| Henderson Trust G-9-104408 | Apache Corporation only | Howards Creek (Penn.) | Crockett | 1 | 519 | 1.21M | by Jan 1993 – Jul 2006 |
| Gossett-Trust O-14-7877 | Presidio Petroleum LLC only | Higgins, S. (Tonkawa) | Lipscomb | 1 | 519 | 0 | Apr 2008 – Dec 2008 |
| Roberts Trust O-11-69842 | WTG Exploration only | Wells, SW. (Miss.) | Dawson | 1 | 519 | 240 | Jan 2012 – Aug 2012 |
| Allison G-10-158911 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 518 | 4.38M | Jan 1996 – Sep 2019 |
| West Ranch G-10-237929 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 516 | 1.23M | Jan 2008 – Aug 2026 |
| West Ranch G-10-248491 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 516 | 334K | May 2008 – Aug 2026 |
| Steele, J.J. Trust O-8-25349 | D-Bar Leasing, Inc. only | C.E.C. (King Sand) | Jones | 4 | 515 | 56 | by Jan 1993 – Jan 1995 |
| West Ranch G-10-248777 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 515 | 1.57M | Feb 2009 – Apr 2024 |
| West Ranch G-10-208561 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 512 | 171K | Sep 2004 – Apr 2024 |
| Carothers, G. C. "B" O-8-19511 | Rust Oil Corp. only | Sagerton, South (Congl) | Haskell | 1 | 510 | 10 | by Jan 1993 – Nov 1993 |
| Hooker Trusts -D- O-8-9810 | Jones, Jansen M. only | Shackelford County Regular | Shackelford | 7 | 505 | 21 | by Jan 1993 – Nov 2004 |
| Merritt, Thomas C. Trustee G-6-169853 | Eqv Operating LLC only | Oak Hill (Cotton Valley) | Rusk | 1 | 504 | 537K | Mar 1998 – Aug 2026 |
| West Ranch G-10-235272 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 503 | 308K | Aug 2007 – Aug 2026 |
| West Ranch G-10-234723 | Sandridge Energy, Inc. only | Pinon (Overthrust) | Pecos | 1 | 503 | 2.27K | Oct 2007 – Jan 2009 |
| North Hayter Trust G-6-236448 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 500 | 1.66M | May 2008 – Aug 2026 |
| Jones Trust -24- G-14-191294 | Unbridled Resources, LLC only | Canadian, SE (Douglas) | Hemphill | 1 | 499 | 286K | Sep 2002 – Sep 2019 |
| North Hayter Trust G-6-199028 | Wallace Operating Company LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 499 | 236K | Nov 2003 – Jun 2024 |
| Cameron Minerals Trust O-3-26795 | Garrison Operating, L.L.C. only | Glendale, East (Wilcox) | Trinity | 1 | 496 | 1.44K | Dec 2013 – May 2015 |
| West Ranch G-10-257999 | Sandridge Expl. and Prod., LLC only | Pinon (Overthrust) | Pecos | 1 | 492 | 174K | Mar 2010 – Sep 2014 |
| Uribe Family Trust G-4-186378 | Varas Energy Operating Company, only | Pok - a - Dot (8600) | Zapata | 1 | 492 | 173K | Nov 2001 – Aug 2026 |
| West Ranch G-10-245490 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 492 | 1.58M | Nov 2007 – Oct 2025 |
| Powell O-13-22649 | Phoenix Trust only | Archer County Regular | Archer | 14 | 490 | 48 | by Jan 1993 – Sep 2000 |
| Henderson Trust "DD" G-9-144671 | Red Stag Operating, LLC only | Ozona, SW. (Strawn) | Crockett | 1 | 490 | 148K | Feb 1993 – Apr 1998 |
| West Ranch G-10-210945 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 488 | 263K | Jul 2005 – Aug 2026 |
| Jones Trust G-14-197990 | Mewbourne Oil Company only | Coburn Lower (Lower Morrow) | Lipscomb | 1 | 487 | 1.72M | Sep 2003 – Aug 2026 |
| Henderson Trust "EE" G-9-143260 | Red Stag Operating, LLC only | Ozona (Canyon Sand) | Crockett | 1 | 486 | 132K | by Jan 1993 – Aug 2026 |
| Anthony, James E. Trustee "A" G-6-144419 | Fair Oil, Ltd. only | Green Fox (Hill) | Marion | 1 | 483 | 44.4K | Feb 1993 – Sep 1993 |
| Bruni Mineral Trust "A" G-4-228451 | Hilcorp Energy Company only | Cerrito Creek (Lobo) | Webb | 1 | 480 | 483K | Jun 2007 – Aug 2026 |
| Lopez Mineral Trust G-4-247490 | Hilcorp Energy Company only | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 479 | 1.26M | Feb 2009 – Aug 2026 |
| West Ranch G-10-211086 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 474 | 310K | Jun 2005 – Feb 2025 |
| Doolin Trust G-13-184453 | Sundance Resources, Inc. only | Jupiter (Conglomerate Lower) | Jack | 1 | 472 | 34.3K | Sep 2001 – Sep 2008 |
| Bruni Mineral Trust 'A' G-4-141945 | Hilcorp Energy Company only | Cerrito Creek (Lobo) | Webb | 1 | 471 | 723K | by Jan 1993 – Aug 2026 |
| Hubberd, Marie S. Trust G-4-166174 | Columbus Energy, LLC only | Hubberd (Lobo) | Webb | 1 | 471 | 97K | Sep 1997 – Nov 2018 |
| Bruni Mineral Trust "A" G-4-224744 | Hilcorp Energy Company only | B.M.T. (Lobo Cons.) | Webb | 1 | 470 | 401K | Dec 2006 – Aug 2026 |
| Frost National Bank Trustee G-1-132516 | Carrizo Exploration, Inc. only | Dent Ingram (Olmos 1) | Dimmit | 1 | 468 | 125K | by Jan 1993 – Jun 2004 |
| Wm James Trust G-4-216034 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 466 | 361K | Dec 2005 – May 2019 |
| Lopez Mineral Trust G.U. G-4-172312 | Devon Louisiana Corporation only | El Mesquitito (L-1) | Zapata | 1 | 461 | 355K | Feb 1999 – Nov 2003 |
| Longfellow G-10-171708 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 460 | 1.36M | Dec 1998 – Aug 2026 |
| Boston Texas Land Trust #4 G-4-154940 | Legacy Corporation, The only | Amore (Vicksburg 5950) | Starr | 1 | 459 | 147K | Jun 1995 – Jan 1997 |
| West Ranch G-10-237862 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 459 | 864K | Nov 2007 – Aug 2026 |
| Barton Trust G-14-182755 | Latigo Petroleum, LLC only | Lipscomb (Cleveland) | Lipscomb | 1 | 456 | 602K | Apr 2001 – Aug 2026 |
| North Hayter Trust A G-6-228447 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 455 | 828K | Apr 2007 – Aug 2026 |
| Ellis,drew et al Trustee G-14-83286 | Apache Corporation only | Northrup (Cleveland) | Ochiltree | 1 | 453 | 165K | by Jan 1993 – Sep 2002 |
| Brooks Trust No. 2 G-2-242784 | Dirks Petroleum Company only | Cadiz (Queen City) | Bee | 1 | 452 | 33.3K | Apr 2008 – Jun 2013 |
| Bruni Mineral Trust "B" G-4-200992 | Chevron U. S. A. Inc. only | La Perla (Lobo Cons.) | Webb | 1 | 451 | 306K | Apr 2004 – Dec 2009 |
| Jones Trust -25- G-14-192829 | Unbridled Resources, LLC only | Canadian, SE (Douglas) | Hemphill | 1 | 448 | 184K | Jan 2003 – Sep 2019 |
| Frost National Bank Trustee "A" G-4-199220 | Thorp Petroleum Corporation only | Rancho Solo (Wilcox) | Duval | 1 | 447 | 518K | Jul 2003 – Apr 2004 |
| Bruni Mineral Trust "A" G-4-80719 | Chesapeake Operating, Inc. only | Juanita (Lobo) | Webb | 1 | 447 | 1.63M | by Jan 1993 – Mar 2009 |
| Ruppe Trust GU 1 G-6-245645 | TGNR East Texas II LLC only | Carthage (Haynesville Shale) | Harrison | 1 | 440 | 500K | Oct 2008 – Aug 2026 |
| Eubanks Trust G-5-187180 | Diversified Production LLC only | Teague (CV-Bossier Cons.) | Freestone | 1 | 439 | 1.1M | Aug 2001 – Aug 2026 |