| Sanders Trustee Unit G-3-129209 | Dynamic Production, Inc. only | Peveto (9600) | Orange | 1 | 1.36K | 32.9K | by Jan 1993 – Feb 1994 |
| West Ranch G-10-252863 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 1.36K | 3.27M | Dec 2008 – Apr 2024 |
| The Dinn Mineral Trusts G-4-120988 | Hilcorp Energy Company only | Guerra (Elvella) | Webb | 1 | 1.35K | 1.52M | by Jan 1993 – Jul 2017 |
| West Ranch G-10-190215 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 1.35K | 1.74M | Jun 2002 – Dec 2025 |
| Henderson Trust G-9-218624 | Apache Corporation only | Howards Creek (Canyon) | Crockett | 1 | 1.35K | 822K | Jan 2006 – Aug 2026 |
| Jones Trust -24- G-14-190314 | Unbridled Resources, LLC only | Canadian, SE (Douglas) | Hemphill | 1 | 1.34K | 219K | Jul 2002 – Mar 2014 |
| North Hayter Trust G-6-195682 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 1.33K | 1.61M | Jun 2003 – Jan 2025 |
| Allison G-10-219533 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 1.33K | 7.56M | Dec 2005 – Apr 2024 |
| Allison G-10-178071 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 1.33K | 6.54M | Jul 2000 – Apr 2024 |
| Waggoner, W.T. Estate O-13-30313 | Aaa Oil Trust only | Wilbarger County Regular | Wilbarger | 3 | 1.32K | 0 | Mar 2004 – Jul 2010 |
| Bruni Mineral Trust "A" G-4-117180 | Hilcorp Energy Company only | Juanita (Lobo) | Webb | 1 | 1.32K | 627K | by Jan 1993 – Aug 2026 |
| Parker Trust -20- O-10-28674 | Bellwether Exploration Company only | Monahans Draw (Clearfork) | Ector | 4 | 1.32K | 7.23K | by Jan 1993 – Dec 1993 |
| Walker-Buckler Trust/TR 40A/Roco O-8-27382 | Beehive Operating, LLC only | Fort Griffin, E. (Strawn) | Shackelford | 1 | 1.31K | 10.2K | Nov 1994 – Oct 1999 |
| Flowers Trust G-14-93150 | Mmgl Txph, LLC only | Mendota, NW. (Douglas, Lo.) | Roberts | 1 | 1.31K | 317K | by Jan 1993 – Oct 2017 |
| Laird, S. S. Est. et Al G-6-97650 | Long Trusts, The only | Oak Hill (Cotton Valley) | Rusk | 1 | 1.3K | 525K | by Jan 1993 – Jul 2026 |
| Ruppe Trust GU 1 G-6-254398 | TGNR East Texas II LLC only | Carthage (Haynesville Shale) | Harrison | 1 | 1.3K | 3.14M | Oct 2009 – Aug 2026 |
| Henderson Trust GG G-9-157330 | Red Stag Operating, LLC only | Ozona, NE. (Canyon Sand) | Crockett | 1 | 1.29K | 127K | Jan 1996 – Aug 2026 |
| West State G-10-201372 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 1.29K | 351K | Feb 2004 – Aug 2026 |
| Boatmen's Trust Company O-4-11664 | Quest Research & Dev. Corp. only | Harry (Mirando) | Webb | 10 | 1.28K | 43 | by Jan 1993 – May 1998 |
| Duval Ranch, Sec. #100, a/C 1 O-4-2111 | Dewbre, Jerry C., Trustee only | Piedre Lumbre | Duval | 2 | 1.28K | 0 | Jan 2011 – Mar 2015 |
| Schmid Trust O-2-8546 | McCombs Energy LLC only | Maxine (7050) | Live Oak | 1 | 1.27K | 0 | May 2000 – Dec 2000 |
| Mitchell 9 G-9-208398 | Hilcorp Energy Company only | Pakenham (Thrusted) | Terrell | 1 | 1.27K | 92.4K | Aug 2004 – Sep 2017 |
| Hewes, Rebecca Wright G-6-100851 | Long Trusts, The only | Oak Hill (Cotton Valley) | Rusk | 1 | 1.27K | 1.12M | by Jan 1993 – Jul 2026 |
| Walker Trust G-14-64813 | BP America Production Company only | Dutcher (Cleveland) | Ochiltree | 1 | 1.26K | 90.6K | by Jan 1993 – Aug 2001 |
| Douglas Mineral Trust O-13-5796 | Spearco Oil only | Wichita County Regular | Wichita | 10 | 1.26K | 26 | by Jan 1993 – Mar 1997 |
| Watkins Scholarship Trust G-6-239224 | Sabine Energy Inc. only | Minden (Cotton Valley Cons.) | Rusk | 1 | 1.26K | 358K | Feb 2008 – Aug 2026 |
| West Ranch G-10-209628 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 1.25K | 67.5K | May 2005 – Feb 2025 |
| Henderson Trust GU G-6-244079 | Wallace Operating Company LLC only | Trawick, West (Travis Peak) | Nacogdoches | 1 | 1.24K | 208K | Feb 2008 – Oct 2016 |
| Flowers Trust -A- G-14-39239 | Blackbeard Operating, LLC only | Mendota, NW. (Morrow, Upper) | Roberts | 1 | 1.24K | 916K | by Jan 1993 – Jul 2020 |
| Bruni Mineral Trust G-4-158738 | Hilcorp Energy Company only | La Perla (Lobo Cons.) | Webb | 1 | 1.24K | 4.46M | May 1996 – Aug 2026 |
| Bruni Mineral Trust "A" G-4-88453 | Hilcorp Energy Company only | Juanita (Lobo) | Webb | 1 | 1.24K | 458K | by Jan 1993 – Aug 2026 |
| Haar Trust "17" O-14-8541 | High River Res Operating, LLC only | Perryton, N. E. (Marmaton) | Ochiltree | 1 | 1.23K | 2.74K | Sep 2011 – Dec 2012 |
| Trust "Bs&f" Unit O-8-27481 | Van Operating, Ltd. only | Gatlin (Miss) | Shackelford | 1 | 1.23K | 22.7K | Nov 1994 – Jul 1996 |
| Hubberd Trust G-4-153776 | Columbus Energy, LLC only | Liz (9200) | Webb | 1 | 1.23K | 873K | Mar 1995 – Jan 2010 |
| Mann Trust - State Gas Unit G-4-270196 | Caturus Energy, LLC only | Owen (Olmos) | Webb | 1 | 1.23K | 1.09M | May 2013 – Aug 2026 |
| Henderson Trust D G-9-145348 | Apache Corporation only | Howards Creek (Canyon) | Crockett | 1 | 1.22K | 282K | Feb 1993 – Aug 2026 |
| West Ranch G-10-224638 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 1.21K | 172K | Nov 2006 – Feb 2025 |
| Wardner, G. P. Trustee -A- O-4-8489 | Poor Boy Oilfield Service only | El Tanque | Starr | 1 | 1.21K | 37 | by Jan 1993 – Aug 1996 |
| West Ranch G-10-237133 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 1.21K | 1.94M | Nov 2007 – Aug 2026 |
| Lesley Trust G-13-206638 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Denton | 1 | 1.21K | 3.76M | Dec 2004 – Aug 2026 |
| Martin Trust A G-14-123805 | United Oil & Shale LLC only | Clark Martin (Granite Wash) | Roberts | 1 | 1.21K | 278K | by Jan 1993 – Sep 2009 |
| Boston Texas Land Trust #7 G-4-155846 | Legacy Corporation, The only | Amore (Vicksburg 6200) | Hidalgo | 1 | 1.21K | 247K | Sep 1995 – Jul 1998 |
| Laird, S.S. Est. et Al G-6-178032 | Long Trusts, The only | Oak Hill (Cotton Valley) | Rusk | 1 | 1.2K | 786K | May 2000 – Jul 2026 |
| Frost Trust 39 G-4-186079 | Hilcorp Energy Company only | Vaquillas Ranch (Lobo Cons.) | Webb | 1 | 1.19K | 163K | Oct 2001 – Aug 2026 |
| North Hayter Trust G-6-218439 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 1.18K | 1.1M | Jan 2006 – Aug 2026 |
| McLure, J. D. O-8-19528 | McClure, J.D. Trust only | Palo Pinto County Regular | Palo Pinto | 4 | 1.18K | 76 | by Jan 1993 – Jun 2001 |
| Bruni Mineral Trust 15 G-4-208866 | Killam Oil Co., Ltd. only | Zwebb (10350) | Zapata | 1 | 1.18K | 720K | Nov 2004 – Jan 2016 |
| Henderson Trust O G-9-223185 | Apache Corporation only | Howards Creek (Canyon) | Crockett | 1 | 1.17K | 95K | Sep 2006 – Aug 2026 |
| Laird, S.S. Est. et Al G-6-202581 | Long Trusts, The only | Oak Hill (Cotton Valley) | Rusk | 1 | 1.16K | 1.03M | Jun 2004 – Jul 2026 |
| Fidelity Trust "21" G-10-186319 | EOG Resources, Inc. only | Waha (Montoya) | Reeves | 1 | 1.16K | 552K | Mar 2001 – Nov 2001 |