| McClung, Anna 1 G-9-152491 | White Rock Oil & Gas, LLC only | Pakenham (Thrusted) | Terrell | 1 | 100K | 6.82M | Nov 1994 – Aug 2026 |
| Baker Family Trust G-2-245465 | Burlington Resources O & G Co LP only | Sugarkane (Austin Chalk) | Live Oak | 1 | 98.6K | 1.07M | Apr 2008 – Dec 2019 |
| Blackwell Trust Gas Unit G-2-217905 | Mosley Oil &gas Inc only | Friar Ranch, S. (Consolidated) | De Witt | 1 | 98.6K | 2.58M | Nov 2005 – Mar 2019 |
| Kolo-Neller-Rhodes Trust G-2-280934 | Repsol Oil & Gas USA, LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 93.4K | 950K | Jun 2016 – Sep 2024 |
| Boston Texas Land & Trust G-4-209709 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 92.9K | 4.56M | Jun 2005 – Aug 2026 |
| Brown-Trusts Unit 6 G-1-276456 | BPX Operating Company only | Hawkville (Eagleford Shale) | La Salle | 1 | 92.7K | 4.11M | Sep 2014 – Aug 2026 |
| Brown-Trusts G-1-271169 | BPX Operating Company only | Hawkville (Eagleford Shale) | La Salle | 1 | 90.2K | 1.95M | Aug 2013 – Aug 2026 |
| Wheat Mineral Trust G-6-212598 | Anadarko E&P Onshore LLC only | Brookeland (Austin Chalk, 8800) | Tyler | 1 | 87.9K | 359K | Apr 2005 – Jul 2015 |
| Boston Texas Land & Trust G-4-270159 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 86K | 5.31M | Apr 2013 – Aug 2026 |
| Boston Texas Land & Trust G-4-164323 | Merit Energy Company only | Jeffress, NE. (T, Lo.-Fb,a) | Hidalgo | 1 | 85.3K | 3.63M | Jul 1997 – May 2019 |
| Jones Trust 272 G-14-276935 | BE Anadarko II, LLC only | Lipscomb (Cleveland) | Lipscomb | 1 | 83.5K | 484K | Jun 2013 – Aug 2026 |
| Switzer Trust G-3-201218 | Noble Energy Inc only | Bartman (11050 Sand) | Brazoria | 1 | 82.2K | 3.08M | Mar 2004 – Jul 2005 |
| Benton Trust G-3-169073 | Gaither Petroleum Corporation only | Rosenberg, North (Upper Wilcox) | Fort Bend | 1 | 80.6K | 5.48M | Feb 1998 – Oct 2014 |
| Baker Family Trust G-2-288683 | Burlington Resources O & G Co LP only | Sugarkane (Eagle Ford) | Live Oak | 1 | 80.1K | 1.62M | Mar 2020 – Aug 2026 |
| Price Trust 'C' 604 G-14-282901 | BE Anadarko II, LLC only | Lipscomb (Cleveland) | Lipscomb | 1 | 79.8K | 583K | Mar 2017 – Aug 2026 |
| Garza Zamora Energy Trust G-4-223276 | Merit Energy Company only | Flores (Vicksburg, Lower) | Hidalgo | 1 | 78.7K | 7.1M | Sep 2006 – Aug 2026 |
| Boston Texas Land & Trust G-4-195359 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 78.6K | 1.76M | Jun 2003 – Aug 2026 |
| Jones Trust 25 HMH G-14-280606 | Presidio Petroleum LLC only | Lipscomb, S.E. (Cleveland) | Hemphill | 1 | 78.3K | 1.05M | Mar 2016 – Aug 2026 |
| Slaughter-Rhodes Trust G-2-280734 | Repsol Oil & Gas USA, LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 78.2K | 731K | Mar 2016 – Jul 2026 |
| Brown-Trusts G-1-261086 | BPX Operating Company only | Hawkville (Eagleford Shale) | La Salle | 1 | 77K | 2.38M | Aug 2011 – Aug 2026 |
| Flowers Trust "A" G-14-272832 | Mewbourne Oil Company only | Mendota, NW. (Granite Wash) | Roberts | 1 | 76.7K | 1.29M | Jul 2013 – Aug 2026 |
| Reed Trust 55-1-26 G-10-277207 | Anadarko E&P Onshore LLC only | Sandbar (Bone Spring) | Loving | 1 | 76.6K | 2M | Jan 2015 – Apr 2020 |
| Regmund Family Trust Gas Unit 1 G-2-285786 | Repsol Oil & Gas USA, LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 75.8K | 2.42M | Oct 2018 – Aug 2026 |
| Boston Texas Land & Trust G-4-218758 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 75.5K | 1.28M | Apr 2006 – Aug 2026 |
| Brown-Trusts Unit 5 G-1-276454 | BPX Operating Company only | Hawkville (Eagleford Shale) | La Salle | 1 | 74.2K | 3.69M | Sep 2014 – Aug 2026 |
| Vera Trust G-4-222410 | Eliteenergyholdings LLC only | Santa Cruz, N. (Yegua 8800) | Duval | 1 | 73.6K | 2.35M | Oct 2006 – Jan 2025 |
| Brown-Trusts G-1-271387 | BPX Operating Company only | Hawkville (Eagleford Shale) | La Salle | 1 | 73.6K | 3.04M | Aug 2013 – Aug 2026 |
| Brown-Trusts G-1-271424 | BPX Operating Company only | Hawkville (Eagleford Shale) | La Salle | 1 | 72.7K | 2.76M | Aug 2013 – Aug 2026 |
| Boston Texas Land & Trust G-4-89661 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 72.4K | 2.74M | Dec 2001 – Aug 2026 |
| Hager Trust 616 G-14-278625 | BE Anadarko II, LLC only | Lipscomb (Cleveland) | Lipscomb | 1 | 71.4K | 690K | Jan 2015 – Aug 2026 |
| Ricks Living Trust GU2 G-2-294258 | Repsol Oil & Gas USA, LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 71.1K | 869K | Sep 2022 – May 2026 |
| Ricks Living Trust GU2 G-2-294468 | Repsol Oil & Gas USA, LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 70.3K | 872K | Sep 2022 – May 2026 |
| RP Jones Trust 189 G-14-275747 | BE Anadarko II, LLC only | Lipscomb, S.E. (Cleveland) | Lipscomb | 1 | 70.2K | 571K | Apr 2013 – Aug 2026 |
| Brown-Trusts 3H-BD SA 1 G-1-300670 | BPX Operating Company only | Eagleville (Eagle Ford-1) | La Salle | 1 | 69.9K | 4.75M | Sep 2025 – Aug 2026 |
| Brown-Trusts 3H-BD SA 2 G-1-300313 | BPX Operating Company only | Eagleville (Eagle Ford-1) | La Salle | 1 | 69.4K | 5.15M | Oct 2025 – Aug 2026 |
| Baker Family Trust G-2-288679 | Burlington Resources O & G Co LP only | Sugarkane (Eagle Ford) | Live Oak | 1 | 68.9K | 1.56M | Mar 2020 – Aug 2026 |
| Watson, F M, Trust et al "B" G-3-94134 | Atlas Operating LLC only | Rugeley, N. (13100) | Matagorda | 1 | 68K | 1.13M | by Jan 1993 – Feb 2026 |
| Rust Unit G-3-293906 | Wildfire Energy Operating LLC only | Giddings (Austin Chalk, Gas) | Brazos | 1 | 67.9K | 646K | Mar 2022 – Jul 2026 |
| Slaughter-Rhodes Trust (SA) C5 G-2-284246 | Repsol Oil & Gas USA, LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 67.7K | 747K | Jul 2017 – Jul 2024 |
| Ricks Living Trust GU2 G-2-294563 | Repsol Oil & Gas USA, LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 67.1K | 926K | Sep 2022 – May 2026 |
| Regmund Family Trust Gas Unit 1 G-2-262069 | Repsol Oil & Gas USA, LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 66.5K | 2.08M | Jun 2011 – Aug 2026 |
| Broussard Trust G-3-209755 | Milestone Operating, Inc. only | Lovells Lake(frio HACKBERRY9000) | Jefferson | 1 | 65.3K | 2.33M | May 2005 – Nov 2009 |
| RP Jones Trust 189 G-14-278033 | BE Anadarko II, LLC only | Lipscomb, S.E. (Cleveland) | Lipscomb | 1 | 65.3K | 462K | Apr 2013 – Aug 2026 |
| Slaughter-Rhodes Trust G-2-280733 | Repsol Oil & Gas USA, LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 63.1K | 699K | Mar 2016 – Jun 2026 |
| Vera Trust G-4-225848 | Eliteenergyholdings LLC only | Santa Cruz, N. (Yegua 8800) | Duval | 1 | 62.8K | 2.3M | Mar 2007 – Oct 2023 |
| Boston Texas Land & Trust G-4-180173 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 62.6K | 3.35M | Nov 2000 – Sep 2016 |
| Payne Trust G-14-246663 | BE Anadarko II, LLC only | RFC (Morrow, Upper) | Roberts | 1 | 60.7K | 2.81M | Dec 2006 – Dec 2025 |
| Brown-Trusts G-1-271420 | BPX Operating Company only | Hawkville (Eagleford Shale) | La Salle | 1 | 58.9K | 1.65M | Sep 2013 – Aug 2026 |
| Jones Trust 272 G-14-278249 | BE Anadarko II, LLC only | Lipscomb (Cleveland) | Lipscomb | 1 | 58.7K | 373K | Jun 2013 – Aug 2026 |
| Boston Texas Land & Trust G-4-272974 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 58.6K | 3.65M | Mar 2014 – Aug 2026 |