| Longfellow G-10-194419 | Sandridge Expl. and Prod., LLC only | Pinon (Overthrust) | Pecos | 1 | 97 | 672K | Mar 2003 – Jul 2008 |
| Anderson Trust "A" G-5-186933 | Diversified Production LLC only | Nan-SU-Gail (CV Consolidated) | Freestone | 1 | 97 | 2.72M | Dec 2001 – Aug 2026 |
| West Ranch G-10-229129 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 97 | 426K | Jul 2007 – May 2026 |
| Parker Trust 20 O-10-56965 | Acoma Operating, LLC only | Goldsmith (Clear Fork) | Ector | 7 | 96 | 0 | Oct 2022 – Aug 2026 |
| Beggs, G. Trust G-6-246055 | Charger Oil & Gas, LLC only | Minden (Cotton Valley Cons.) | Rusk | 1 | 96 | 78K | Sep 2008 – Mar 2013 |
| West Ranch G-10-255953 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 96 | 2.98M | Apr 2009 – Mar 2024 |
| Nichols Trust O-11-68639 | Invoil, Inc. only | Anton-Irish (Wolfcamp) | Lamb | 1 | 96 | 0 | Dec 2004 – Dec 2004 |
| West Ranch G-10-256631 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 95 | 548K | Feb 2010 – Feb 2025 |
| Cole Trust One "A" G-13-135255 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Denton | 1 | 95 | 409K | by Jan 1993 – Oct 2022 |
| Longfellow G-10-236241 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 95 | 1.06M | Nov 2007 – Aug 2026 |
| Allison G-10-237199 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 95 | 129K | Nov 2007 – Jul 2026 |
| West Ranch South G-10-257810 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 94 | 271K | Jan 2010 – Aug 2026 |
| West Ranch G-10-238184 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 94 | 214K | Nov 2007 – Aug 2026 |
| West Ranch G-10-231541 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 94 | 3.23M | Sep 2007 – Mar 2024 |
| Allison G-10-256278 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 94 | 1.2M | Oct 2009 – Apr 2024 |
| West Ranch G-10-198342 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 94 | 2.31M | Oct 2003 – Jan 2026 |
| West Ranch South G-10-217743 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 94 | 1.12M | Feb 2005 – Apr 2024 |
| West Ranch G-10-227199 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 94 | 3.32M | Mar 2007 – Mar 2024 |
| Douglas Mineral Trust O-13-12245 | Bastrop Oil & Gas, Inc. only | Wichita County Regular | Wichita | 16 | 93 | 26 | by Jan 1993 – Feb 1996 |
| Allison G-10-256081 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 93 | 2.37M | Aug 2009 – Apr 2024 |
| Gresham Trust G-5-260659 | Comstock Oil & Gas, LLC only | Hayden Lake (Bossier) | Leon | 1 | 93 | 725K | Jun 2010 – Aug 2026 |
| Hein Trust G-4-152435 | Conocophillips Company only | La Perla (Lobo Cons.) | Webb | 1 | 93 | 721K | Nov 1994 – Jul 1999 |
| West Ranch G-10-216902 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 93 | 493K | Apr 2006 – Mar 2024 |
| Keeran Trust B G-2-240784 | Sue-Ann Operating, L.C. only | Keeran (6200) | Victoria | 1 | 93 | 24.5K | May 2008 – Feb 2009 |
| West Ranch G-10-274950 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 92 | 468K | Dec 2010 – Aug 2026 |
| Poth Family Trust G-5-145882 | Diversified Production LLC only | Pearwood (Cotton Valley Lime) | Leon | 1 | 92 | 46.3M | Jun 1993 – Aug 2026 |
| Longfellow G-10-244675 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 92 | 290K | Sep 2008 – Jun 2025 |
| Schreiner Ranch Trust II G-2-152957 | Forney Oil Corporation only | Sunset (Slick-Wilcox) | Live Oak | 1 | 92 | 22.3K | Jan 1995 – Sep 1996 |
| Rains Trust Unit G-3-175403 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Austin | 1 | 92 | 7.85M | Mar 1999 – Aug 2026 |
| Riley Trust G-5-161377 | Diversified Production LLC only | Bohlwhite (Cotton Valley Lime) | Robertson | 1 | 91 | 19.7M | Sep 1996 – Aug 2026 |
| Reiffert Bros. Trust -D- G-2-73559 | B D Production Co., Inc. only | Reiffert (Yegua 5160) | De Witt | 1 | 91 | 83.9K | by Jan 1993 – Jan 2000 |
| Fawcett, Randee Trust "C" G-9-213167 | Upp Operating, LLC only | Sawyer (Canyon) | Sutton | 1 | 90 | 922K | May 2005 – Jul 2026 |
| Cole Trust Two G-13-243898 | BKV Barnett II, LLC only | Newark, East (Barnett Shale) | Denton | 1 | 90 | 4.55M | Jul 2008 – Aug 2026 |
| West Ranch G-10-253725 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 89 | 3.39M | Jun 2009 – Feb 2023 |
| Allison G-10-259802 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 89 | 3.22M | Aug 2010 – Apr 2024 |
| West Ranch G-10-227097 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 88 | 245K | Jan 2007 – Dec 2025 |
| Jones Trust "21" G-14-193759 | Mewbourne Oil Company only | Canadian, SE (Douglas) | Hemphill | 1 | 88 | 98.8K | Mar 2003 – Aug 2026 |
| Hill-Fawcett, Randee Trust "A" G-9-106942 | Upp Operating, LLC only | Fawcett (Wolfcamp) | Sutton | 1 | 88 | 594K | by Jan 1993 – Jul 2026 |
| Olin Industries G-6-38822 | Bowles Energy, Inc. only | Carthage (Bruster) | Panola | 1 | 87 | 110K | by Jan 1993 – Apr 2002 |
| West Ranch G-10-240858 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 86 | 672K | Jul 2008 – Aug 2026 |
| Wood Trust -A- G-2-143889 | Anaqua Oil & Gas, Inc. only | Wood High (5850) | Victoria | 1 | 86 | 659 | by Jan 1993 – Jan 1993 |
| Allison G-10-208577 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 85 | 245K | Oct 2004 – Dec 2025 |
| West Ranch G-10-259459 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 85 | 10.3K | Jul 2010 – Oct 2022 |
| Eubanks Trust G-5-177947 | Diversified Production LLC only | Teague (CV-Bossier Cons.) | Freestone | 1 | 85 | 713K | Mar 2000 – Dec 2014 |
| West Ranch G-10-246018 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 84 | 447K | Nov 2008 – Sep 2025 |
| Canales O-4-11797 | Villalon, J. Antonio, Trustee only | Canales (First Pettus) | Duval | 1 | 83 | 4 | by Jan 1993 – May 1993 |
| Baker Trust G-1-171805 | Rutherford Oil Corporation only | Brazil (Govt. Wells) | McMullen | 1 | 83 | 42.6K | Oct 1998 – Jan 2004 |
| West Ranch G-10-227195 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 83 | 2.8M | Mar 2007 – Mar 2024 |
| Hubberd Trust G-4-221759 | Hilcorp Energy Company only | Liz (Lobo 6) | Webb | 1 | 82 | 209K | Apr 2006 – Aug 2026 |
| West Ranch G-10-209696 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 82 | 147K | Apr 2005 – Jul 2026 |