| Hicks Family Trust G-13-226342 | Upp Operating, LLC only | Newark, East (Barnett Shale) | Johnson | 1 | 69 | 2.1M | Sep 2006 – Jun 2026 |
| Mitchell 7 G-9-211080 | Vintage Petroleum, LLC only | Pakenham (Thrusted) | Terrell | 1 | 69 | 65.8K | Nov 2004 – Mar 2006 |
| Allison G-10-259466 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 68 | 2.27M | Aug 2010 – Apr 2024 |
| West Ranch G-10-239364 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 68 | 435K | Mar 2008 – Aug 2026 |
| Longfellow G-10-235858 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 68 | 454K | Nov 2007 – Aug 2026 |
| West Ranch G-10-259372 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 68 | 1.4M | Mar 2010 – Apr 2024 |
| Cole, M. T. Trust Two "A" G-13-154134 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Denton | 1 | 68 | 820K | May 1995 – Aug 2026 |
| West Ranch G-10-257997 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 67 | 515K | Apr 2010 – Jun 2024 |
| Barlow Trust G-14-228652 | Bracken Operating, L.L.C. only | Hermann (Morrow, Up.) | Ochiltree | 1 | 67 | 31.5K | May 2007 – Jul 2023 |
| Randee Fawcett Trust G-9-67548 | Upp Operating, LLC only | Sawyer (Canyon) | Sutton | 1 | 67 | 144K | by Jan 1993 – Jul 2026 |
| Allison G-10-259453 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 67 | 2.44M | Mar 2010 – Apr 2024 |
| West Ranch G-10-259460 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 66 | 2.04M | Aug 2010 – Mar 2024 |
| Longfellow 600W G-10-275252 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 66 | 1.3M | Dec 2010 – Jun 2024 |
| Allison G-10-234155 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 66 | 281K | Aug 2007 – Feb 2025 |
| Cole Trust "B" G-13-182212 | Bedrock Production, LLC only | Newark, East (Barnett Shale) | Denton | 1 | 66 | 669K | Apr 2001 – Jul 2020 |
| Flowers Trust -B- G-14-191527 | BP America Production Company only | Mendota, NW. (Granite Wash) | Roberts | 1 | 66 | 2.43K | Nov 2002 – Dec 2002 |
| Hoover, Maude G-6-125361 | Long Trusts, The only | Douglass, NW. (Travis Peak) | Nacogdoches | 1 | 66 | 63.5K | Apr 1996 – Mar 2018 |
| Allison G-10-215317 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 65 | 620K | Jan 2006 – Jul 2026 |
| West State G-10-259487 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 65 | 1.86M | Apr 2010 – Sep 2025 |
| West Ranch G-10-209428 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 65 | 1.03M | Jun 2005 – Jul 2026 |
| West Ranch G-10-249676 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 65 | 744K | Feb 2008 – Jul 2026 |
| Weinheimer-Grady, E. A. Trust G-3-220023 | Crimson Exploration Oper., Inc. only | Alwan, West (Frio 4630) | Wharton | 1 | 65 | 202K | Aug 2006 – Mar 2010 |
| Longfellow G-10-251117 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 65 | 854K | Mar 2008 – Jan 2026 |
| Cole Trust "D" G-13-182913 | BKV Barnett II, LLC only | Newark, East (Barnett Shale) | Denton | 1 | 65 | 506K | May 2001 – Jul 2023 |
| West Ranch G-10-230471 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 64 | 632K | Aug 2007 – Aug 2026 |
| Rietz Trust Unit G-3-211614 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Grimes | 1 | 64 | 2.36M | Jun 2005 – Feb 2026 |
| West Ranch G-10-236153 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 64 | 631K | Oct 2007 – Feb 2025 |
| West Ranch G-10-234811 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 63 | 552K | Sep 2007 – Jul 2026 |
| Weltmer Trust 32-55 G-10-260734 | Waterbridge Texas Operating LLC only | Toyah, NW (Shale) | Reeves | 1 | 63 | 477K | Oct 2009 – May 2014 |
| Anderson Trust "A" G-5-189257 | Diversified Production LLC only | Nan-SU-Gail (CV Consolidated) | Freestone | 1 | 63 | 1.41M | May 2002 – Aug 2026 |
| Frapart-Carruth Trust G-3-138188 | Cobra Oil & Gas Corporation only | Garwood, West (9800) | Colorado | 1 | 63 | 8.15K | by Jan 1993 – Jun 1993 |
| Benavides Mineral Trust G-4-147257 | Enron Oil & Gas Company only | Lopeno, NE. (Wilcox 7500) | Zapata | 1 | 62 | 51.4K | Oct 1993 – Jun 1994 |
| Fawcett, Randee Trust "C" G-9-215331 | Upp Operating, LLC only | Sawyer (Canyon) | Sutton | 1 | 62 | 473K | Oct 2005 – Jul 2026 |
| West Ranch G-10-214450 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 62 | 786K | Dec 2005 – Jul 2026 |
| Allison G-10-176379 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 61 | 413K | Oct 1999 – Aug 2026 |
| Longfellow G-10-230709 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 61 | 1.38M | Sep 2007 – Apr 2024 |
| Cole Trusts 576 G-13-194952 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Denton | 1 | 61 | 2.18M | Jan 2003 – Jan 2026 |
| Marrs McLean Trust C G-4-245778 | Columbus Energy, LLC only | Thompsonville, NE. (11,300) | Jim Hogg | 1 | 61 | 202K | Nov 2008 – Aug 2026 |
| Longfellow G-10-249340 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 61 | 274K | Feb 2009 – Aug 2026 |
| Allison 2 G-10-199618 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 61 | 178K | Nov 2003 – Aug 2026 |
| Allison G-10-259688 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 61 | 2.32M | Oct 2009 – Mar 2024 |
| West Ranch G-10-239369 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 61 | 1.06M | Apr 2008 – Sep 2023 |
| Texas Pacific Land Trust "23" G-10-190700 | Conocophillips Company only | Ford (Wolfcamp) | Culberson | 1 | 60 | 4.3K | Apr 2002 – Aug 2004 |
| Frost National Bank & Trust G-4-100828 | Shidler, Mark L., Inc. only | Rancho Solo (Bruni) | Duval | 1 | 60 | 961K | by Jan 1993 – Dec 2020 |
| Allison G-10-236244 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 60 | 2.12M | Sep 2007 – Apr 2024 |
| West Ranch G-10-195376 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 60 | 101K | Apr 2003 – Jul 2026 |
| Broussard Trust G-3-233260 | Milestone Operating, Inc. only | Lovells Lake (7250) | Jefferson | 1 | 59 | 10.7K | Nov 2007 – Aug 2008 |
| Allison G-10-248772 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 59 | 1.24M | Oct 2008 – Apr 2024 |
| Allison G-10-246591 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 59 | 319K | Dec 2007 – Mar 2026 |
| Allison G-10-230473 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 59 | 396K | Sep 2007 – Aug 2026 |