| Fawcett, Randee Trust "C" G-9-210850 | Upp Operating, LLC only | Sawyer (Canyon) | Sutton | 1 | 7 | 90.1K | Feb 2005 – Jul 2026 |
| Hill, Katherine Trust G-5-137764 | Cobra Oil & Gas Corporation only | Thomas Lake (Cotton Valley) | Henderson | 1 | 7 | 45.9K | by Jan 1993 – Oct 1994 |
| Carter Family Trust G-13-181205 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Denton | 1 | 7 | 346K | Jan 2001 – Jul 2022 |
| Hein Mineral Trust B G-4-180276 | Hilcorp Energy Company only | La Perla (Lobo Cons.) | Webb | 1 | 7 | 2.59M | Nov 2000 – Aug 2026 |
| Downie Ranch G-10-129472 | Longfellow Energy, LP only | Thistle (Overthrust) | Pecos | 1 | 6 | 133K | by Jan 1993 – Oct 2008 |
| Fawcett, Randee Trust C G-9-215792 | Upp Operating, LLC only | Sawyer (Canyon) | Sutton | 1 | 6 | 75.2K | Sep 2005 – Jul 2026 |
| Randee Fawcett Trust G-9-211430 | Upp Operating, LLC only | Sawyer (Canyon) | Sutton | 1 | 6 | 97.5K | Mar 2005 – Jul 2026 |
| West Ranch G-10-248865 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 6 | 145K | Jan 2009 – Apr 2024 |
| Allison G-10-203689 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 6 | 266K | May 2004 – Apr 2024 |
| Yarbrough Trust G-5-184146 | Lodestone Operating, Inc. only | Oletha (Travis Peak) | Limestone | 1 | 6 | 150K | Jun 2001 – May 2024 |
| Bruni Mineral Trust A-A G-4-69973 | Arete Operating Company II, LLC only | La Perla (Lobo Cons.) | Zapata | 1 | 6 | 301K | by Jan 1993 – Aug 2026 |
| Cole, M. T. Trust G-13-58566 | Tejas Western Corp. only | Gas Finders (Congl.) | Denton | 1 | 6 | 62.3K | by Jan 1993 – Sep 2010 |
| Hein Trust B G-4-183437 | Hilcorp Energy Company only | La Perla (Lobo Cons.) | Webb | 1 | 6 | 2.85M | Apr 2001 – Aug 2026 |
| Mitchell State 10 G-9-243749 | Piedra Operating, LLC only | Pakenham (Thrusted) | Terrell | 1 | 6 | 7 | May 2009 – May 2009 |
| Maxwell Trust G-8-151234 | Upham Oil & Gas Company only | Maxwell Trust (Congl.) | Palo Pinto | 1 | 6 | 1.45K | Jul 1994 – Jun 2010 |
| West Ranch G-10-216459 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 6 | 2.86M | Apr 2006 – Mar 2024 |
| Lopez, Lauro Mineral Trust G-4-179104 | Hilcorp Energy Company only | EN Seguido (Wilcox) | Zapata | 1 | 6 | 1.98M | Aug 2000 – Nov 2017 |
| Mercer Trust G-4-167073 | Dynamic Production, Inc. only | Parks-Farm (4025) | Cameron | 1 | 6 | 101K | Jan 1998 – May 1999 |
| Allison G-10-252481 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 6 | 535K | Aug 2008 – Jul 2022 |
| West State G-10-252862 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 6 | 1.84M | Sep 2008 – Mar 2022 |
| Stovall, Guy F. Trust G-3-149218 | Hughes, Dan A. Company only | Chitland Creek (Frio 4550) | Wharton | 1 | 6 | 2.68K | Apr 1994 – May 1994 |
| Felix Simek Family Trust A73 G-2-227968 | Hunt Oil Company only | Kasper, S. (Knave) | De Witt | 1 | 6 | 82.9K | Oct 2006 – Jun 2008 |
| Taylor Family Trust G-13-240650 | Eagleridge Operating, LLC only | Newark, East (Barnett Shale) | Hill | 1 | 5 | 455K | Sep 2008 – May 2026 |
| West Ranch G-10-259371 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 5 | 512K | Mar 2010 – Apr 2024 |
| Henderson Trust EE G-9-157326 | Red Stag Operating, LLC only | Ozona, SW. (Strawn) | Crockett | 1 | 5 | 500K | Jan 1996 – Aug 2026 |
| Rust, Arnold Unit 3 G-6-103408 | Brookston Energy, Inc. only | Oak Hill (Cotton Valley) | Rusk | 1 | 5 | 510K | by Jan 1993 – Aug 2026 |
| Allison Ranch G-10-248869 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 5 | 1.6M | Jan 2009 – Apr 2024 |
| West Ranch G-10-258535 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 5 | 343K | Jun 2010 – Apr 2024 |
| West Ranch G-10-226572 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 5 | 505K | Oct 2006 – Apr 2024 |
| Longfellow G-10-237858 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 5 | 50K | Dec 2007 – May 2026 |
| West Ranch G-10-255755 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 5 | 678K | Jan 2009 – Apr 2024 |
| West Ranch G-10-216249 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 5 | 44.7K | Mar 2006 – Aug 2026 |
| Gonzalez, Elia G. Mineral Trust G-4-124061 | Trium, Ltd. only | Volpe, East (Frio) | Webb | 1 | 5 | 46.2K | Oct 2000 – Aug 2010 |
| West Ranch G-10-248453 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 5 | 323K | Jan 2009 – Apr 2024 |
| Haynes Mineral Trust G-4-175499 | Hilcorp Energy Company only | Haynes (Middle Wilcox Cons.) | Zapata | 1 | 5 | 213K | Dec 1999 – Oct 2009 |
| Hein Trust G-4-180275 | Hilcorp Energy Company only | La Perla (Lobo Cons.) | Webb | 1 | 5 | 1.11M | Nov 2000 – Aug 2026 |
| West Ranch South 4 G-10-229632 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 5 | 3.24M | May 2007 – Apr 2024 |
| Mayer, E. S. Trustee NCT-1 G-9-34968 | Upp Operating, LLC only | Sawyer (Canyon) | Schleicher | 1 | 5 | 93.5K | by Jan 1993 – Aug 2024 |
| West Ranch G-10-256560 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 4 | 284K | Dec 2009 – Apr 2024 |
| Allison G-10-243234 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 4 | 414K | Aug 2008 – Apr 2024 |
| Jones Trust 169 G-14-226511 | EOG Resources, Inc. only | Coburn (Atoka) | Lipscomb | 1 | 4 | 109K | Sep 2006 – Dec 2013 |
| Hill-Fawcett, Randee Trust "I" G-9-106538 | Upp Operating, LLC only | Sawyer (Canyon) | Sutton | 1 | 4 | 156K | by Jan 1993 – Jul 2026 |
| Henderson Trust "00" G-9-155454 | Red Stag Operating, LLC only | Ozona, SW. (Strawn) | Crockett | 1 | 4 | 1.31M | Aug 1995 – Aug 2026 |
| Allison 4 G-10-258016 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 4 | 63.7K | Jul 2010 – Apr 2024 |
| Le Tulle Est. "C" G-3-166609 | Dominion Expl. & Prod., Inc. only | Rusty (2800) | Matagorda | 1 | 4 | 47.7K | Sep 1997 – Aug 2002 |
| Fawcett, Randee Trust "B" G-9-152683 | Upp Operating, LLC only | Sawyer (Canyon) | Sutton | 1 | 4 | 243K | Sep 1994 – Jul 2026 |
| Randee Fawcett Trust G-9-58557 | Upp Operating, LLC only | Sawyer (Canyon) | Sutton | 1 | 4 | 150K | by Jan 1993 – Jul 2026 |
| Haynes Mineral Trust G-4-194012 | Hilcorp Energy Company only | Haynes (Middle Wilcox Cons.) | Zapata | 1 | 4 | 452K | Jan 2003 – Aug 2026 |
| Lopez Mineral Trust G-4-194554 | EOG Resources, Inc. only | Dinn, Deep (Wilcox 14,900) | Duval | 1 | 4 | 8.01M | Jan 2003 – Mar 2011 |
| Kasal Trust Unit G-13-229684 | BKV North Texas, LLC only | Newark, East (Barnett Shale) | Johnson | 1 | 4 | 3.08M | Apr 2007 – Aug 2026 |