| Carter, Mattie K. Trust G-5-159010 | Fortson Oil Company only | Butler (Woodbine) | Freestone | 1 | 203 | 214K | Apr 1996 – Mar 2000 |
| West Ranch G-10-228214 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 203 | 1.4M | Jan 2007 – Apr 2024 |
| Buckler Trust "233" Unit O-8-26848 | Ashtola Exploration Company,inc. only | Florence (Caddo) | Throckmorton | 1 | 203 | 3.6K | Apr 1993 – Aug 1993 |
| West Ranch G-10-161646 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 202 | 815K | Oct 1996 – Jun 2017 |
| West Ranch G-10-250342 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 202 | 568K | Nov 2008 – Apr 2024 |
| Longfellow G-10-171731 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 202 | 2.63M | Dec 1998 – Aug 2026 |
| Corbett Trust O-3-21992 | Shepperd, William M. only | Bonney, N. (Frio Upper) | Brazoria | 2 | 200 | 67 | by Jan 1993 – Aug 2001 |
| Lopez -B- O-4-2036 | Gonzalez, Elia G. Mineral Trust only | Orlee | Duval | 1 | 200 | 15 | Feb 1993 – Jun 1993 |
| West Ranch G-10-230469 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 199 | 1.72M | Jun 2007 – Feb 2026 |
| West Ranch South G-10-220708 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 199 | 6.09K | Jan 2006 – Jun 2021 |
| Fawcett, Randee Trust "C" G-9-213390 | Upp Operating, LLC only | Sawyer (Canyon) | Sutton | 1 | 199 | 326K | Jun 2005 – May 2026 |
| West Ranch G-10-242172 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 197 | 191K | Dec 2007 – Aug 2026 |
| Alexander Omega Trust Lease O-13-33895 | Legacy Exploration, LLC I only | Dillard, W. (Caddo) | Clay | 1 | 197 | 630 | Jul 2019 – Sep 2019 |
| Henderson Trust "EE" G-9-143065 | Red Stag Operating, LLC only | Ozona, SW. (Strawn) | Crockett | 1 | 197 | 287K | by Jan 1993 – Aug 1995 |
| Trust McCoy "B" G-8-179358 | Van Operating, Ltd. only | Florence (Caddo) | Throckmorton | 1 | 197 | 27.7K | Aug 2000 – Feb 2003 |
| Mattox, G. S. O-7-6561 | Aaa Oil Trust only | East Texas | Gregg | 3 | 197 | 17 | May 1993 – Nov 1998 |
| Kubela Mineral Trust G-3-143122 | Howell Petroleum Corporation only | Hutchins-Kubela (5520) | Wharton | 1 | 197 | 25.2K | by Jan 1993 – Feb 1994 |
| Fossil Wildman Trust G-5-233585 | Contrast Energy, LLC only | Hilltop Resort (Bossier) | Leon | 1 | 197 | 11.2M | Jan 2008 – Jun 2026 |
| Parker Trust Gas Unit G-5-241139 | Decker Operating Co., L.L.C. only | Thomas Lake (Cotton Valley) | Henderson | 1 | 196 | 51.8K | May 2008 – Mar 2011 |
| West State G-10-217327 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 196 | 2.92M | May 2006 – Mar 2024 |
| Marrs McLean Trust -A- G-4-191795 | Columbus Energy, LLC only | Thompsonville, NE. (10640) | Jim Hogg | 1 | 196 | 5.4M | Nov 2002 – Aug 2026 |
| Cole Trust "C" G-13-178503 | BKV Barnett II, LLC only | Newark, East (Barnett Shale) | Denton | 1 | 196 | 559K | Aug 2000 – Jul 2020 |
| Schmid Trust G-2-175297 | McCombs Energy LLC only | Maxine, East (Massive) | Live Oak | 1 | 195 | 17.2K | Sep 1999 – Dec 1999 |
| McCranie G-6-134440 | Roach, R. Byron Trustee only | Ware (Cotton Valley) | Harrison | 1 | 194 | 65.3K | by Jan 1993 – Sep 1996 |
| VT James Trust 1355 G-4-53509 | Lewis Petro Properties, Inc. only | Owen (Olmos) | Webb | 1 | 193 | 275K | by Jan 1993 – Nov 2025 |
| Garcia, M. M., Land Trust G-4-70314 | Carl Oil & Gas Co. only | Garcia (Rincon, Second) | Starr | 1 | 191 | 1.46K | by Jan 1993 – Sep 1993 |
| Boston Texas Land Trust #9 G-4-156593 | Legacy Corporation, The only | Amore (Vicksburg 5950) | Hidalgo | 1 | 191 | 94.4K | Nov 1995 – Jun 1996 |
| West Ranch G-10-197592 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 191 | 1.48M | Aug 2003 – Aug 2026 |
| Cole Trust Two G-13-244096 | BKV Barnett II, LLC only | Newark, East (Barnett Shale) | Denton | 1 | 190 | 1.63M | Jul 2008 – Aug 2026 |
| Eubanks Trust G-5-184649 | Corsa Resources, LLC only | Teague (CV-Bossier Cons.) | Freestone | 1 | 190 | 2.59M | May 2001 – Aug 2026 |
| West Ranch G-10-224107 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 189 | 4.11M | Nov 2006 – Mar 2024 |
| VT James Trust 1355 G-4-211549 | Lewis Petro Properties, Inc. only | Tom Walsh (Olmos) | Webb | 1 | 188 | 191K | Jul 2005 – Aug 2026 |
| Arnold Rust Unit 3 G-6-180566 | Brookston Energy, Inc. only | Oak Hill (Cotton Valley) | Rusk | 1 | 187 | 937K | Dec 2000 – Mar 2017 |
| Longfellow G-10-249754 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 187 | 1.66M | Mar 2008 – Jul 2026 |
| Longfellow State "600" G-10-210480 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 187 | 427K | May 2005 – Feb 2014 |
| Treadwell Trust -19-B G-9-287404 | BRP Energy, LLC only | Fort McKavitt, N. (Canyon) | Schleicher | 1 | 187 | 3.12K | Jul 2018 – Oct 2024 |
| Fossil Wildman Trust G-5-251745 | Contrast Energy, LLC only | Hilltop Resort (Bossier) | Leon | 1 | 185 | 8.67M | May 2009 – Aug 2026 |
| West Ranch G-10-237770 | Sandridge Expl. and Prod., LLC only | Pinon (Overthrust) | Pecos | 1 | 184 | 203 | Oct 2007 – Jul 2008 |
| Allison G-10-218608 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 183 | 79.7K | Apr 2006 – Jun 2025 |
| Longfellow G-10-236117 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 183 | 4.55M | Aug 2007 – Aug 2025 |
| West Ranch G-10-161181 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 183 | 634K | Aug 1996 – Aug 2026 |
| Longfellow 600 MD G-10-197927 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 183 | 235K | Sep 2003 – Apr 2025 |
| Martin-Trust -Ccsl- G-14-126878 | United Oil & Shale LLC only | Clark Martin (Granite Wash) | Roberts | 1 | 182 | 3.57K | by Jan 1993 – Apr 1994 |
| Allison G-10-245331 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 182 | 693K | May 2008 – Sep 2025 |
| West Ranch G-10-248901 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 181 | 75.3K | Sep 2008 – Jul 2022 |
| Wimberly Family Trust G-13-301140 | Oakridge Oil and Gas, LP only | KRS (Marble Falls) | Jack | 1 | 181 | 8.55K | Aug 2025 – Aug 2026 |
| West State G-10-245687 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 181 | 1.56M | Apr 2007 – Apr 2024 |
| West Ranch G-10-246386 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 180 | 235K | Apr 2008 – Aug 2026 |
| Tompkins Trust Oil Unit No. 1 O-6-15914 | Dove Creek Energy, Inc. only | Beckville (Travis Peak) | Panola | 1 | 180 | 2 | Jul 2026 – Aug 2026 |
| Bruni Mineral Trust 15 G-4-210538 | Killam Oil Co., Ltd. only | Zwebb (10350) | Zapata | 1 | 180 | 418K | Feb 2005 – Jan 2016 |