| Baker Trust G-2-190666 | Rutherford Oil Corporation only | Brazil (Tom Lyne 2) | Live Oak | 1 | 50 | 664K | Apr 2002 – Feb 2019 |
| Allison 4 G-10-274510 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 50 | 1.2M | Jan 2011 – Apr 2024 |
| Longfellow Fee 2 G-10-251616 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 50 | 328K | Oct 2008 – Apr 2026 |
| Allison 4 G-10-256630 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 50 | 1.98M | Dec 2009 – Apr 2024 |
| West Ranch G-10-259469 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 49 | 64.2K | Nov 2010 – Sep 2025 |
| West Ranch G-10-247976 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 49 | 386K | Dec 2008 – Jan 2026 |
| Longfellow G-10-178074 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 49 | 333K | May 2000 – Aug 2026 |
| West State G-10-259452 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 48 | 874K | Apr 2010 – Apr 2024 |
| West Ranch G-10-225168 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 48 | 1.21M | Oct 2006 – Apr 2024 |
| West Ranch G-10-239066 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 48 | 772K | Jan 2008 – Apr 2024 |
| West Ranch G-10-236204 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 47 | 435K | Oct 2007 – Feb 2025 |
| Longfellow G-10-240432 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 47 | 348K | Mar 2008 – Jul 2026 |
| Lopez, Lauro Mineral Trust G-4-176541 | Hilcorp Energy Company only | EN Seguido (Wilcox) | Zapata | 1 | 47 | 26.9M | Mar 2000 – Mar 2018 |
| Letulle Estate G-3-164232 | Dominion Expl. & Prod., Inc. only | Rusty (1900) | Matagorda | 1 | 47 | 149K | Jun 1997 – Jul 2003 |
| Hubberd Trust G-4-164149 | Hilcorp Energy Company only | Hubberd (Lobo) | Webb | 1 | 46 | 38.1K | Jul 1997 – Apr 2009 |
| Longfellow G-10-250925 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 46 | 1.96M | Sep 2008 – Mar 2024 |
| El Peyote Mineral Trust G-4-146166 | TD Natural Resources LLC only | Loma Vieja (Wilcox) | Zapata | 1 | 46 | 8.52M | Jul 1993 – Aug 2026 |
| West Ranch G-10-275656 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 45 | 211K | Dec 2010 – Mar 2024 |
| Frost Trust 29 G-4-203510 | Proline Energy Resources Inc only | Shockacon (Wilcox 6700) | Webb | 1 | 45 | 232K | Jul 2004 – Aug 2026 |
| Eubanks Trust G-5-170927 | Diversified Production LLC only | Teague (CV-Bossier Cons.) | Freestone | 1 | 45 | 1.2M | Sep 1998 – Jul 2026 |
| Allison 2 G-10-215587 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 45 | 353K | Oct 2005 – Jan 2026 |
| Marrs McLean Trust G-4-176678 | Columbus Energy, LLC only | Thompsonville, NE. (12500) | Jim Hogg | 1 | 45 | 2.35M | Apr 2000 – Feb 2016 |
| Haynes Mineral Trust G-4-149005 | Hilcorp Energy Company only | Haynes (Middle Wilcox Cons.) | Zapata | 1 | 45 | 401K | Mar 1994 – Aug 2026 |
| West State G-10-217742 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 44 | 671K | Jun 2005 – Feb 2025 |
| Wimberly Family Trust G-13-294581 | Oakridge Oil and Gas, LP only | Jack County Regular | Jack | 1 | 44 | 54.5K | Mar 2023 – Aug 2026 |
| Cole Trusts 576 "A" G-13-214934 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Denton | 1 | 44 | 886K | Oct 2005 – Aug 2026 |
| West Ranch G-10-259842 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 44 | 924K | May 2010 – Feb 2024 |
| Allison 4 G-10-241336 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 44 | 5.86M | May 2008 – Apr 2024 |
| West Ranch G-10-238171 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 44 | 346K | Oct 2007 – Mar 2024 |
| Longfellow 130 G-10-220996 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 44 | 6.19K | Feb 2006 – Aug 2026 |
| West Ranch G-10-248393 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 44 | 1.62M | Aug 2008 – Apr 2024 |
| Brown Trust O-11-69749 | Texland Petroleum, L.P. only | Wildcat | Terry | 1 | 44 | 0 | Feb 2011 – Apr 2011 |
| Vera Trust G-4-226914 | Chandler Oil & Gas, LLC only | Santa Cruz, N. (Yegua 8800) | Duval | 1 | 44 | 2.78K | Oct 2022 – Jun 2023 |
| Gonzalez G-10-260543 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 44 | 1.39M | Jul 2010 – Apr 2024 |
| West Ranch G-10-240090 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 43 | 427K | May 2008 – Aug 2026 |
| Allison 2 G-10-183902 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 43 | 11.1K | Jul 2001 – Jan 2010 |
| West Ranch G-10-230389 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 43 | 168K | Jul 2007 – Aug 2026 |
| Semmes Trust, et al "906" G-4-192633 | Forest Oil Corporation only | Rincon (Vicksburg Cons.) | Starr | 1 | 43 | 340K | Sep 2002 – Nov 2009 |
| Eubanks Trust G-5-177974 | Diversified Production LLC only | Teague (CV-Bossier Cons.) | Freestone | 1 | 43 | 1.17M | Mar 2000 – Aug 2026 |
| West State 24 G-10-248378 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 43 | 1.94M | Apr 2008 – Mar 2024 |
| West Ranch G-10-259451 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 43 | 1.74M | Apr 2010 – Apr 2024 |
| Cartwright Trust G-2-171267 | C & E Operating, Inc. only | Berclair, E. (Frio Middle) | Goliad | 1 | 43 | 460K | Aug 1998 – Oct 2012 |
| Bruni Mineral Trust "B" G-4-224682 | Hilcorp Energy Company only | La Perla (Lobo Cons.) | Webb | 1 | 43 | 338K | Sep 2006 – Jun 2024 |
| West Ranch G-10-252999 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 43 | 299K | Nov 2008 – May 2026 |
| Hill-Aldwell, Winnie R. Trust A G-9-108043 | Upp Operating, LLC only | Sawyer (Canyon) | Sutton | 1 | 43 | 751K | by Jan 1993 – Jul 2026 |
| Longfellow G-10-190217 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 43 | 489K | Jun 2002 – May 2026 |
| Hill-Fawcett, Randee Trust "D" G-9-210897 | Upp Operating, LLC only | Sawyer (Canyon) | Sutton | 1 | 42 | 182K | Jan 2005 – Jul 2026 |
| Cole Trust Four G-13-148240 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Denton | 1 | 42 | 1.62M | Jan 1994 – Aug 2026 |
| Pryor, Myra S. Trust G-3-142826 | North Central Oil Corp. only | Stimmel, West (Frio 4640) | Wharton | 1 | 42 | 183K | Jun 1993 – Sep 1994 |
| Bruni Mineral Trust "A" G-4-114199 | Hilcorp Energy Company only | Juanita (Lobo) | Webb | 1 | 42 | 809K | by Jan 1993 – Mar 2013 |