| 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 |
| Bruni Mineral Trust "A" G-4-80719 | Chesapeake Operating, Inc. only | Juanita (Lobo) | Webb | 1 | 447 | 1.63M | by Jan 1993 – Mar 2009 |
| Frost National Bank Trustee "A" G-4-199220 | Thorp Petroleum Corporation only | Rancho Solo (Wilcox) | Duval | 1 | 447 | 518K | Jul 2003 – Apr 2004 |
| 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 |
| Bruni Mineral Trust "A" G-4-141430 | Hilcorp Energy Company only | B.M.T. (Lobo Cons.) | Webb | 1 | 439 | 389K | by Jan 1993 – Jun 2026 |
| Bruni Mineral Trust "A" G-4-82525 | Hilcorp Energy Company only | Juanita (Lobo) | Webb | 1 | 438 | 275K | Jul 1993 – Aug 2026 |
| West Ranch G-10-186279 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 438 | 123K | May 2007 – Oct 2024 |
| Wm James Trust G-4-51765 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 437 | 325K | by Jan 1993 – Jun 2026 |
| Treadwell Trust -19-B G-9-280140 | BRP Energy, LLC only | Fort McKavitt (Lime 4150) | Schleicher | 1 | 432 | 241K | Aug 2015 – Oct 2024 |
| Carter, Mattie K. Trust G-5-157497 | Fortson Oil Company only | Butler (Woodbine) | Freestone | 1 | 431 | 169K | Nov 1995 – Oct 1997 |
| Longfellow G-10-189602 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 430 | 641K | May 2002 – Sep 2025 |
| West Ranch G-10-212044 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 430 | 639K | May 2005 – Aug 2026 |
| Barton Trust G-14-180345 | Latigo Petroleum, LLC only | Beal (Morrow Lower) | Lipscomb | 1 | 428 | 566K | Sep 2000 – Aug 2026 |
| West Ranch G-10-235808 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 422 | 1.91M | Oct 2007 – Mar 2026 |
| West Ranch G-10-217302 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 421 | 331K | May 2006 – Aug 2026 |
| West Ranch G-10-226283 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 421 | 966K | Jul 2006 – Aug 2026 |
| West Ranch G-10-249293 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 420 | 1K | Nov 2008 – Dec 2012 |
| Lee, C.W. G-6-249214 | Long Trusts, The only | Oak Hill (Cotton Valley) | Rusk | 1 | 418 | 47.8K | Sep 2008 – Sep 2021 |
| VT James Trust 1355 G-4-204132 | Lewis Petro Properties, Inc. only | Tom Walsh (Olmos) | Webb | 1 | 416 | 300K | Aug 2004 – Aug 2026 |
| Riley Trust G-5-156825 | Diversified Production LLC only | Bohlwhite (Cotton Valley Lime) | Robertson | 1 | 415 | 35.1M | Oct 1995 – Aug 2026 |
| Jones Trust -24- G-14-190760 | Chesapeake Operating, Inc. only | Canadian, SE (Douglas) | Hemphill | 1 | 414 | 96.9K | Aug 2002 – May 2009 |
| West Ranch G-10-235277 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 413 | 786K | Oct 2007 – Aug 2026 |
| Ricaby Trust G-4-216673 | Caribbean Energy LLC II only | Gregg Wood, S. (5250) | Starr | 1 | 410 | 249K | Oct 2005 – Aug 2026 |
| West Ranch G-10-237925 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 410 | 523K | Dec 2007 – Nov 2025 |
| Longfellow State "600" G-10-210571 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 410 | 1.26M | Mar 2005 – Jul 2026 |
| Lutheran Church G-6-253729 | Long Trusts, The only | Carthage (Haynesville Shale) | Panola | 1 | 410 | 1.05M | Jul 2009 – Jul 2026 |
| West Ranch G-10-245329 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 409 | 846K | Sep 2008 – Jan 2026 |
| Allison G-10-261648 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 408 | 12.4M | Aug 2010 – Apr 2024 |
| West State G-10-234157 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 407 | 131K | Aug 2007 – Jan 2026 |
| Bruni Mineral Trust "A" G-4-138311 | Hilcorp Energy Company only | B.M.T. (Lobo Cons.) | Webb | 1 | 406 | 1.92M | by Jan 1993 – Aug 2026 |
| Buckler-Trust G-8-95232 | Dale Operating Company only | Walker-Davis (Duffer 3990) | Stephens | 1 | 406 | 1.11M | by Jan 1993 – Mar 2025 |
| Bruni Mineral Trust C G-4-206819 | Nearburg Producing Company only | Aguilares (Zone 6) | Webb | 1 | 406 | 120K | Dec 2004 – Nov 2005 |
| Texas Pacific Land Trust "23" G-10-186691 | Conocophillips Company only | Ford (Wolfcamp) | Culberson | 1 | 405 | 52.6K | Sep 2001 – Feb 2003 |
| Goff Mineral Trust G-2-184797 | J&G Oil & Gas only | Goldenrod Creek (Goff) | Jackson | 1 | 402 | 20K | Jul 2001 – Dec 2001 |
| Longfellow G-10-191331 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 401 | 3.02M | Jun 2002 – Jun 2025 |
| West Ranch G-10-239121 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 397 | 2.43M | Apr 2008 – Apr 2024 |