| Sauder Land Trust G-13-161104 | BKV Barnett, LLC only | Boonsville (Bend Congl., Gas) | Wise | 1 | 2.1K | 634K | Nov 1996 – Aug 2026 |
| Barton Trust 379 G-14-204564 | Complete Oil & Gas Services, LLC only | Lipscomb (Cleveland) | Lipscomb | 1 | 2.1K | 1.39M | Aug 2004 – Sep 2022 |
| Mosser Trust O-4-13667 | Harper Hefte, Inc. only | Ben Bolt, W.(4900) | Jim Wells | 1 | 2.09K | 0 | Apr 2011 – Jun 2013 |
| Barker, Paulette Trust O-4-11431 | Green Exploration Company only | Vaello, SW. (Tedlie) | Duval | 1 | 2.07K | 3 | May 1993 – Jan 2011 |
| Cousins Living Trust G-1-153078 | Padon, Frank B. Oil Oper., Inc. only | Cousins (Slick-Wilcox) | McMullen | 1 | 2.07K | 118K | Feb 1995 – Aug 1995 |
| Allison 4 G-10-274620 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 2.07K | 18.1M | Sep 2010 – Apr 2024 |
| Loving, Oliver O-13-16927 | Brightman Family Trust only | Jack County Regular | Jack | 1 | 2.06K | 20 | by Jan 1993 – Apr 2001 |
| Hudgins Trust G-13-288512 | Atoka Operating, Inc. only | Southmayd, North (Baker-Viola) | Grayson | 1 | 2.06K | 13.5K | Feb 2019 – Aug 2021 |
| Mobil-University "19" O-10-33621 | Rust Oil Corp. only | Fullerton (San Andres) | Andrews | 1 | 2.05K | 12 | by Jan 1993 – Mar 1994 |
| Coates Energy Trust Gas Unit #1 G-4-178136 | Hughes, Dan A. Company, L.P. only | Jeffress (Vicksburg T) | Hidalgo | 1 | 2.04K | 549K | Jul 2000 – Dec 2005 |
| Alamo National Bank Trustee G-1-66892 | Virtex Operating Company, Inc. only | Green Branch (Wilcox 2-D) | McMullen | 1 | 2.04K | 675K | by Jan 1993 – Apr 2016 |
| Henderson Trust "BB" G-9-144816 | Red Stag Operating, LLC only | Ozona, NE. (Canyon Sand) | Crockett | 1 | 2.04K | 882K | Feb 1993 – Aug 2026 |
| Snyder Mineral Trust G-8-79197 | Stovall, Howard only | Baird, NE. (Congl.) | Callahan | 1 | 2.04K | 55.9K | by Jan 1993 – May 2002 |
| Kincaid, A. R. Trust "B" G-9-19113 | Scout Energy Management LLC only | Ozona, NE. (Canyon Sand) | Crockett | 1 | 2.04K | 250K | by Jan 1993 – Aug 2026 |
| Kincaid, A. R. Trust "D" O-9-12940 | Texaco E & P Inc. only | Davidson Ranch (Canyon 6200) | Crockett | 1 | 2.03K | 27K | by Jan 1993 – Oct 1995 |
| Watson Trust GU G-5-156137 | Formation Resour Field Svcs, LLC only | Marsters, N.E. | Freestone | 1 | 2.03K | 638K | Sep 1995 – Jun 2005 |
| Hoffman Trust O-6-13137 | TGNR East Texas LLC only | Carthage (Travis Peak-Smith) | Panola | 1 | 2.02K | 9.61K | by Jan 1993 – Sep 1996 |
| Smith, A. C. Trust G-14-129791 | Presidio Petroleum LLC only | Britt Ranch W. (Granite Wash a ) | Wheeler | 1 | 2.01K | 88.7K | by Jan 1993 – Mar 2010 |
| Longfellow G-10-169097 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 2K | 726K | Apr 1998 – Nov 2025 |
| Downie Ranch G-10-237163 | Longfellow Energy, LP only | Thistle (Overthrust) | Pecos | 1 | 2K | 100K | Oct 2007 – Dec 2016 |
| Alliance Trust O-11-5808 | Abraxas Production Corporation only | Sharon Ridge (2400) | Scurry | 3 | 2K | 3 | by Jan 1993 – Mar 1993 |
| Black Trust 49 G-14-218836 | Unbridled Resources, LLC only | Frye Ranch (Consolidated) | Wheeler | 1 | 1.98K | 11.7K | Jul 2006 – Jan 2015 |
| Begert Trust 31 G-14-253460 | Bce-Mach II LLC only | Begert (10,200) | Hemphill | 1 | 1.98K | 296K | Apr 2009 – Aug 2026 |
| Boring, G W Trustee GU 5 (AW) O-13-34420 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Wise | 1 | 1.97K | 534K | Jul 2025 – Aug 2026 |
| Finch Family Trust GU O-3-27408 | Hilcorp Energy Company only | Angelina (10,800) | Chambers | 1 | 1.97K | 1.9K | Jan 2018 – Jun 2020 |
| Bruni Mineral Trust "B" G-4-195183 | Hilcorp Energy Company only | Liz (9200) | Webb | 1 | 1.97K | 640K | Jun 2003 – Aug 2026 |
| Walker-Buckler Trust O-8-22637 | Campbell, T. K. only | McCoy, SW. (Miss.) | Throckmorton | 2 | 1.96K | 45 | by Jan 1993 – Dec 1998 |
| Emerald Unit O-8-23449 | Goopco, Inc. only | Rust Creek (Miss) | Throckmorton | 1 | 1.96K | 21 | by Jan 1993 – Feb 2001 |
| Read Trust 'A' G-14-236969 | Presidio Petroleum LLC only | Hemphill (Douglas) | Hemphill | 1 | 1.96K | 426K | Feb 2008 – Feb 2020 |
| Downie Ranch G-10-150779 | Longfellow Energy, LP only | Thistle (Overthrust) | Pecos | 1 | 1.95K | 133K | May 1994 – Sep 2010 |
| Winans Living Trust O-1-10800 | Calfas Cattle & Oil, LLC only | Somerset | Atascosa | 7 | 1.94K | 46 | by Jan 1993 – Aug 2026 |
| Frost Trust G-4-154749 | Proline Energy Resources Inc only | Shockacon (Wilcox 6700) | Webb | 1 | 1.94K | 495K | May 1995 – Aug 2026 |
| West Ranch G-10-198345 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 1.93K | 2.22M | Oct 2003 – Apr 2024 |
| West Ranch G-10-172165 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 1.92K | 5.93M | Mar 1999 – Aug 2026 |
| Rust Estate 2 G-6-179366 | Brookston Energy, Inc. only | Oak Hill (Cotton Valley) | Rusk | 1 | 1.91K | 1.65M | Sep 2000 – Aug 2026 |
| Moss, Paul Estate O-10-34940 | Rust Oil Corp. only | Harper | Ector | 2 | 1.91K | 304 | Aug 1996 – Aug 2013 |
| West Ranch G-10-235810 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 1.9K | 2.08M | Oct 2007 – Jul 2026 |
| Maxwell Trust "A" O-8-28577 | Upham Oil & Gas Company only | Strawn, NW. (Marble Falls) | Palo Pinto | 1 | 1.9K | 53.8K | Jan 1999 – Sep 2008 |
| Boatmen Trust Co. GU #1 G-5-160265 | Anadarko Petroleum Corporation only | Teague (Travis Peak) | Freestone | 1 | 1.9K | 798K | Sep 1996 – Feb 2011 |
| E.A. Weinheimer-Grady Trust Unit G-3-141517 | Conoco Inc. only | Alwan (Y-650) | Wharton | 1 | 1.89K | 48.9K | by Jan 1993 – Oct 1993 |
| West Ranch G-10-163537 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 1.89K | 5.56M | Mar 1997 – Mar 2024 |
| Los Ojuelos Mineral Trust G-4-220754 | Evans, S. Lavon Jr. Oper. Co. only | Pancho (Wilcox) | Webb | 1 | 1.89K | 129K | Jul 2006 – Feb 2014 |
| Carter, Mattie K. Trust G-5-82510 | Fortson Oil Company only | Butler (Woodbine) | Freestone | 1 | 1.89K | 975K | by Jan 1993 – Apr 2007 |
| McCarthy Family Trust 97 G-3-209491 | Tempest Energy Resources, LP only | Seabreeze (F-1) | Chambers | 1 | 1.87K | 256K | Apr 2005 – Nov 2006 |
| Clay Family Trust 34 G-14-180250 | Unbridled Resources, LLC only | Clay (Upper Morrow) | Wheeler | 1 | 1.87K | 2M | Aug 2000 – Nov 2014 |
| West Ranch G-10-203339 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 1.87K | 510K | May 2004 – Mar 2024 |
| Guaranty Title & Trust G-4-169367 | Royal Production Company, Inc. only | Saxet, Deep (7400 FB B) | Nueces | 1 | 1.86K | 133K | Jul 1998 – Feb 1999 |
| Sauder Land Trust G-13-158795 | BKV Barnett, LLC only | Boonsville (Bend Congl., Gas) | Wise | 1 | 1.86K | 742K | Jun 1996 – Aug 2026 |
| West Ranch G-10-237785 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 1.86K | 1.06M | Sep 2007 – Feb 2026 |
| Bass Trust G-14-240935 | Unbridled Resources, LLC only | Frye Ranch (Consolidated) | Wheeler | 1 | 1.83K | 258K | Apr 2008 – May 2016 |