattle Company A G-4-274845 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 7.15K | 590K | Jul 2014 – Mar 2026 |
| Huisache Cattle Company A G-4-269001 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 6.19K | 1.46M | Feb 2013 – Apr 2026 |
| Beauchamp G-2-258595 | Resaca Resources, L.L.C. only | A-B-R (Wilcox 3RD, Massive) | Goliad | 1 | 6.08K | 310K | Oct 2010 – Dec 2013 |
| Huisache G-4-198424 | Bordertown Energy Resources, LLC only | Jones (4500 Stray) | Jim Hogg | 1 | 5.66K | 1.07M | Nov 2003 – Jun 2021 |
| Huisache Cattle Company 'B' G-4-274271 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 5.65K | 114K | Dec 2013 – Apr 2026 |
| Senesac, Nolan G-6-186664 | Valence Operating Company only | Oak Hill (Cotton Valley) | Rusk | 1 | 5.31K | 440K | Dec 2001 – Oct 2016 |
| Senesac, Nolan G-6-144720 | Valence Operating Company only | Oak Hill (Cotton Valley) | Rusk | 1 | 4.99K | 521K | Feb 1993 – Nov 2000 |
| Arnold, Issac et Al G-2-156477 | Wofford, C. J. only | Speaks, S.W. (5800) | Lavaca | 1 | 4.81K | 587K | Jun 1995 – Jul 1999 |
| McCaskill G-2-259009 | Resaca Resources, L.L.C. only | McCaskill (Wilcox L-3) | Karnes | 1 | 4.63K | 215K | Nov 2010 – Sep 2011 |
| Senesac, Nolan G-6-197199 | Valence Operating Company only | Oak Hill (Cotton Valley) | Rusk | 1 | 4.18K | 677K | Jul 2003 – Apr 2026 |
| Huisache Cattle Co. G-4-185168 | Hilcorp Energy Company only | B.M.T. (Lobo Cons.) | Webb | 1 | 3.79K | 1.76M | Aug 2001 – Apr 2026 |
| Huisache Cattle Company A G-4-260640 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 3.34K | 1.63M | Jul 2010 – Apr 2026 |
| Huisache Cattle Company 'B' G-4-274272 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 3.1K | 88.6K | Apr 2014 – Apr 2026 |
| South Texas Syndicate G-1-147449 | Silver Pines Energy Corp. only | Quinnsache, SW. (6100 Sand) | La Salle | 1 | 2.78K | 450K | Nov 1993 – Aug 2002 |
| Sackett G-13-185011 | Peterson Oil and Gas LLC only | Newark, East (Barnett Shale) | Denton | 1 | 2.44K | 155K | Oct 2001 – Sep 2025 |
| Johnson, Mary G-4-102977 | Huisache E & P Company, LLC only | Monte Christo (VX-Eckart-EE CNS) | Hidalgo | 1 | 2.28K | 629K | Feb 1993 – Dec 2013 |
| Sachtleben G-6-145616 | Sydri Operating, LLC only | Maronda (Travis Peak) | Rusk | 1 | 2.2K | 271K | May 1993 – Jul 2021 |
| Karankawa G-3-227595 | Resaca Resources, L.L.C. only | Pelican (Cockfield) | Liberty | 1 | 2.07K | 296K | Aug 2007 – Mar 2011 |
| Black Stone Southland G-3-273185 | Resaca Resources, L.L.C. only | Splendora (Yegua 6600) | Montgomery | 1 | 1.99K | 170K | Oct 2012 – Oct 2013 |
| Fisher-Bonsack G-10-20637 | White Rock Oil & Gas, LLC only | Puckett (Ellenburger) | Pecos | 1 | 1.86K | 17.5M | by Jan 1993 – Apr 2026 |
| Sackett G-13-187794 | Felderhoff Production Company only | Newark, East (Barnett Shale) | Denton | 1 | 1.75K | 61.7K | Feb 2002 – May 2007 |
| Sachtleben Gas Unit G-6-226958 | Sydri Operating, LLC only | Naconiche Creek (Rod.-TP Cons.) | Rusk | 1 | 1.62K | 133K | Mar 2007 – Jun 2024 |
| Huisache Cattle Co. G-4-200066 | Hilcorp Energy Company only | B.M.T. (Lobo Cons.) | Webb | 1 | 1.43K | 1.24M | Nov 2003 – Apr 2026 |
| Huisache State Hachar GU A G-4-277870 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 1.36K | 1.66M | Dec 2014 – Apr 2026 |