| Black Trust 49 G-14-281992 | Unbridled Resources, LLC only | Frye Ranch (Consolidated) | Wheeler | 1 | 11.8K | 360K | Mar 2017 – Aug 2026 |
| Garza Zamora Energy Trust G-4-125199 | Merit Energy Company only | Flores (Vicksburg, Lower) | Hidalgo | 1 | 11.8K | 703K | by Jan 1993 – Mar 2014 |
| C-Bruni Mineral Trust G-4-65462 | Hilcorp Energy Company only | Laredo (Lobo) | Webb | 1 | 11.8K | 2.27M | by Jan 1993 – Aug 2026 |
| James Trust G-1-287461 | Lewis Petro Properties, Inc. only | Hawkville (Eagleford Shale) | Webb | 1 | 11.8K | 3.46M | Jul 2019 – Aug 2026 |
| Boston Texas Land & Trust G-4-293197 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 11.8K | 564K | Jun 2022 – Aug 2026 |
| Cole Trust Stony G-13-263690 | BKV Barnett II, LLC only | Newark, East (Barnett Shale) | Denton | 1 | 11.7K | 2.47M | Aug 2011 – Aug 2026 |
| Silva-Coates Energy Trust G-4-154356 | Kerr-McGee Oil & Gas Onshore LLC only | Kelsey (Vxkbg. Consol.) | Starr | 1 | 11.7K | 413K | Mar 1995 – Apr 2004 |
| Henderson Trust "NN" G-9-144806 | Red Stag Operating, LLC only | Ozona (Canyon Sand) | Crockett | 1 | 11.7K | 546K | Mar 1993 – Aug 2026 |
| Benavides Trust G-4-193953 | Merit Energy Company only | Los Mogotes (Wilcox Cons.) | Zapata | 1 | 11.7K | 2.39M | Feb 2003 – Aug 2026 |
| Flowers Trust "B" G-14-253016 | Mewbourne Oil Company only | Mendota, NW. (Granite Wash) | Roberts | 1 | 11.6K | 827K | Jun 2009 – Aug 2026 |
| Bruni Mineral Trust "A" G-4-226027 | Hilcorp Energy Company only | B.M.T. (Lobo Cons.) | Webb | 1 | 11.4K | 746K | Mar 2007 – Mar 2018 |
| Kincaid, A. R. Trust 'C' G-9-150392 | Scout Energy Management LLC only | Ozona, NE. (Canyon Sand) | Crockett | 1 | 11.4K | 575K | Jul 1994 – Aug 2026 |
| Flowers Trust "A" G-14-218936 | Mmgl Txph, LLC only | Mendota, NW. (Granite Wash) | Roberts | 1 | 11.4K | 626K | Aug 2006 – Apr 2022 |
| Bruni Mineral Trust G-4-64000 | Columbus Energy, LLC only | Laredo (Lobo) | Webb | 1 | 11.3K | 3.94M | by Jan 1993 – Aug 2026 |
| Guaranty Title & Trust G-4-129953 | Royal Production Company, Inc. only | Saxet (9150) | Nueces | 1 | 11.3K | 580K | by Jan 1993 – Jan 1998 |
| Frost Trust 43 G-4-187485 | Hilcorp Energy Company only | Vaquillas Ranch (Lobo Cons.) | Webb | 1 | 11.2K | 1.65M | Jan 2002 – Aug 2026 |
| Kincaid, A. R. Trust 'C' G-9-144023 | Scout Energy Management LLC only | Ozona, NE. (Canyon Sand) | Crockett | 1 | 11.1K | 648K | Feb 1993 – Aug 2026 |
| Smith Family Trust Gas Unit G-6-215208 | Weatherly Oil & Gas, LLC only | Naconiche Creek (Rod.-TP Cons.) | Nacogdoches | 1 | 11.1K | 1.11M | Feb 2005 – Apr 2019 |
| Wylie Trust-Burks G-6-286850 | Buckhorn Operating LLC only | Brachfield, S.E. (Cotton Valley) | Rusk | 1 | 11K | 3.51M | Jan 2019 – Aug 2026 |
| Winterbotham Trust "B" G-9-180940 | OXY USA EOR, LLC only | Brooks, South (Cisco 5600) | Irion | 1 | 11K | 549K | Jan 2001 – Dec 2019 |
| Baker Trust G-2-148480 | Rutherford Oil Corporation only | Brazil (1ST Tom Lyne) | Live Oak | 1 | 11K | 8.45M | Feb 1994 – Dec 2001 |
| Schreiner Ranch Trust II G-2-148648 | Forney Oil Corporation only | Limes (Wilcox F-1) | Live Oak | 1 | 10.9K | 431K | Feb 1994 – Apr 1996 |
| Los Ojuelos Mineral Trust G-4-224490 | Evans, S. Lavon Jr. Oper. Co. only | Pancho (Wilcox) | Webb | 1 | 10.8K | 1.84M | Sep 2006 – Apr 2019 |
| Flowers Trust G-14-254259 | Mewbourne Oil Company only | Mendota, NW. (Granite Wash) | Roberts | 1 | 10.8K | 707K | Oct 2009 – Aug 2026 |
| West Ranch G-10-260005 | Sandridge Expl. and Prod., LLC only | Pinon (Overthrust) | Pecos | 1 | 10.6K | 291K | Jul 2008 – Sep 2014 |
| West Ranch G-10-161610 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 10.6K | 7.9M | Oct 1996 – Jul 2022 |
| C-Bruni Mineral Trust G-4-146275 | Hilcorp Energy Company only | Bashara-Hereford (7300) | Webb | 1 | 10.6K | 1.68M | Aug 1993 – Aug 2026 |
| Garza Zamora Energy Trust G-4-237506 | Merit Energy Company only | Flores (Vicksburg, Lower) | Starr | 1 | 10.6K | 691K | Mar 2008 – Aug 2026 |
| Smith Family Trust G-6-229730 | Weatherly Oil & Gas, LLC only | Naconiche Creek (Rod.-TP Cons.) | Nacogdoches | 1 | 10.5K | 944K | Feb 2007 – Sep 2019 |
| West Ranch G-10-153555 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 10.5K | 3.17M | Dec 1994 – Jan 2026 |
| Kincaid, A. R. Trust G-9-143303 | Scout Energy Management LLC only | Ozona, NE. (Canyon Sand) | Crockett | 1 | 10.4K | 820K | by Jan 1993 – Aug 2026 |
| Flowers Trust G-14-244495 | Mewbourne Oil Company only | Mendota, NW. (Granite Wash) | Roberts | 1 | 10.2K | 406K | Nov 2008 – Jul 2022 |
| Henderson Trust G-9-144782 | Apache Corporation only | Howards Creek (Canyon) | Crockett | 1 | 10.2K | 1.41M | Apr 1993 – Jul 2026 |
| Kincaid, A.R. Trust 'D' G-9-147558 | Scout Energy Management LLC only | Ozona, NE. (Canyon Sand) | Crockett | 1 | 10.2K | 760K | Dec 1993 – Aug 2026 |
| Kincaid, A. R. Trust -D- G-9-142282 | Scout Energy Management LLC only | Ozona, NE. (Canyon Sand) | Crockett | 1 | 10.2K | 1.17M | by Jan 1993 – Aug 2026 |
| Mitchell 31 G-9-165809 | Hilcorp Energy Company only | Pakenham (Thrusted) | Terrell | 1 | 10.1K | 1.34M | Aug 1997 – Aug 2026 |
| Kincaid, A. R. Trust 'C' G-9-163264 | Scout Energy Management LLC only | Ozona, NE. (Canyon Sand) | Crockett | 1 | 10.1K | 610K | May 1997 – Aug 2026 |
| Carl, William E. G-4-145944 | Nordan Trust, The only | Carrl Ranch (2ND Yegua Sand) | Duval | 1 | 10.1K | 417K | by Jan 1993 – Mar 1997 |
| Myers Family Trust G-13-252985 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Denton | 1 | 10K | 1.13M | Jul 2009 – Aug 2026 |
| Kincaid, A. R. Trust "B" G-9-142597 | Scout Energy Management LLC only | Ozona, NE. (Canyon Sand) | Crockett | 1 | 9.99K | 806K | by Jan 1993 – Aug 2026 |
| Mitchell 11 G-9-62668 | Hilcorp Energy Company only | Pakenham (Thrusted) | Terrell | 1 | 9.98K | 1.87M | by Jan 1993 – Aug 2026 |
| University #36-6 G-9-160414 | White Rock Oil & Gas, LLC only | Pakenham (Thrusted) | Terrell | 1 | 9.95K | 613K | Oct 1996 – Aug 2026 |
| Schreiner Ranch Trust No. 2 G-2-103544 | McCombs Energy LLC only | Limes (Wilcox 9900) | Live Oak | 1 | 9.94K | 489K | by Jan 1993 – Sep 1997 |
| Vollmert Trust G-14-246765 | Bracken Operating, L.L.C. only | Mendota, NW. (Granite Wash) | Roberts | 1 | 9.91K | 1.26M | Nov 2008 – Aug 2026 |
| Cole Trust Stony G-13-180733 | BKV Barnett II, LLC only | Newark, East (Barnett Shale) | Denton | 1 | 9.9K | 769K | Nov 2000 – Aug 2026 |
| Brooks Trust G-2-178042 | Prime Operating Company only | Cadiz (Luling-Wilcox) | Bee | 1 | 9.8K | 1.43M | Jun 2000 – Jun 2007 |
| Kincaid, A. R. Trust "B" G-9-49650 | Scout Energy Management LLC only | Ozona, NE. (Canyon Sand) | Crockett | 1 | 9.77K | 611K | by Jan 1993 – Aug 2026 |
| Kincaid, A. R. Trust -D- G-9-136852 | Scout Energy Management LLC only | Davidson Ranch (Penn. 7890) | Crockett | 1 | 9.75K | 1.43M | by Jan 1993 – Jun 2025 |
| Longfellow 130 G-10-203347 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 9.72K | 835K | Sep 2004 – Mar 2024 |
| Flowers Trust 'A' G-14-252891 | Bce-Mach III LLC only | Mendota, NW. (Granite Wash) | Roberts | 1 | 9.67K | 664K | Jun 2008 – Dec 2020 |