| Share Trust "54" G-14-249702 | Mewbourne Oil Company only | Smith Perryton (Morrow-Miss.) | Ochiltree | 1 | 1.1K | 358K | Mar 2009 – Aug 2026 |
| North Hayter Trust G-6-200237 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 1.1K | 1.61M | Jan 2004 – Aug 2026 |
| West State G-10-203340 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 1.09K | 1.34M | Apr 2004 – Jul 2026 |
| Lutheran Church GU G-6-238355 | Long Trusts, The only | Beckville (Cotton Valley) | Panola | 1 | 1.08K | 715K | Mar 2008 – Jul 2026 |
| Longfellow G-10-207716 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 1.08K | 21.7K | Nov 2004 – May 2026 |
| Pshigoda, Christ, Trustee G-14-21952 | Sandlot Oil & Gas LLC only | Pan Petro (Cleveland) | Ochiltree | 1 | 1.08K | 93.3K | by Jan 1993 – May 2024 |
| West Ranch G-10-239348 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 1.08K | 300K | Mar 2008 – Jul 2026 |
| Bruni Mineral Trust 'A' G-4-178900 | Hilcorp Energy Company only | Cerrito Creek (Lobo 1) | Webb | 1 | 1.07K | 673K | Sep 2000 – Jun 2026 |
| McFaddin Mineral Trust G-6-246463 | Merit Energy Company only | Angie (James Lime) | San Augustine | 1 | 1.07K | 1.39M | Nov 2008 – Aug 2026 |
| Jernigan, Sedalia G-6-108947 | Long Trusts, The only | Oak Hill (Cotton Valley) | Rusk | 1 | 1.06K | 420K | by Jan 1993 – Jul 2026 |
| Wm James Trust G-4-86971 | Lewis Petro Properties, Inc. only | Tom Walsh (Olmos) | Webb | 1 | 1.06K | 382K | by Jan 1993 – Aug 2026 |
| Carruth, E.B. Jr. Trust, et Al G-4-150853 | Orphan Wells, LLC only | Boyle, West (3400 Sand) | Starr | 1 | 1.06K | 161K | Jun 1994 – May 2011 |
| Benavides Trust G-4-201375 | Merit Energy Company only | Los Mogotes (Wilcox Cons.) | Zapata | 1 | 1.06K | 327K | Feb 2004 – Aug 2026 |
| West Ranch G-10-239463 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 1.05K | 1.12M | Apr 2008 – Aug 2026 |
| Frost Trust 45 G-4-178082 | EOG Resources, Inc. only | Vaquillas Ranch (Lobo Cons.) | Webb | 1 | 1.05K | 168K | Jul 2000 – Aug 2012 |
| Watkins Scholarship Trust G-6-234700 | Sabine Oil & Gas Corporation only | Minden (Cotton Valley Cons.) | Rusk | 1 | 1.04K | 182K | Oct 2007 – Dec 2018 |
| Broussard Trust G-3-187608 | Milestone Operating, Inc. only | Lovells Lake (Marg. 7500) | Jefferson | 1 | 1.03K | 183K | Feb 2002 – May 2010 |
| Bruni Mineral Trust "A" G-4-80566 | Hilcorp Energy Company only | Juanita (Lobo) | Webb | 1 | 1.03K | 561K | by Jan 1993 – Jan 2015 |
| West Ranch G-10-147873 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 1.03K | 2.64M | Nov 1993 – Apr 2024 |
| Hinojosa, et Al G-4-132290 | Coates Energy Trust only | El Staggs (4100) | Hidalgo | 1 | 1.03K | 9.64K | by Jan 1993 – Mar 1994 |
| Wm James Trust G-4-217037 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 1.03K | 630K | Jan 2006 – Jun 2026 |
| King Trust "A" G-14-255943 | Unit Petroleum Company only | Hemphill (Granite Wash.) | Hemphill | 1 | 1.02K | 68.2K | Apr 2010 – Sep 2017 |
| West Ranch G-10-199613 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 1.01K | 3.01M | Nov 2003 – Apr 2024 |
| Waller, C. J. Trust G-3-270956 | Aspect Energy, LLC only | Iowa Colony (9050 Vicksburg) | Brazoria | 1 | 1.01K | 21.1K | Jun 2013 – Aug 2018 |
| Cullen Trust G-2-264269 | Republic Resources, LLC. only | Sartwelle, W. (Wilcox 2) | Lavaca | 1 | 1.01K | 74K | Jul 2011 – Jul 2013 |
| Frost National Bank Trustee G-2-100239 | Atkinson, Clifford III only | Ray Point, West | Live Oak | 1 | 1.01K | 128K | by Jan 1993 – Mar 1995 |
| Bruni Mineral Trust "A" G-4-93755 | Hilcorp Energy Company only | Juanita (Lobo) | Webb | 1 | 1.01K | 242K | Mar 1993 – Jul 2023 |
| Longfellow G-10-192532 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 1.01K | 2.19M | Sep 2002 – Dec 2023 |
| Bailey, James Trustee G-3-156345 | Shana Petroleum Company only | Paul (LW-17) | Colorado | 1 | 1.01K | 29.4K | Aug 1995 – Oct 1995 |
| Boring, George W. Trustee G-13-57274 | BKV Barnett, LLC only | Boonsville (Bend Congl., Gas) | Wise | 1 | 1.01K | 919K | by Jan 1993 – Aug 2026 |
| West Ranch G-10-223431 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 1K | 1.01M | Aug 2006 – Aug 2025 |
| Bruni Mineral Trust 'A' G-4-153633 | Hilcorp Energy Company only | Juanita (7100) | Webb | 1 | 1K | 92.1K | Aug 1994 – Jul 2026 |
| Buckler Trust G-8-217082 | Dale Operating Company only | Walker-Davis (Congl. 3850) | Stephens | 1 | 999 | 109K | Jul 2006 – Jan 2025 |
| Craft-Trust G-13-132805 | WFW Production Company, Inc. only | Gilley, W. (Atoka Congl.) | Jack | 1 | 997 | 32.9K | by Jan 1993 – Jun 2002 |
| North Hayter Trust G-6-200985 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 995 | 1.2M | Feb 2004 – Apr 2026 |
| Miller Trust G-6-293038 | Sydri Operating, LLC only | Waterman (Travis Peak) | Nacogdoches | 1 | 994 | 516K | Apr 2022 – Aug 2026 |
| West Ranch G-10-194427 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 986 | 788K | Mar 2003 – Jun 2023 |
| West Ranch G-10-227389 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 986 | 1.19M | Feb 2007 – Mar 2026 |
| Hefte, Mary Tom Trust G-4-173526 | Harper Hefte, Inc. only | Agua Dulce (Consolidated Frio) | Nueces | 1 | 983 | 147K | Jun 1999 – Dec 2021 |
| West Ranch G-10-204038 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 982 | 222K | Jul 2004 – Aug 2026 |
| Bruni Mineral Trust 'A' G-4-178978 | Hilcorp Energy Company only | Cerrito Creek (Lobo) | Webb | 1 | 978 | 1.54M | Aug 2000 – Jul 2026 |
| Longfellow G-10-169099 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 976 | 1.39M | May 1998 – Aug 2026 |
| West Ranch G-10-230311 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 975 | 654K | Jul 2007 – Jan 2026 |
| Coates Energy Trust Gas Unit #1 G-4-177382 | Hughes, Dan A. Company, L.P. only | Jeffress, E. (Vicksburg O\p) | Hidalgo | 1 | 973 | 410K | May 2000 – Aug 2008 |
| Jones Trust -26- G-14-117794 | Unbridled Resources, LLC only | Canadian, SE (Douglas) | Hemphill | 1 | 973 | 235K | by Jan 1993 – Aug 2023 |
| West Ranch G-10-177782 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 971 | 3M | May 2000 – Jun 2023 |
| Mitchell State 10 G-9-184545 | BRP Energy, LLC only | Pakenham (Thrusted) | Terrell | 1 | 971 | 1.12M | Jul 2001 – Jul 2024 |
| Longfellow G-10-205895 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 966 | 1.56M | Nov 2004 – Mar 2012 |
| Henderson Trust "OO" G-9-142973 | Red Stag Operating, LLC only | Ozona, SW. (Strawn) | Crockett | 1 | 966 | 302K | by Jan 1993 – Oct 2019 |
| West Ranch G-10-240101 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 963 | 1.46M | Feb 2008 – Feb 2025 |