| Bilderback Trusts G-13-250340 | Formentera Operations LLC only | Newark, East (Barnett Shale) | Hood | 1 | 7.03K | 1.24M | Dec 2008 – Aug 2026 |
| Begert Trust 6 G-14-236841 | Bce-Mach II LLC only | Begert (10,200) | Hemphill | 1 | 7.03K | 683K | Apr 2008 – Aug 2026 |
| Smith Family Trust Gas Unit G-6-254060 | Weatherly Oil & Gas, LLC only | Naconiche Creek (Rod.-TP Cons.) | Nacogdoches | 1 | 7K | 301K | Dec 2007 – Sep 2019 |
| West Ranch G-10-225729 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 6.99K | 609K | Jan 2007 – Jan 2026 |
| C-Bruni Mineral Trust G-4-156509 | Hilcorp Energy Company only | Bashara-Hereford (7300) | Webb | 1 | 6.99K | 481K | Oct 1995 – Aug 2026 |
| Rust, Arnold Unit 2 G-6-180496 | Brookston Energy, Inc. only | Oak Hill (Cotton Valley) | Rusk | 1 | 6.97K | 1.1M | Dec 2000 – Aug 2026 |
| Cameron Minerals Trust G-3-228021 | Garrison Operating, L.L.C. only | Glendale, East (Wilcox) | Trinity | 1 | 6.95K | 121K | Mar 2007 – Nov 2013 |
| Boston Texas Land & Trust G-4-86123 | Merit Energy Company only | Jeffress, N (Vksbg, LO) | Hidalgo | 1 | 6.94K | 723K | by Jan 1993 – Aug 2026 |
| Kincaid, A. R. Trust "B" G-9-142598 | Scout Energy Management LLC only | Ozona, NE. (Canyon Sand) | Crockett | 1 | 6.94K | 654K | by Jan 1993 – Aug 2026 |
| Garza-Zamora Energy Trust G-4-127202 | Merit Energy Company only | Flores (Vicksburg, Lower) | Hidalgo | 1 | 6.82K | 1.02M | by Jan 1993 – Aug 2026 |
| University 32 G-9-164881 | Hilcorp Energy Company only | Pakenham (Thrusted) | Terrell | 1 | 6.82K | 327K | Apr 1997 – Aug 2026 |
| Fidelity Trust G-10-113860 | Arco Permian only | Waha (Delaware) | Reeves | 1 | 6.81K | 136K | Oct 1997 – Oct 1999 |
| Flowers Trust -B- G-14-80088 | BP America Production Company only | Mendota, NW. (Granite Wash) | Roberts | 1 | 6.8K | 260K | by Jan 1993 – May 2004 |
| Bruni Mineral Trust "B" G-4-260394 | Hilcorp Energy Company only | Liz (9200) | Webb | 1 | 6.79K | 1.82M | May 2010 – Aug 2026 |
| Kincaid, A. R. Trust G-9-164541 | Scout Energy Management LLC only | Ozona, NE. (Canyon Sand) | Crockett | 1 | 6.79K | 422K | Aug 1997 – Aug 2026 |
| Cole Trust 11A Unit G-13-203326 | BKV Barnett II, LLC only | Newark, East (Barnett Shale) | Wise | 1 | 6.77K | 308K | Jun 2004 – Sep 2021 |
| Kincaid, A. R. Trust "B" G-9-165453 | Scout Energy Management LLC only | Ozona, NE. (Canyon Sand) | Crockett | 1 | 6.73K | 539K | Sep 1997 – Aug 2026 |
| Bruni Mineral Trust G-4-107084 | Hilcorp Energy Company only | Laredo (Lobo) | Webb | 1 | 6.72K | 1.58M | Mar 1993 – Aug 2026 |
| Brooks Trust No. 2 G.U. G-2-184331 | Dirks Petroleum Company only | Cadiz, North (Slick-Wilcox) | Bee | 1 | 6.72K | 953K | Jul 2001 – Mar 2008 |
| Kincaid, A. R. Trust 'C' G-9-178496 | Scout Energy Management LLC only | Ozona, NE. (Canyon Sand) | Crockett | 1 | 6.68K | 485K | Aug 2000 – Aug 2026 |
| Kincaid, A. R. Trust "B" G-9-49869 | Scout Energy Management LLC only | Ozona, NE. (Canyon Sand) | Crockett | 1 | 6.64K | 577K | by Jan 1993 – Aug 2026 |
| Bruni Mineral Trust G-4-146527 | Hilcorp Energy Company only | Liz (9200) | Webb | 1 | 6.61K | 15.1M | Aug 1993 – Aug 2026 |
| Mitchell 4 G-9-198187 | Hilcorp Energy Company only | Pakenham (Thrusted) | Terrell | 1 | 6.58K | 996K | Aug 2003 – Aug 2026 |
| Kincaid, A. R. Trust "B" G-9-149664 | Scout Energy Management LLC only | Ozona, NE. (Canyon Sand) | Crockett | 1 | 6.58K | 592K | May 1994 – Aug 2026 |
| De la Garza Mineral Trust G-4-142384 | Vintage Petroleum, Inc. only | Picoso, E. (Carrizo 7800) | Webb | 1 | 6.44K | 1.52M | by Jan 1993 – Dec 1997 |
| Begert Trust 31 G-14-236910 | Bce-Mach II LLC only | Begert (10,200) | Hemphill | 1 | 6.42K | 608K | Jan 2008 – Oct 2019 |
| Henderson Trust "OO" G-9-165682 | Red Stag Operating, LLC only | Ozona (Canyon Sand) | Crockett | 1 | 6.41K | 427K | Sep 1997 – Aug 2026 |
| Wimberly Family Trust G-13-238960 | Oakridge Oil and Gas, LP only | Newark, East (Barnett Shale) | Jack | 1 | 6.38K | 80.8K | Sep 2011 – Mar 2023 |
| Switzer Trust G-3-211966 | Noble Energy Inc only | Blue Lake (11,000) | Brazoria | 1 | 6.36K | 573K | Sep 2005 – Jan 2007 |
| Kincaid, A. R. Trust "B" G-9-158182 | Scout Energy Management LLC only | Ozona, NE. (Canyon Sand) | Crockett | 1 | 6.35K | 476K | Mar 1996 – Aug 2026 |
| Schmid Trust G-2-161786 | McCombs Energy LLC only | Maxine, East (Mackhank) | Live Oak | 1 | 6.3K | 265K | Jan 1997 – Apr 2000 |
| Kincaid, A. R. Trust "B" G-9-173464 | Scout Energy Management LLC only | Ozona, NE. (Canyon Sand) | Crockett | 1 | 6.28K | 624K | Jun 1999 – Aug 2026 |
| Kincaid, A. R. Trust "D" G-9-82036 | Scout Energy Management LLC only | Ozona, NE. (Canyon Sand) | Crockett | 1 | 6.28K | 458K | by Jan 1993 – Aug 2026 |
| Henderson Trust "DD" G-9-144173 | Red Stag Operating, LLC only | Ozona (Canyon Sand) | Crockett | 1 | 6.27K | 884K | by Jan 1993 – Aug 2026 |
| Cole Trust Stony G-13-239923 | BKV Barnett II, LLC only | Newark, East (Barnett Shale) | Denton | 1 | 6.26K | 1.06M | Jun 2008 – Aug 2026 |
| Schreiner Ranch Trust II G-2-138101 | Forney Oil Corporation only | Limes (Wilcox F-1) | Live Oak | 1 | 6.26K | 128K | by Jan 1993 – May 1994 |
| Martin Trust A1092 G-14-124520 | Presidio Petroleum LLC only | Clark Martin (Granite Wash) | Roberts | 1 | 6.25K | 498K | by Jan 1993 – Aug 2026 |
| Ocker Trust G-4-161600 | Diasu Oil & Gas Co., Inc. only | Ocker (B-2) | Aransas | 1 | 6.24K | 386K | Sep 1996 – Apr 2001 |
| West Ranch G-10-257307 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 6.24K | 443K | Sep 2009 – Sep 2025 |
| Los Ojuelos Mineral Trust G-4-139588 | Engroup Resources, L.P. only | Missy (Wilcox - Puig) | Webb | 1 | 6.22K | 487K | by Jan 1993 – Apr 2000 |
| Alliance Trust Co. -A- G-3-31531 | Empire Texas Operating LLC only | Fort Trinidad (Glen Rose -E-) | Madison | 1 | 6.2K | 259K | Jul 1997 – Aug 2026 |
| Kincaid, A. R. Trust "B" G-9-130951 | Scout Energy Management LLC only | Ozona, NE. (Canyon Sand) | Crockett | 1 | 6.18K | 656K | by Jan 1993 – Aug 2026 |
| West Ranch G-10-205911 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 6.14K | 99K | Oct 2004 – Feb 2025 |
| Guerra Mineral Trust G-4-217404 | Mortimer Production Company only | T Patch (Reklaw Oso) | Starr | 1 | 6.11K | 276K | Mar 2006 – Jul 2017 |
| Kincaid, A. R. Trust "D" G-9-202002 | Scout Energy Management LLC only | Davidson Ranch (Penn. 7890) | Crockett | 1 | 6.11K | 822K | Feb 2004 – Aug 2026 |
| West Ranch G-10-244891 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 6.11K | 169K | Oct 2008 – Jul 2026 |
| Corpus Christi Bank & Trust G-4-160208 | Magnum Producing, LP only | Taft, North (a-1 Frio) | San Patricio | 1 | 6.08K | 220K | Oct 1996 – Jan 2002 |
| West Ranch G-10-237776 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 6.08K | 167K | Oct 2007 – Jan 2025 |
| Begert Trust 43 G-14-252662 | Bce-Mach II LLC only | Begert (10,200) | Hemphill | 1 | 6.07K | 546K | May 2009 – Aug 2026 |
| C-Bruni Mineral Trust G-4-164407 | Hilcorp Energy Company only | Bashara-Hereford (7300) | Webb | 1 | 6.06K | 1.31M | Aug 1997 – Aug 2026 |