| Billings-Newton Trust G-4-120050 | Cox Exploration, Inc. only | El Gato (Lobo) | Webb | 1 | 117 | 32.5K | by Jan 1993 – Dec 1993 |
| Mitchell 8 G-9-211093 | Hilcorp Energy Company only | Pakenham (Thrusted) | Terrell | 1 | 116 | 73.6K | Jul 2004 – Aug 2026 |
| Eubanks Trust G-5-176283 | Diversified Production LLC only | Teague (CV-Bossier Cons.) | Freestone | 1 | 116 | 3.2M | Dec 1999 – Aug 2026 |
| Haynes Mineral Trust G-4-193244 | Hilcorp Energy Company only | Haynes (Middle Wilcox Cons.) | Zapata | 1 | 116 | 4.66M | Dec 2002 – Aug 2026 |
| West Ranch G-10-240641 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 115 | 803K | Jul 2008 – Apr 2024 |
| Cole Trusts 576 "A" G-13-192817 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Denton | 1 | 115 | 505K | Oct 2002 – Aug 2026 |
| Marrs McLean Trust -A- G-4-230403 | Columbus Energy, LLC only | Thompsonville, NE. (10640) | Jim Hogg | 1 | 115 | 821K | May 2006 – Apr 2017 |
| Boatmen Trust Co. GU #2 G-5-168486 | Anadarko Petroleum Corporation only | Teague (Travis Peak) | Freestone | 1 | 114 | 119K | Apr 1998 – Jul 2008 |
| West G-10-190212 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 114 | 1.15M | Apr 2002 – Apr 2024 |
| West Ranch G-10-257996 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 114 | 350K | May 2010 – Aug 2026 |
| West Ranch G-10-256556 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 113 | 1.63M | Oct 2009 – Mar 2024 |
| West Ranch G-10-248391 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 113 | 432K | Jun 2008 – Sep 2023 |
| Allison G-10-167345 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 112 | 1.06M | Feb 1998 – Feb 2023 |
| Longfellow G-10-254194 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 112 | 771K | Jan 2009 – Aug 2026 |
| Ellis, Carl Trustee -A- G-14-90611 | Latigo Petroleum, LLC only | Pan Petro (Cleveland) | Ochiltree | 1 | 111 | 682K | by Jan 1993 – Aug 2026 |
| Cole Trust "B" G-13-179322 | Bedrock Production, LLC only | Newark, East (Barnett Shale) | Denton | 1 | 110 | 765K | Oct 2000 – Jul 2020 |
| Jones Trust -26- G-14-190855 | Unbridled Resources, LLC only | Canadian, SE (Douglas) | Hemphill | 1 | 110 | 104K | Aug 2002 – Feb 2024 |
| Holbein Trust G-4-176745 | Columbus Energy, LLC only | Thompsonville, NE. (12500) | Jim Hogg | 1 | 110 | 3.48M | Mar 2000 – Aug 2026 |
| Raun, L. G. Family Trust G-3-203094 | Amtex Energy, Inc. only | Lowell Raun (Frio) | Wharton | 1 | 110 | 608K | Mar 2004 – Aug 2009 |
| Longfellow G-10-256845 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 110 | 292K | Jan 2009 – May 2025 |
| Coates Energy Trust GU No. 1 G-4-215952 | Hughes, Dan A. Company, L.P. only | Jeffress (Vicksburg Q) | Hidalgo | 1 | 109 | 7.23K | Jan 2006 – Aug 2008 |
| Allison G-10-223213 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 109 | 952K | Sep 2006 – Sep 2025 |
| Hill-Fawcett, Randee Trust "E" G-9-206115 | Upp Operating, LLC only | Sawyer (Canyon) | Sutton | 1 | 109 | 314K | Nov 2003 – Jul 2026 |
| West Ranch G-10-205893 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 109 | 1.05M | Oct 2004 – Aug 2026 |
| Allison G-10-219551 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 108 | 1.5M | Jul 2006 – Apr 2024 |
| West Ranch G-10-274201 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 108 | 414K | Oct 2010 – Oct 2024 |
| Bruni Mineral Trust -B- G-4-65553 | Enron Oil & Gas Company only | Retamia (Wilcox 9300) | Webb | 1 | 108 | 7.78K | by Jan 1993 – Jun 1993 |
| West Ranch G-10-237983 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 108 | 411K | Jan 2008 – Aug 2026 |
| Goree -SKB G-8-78889 | Long Trusts, The only | Lucky Lane (Marble Falls Lm.) | Stephens | 1 | 108 | 326K | by Jan 1993 – Jul 2020 |
| Longfellow State "E" G-10-244888 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 107 | 1.37M | Aug 2008 – Jul 2026 |
| Bruni Mineral Trust 'A' G-4-289563 | Hilcorp Energy Company only | Juanita (7100) | Webb | 1 | 107 | 12.8K | Mar 2018 – May 2026 |
| West Ranch G-10-227206 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 107 | 321K | Feb 2007 – Jul 2026 |
| Jones Trust -25- G-14-196469 | Unbridled Resources, LLC only | Canadian, SE (Douglas) | Hemphill | 1 | 106 | 147K | Apr 2003 – Sep 2019 |
| Longfellow G-10-192534 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 106 | 1.51M | Nov 2002 – Apr 2024 |
| West Ranch G-10-224939 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 106 | 769K | Oct 2005 – Aug 2026 |
| Buzzard, G.F. Etal Trustee -A- G-14-41302 | BP America Production Company only | Hansford (Morrow, Lower) | Hansford | 1 | 106 | 627K | by Jan 1993 – Dec 2005 |
| Benavides Trust G-4-196348 | Merit Energy Company only | Hundido (Lobo) | Zapata | 1 | 105 | 1.85M | Aug 2003 – Feb 2016 |
| Allison G-10-208766 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 105 | 755K | Mar 2005 – Jul 2026 |
| West Ranch G-10-218568 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 105 | 1.91M | Jun 2006 – Mar 2024 |
| Eubanks Trust G-5-184644 | Diversified Production LLC only | Teague (CV-Bossier Cons.) | Freestone | 1 | 105 | 949K | Jun 2001 – Aug 2026 |
| West Ranch G-10-199629 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 105 | 611K | Nov 2003 – Feb 2025 |
| Brown, J. O. Trust G-6-257693 | Chalker Operating Inc. only | Blocker (Page) | Harrison | 1 | 105 | 4.28K | Apr 2010 – Nov 2010 |
| West Ranch G-10-243977 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 104 | 760K | Mar 2008 – Jan 2026 |
| Randee Fawcett Trust G-9-217080 | Upp Operating, LLC only | Sawyer (Canyon) | Sutton | 1 | 103 | 260K | Dec 2005 – Jul 2026 |
| Scurlock Trust "A" G-3-43877 | Sonora Petroleum Corp. only | Clinton, N. (Yegua 8400) | Harris | 1 | 103 | 8.48K | by Jan 1993 – Jan 1995 |
| West Ranch G-10-253830 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 103 | 4.22M | Dec 2007 – Mar 2024 |
| West Ranch G-10-256558 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 102 | 2.86M | Oct 2009 – Apr 2024 |
| West Ranch G-10-246384 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 102 | 2.4M | Oct 2007 – Apr 2024 |
| Holbein Trust G-4-180049 | Columbus Energy, LLC only | Thompsonville, NE. (12500) | Jim Hogg | 1 | 101 | 267K | Nov 2000 – Jun 2016 |
| West Ranch G-10-240631 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 100 | 238K | Aug 2008 – Jul 2026 |