| Afgrd Unit O-5-3330 | Newco Oil and Gas, LLC only | Alabama Ferry (Glenrose "D") | Leon | 100 | 8.71M | 12.2M | Jan 1993 – Jul 2026 |
| Fort Trinidad Dexter Unit O-3-22761 | Parten Operating Inc. only | Fort Trinidad (Dexter) | Houston | 17 | 1.88M | 75.7K | Sep 1995 – Jul 2026 |
| Shelly O-3-24853 | Empire Texas Operating LLC only | Fort Trinidad, East (Buda) | Houston | 18 | 1.71M | 2.09M | Mar 2006 – Jul 2026 |
| Federal NM-A-19772 O-6-10309 | Range Production Company only | Laura la Velle, S. (1600) | Houston | 21 | 922K | 8.31K | Jan 1993 – Nov 2003 |
| Bryant/Dailey O-6-13567 | Wheeler Operating Corporation only | Navarro Crossing (Woodbine) | Houston | 2 | 877K | 208K | Apr 1996 – Jul 2026 |
| Shaw, Mollie O-6-1833 | Rusk Energy Operating LLC only | Trinity | Houston | 25 | 863K | 8.4K | Jan 1993 – Jul 2026 |
| Huffman, L. W. O-6-1835 | Kodiak Oil & Gas, Inc. only | Trinity | Houston | 12 | 819K | 37 | Jan 1993 – Jul 2026 |
| Federal NM-A-19772 O-6-14248 | HD Operating Co, LLC only | Laura la Velle, E. (Carrizo) | Houston | 21 | 633K | 0 | Aug 2003 – Jul 2026 |
| Federal NM-A-19772 O-6-14240 | HD Operating Co, LLC only | Laura la Velle, E. (Massive WX) | Houston | 10 | 550K | 0 | Aug 2003 – Jul 2026 |
| Larue, H. O-6-13859 | Elliott Oil & Gas Operating Co. only | Sand Branch Creek (Buda) | Houston | 1 | 545K | 219K | Aug 1998 – Jul 2026 |
| Seven -J- Stock Farm, Inc. O-6-4925 | Parten Operating Inc. only | Mapleton (Durst Sd.) | Houston | 4 | 542K | 788K | Jan 1993 – Jul 2026 |
| Samedan Fee O-3-23132 | Rose City Resources, LLC only | Fort Trinidad, East (Buda) | Houston | 1 | 499K | 187K | Jun 1996 – Oct 2020 |
| Butler O-3-26835 | Empire Texas Operating LLC only | Fort Trinidad, East (Buda) | Houston | 3 | 448K | 599K | Dec 2014 – Jul 2026 |
| Maples O-3-25522 | Empire Texas Operating LLC only | Fort Trinidad, East (Buda) | Houston | 4 | 401K | 410K | Nov 2008 – Jul 2026 |
| Dominy, Angie O-6-14239 | HD Operating Co, LLC only | Laura la Velle, E. (Massive WX) | Houston | 10 | 384K | 0 | Aug 2003 – Jul 2026 |
| National Forest O-6-11686 | HD Operating Co, LLC only | Laura la Velle, S. (1600) | Houston | 21 | 384K | 27 | Jan 1993 – Jul 2026 |
| Bigger-Wright O-6-14854 | Etx Energy, LLC only | Sand Branch Creek (Buda) | Houston | 1 | 369K | 325K | Sep 2008 – Apr 2022 |
| Seven J Stock Farm, Inc O-3-23281 | Empire Texas Operating LLC only | Fort Trinidad, East (Buda) | Houston | 2 | 362K | 406K | Jan 1997 – Jul 2026 |
| English Oil Unit O-6-14241 | HD Operating Co, LLC only | Laura la Velle, E. (Massive WX) | Houston | 12 | 356K | 0 | Aug 2003 – Jul 2026 |
| Eastham State Prison Farm O-3-26074 | Trailblazer Energy Resources,llc only | Fort Trinidad, East (Buda) | Houston | 5 | 355K | 990K | Mar 2011 – Jul 2026 |
| Chandler O-3-26550 | Trailblazer Energy Resources,llc only | Ft. Trinidad,s.(ottos Sand) | Houston | 1 | 352K | 477K | Jun 2014 – Jul 2026 |
| Trinity State Bank O-6-1831 | Rusk Energy Operating LLC only | Trinity | Houston | 17 | 351K | 55 | Jan 1993 – Jul 2026 |
| USA-NM-A 19772 (Tex) O-6-10769 | Range Production Company only | Laura la Velle, S. (1600) | Houston | 17 | 346K | 27 | Jan 1993 – Oct 2003 |
| Farmers Oil Co. O-3-11948 | Parten Operating Inc. only | Fort Trinidad, W.(dexter) | Houston | 2 | 312K | 166K | Jan 1993 – Jul 2026 |
| Adams, C. T. Oil Unit #2 O-3-10826 | Beehive Operating, LLC only | Ft. Trinidad,s.(ottos Sand) | Houston | 2 | 286K | 31 | Jan 1993 – Jul 2026 |
| English Oil Unit O-6-14249 | HD Operating Co, LLC only | Laura la Velle, E. (Carrizo) | Houston | 7 | 272K | 0 | Aug 2003 – Jul 2026 |
| Dominy, Angie O-6-10380 | Range Production Company only | Laura la Velle, S. (1600) | Houston | 11 | 271K | 50 | Jan 1993 – Mar 2008 |
| Gore O-3-27341 | Interstate Explorations LLC only | Ft. Trinidad,s.(ottos Sand) | Houston | 1 | 265K | 448K | Apr 2018 – Jul 2026 |
| Cedar Branch Unit O-6-12834 | Big Creek Operating Company LLC only | Navarro Crossing (Woodbine) | Houston | 1 | 264K | 40.4K | Jan 1993 – Jul 2026 |
| David, John O-6-11769 | HD Operating Co, LLC only | Laura la Velle, S. (1600) | Houston | 6 | 248K | 27 | Jan 1993 – Jul 2026 |
| Seven J Stockfarm, Inc. O-3-23841 | Parten Operating Inc. only | Fort Trinidad (Georgetown Lime) | Houston | 1 | 230K | 257K | Dec 1999 – Jul 2026 |
| East Ft. Trinidad(dexter C) Unit O-3-10704 | Samedan Oil Corporation only | Ft. Trinidad, East (Dexter C) | Houston | 12 | 227K | 93.3K | Jan 1993 – Feb 2000 |
| English Oil Unit O-6-10378 | Range Production Company only | Laura la Velle, S. (1600) | Houston | 8 | 214K | 35 | Jan 1993 – May 2004 |
| Dominy, Angie O-6-14250 | HD Operating Co, LLC only | Laura la Velle, E. (Carrizo) | Houston | 10 | 193K | 0 | Aug 2003 – Jul 2026 |
| Montgomery O-6-12875 | Weathers Exploration, Inc. only | Navarro Crossing | Houston | 1 | 189K | 21.6K | Jan 1993 – Jul 2026 |
| Davis, R. M. O-6-14014 | Ridge Petroleum Inc. only | Sand Branch Creek (Buda) | Houston | 1 | 181K | 73.8K | May 2000 – Jul 2026 |
| Troutman, T.L. O-6-14243 | HD Operating Co, LLC only | Laura la Velle, E. (Massive WX) | Houston | 4 | 176K | 0 | Aug 2003 – Jul 2026 |
| Larue Heirs O-6-14848 | Trailblazer Energy Resources,llc only | Sand Branch Creek (Buda) | Houston | 2 | 175K | 91.8K | Jun 2008 – Feb 2023 |
| USA-NM-A 19772 (Tex) O-6-14254 | HD Operating Co, LLC only | Laura la Velle, E. (Carrizo) | Houston | 14 | 167K | 0 | Aug 2003 – Jul 2026 |
| Shaw, Mollie -B- O-6-13645 | Rusk Energy Operating LLC only | Trinity | Houston | 11 | 163K | 16.4K | Dec 1996 – Jul 2026 |
| Etheredge O-3-25952 | Maximus Operating, Ltd. only | Fort Trinidad, East (Buda) | Houston | 1 | 162K | 107K | Nov 2011 – Jul 2026 |
| Walters, Ralph J. O-6-12202 | HD Operating Co, LLC only | Laura la Velle, S. (1600) | Houston | 8 | 157K | 27 | Jan 1993 – Jul 2026 |
| Sumrall O-6-12880 | Weathers Exploration, Inc. only | Navarro Crossing | Houston | 1 | 154K | 17.8K | Jan 1993 – Jul 2026 |
| W. A. Adams Gas Unit O-3-25424 | Trailblazer Energy Resources,llc only | Fort Trinidad, East (Buda) | Houston | 1 | 151K | 284K | Dec 2008 – Jul 2026 |
| Troutman, T.L. O-6-10516 | Range Production Company only | Laura la Velle, S. (1600) | Houston | 10 | 136K | 42 | Jan 1993 – Jun 2004 |
| Ella Jane O-3-26387 | Trailblazer Energy Resources,llc only | Fort Trinidad, East (Buda) | Houston | 2 | 133K | 305K | Aug 2013 – Jul 2026 |
| Turner Unit O-3-26407 | Empire Texas Operating LLC only | Fort Trinidad, East (Buda) | Houston | 2 | 132K | 116K | Jun 2013 – Jul 2026 |
| Mollie Shaw "G" O-6-1832 | Rusk Energy Operating LLC only | Trinity | Houston | 3 | 127K | 688 | Jan 1993 – Jul 2026 |
| Champion International D 1 O-3-24212 | Parten Operating Inc. only | Ft. Trinidad, SW. (Buda) | Houston | 1 | 127K | 177K | Jun 2002 – Oct 2016 |
| J.A. Chandler O-3-26823 | Jamex, Inc. only | Ft. Trinidad,s.(ottos Sand) | Houston | 1 | 123K | 164K | Jun 2015 – Jul 2026 |