| Carter, Barney, -A- G-8-39869 | Carter, Mattye Family Trust only | Lone Camp (Bend Conglomerate) | Palo Pinto | 1 | 0 | 0 | — |
| Bailey, Nelle G-8-39768 | Family Trust B, The only | Camp Colorado, N. (Gardner) | Coleman | 1 | 0 | 92.5K | by Jan 1993 – Feb 2016 |
| Lobstein, Wm. G-8-32140 | Family Trust B, The only | Coleman County Regular (Gas) | Coleman | 1 | 0 | 59.7K | by Jan 1993 – Oct 2015 |
| Kasal Trust Unit G-13-253680 | BKV North Texas, LLC only | Newark, East (Barnett Shale) | Johnson | 1 | 0 | 2.74M | Jan 2010 – Aug 2026 |
| Nolen, B. H., et Al G-8-17561 | Family Trust B, The only | Coleman County Regular (Gas) | Coleman | 1 | 0 | 59.7K | by Jan 1993 – Jun 2015 |
| Baker, C. D. G-8-17545 | Deford, John H., Trustee only | Coleman County Regular (Gas) | Coleman | 1 | 0 | 0 | — |
| Rustic Meadows Unit G-13-253538 | TEP Barnett USA, LLC only | Newark, East (Barnett Shale) | Tarrant | 1 | 0 | 4.11M | Sep 2009 – Aug 2026 |
| Carter Trust Unit G-13-253187 | Eagleridge Operating, LLC only | Newark, East (Barnett Shale) | Tarrant | 1 | 0 | 215K | Aug 2009 – Aug 2026 |
| Flying LL Trust G-6-245608 | Buffco Production Inc. only | Carthage (Haynesville Shale) | Harrison | 1 | 0 | 8.89K | Dec 2008 – Jan 2009 |
| Lee, C.W. G-6-234612 | Long Trusts, The only | Wildcat | Rusk | 1 | 0 | 0 | — |
| Smith Family Trust Gas Unit G-6-215209 | Chesapeake Operating, Inc. only | Naconiche Creek (Pettit) | Nacogdoches | 1 | 0 | 0 | — |
| Carter Trust Unit G-13-253133 | Eagleridge Operating, LLC only | Newark, East (Barnett Shale) | Tarrant | 1 | 0 | 2.32M | Aug 2009 – May 2024 |
| Bracken Grandchildren Trust G-6-180958 | Valence Operating Company only | Noonday (Rodessa) | Smith | 1 | 0 | 0 | — |
| Fidelity Trust "21" G-10-192397 | Abraxas Petroleum Corporation only | Waha (Montoya) | Reeves | 1 | 0 | 0 | — |
| Bracken Grandchildren Trust G-6-151226 | Valence Operating Company only | Noonday (Rodessa) | Smith | 1 | 0 | 43.4K | Aug 1994 – Jul 2001 |
| Rall Family Trust G-13-252333 | Eagleridge Operating, LLC only | Newark, East (Barnett Shale) | Hill | 1 | 0 | 328K | May 2009 – Mar 2021 |
| Huddleston Trust 13 (AW) G-13-300838 | BKV North Texas, LLC only | Newark, East (Barnett Shale) | Wise | 1 | 0 | 814K | Dec 2025 – Aug 2026 |
| Elder, J. S. & Frank G-6-142600 | Long Trusts, The only | Danville (Travis Peak) | Gregg | 1 | 0 | 0 | — |
| Garrett Trust G-6-123619 | Valence Operating Company only | Lake Fork (Smackover) | Wood | 1 | 0 | 5.04M | by Jan 1993 – Apr 2016 |
| Rust, Arnold Unit 1 G-6-103459 | Sonat Exploration Company -Tyler only | Tatum, North (Cotton Valley) | Rusk | 1 | 0 | 0 | — |
| Cross, L.D. Trustee G-6-76948 | Rusk Co. Well Service Co., Inc. only | Beckville (Cotton Valley) | Panola | 1 | 0 | 0 | — |
| Carthage Unit G-6-41514 | Enron Oil & Gas Company only | Carthage (Bruster) | Panola | 1 | 0 | 0 | — |
| Bergin, L. L. G-6-30007 | Whitaker, Mark Trust only | Carthage (Pettit, Lower Gas) | Harrison | 1 | 0 | 0 | — |
| White, S. J. et Al G-6-16512 | Hunt, Wm. Herbert, Trust Est. only | Quitman, Southeast (Kirkland) | Wood | 1 | 0 | 0 | — |
| Huddleston Trust 14 (AW) G-13-300594 | BKV North Texas, LLC only | Newark, East (Barnett Shale) | Wise | 1 | 0 | 989K | Oct 2025 – Aug 2026 |
| Bergin, L. L. G-6-16044 | Whitaker, Mark Trust only | Hallsville, S (Pettit Lo. Crane) | Harrison | 1 | 0 | 0 | — |
| Gastar Wildman Trust G-5-241485 | Gastar Exploration Texas, LP only | Hilltop Resort (Knowles) | Leon | 1 | 0 | 3.11K | Dec 2007 – Mar 2008 |
| Gastar Wildman Trust G-5-232202 | Gastar Exploration Texas, LP only | Wildcat | Leon | 1 | 0 | 0 | — |
| Big Canyon Ranch G-10-204739 | OXY USA Inc. only | Pinon (Overthrust) | Pecos | 1 | 0 | 0 | — |
| Lawrence Trust Unit G-13-300013 | Jetta Operating Company, Inc. only | Big Mineral Creek (Viola) | Grayson | 1 | 0 | 15.4K | Jul 2025 – Jul 2026 |
| Belin Trust "A" G-5-192332 | First Source Texas, Inc. only | Wildcat | Leon | 1 | 0 | 0 | — |
| Patrick G-5-159784 | Roach, R. Byron Trustee only | Wildcat | Freestone | 1 | 0 | 0 | — |
| Alliance Trust -A- G-5-158156 | Mitchell Energy Corporation only | Wildcat | Limestone | 1 | 0 | 0 | — |
| Carter, Mattie K. Trust G-5-145532 | Fortson Oil Company only | Butler (Dexter) | Freestone | 1 | 0 | 560K | May 1993 – Jan 1995 |
| Carter, Mattie K. Trust G-5-139112 | Fortson Oil Company only | Butler (Dexter) | Freestone | 1 | 0 | 1.02M | by Jan 1993 – Mar 1996 |
| L.D. Cross Trustee Unit G-5-134481 | Al-TX Operating Inc. only | Thornton, S. (Rodessa) | Limestone | 1 | 0 | 0 | — |
| Clark, Dorothy Trustee Unit B G-5-91253 | Veritas Energy, LLC only | Cheneyboro, SW. (9585) | Navarro | 1 | 0 | 41 | Feb 1993 – Jan 1994 |
| West State G-10-220706 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 0 | 86.8K | Nov 2005 – Apr 2024 |
| Boaz Trust Unit G-5-80362 | Hess, Jerry Operating Co. only | Haslett(penn.) | Tarrant | 1 | 0 | 326 | Oct 1997 – Jan 1998 |
| Walls Trust G-13-245627 | TEP Barnett USA, LLC only | Newark, East (Barnett Shale) | Johnson | 1 | 0 | 924K | Oct 2007 – Dec 2014 |
| Parker, Lucia M. Trust G-5-70561 | Park & Park Oil Co. only | Tri-Cities (Travis Peak Lower) | Henderson | 1 | 0 | 0 | — |
| Parker, Lucia M. Trust G-5-70545 | Park & Park Oil Co. only | Tri-Cities, N. (Rodessa) | Henderson | 1 | 0 | 502 | by Jan 1993 – Jan 1995 |
| Bruni Mineral Trust "C" G-4-265101 | Chevron U. S. A. Inc. only | Laredo (Lobo) | Webb | 1 | 0 | 0 | — |
| Los Ojuelos Mineral Trust G-4-259937 | Evans, S. Lavon Jr. Oper. Co. only | Pancho (Wilcox) | Webb | 1 | 0 | 5 | May 2012 – Sep 2012 |
| Semmes Trust et al 906 G-4-256140 | Forest Oil Corporation only | Rincon (Frio Consolidated H & J) | Starr | 1 | 0 | 0 | — |
| Lopez Family Trust "A" G-4-252036 | Paladar Investments I, L.L.C. only | Urebeno, South (Lobo Cons.) | Zapata | 1 | 0 | 10.9K | Jul 2009 – Mar 2010 |
| Villarreal Trust G-4-251641 | Conocophillips Company only | Wildcat | Zapata | 1 | 0 | 0 | — |
| Los Ojuelos Mineral Trust G-4-249196 | Evans, S. Lavon Jr. Oper. Co. only | Pancho (Wilcox) | Webb | 1 | 0 | 86.9K | Apr 2009 – Sep 2010 |
| Stewart Trust G-4-249106 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 0 | 34.9K | Apr 2009 – Apr 2010 |
| Stewart Trust State G-4-249000 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 0 | 11.3K | Apr 2009 – Oct 2009 |