| Griffin Trust G-13-237741 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Wise | 1 | 0 | 1.35M | Feb 2008 – Aug 2026 |
| Schmidt Management Trust G-13-239057 | Formentera Operations LLC only | Newark, East (Barnett Shale) | Johnson | 1 | 0 | 2.2M | Apr 2008 – Aug 2026 |
| Fowler Sawyer Trust Unit G-13-240039 | Eagleridge Operating, LLC only | Newark, East (Barnett Shale) | Hill | 1 | 0 | 687K | Jun 2008 – Dec 2024 |
| Cole Trusts 576 "A" G-13-240531 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Denton | 1 | 0 | 1.96M | May 2007 – Aug 2026 |
| Hein Trust G-4-148506 | Transtexas Gas Corporation only | Wildcat | Webb | 1 | 0 | 0 | — |
| Carter Family Trust G-13-249230 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Denton | 1 | 0 | 1.93M | Nov 2008 – Aug 2026 |
| Carter Family Trust G-13-249311 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Denton | 1 | 0 | 1.52M | Nov 2008 – Aug 2026 |
| Glade Trust G-13-252525 | TEP Barnett USA, LLC only | Newark, East (Barnett Shale) | Johnson | 1 | 0 | 2.33M | Jun 2009 – Aug 2026 |
| Carter Trust Unit G-13-253185 | Eagleridge Operating, LLC only | Newark, East (Barnett Shale) | Tarrant | 1 | 0 | 1.31M | Aug 2009 – Jan 2026 |
| Carter Trust Unit G-13-253191 | Eagleridge Operating, LLC only | Newark, East (Barnett Shale) | Tarrant | 1 | 0 | 2.34M | Aug 2009 – Aug 2026 |
| Cole Trusts 576 "A" G-13-255341 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Denton | 1 | 0 | 2.73M | Feb 2010 – Aug 2026 |
| Cole Trusts 576 "A" G-13-256833 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Denton | 1 | 0 | 3.54M | Sep 2010 – Aug 2026 |
| Cole Trusts 576 "A" G-13-257920 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Denton | 1 | 0 | 4.26M | Aug 2010 – Aug 2026 |
| Cole Trusts 576 "A" G-13-257921 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Denton | 1 | 0 | 3.26M | Aug 2010 – Aug 2026 |
| Lau-Cole Trust 3 (SA) G-13-263933 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Denton | 1 | 0 | 6.2M | Nov 2011 – Aug 2026 |
| Carter Trust Unit G-13-266520 | Eagleridge Operating, LLC only | Newark, East (Barnett Shale) | Tarrant | 1 | 0 | 1.46M | Sep 2012 – Aug 2026 |
| Marie Tucker Trust (SA) G-13-269939 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Parker | 1 | 0 | 2.36M | Dec 2012 – Aug 2026 |
| West Ranch G-10-263865 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 0 | 291 | Aug 2009 – Nov 2009 |
| Hodges Trust G-13-270767 | TEP Barnett USA, LLC only | Newark, East (Barnett Shale) | Johnson | 1 | 0 | 2.25M | Feb 2014 – Aug 2026 |
| Hill-Aldwell, Winnie R. Trust G G-9-103789 | Upp Operating, LLC only | Sawyer (Canyon) | Sutton | 1 | 0 | 861K | by Jan 1993 – Jan 2023 |
| Huddleston Trust 12 (AW) G-13-300530 | BKV North Texas, LLC only | Newark, East (Barnett Shale) | Wise | 1 | 0 | 817K | Oct 2025 – Aug 2026 |
| Trust G-14-25175 | Bce-Mach III LLC only | Panhandle, West | Gray | 1 | 0 | 217K | by Jan 1993 – Aug 2026 |
| Mathers Trust G-14-26509 | Mon Corp. only | Panhandle, East | Gray | 1 | 0 | 84.5K | by Jan 1993 – Aug 2026 |
| Wood G-4-145652 | Nordan Trust, The only | Wildcat | Starr | 1 | 0 | 0 | — |
| Bruni Mineral Trust B G-4-144998 | Enron Oil & Gas Company only | La Perla (Wilcox, Lower) | Zapata | 1 | 0 | 81.7K | Apr 1993 – Mar 1994 |
| Hill-Aldwell, Winnie R. Trust F G-9-103979 | Upp Operating, LLC only | Sawyer (Canyon) | Sutton | 1 | 0 | 160K | by Jan 1993 – Jul 2026 |
| Benavides Mineral Trust G-4-144940 | Enron Oil & Gas Company only | Lopeno, NE (Wilcox Lower) | Zapata | 1 | 0 | 72.1K | Apr 1993 – Sep 1993 |
| Maryland Trust Unit G-4-142059 | Intercoastal Energy, Inc. only | Puerto Bay (6750 Sand) | San Patricio | 1 | 0 | 0 | — |
| VT Martin Trust's St of TX G-4-223567 | Lewis Petro Properties, Inc. only | Las Tiendas (Olmos) | Webb | 1 | 0 | 107K | Nov 2006 – Aug 2026 |
| Bruni Mineral Trust 'A' G-4-141924 | Chevron U. S. A. Inc. only | Cerrito Creek (Lobo) | Webb | 1 | 0 | 185K | by Jan 1993 – Jun 1994 |
| Boston Texas Land Trust G-4-141486 | Merit Energy Company only | Javelina, W (5600) | Starr | 1 | 0 | 0 | — |
| Garza Family Trust G-4-134855 | Bay Rock Operating Company only | Fandango (Yegua 2400) | Zapata | 1 | 0 | 0 | — |
| Marrs McLean Trust G-4-134248 | Vastar Resources, Inc. only | Thompsonville, NE. (Wilcox 9900) | Jim Hogg | 1 | 0 | 0 | — |
| Duval County Ranch Co. G-4-132502 | Speed, F. Michael, Trustee only | Selby (Catahoula 500) | Duval | 1 | 0 | 0 | — |
| Boston Texas Land & Trust G-4-131880 | Quisto Expl. & Production, L.C. only | Flores (Vicksburg O-5) | Hidalgo | 1 | 0 | 0 | — |
| Holbein Trust G-4-243315 | Columbus Energy, LLC only | Thompsonville, NE (Wilcox 9500) | Jim Hogg | 1 | 0 | 0 | — |
| Hill-Fawcett, Randee Trust "K" G-9-106832 | Upp Operating, LLC only | Sawyer (Canyon) | Sutton | 1 | 0 | 378K | by Jan 1993 – Dec 2008 |
| Bruni Mineral Trust B G-4-258352 | Killam Oil Co., Ltd. only | Wildcat | Webb | 1 | 0 | 0 | — |
| Bruni Mineral Trust G-4-129441 | Killam Oil Co., Ltd. only | Davis, S. (5000) | Zapata | 1 | 0 | 7.24K | Feb 1993 – Dec 1994 |
| Maryland Trust G-4-128233 | Intercoastal Energy, Inc. only | Puerto Bay (E-4) | San Patricio | 1 | 0 | 0 | — |
| Gonzales Trust G-4-127852 | Mueller Engineering Corp. only | Braman (Yegua 6) | Jim Wells | 1 | 0 | 0 | — |
| Mann Trust - State (AC) G-4-268114 | Caturus Energy, LLC only | Hawkville (Austin Chalk) | Webb | 1 | 0 | 0 | — |
| Boston Texas Land & Trust G-4-268882 | Merit Energy Company only | Javelina ( 5,400) | Hidalgo | 1 | 0 | 0 | — |
| Boston Texas Land & Trust G-4-125202 | Shell Western E&P Inc. only | Javelina ( Vicksburg V-4) | Hidalgo | 1 | 0 | 0 | — |
| Maryland Trust G-4-123721 | Intercoastal Energy, Inc. only | Puerto Bay (H Sand) | San Patricio | 1 | 0 | 0 | — |
| Garza Family Trust G-4-123645 | Bay Rock Operating Company only | Fandango (Yegua 2400) | Zapata | 1 | 0 | 0 | — |
| Bruni Mineral Trust G-4-121429 | Killam Oil Co., Ltd. only | Davis, S. (5300) | Zapata | 1 | 0 | 157K | by Jan 1993 – Dec 2003 |
| King Ranch Trustee G-4-117011 | Rader Oil Company only | Kingsville (Miocene) | Kleberg | 1 | 0 | 0 | — |
| Frost National Bank & Trust G-4-115769 | Bowman, Fred Inc. only | Rancho Solo (Wilcox) | Duval | 1 | 0 | 0 | — |
| Longfellow G-10-259439 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 0 | 60K | Jul 2010 – Aug 2026 |