| Anderson Trust a Unit G-13-270697 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Montague | 1 | 14.6K | 1.37M | Nov 2010 – Aug 2026 |
| Flowers Trust G-14-164724 | Mmgl Txph, LLC only | Mendota, NW. (Granite Wash) | Roberts | 1 | 14.6K | 797K | Jul 1997 – Apr 2024 |
| Kincaid, A. R. Trust G-9-143302 | Scout Energy Management LLC only | Ozona, NE. (Canyon Sand) | Crockett | 1 | 14.5K | 1.04M | by Jan 1993 – Aug 2026 |
| Boston Texas Land & Trust G-4-270876 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 14.5K | 939K | Dec 2013 – Aug 2026 |
| Bruni Mineral Trust G-4-153505 | Hilcorp Energy Company only | Liz (9200) | Webb | 1 | 14.3K | 4.64M | Feb 1995 – Aug 2026 |
| Coates Energy Trust GU 1 G-4-176035 | Hughes, Dan A. Company, L.P. only | Jeffress (Vicksburg T) | Hidalgo | 1 | 14.3K | 1.4M | Feb 2000 – Aug 2008 |
| University 4 G-9-168840 | White Rock Oil & Gas, LLC only | Pakenham (Thrusted) | Terrell | 1 | 14.3K | 651K | Jan 1998 – Aug 2026 |
| Henderson Trust "NN" G-9-152113 | Red Stag Operating, LLC only | Ozona (Canyon Sand) | Crockett | 1 | 14.2K | 609K | Nov 1994 – Aug 2026 |
| Schreiner Ranch Trust II G-2-161355 | Sandel Operating Company only | Limes (Wilcox F-2) | Live Oak | 1 | 14K | 362K | Jun 1996 – Nov 2013 |
| Carruth, E.B. Jr. Trust et Al G-4-151184 | Cordele Development Corporation only | Boyle, E. (3500) | Starr | 1 | 14K | 195K | Mar 1994 – May 2001 |
| Lee, C. W. G-6-15983 | Long Trusts, The only | Danville (TP-CV Cons.) | Rusk | 1 | 13.9K | 2.14M | by Jan 1993 – Jul 2026 |
| Armour Trust et Al G-3-260044 | Hilcorp Energy Company only | Phase Four (9560 Yegua) | Wharton | 1 | 13.8K | 360K | Jul 2010 – Jun 2016 |
| Cranz Trust G-3-163590 | Jamex, Inc. only | Chesterville, N. (Pack) | Colorado | 1 | 13.6K | 946K | Apr 1997 – Jul 2026 |
| Boston Texas Land & Trust G-4-52536 | Merit Energy Company only | Jeffress, N (Vksbg, LO) | Hidalgo | 1 | 13.5K | 1.17M | by Jan 1993 – Aug 2026 |
| Cole Trust Stony G-13-186338 | BKV Barnett II, LLC only | Newark, East (Barnett Shale) | Denton | 1 | 13.4K | 537K | Nov 2001 – Aug 2026 |
| Flowers Trust G-14-36236 | Mmgl Txph, LLC only | Mendota, NW. (Granite Wash) | Roberts | 1 | 13.4K | 840K | by Jan 1993 – Apr 2016 |
| Flowers Trust G-14-247017 | Mewbourne Oil Company only | Mendota, NW. (Granite Wash) | Roberts | 1 | 13.3K | 857K | Sep 2008 – Aug 2026 |
| Kincaid, A. R. Trust "D" G-9-138267 | Scout Energy Management LLC only | Ozona, NE. (Canyon Sand) | Crockett | 1 | 13.3K | 988K | by Jan 1993 – Aug 2026 |
| Kincaid, A. R. Trust G-9-132616 | Scout Energy Management LLC only | Ozona, NE. (Canyon Sand) | Crockett | 1 | 13.2K | 1.17M | by Jan 1993 – Aug 2026 |
| Boston Texas Land & Trust G-4-248428 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 13.2K | 1.29M | Mar 2009 – Aug 2026 |
| Bruni Mineral Trust G-4-157551 | Hilcorp Energy Company only | Liz (9200) | Webb | 1 | 13.2K | 4.4M | Mar 1996 – Aug 2026 |
| West Ranch G-10-186743 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 13.2K | 8.75M | Dec 2001 – Jun 2025 |
| Mitchell "32" G-9-165859 | BRP Energy, LLC only | Pakenham (Thrusted) | Terrell | 1 | 13.1K | 6.81M | Nov 1997 – Apr 2026 |
| James Trust G-1-279455 | Lewis Petro Properties, Inc. only | Hawkville (Eagleford Shale) | Webb | 1 | 13.1K | 3.85M | Jul 2015 – Aug 2026 |
| Dusek, F. J. Trust G-4-173111 | Merit Energy Company only | Jeffress, NE. (T, Lo.-Fb,a) | Hidalgo | 1 | 13K | 1.01M | Mar 1999 – Oct 2022 |
| Boston Texas Land & Trust G-4-265948 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 13K | 1.01M | Apr 2012 – Aug 2026 |
| Boston Texas Land & Trust G-4-159253 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 13K | 1.19M | May 1996 – Aug 2026 |
| Boston Texas Land & Trust G-4-275518 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 12.9K | 3.33M | Dec 2014 – Apr 2025 |
| Frost Trust 29 G-4-187600 | EOG Resources, Inc. only | Tiffany (Wilcox Carrizo) | Webb | 1 | 12.8K | 746K | Feb 2002 – Jan 2010 |
| Cole Trust Stony G-13-187860 | BKV Barnett II, LLC only | Newark, East (Barnett Shale) | Denton | 1 | 12.7K | 929K | Jan 2002 – Aug 2026 |
| Steele, L. M. Trust G-3-130044 | Amrwr, LLC only | Duncan Slough, SW (Frio 7) | Matagorda | 1 | 12.7K | 3.08M | by Jan 1993 – May 2011 |
| Fogle Trust G-6-245511 | Craton Operating LLC only | Carthage, North (Cotton Valley) | Harrison | 1 | 12.6K | 856K | Dec 2008 – Aug 2026 |
| West Ranch G-10-237942 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 12.6K | 80K | Nov 2007 – Aug 2026 |
| Trusty Gas Unit G-3-174077 | Silver Oak Energy, LLC only | Village Mills East (Y-3) | Hardin | 1 | 12.6K | 233K | Jul 1999 – Feb 2012 |
| Cole Trust Stony G-13-188538 | BKV Barnett II, LLC only | Newark, East (Barnett Shale) | Denton | 1 | 12.6K | 771K | Mar 2002 – Nov 2024 |
| McClung, Anna 1 G-9-156356 | White Rock Oil & Gas, LLC only | Pakenham (Thrusted) | Terrell | 1 | 12.6K | 1.09M | Aug 1995 – Aug 2026 |
| USA Trust G-13-251979 | BKV North Texas, LLC only | Newark, East (Barnett Shale) | Denton | 1 | 12.4K | 1.45M | Jun 2009 – Aug 2026 |
| Cameron Minerals Trust G-3-121579 | Garrison Operating, L.L.C. only | Glendale, East (Woodbine) | Trinity | 1 | 12.4K | 952K | by Jan 1993 – Oct 2012 |
| Flowers Trust G-14-223677 | Mmgl Txph, LLC only | Mendota, NW. (Granite Wash) | Roberts | 1 | 12.4K | 784K | Oct 2006 – Aug 2026 |
| Bruni Mineral Trust "B" G-4-197250 | Hilcorp Energy Company only | Hubberd (Lobo) | Webb | 1 | 12.3K | 4.25M | Jul 2003 – Aug 2026 |
| Garrett Trust G-6-280103 | Valence Operating Company only | Yantis (Heard Zone) | Wood | 1 | 12.3K | 51.4K | Oct 2015 – Aug 2026 |
| Mitchell 9 G-9-203111 | Hilcorp Energy Company only | Pakenham (Thrusted) | Terrell | 1 | 12.2K | 1.67M | Dec 2003 – Aug 2026 |
| James Abraham Trust G-14-181221 | Mewbourne Oil Company only | Canadian, West (Morrow Upper) | Hemphill | 1 | 12.2K | 1.48M | Dec 2000 – Aug 2026 |
| West Ranch G-10-208596 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 12.1K | 1.11M | Feb 2005 – May 2026 |
| Garza Zamora Energy Trust G-4-234053 | Merit Energy Company only | Flores (Vicksburg, Lower) | Hidalgo | 1 | 12.1K | 1.37M | Oct 2007 – Oct 2020 |
| Flowers Trust "A" G-14-166494 | Mmgl Txph, LLC only | Mendota, NW. (Granite Wash) | Roberts | 1 | 12.1K | 937K | Sep 1997 – Sep 2024 |
| Henderson Trust "OO" G-9-143876 | Red Stag Operating, LLC only | Ozona (Canyon Sand) | Crockett | 1 | 12K | 804K | by Jan 1993 – Aug 2026 |
| Cole Trust Stony G-13-188536 | BKV Barnett II, LLC only | Newark, East (Barnett Shale) | Denton | 1 | 11.9K | 796K | Feb 2002 – Aug 2026 |
| Rhodes Trust G-13-287011 | J B J Oil Properties, Inc. only | Casteel (Congl. 4350) | Young | 1 | 11.9K | 104K | Nov 2018 – Aug 2026 |
| Cole Trust Stony G-13-189107 | Bedrock Production, LLC only | Newark, East (Barnett Shale) | Denton | 1 | 11.9K | 705K | Apr 2002 – Jan 2021 |