| Shelly O-3-24853 | Empire Texas Operating LLC only | Fort Trinidad, East (Buda) | Houston | 18 | 1.71M | 2.09M | Sep 2012 – Aug 2026 |
| Federal NM-A-19772 O-6-10309 | Range Production Company only | Laura la Velle, S. (1600) | Houston | 21 | 922K | 8.31K | by Jan 1993 – Jul 2003 |
| Federal NM-A-19772 O-6-14248 | HD Operating Co, LLC only | Laura la Velle, E. (Carrizo) | Houston | 21 | 635K | 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 – Apr 2025 |
| Larue, H. O-6-13859 | Elliott Oil & Gas Operating Co. only | Sand Branch Creek (Buda) | Houston | 1 | 545K | 219K | Aug 1998 – Mar 2019 |
| National Forest O-6-11686 | HD Operating Co, LLC only | Laura la Velle, S. (1600) | Houston | 21 | 384K | 27 | by Jan 1993 – May 2026 |
| Dominy, Angie O-6-14239 | HD Operating Co, LLC only | Laura la Velle, E. (Massive WX) | Houston | 10 | 384K | 0 | Aug 2003 – Mar 2025 |
| English Oil Unit O-6-14241 | HD Operating Co, LLC only | Laura la Velle, E. (Massive WX) | Houston | 12 | 356K | 0 | Aug 2003 – Feb 2025 |
| USA-NM-A 19772 (Tex) O-6-10769 | Range Production Company only | Laura la Velle, S. (1600) | Houston | 17 | 346K | 27 | by Jan 1993 – Jul 2003 |
| English Oil Unit O-6-14249 | HD Operating Co, LLC only | Laura la Velle, E. (Carrizo) | Houston | 7 | 272K | 0 | Aug 2003 – Aug 2025 |
| Dominy, Angie O-6-10380 | Range Production Company only | Laura la Velle, S. (1600) | Houston | 11 | 271K | 50 | by Jan 1993 – Sep 2003 |
| David, John O-6-11769 | HD Operating Co, LLC only | Laura la Velle, S. (1600) | Houston | 6 | 248K | 27 | by Jan 1993 – Dec 2025 |
| English Oil Unit O-6-10378 | Range Production Company only | Laura la Velle, S. (1600) | Houston | 8 | 214K | 35 | by Jan 1993 – Jul 2003 |
| Dominy, Angie O-6-14250 | HD Operating Co, LLC only | Laura la Velle, E. (Carrizo) | Houston | 10 | 194K | 0 | Aug 2003 – 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 – Feb 2025 |
| 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 |
| Walters, Ralph J. O-6-12202 | HD Operating Co, LLC only | Laura la Velle, S. (1600) | Houston | 8 | 158K | 27 | by Jan 1993 – May 2026 |
| Troutman, T.L. O-6-10516 | Range Production Company only | Laura la Velle, S. (1600) | Houston | 10 | 136K | 42 | by Jan 1993 – Jul 2003 |
| Ella Jane O-3-26387 | Trailblazer Energy Resources,llc only | Fort Trinidad, East (Buda) | Houston | 2 | 133K | 316K | Aug 2013 – Aug 2026 |
| Scurlock O-6-13697 | HD Operating Co, LLC only | Laura la Velle, S. (1600) | Houston | 4 | 98.4K | 0 | Aug 1997 – Jul 2026 |
| Dorrell, Esther G-3-137820 | Parten Operating Inc. only | Fort Trinidad, W. (Glen Rose,up) | Houston | 1 | 90.9K | 3.84M | by Jan 1993 – Aug 2026 |
| Shupak, J. R. O-6-13981 | Elliott Oil & Gas Operating Co. only | Sand Branch Creek (Buda) | Houston | 1 | 79.1K | 38.9K | Oct 1999 – Apr 2005 |
| Champion International Corp. "F" O-6-14050 | Sugar Enterprises, LLC only | Kittrell (Dexter) | Houston | 1 | 72.6K | 93.8K | Nov 2000 – Aug 2026 |
| Baker "A" O-6-10454 | Range Production Company only | Laura la Velle, S. (1600) | Houston | 5 | 66.3K | 27 | by Jan 1993 – Jul 2003 |
| Shelly-State Unit O-3-26490 | Empire Texas Operating LLC only | Fort Trinidad, East (Buda) | Houston | 2 | 65.7K | 159K | Jul 2014 – Jul 2019 |
| Walters, Ralph J. Unit O-6-12284 | HD Operating Co, LLC only | Laura la Velle, S. (1600) | Houston | 2 | 60.2K | 27 | by Jan 1993 – May 2025 |
| National Forest (19739) "A" O-6-13135 | HD Operating Co, LLC only | Laura la Velle, S. (1600) | Houston | 2 | 60.1K | 27 | by Jan 1993 – Jul 2026 |
| Kelley, Laura Nelms O-6-11757 | HD Operating Co, LLC only | Laura la Velle, S. (1600) | Houston | 5 | 54.9K | 9 | by Jan 1993 – May 2026 |
| Elliott G-3-265021 | | Fort Trinidad (Glen Rose, Upper) | Houston | 1 | 54.8K | 210K | Dec 2010 – Aug 2014 |
| Champion International Corp. "E" O-6-13633 | Parten Operating Inc. only | Kittrell (Dexter) | Houston | 1 | 51.6K | 714K | Mar 1997 – Aug 2023 |
| Baker "A" O-6-14242 | HD Operating Co, LLC only | Laura la Velle, E. (Massive WX) | Houston | 3 | 37.9K | 0 | Aug 2003 – Feb 2018 |
| Brannen, J. R. O-6-11896 | A.O.E. Operators, Inc. only | Laura la Velle, S. (1600) | Houston | 4 | 33.6K | 32 | by Jan 1993 – Dec 2022 |
| Pam Petroleum/Champion O-6-12178 | HD Operating Co, LLC only | Laura la Velle, S. (1600) | Houston | 2 | 32.2K | 11 | by Jan 1993 – Oct 2025 |
| Troutman, T.L. "A" O-6-10636 | Range Production Company only | Laura la Velle, S. (1600) | Houston | 3 | 31.3K | 4 | Nov 1994 – Jul 2003 |
| Troutman, T. L. O-6-14252 | HD Operating Co, LLC only | Laura la Velle, E. (Carrizo) | Houston | 5 | 30.2K | 0 | Aug 2003 – Aug 2025 |
| Dicus, F. G. (Duke) O-6-12037 | A.O.E. Operators, Inc. only | Laura la Velle, S. (1600) | Houston | 4 | 29.3K | 34 | by Jan 1993 – Mar 2023 |
| Champion International Corp "F" O-6-13862 | Sugar Enterprises, LLC only | Kittrell (Buda) | Houston | 1 | 26.2K | 237K | May 1998 – Oct 2000 |
| Baker "A" O-6-14251 | HD Operating Co, LLC only | Laura la Velle, E. (Carrizo) | Houston | 4 | 25.8K | 0 | Aug 2003 – Jul 2026 |
| Troutman, T. L. "A" O-6-14253 | HD Operating Co, LLC only | Laura la Velle, E. (Carrizo) | Houston | 2 | 24.6K | 0 | Aug 2003 – Dec 2025 |
| Ellis, J. M. O-5-3314 | Weathers Exploration, Inc. only | Alabama Ferry, SE. (Glenrose D) | Houston | 1 | 20.8K | 44.2K | by Jan 1993 – Aug 2026 |
| Crockett Nat. Forest NM-A-19772 O-6-11600 | Range Production Company only | Laura la Velle, S. (1600) | Houston | 4 | 17.4K | 27 | by Jan 1993 – Aug 2001 |
| Strago/Wheeler O-6-13048 | DHW Well Service, Inc. only | Davy Crockett, NE. (Glenrose) | Houston | 1 | 14.6K | 525 | by Jan 1993 – May 2017 |
| Elliott G-6-279323 | Trailblazer Energy Resources,llc only | Eastham State Farm (Glenrose) | Houston | 1 | 13.3K | 86.8K | Sep 2014 – Aug 2026 |
| Seven J Stock Farm O-3-24545 | Russell - Ft. Trinidad Op., LLC only | Fort Trinidad, East (Buda) | Houston | 1 | 13.2K | 15K | Apr 2004 – Jan 2006 |
| Bell, Cassie Heirs O-6-13432 | Big Creek Operating Company LLC only | Navarro Crossing (Woodbine) | Houston | 1 | 10.9K | 2.56K | Jun 1995 – Aug 1997 |
| Champion Int. Corp. "E-1" Unit O-6-12891 | Parten Operating Inc. only | Kittrell (Buda) | Houston | 1 | 10.1K | 184K | by Jan 1993 – Oct 1998 |
| Adams, W.H. Estate O-3-11183 | Bellwether Exploration Company only | Ft. Trinidad,s.(ottos Sand) | Houston | 1 | 9.73K | 322 | by Jan 1993 – Jun 1996 |
| National Forest (19739) "B" O-6-13136 | HD Operating Co, LLC only | Laura la Velle, S. (1600) | Houston | 3 | 8.7K | 25 | by Jan 1993 – Mar 2025 |
| Pam Petroleum/Texaco O-6-12161 | Range Production Company only | Laura la Velle, S. (1600) | Houston | 2 | 8.36K | 15 | by Jan 1993 – Nov 2003 |
| English O-6-13532 | Browning, Landon only | Laura la Velle, S. (1600) | Houston | 2 | 6.58K | 0 | Apr 1996 – Feb 2000 |