| Lopez Mineral Trust G-4-196591 | Paleo Oil Company LLC only | Dinn Intermediate (Hinnant) | Duval | 1 | 34 | 1.53M | Aug 2003 – Jul 2026 |
| West Ranch G-10-226849 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 34 | 708K | Dec 2006 – Mar 2024 |
| Wheat Trust 60 G-10-221302 | Crescent Energy Operating, LLC only | Haley (Lwr. Wolfcamp-Penn Cons.) | Loving | 1 | 34 | 1.87M | Apr 2006 – Jan 2024 |
| West Ranch G-10-199611 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 33 | 52.8K | Aug 2003 – Dec 2008 |
| Haynes Mineral Trust G-4-132674 | Hilcorp Energy Company only | Haynes (Middle Wilcox Cons.) | Zapata | 1 | 33 | 1.45M | by Jan 1993 – Aug 2026 |
| Bragg Trust G-5-211284 | Encana Oil & Gas(usa) Inc. only | Neal (Bossier) | Freestone | 1 | 33 | 17.4K | Feb 2005 – Jul 2009 |
| Rhodes Trust O-8-30965 | J B J Oil Properties, Inc. only | Schlittler | Young | 1 | 33 | 0 | Apr 2012 – Jun 2012 |
| Iowa Realty Trust "S" O-10-23435 | Nizen, Stanley only | Beverly (Queen) | Pecos | 1 | 33 | 18.5K | by Jan 1993 – Aug 1996 |
| West Ranch G-10-256462 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 32 | 1.58M | Dec 2009 – Mar 2024 |
| Bruni Mineral Trust G-4-178876 | Arete Operating Company, LLC only | La Perla (Lobo Cons.) | Zapata | 1 | 32 | 3.15M | Aug 2000 – Aug 2026 |
| Allison G-10-258527 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 32 | 1.4M | Apr 2010 – Mar 2024 |
| West Ranch G-10-253519 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 32 | 1.44M | Mar 2008 – Apr 2024 |
| West Ranch South 4 G-10-248333 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 32 | 3.02M | Oct 2008 – Apr 2024 |
| West Ranch G-10-234810 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 32 | 283K | Sep 2007 – Jul 2026 |
| Longfellow G-10-245596 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 32 | 412K | Oct 2008 – Apr 2024 |
| West Ranch G-10-216883 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 31 | 506K | Apr 2006 – Aug 2026 |
| Allison G-10-229180 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 31 | 206K | Apr 2007 – May 2026 |
| Henderson Trust "EE" G-9-151477 | Enron Oil & Gas Company only | Ozona, SW. (Strawn) | Crockett | 1 | 31 | 34.3K | Sep 1994 – Oct 1994 |
| Hein Trust G-4-146451 | Hilcorp Energy Company only | La Perla (Lobo Cons.) | Webb | 1 | 31 | 267K | Aug 1993 – Dec 1997 |
| West Ranch G-10-241789 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 31 | 163K | Jun 2008 – Aug 2026 |
| Allison G-10-274949 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 31 | 355K | Sep 2010 – Apr 2024 |
| Hooker Trust -C- O-8-3412 | JTC Royalties LLC only | Shackelford County Regular | Shackelford | 1 | 31 | 0 | Jul 2000 – Jul 2002 |
| Allison 4 G-10-240085 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 30 | 4.98M | May 2008 – Apr 2024 |
| Allison 4 G-10-239158 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 30 | 4.3M | Mar 2008 – Apr 2024 |
| Benton Trust G-3-176307 | Patterson Petroleum LP only | Rosenburg (Frio 5340) | Fort Bend | 1 | 30 | 274K | Dec 1999 – Dec 2003 |
| Haynes Mineral Trust G-4-122838 | Hilcorp Energy Company only | Munoz (Lobo) | Zapata | 1 | 30 | 359K | by Jan 1993 – Aug 2026 |
| Lawrence Trust Unit G-13-291800 | Jetta Operating Company, Inc. only | Big Mineral Creek (Viola) | Grayson | 1 | 30 | 103K | Oct 2021 – Jul 2026 |
| West Ranch G-10-249290 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 30 | 154K | Jun 2008 – Aug 2026 |
| West Ranch G-10-249291 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 30 | 360K | Jan 2009 – Jan 2025 |
| Allison G-10-158305 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 30 | 181K | Apr 1996 – Feb 2002 |
| Hein Trust G-4-154234 | Hilcorp Energy Company only | La Perla (Lobo Cons.) | Webb | 1 | 30 | 54.9K | Apr 1995 – Jun 2002 |
| Allison G-10-249679 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 30 | 128K | Feb 2009 – Aug 2026 |
| Goff-Goelzer Gas Unit G-2-150303 | Hunt, Wm. Herbert, Trust Est. only | Topsy (3900) | Jackson | 1 | 30 | 441K | Jul 1994 – Jul 1997 |
| Rust Estate 2 G-6-101579 | Brookston Energy, Inc. only | Oak Hill (Cotton Valley) | Rusk | 1 | 29 | 401K | by Jan 1993 – Aug 2026 |
| Frost Trust G-4-153269 | Austin Resources Corporation only | Shockacon (Wilcox 6700) | Webb | 1 | 29 | 5.89K | Jun 1994 – Aug 1994 |
| Watkins Trust (Harding) G-13-240511 | Grand Operating, Inc. only | Newark, East (Barnett Shale) | Tarrant | 1 | 29 | 1.99M | May 2007 – Apr 2015 |
| McLane Texas Trust East G-3-154106 | D-Mil Production, Inc. only | Garwood (Frio 3200) | Colorado | 1 | 29 | 90.6K | Mar 1995 – Dec 1999 |
| Marrs McLean Trust G-4-166952 | Columbus Energy, LLC only | Thompsonville, NE. (12500 FB-C) | Jim Hogg | 1 | 28 | 1.16M | Feb 1998 – Jun 2018 |
| West State G-10-230777 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 28 | 2.2M | Jul 2007 – Apr 2024 |
| Hradilek G-2-152265 | Hunt, Wm. Herbert, Trust Est. only | Pine Tree (Frio 3300) | Lavaca | 1 | 28 | 178K | Nov 1994 – Oct 1996 |
| West State G-10-201766 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 28 | 110K | Mar 2004 – Apr 2025 |
| Allison G-10-224863 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 28 | 290K | Nov 2006 – Jul 2026 |
| West Ranch G-10-229132 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 28 | 164K | Jul 2007 – Jan 2026 |
| Haynes Mineral Trust G-4-208611 | Hilcorp Energy Company only | Haynes (Middle Wilcox Cons.) | Zapata | 1 | 28 | 860K | Feb 2005 – Aug 2026 |
| West Ranch G-10-239309 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 28 | 2.21M | Feb 2008 – Feb 2024 |
| West Ranch G-10-230564 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 28 | 2.36M | Jun 2007 – Mar 2024 |
| West Ranch G-10-256633 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 28 | 844K | Feb 2010 – Apr 2023 |
| West Ranch G-10-239864 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 28 | 252K | Apr 2008 – Aug 2026 |
| Bruni Mineral Trust "A" G-4-80717 | Chevron U. S. A. Inc. only | Juanita (Lobo) | Webb | 1 | 27 | 54K | Mar 1993 – Jul 1994 |
| Fawcett, Randee Trust "C" G-9-213761 | Upp Operating, LLC only | Sawyer (Canyon) | Sutton | 1 | 27 | 136K | Jun 2005 – Jul 2026 |