| Slaughter-Rhodes Trust G-2-280732 | Repsol Oil & Gas USA, LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 152K | 1.62M | Mar 2016 – Aug 2026 |
| Newman Brown Trust Unit G-1-298217 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 151K | 263K | Jun 2023 – Aug 2026 |
| Reed Trust 55-1-26 G-10-276059 | Anadarko E&P Onshore LLC only | Sandbar (Bone Spring) | Loving | 1 | 150K | 2.38M | Jul 2014 – Apr 2018 |
| Eyhorn-Bego Trust (SA) G-2-276384 | Repsol Oil & Gas USA, LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 149K | 1.55M | Dec 2014 – Feb 2024 |
| Maltsberger-DB Trust Allo B G-1-297304 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 148K | 1.12M | Sep 2021 – Aug 2026 |
| Newman Brown Trust Unit G-1-297781 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 147K | 371K | Nov 2015 – Aug 2026 |
| Speary Family Trust Unit A G-2-277538 | Burlington Resources O & G Co LP only | Sugarkane (Eagle Ford) | Karnes | 1 | 147K | 593K | Mar 2015 – Aug 2026 |
| Hamilton Trust Unit D G-2-263687 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 145K | 1.01M | Apr 2011 – Jul 2026 |
| Eyhorn-Bego Trust (SA) G-2-276733 | Repsol Oil & Gas USA, LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 139K | 1.57M | Nov 2014 – Aug 2026 |
| Ricks Living Trust GU2 G-2-294971 | Repsol Oil & Gas USA, LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 138K | 1.67M | Sep 2022 – May 2026 |
| Peters Family Trust (Allocation) G-1-298260 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 136K | 572K | Oct 2012 – Aug 2026 |
| Hamilton Trust Unit D G-2-276923 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 135K | 1.06M | Nov 2014 – Aug 2026 |
| Munson, H. C. G-3-218704 | Rust Oil Corp. only | Baileys Prairie (12,100) | Brazoria | 1 | 135K | 2.23M | Apr 2005 – Dec 2007 |
| Halbert Trust Gas Unit G-6-266783 | Sheridan Production Co III, LLC only | Angie (James Lime) | San Augustine | 1 | 135K | 1.49M | Mar 2012 – Aug 2026 |
| Ricks Living Trust GU2 G-2-268702 | Repsol Oil & Gas USA, LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 134K | 1.71M | Aug 2012 – Aug 2026 |
| Kolo-Neller-Rhodes Trust (SA) B3 G-2-284344 | Repsol Oil & Gas USA, LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 132K | 1.95M | Feb 2018 – May 2026 |
| Regmund Family Trust Gas Unit 1 G-2-285836 | Repsol Oil & Gas USA, LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 129K | 4.1M | Apr 2015 – Aug 2026 |
| Brown-Trusts G-1-278627 | BPX Operating Company only | Hawkville (Eagleford Shale) | La Salle | 1 | 128K | 1.85M | Nov 2015 – Aug 2026 |
| Neller-Rhodes Trust (SA) G-2-273126 | Repsol Oil & Gas USA, LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 126K | 1.49M | Sep 2013 – Aug 2026 |
| McFaddin Trust G-3-233977 | Vestige Energy, LLC only | French Island (Marg 1) | Jefferson | 1 | 126K | 396K | Feb 2008 – Sep 2018 |
| Slaughter-Rhodes Trust G-2-283784 | Repsol Oil & Gas USA, LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 124K | 1.2M | Jul 2017 – Aug 2026 |
| Jones Trust 25 HMH G-14-271055 | Unbridled Resources, LLC only | Lipscomb, S.E. (Cleveland) | Hemphill | 1 | 124K | 1.68M | Nov 2013 – Aug 2026 |
| Coates Energy Trust G-4-140075 | Crimson Exploration Oper., Inc. only | San Ramon (8550) | Hidalgo | 1 | 124K | 8.95M | by Jan 1993 – Apr 2014 |
| J O Price Trust 100 Lip G-14-264790 | Unbridled Resources, LLC only | Lipscomb (Cleveland) | Lipscomb | 1 | 123K | 346K | Dec 2011 – Aug 2026 |
| Jeremy B. Peters Family Trust G-1-297822 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 122K | 498K | Sep 2012 – Aug 2026 |
| Reed Trust 55-1-26 G-10-276544 | Anadarko E&P Onshore LLC only | Sandbar (Bone Spring) | Loving | 1 | 121K | 2.09M | Nov 2014 – Apr 2018 |
| Rein Trust G-3-247874 | Ballard Exploration Company,inc. only | Goose Creek (Yegua 3) | Harris | 1 | 120K | 9.58M | Feb 2008 – Aug 2026 |
| Price Trust 'C' 604 G-14-282889 | BE Anadarko II, LLC only | Lipscomb (Cleveland) | Lipscomb | 1 | 116K | 1.02M | Mar 2017 – Aug 2026 |
| Kolo-Neller-Rhodes Trust G-2-280935 | Repsol Oil & Gas USA, LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 116K | 1.18M | Jun 2016 – Mar 2025 |
| Cummins Trust 195 G-14-286728 | Unbridled Resources, LLC only | Lipscomb (Cleveland) | Lipscomb | 1 | 115K | 741K | Jun 2018 – Aug 2026 |
| Reed Trust 55-1-26 G-10-276049 | Anadarko E&P Onshore LLC only | Sandbar (Bone Spring) | Loving | 1 | 115K | 2.22M | Jul 2014 – Mar 2018 |
| Newman Brown Trust Unit G-1-298242 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 113K | 288K | Jun 2023 – Aug 2026 |
| R P Jones Trust 189 G-14-277152 | BE Anadarko II, LLC only | Lipscomb, S.E. (Cleveland) | Lipscomb | 1 | 113K | 862K | Apr 2013 – Aug 2026 |
| Brown-Trusts G-1-278605 | BPX Operating Company only | Hawkville (Eagleford Shale) | La Salle | 1 | 113K | 2.68M | Dec 2015 – Aug 2026 |
| Boston Texas Land & Trust G-4-214125 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 112K | 4.14M | Nov 2005 – Aug 2026 |
| Brown-Trusts G-1-271183 | BPX Operating Company only | Hawkville (Eagleford Shale) | La Salle | 1 | 112K | 2.06M | Jul 2013 – Aug 2026 |
| Schulz Trust 01 G-2-269686 | Marathon Oil EF LLC only | Sugarkane (Eagle Ford) | Live Oak | 1 | 110K | 1.15M | Mar 2013 – Aug 2026 |
| Kolo-Neller-Rhodes Trust G-2-280936 | Repsol Oil & Gas USA, LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 110K | 1.25M | Jun 2016 – Aug 2026 |
| Boston Texas Land & Trust G-4-205913 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 110K | 2.82M | Sep 2004 – Aug 2026 |
| Brown-Trusts G-1-257681 | BPX Operating Company only | Hawkville (Eagleford Shale) | La Salle | 1 | 108K | 2.28M | May 2010 – Aug 2026 |
| Schreiner Ranch Trust II G-2-142817 | Forney Oil Corporation only | Limes (Wilcox F-1) | Live Oak | 1 | 108K | 3.37M | by Jan 1993 – Oct 1995 |
| University 36-3 G-9-169854 | White Rock Oil & Gas, LLC only | Pakenham (Thrusted) | Terrell | 1 | 106K | 7.77M | May 1998 – Aug 2026 |
| Colter Trust G-9-180829 | BCP Resources, LLC only | Bloxom (Devonian) | Upton | 1 | 106K | 2.13M | Dec 2000 – Jun 2026 |
| Mitchell-State 10 G-9-152116 | BRP Energy, LLC only | Pakenham (Thrusted) | Terrell | 1 | 105K | 5.26M | Nov 1994 – Jul 2024 |
| Newman Brown Trust Unit G-1-298216 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 105K | 266K | Jun 2023 – Aug 2026 |
| Brown-Trusts G-1-255434 | BPX Operating Company only | Hawkville (Eagleford Shale) | La Salle | 1 | 105K | 3.53M | Mar 2009 – Aug 2026 |
| Jones Trust G-14-276533 | Mewbourne Oil Company only | Lipscomb (Cleveland) | Lipscomb | 1 | 104K | 577K | Oct 2014 – Aug 2026 |
| Boston Texas Land & Trust G-4-61012 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 104K | 5.03M | by Jan 1993 – Aug 2026 |
| Hamilton Trust Unit D G-2-270249 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 103K | 630K | Jul 2013 – Jul 2026 |
| Maltsberger-DB Trust G-1-297307 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 100K | 511K | Apr 2021 – Aug 2026 |