| Brown-Trusts G-1-271387 | BPX Operating Company only | Hawkville (Eagleford Shale) | La Salle | 1 | 73.6K | 3.04M | Aug 2013 – Aug 2026 |
| West Ranch O-10-38315 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 10 | 73.1K | 588K | May 2007 – 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 |
| Parker Trust 19 O-10-40920 | Acoma Operating, LLC only | Monahans Draw (Canyon 8388) | Ector | 3 | 72.3K | 226K | Jan 2011 – Aug 2026 |
| Florence Hall Trust O-10-41733 | New Height Energy, LLC only | Spraberry (Trend Area) | Martin | 2 | 72.1K | 219K | Sep 2011 – Feb 2024 |
| Jackson Trust B O-13-26865 | Kroh Operating LLC only | Bryson, East | Jack | 3 | 72K | 19.7K | by Jan 1993 – Dec 2018 |
| Barton, Martha et Al O-6-13067 | Long Trusts, The only | Danville (Pettit-A-Oil) | Gregg | 2 | 71.9K | 215K | by Jan 1993 – Sep 2004 |
| Hughes, A. L. O-7-6959 | Long Trusts, The only | East Texas | Gregg | 12 | 71.4K | 21.1K | by Jan 1993 – Jul 2026 |
| Hager Trust 616 G-14-278625 | BE Anadarko II, LLC only | Lipscomb (Cleveland) | Lipscomb | 1 | 71.4K | 690K | Jan 2015 – Aug 2026 |
| TP Land Trust "H" O-10-37143 | Ovintiv USA Inc. only | Spraberry (Trend Area) | Midland | 2 | 71.3K | 104K | Jun 2003 – May 2021 |
| 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 |
| Brennand, Patrick Trust 124 O-11-67230 | Goodrich Pet. Co. of Louisiana only | Mungerville, NW. (Penn.) | Dawson | 1 | 70.9K | 19.6K | Mar 1994 – May 1998 |
| Broussard Trust O-3-9549 | Milestone Operating, Inc. only | Lovells Lake (Marg. 2) | Jefferson | 4 | 70.3K | 151K | by Jan 1993 – Nov 2018 |
| 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 |
| Ann Cole Trust O-10-39231 | R K Petroleum Corp. only | RK (Strawn) | Martin | 1 | 70.1K | 66.7K | Feb 2009 – Aug 2013 |
| 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 |
| Management Trust O-11-61394 | LPR Energy, LLC only | Patricia, West (Spraberry) | Dawson | 1 | 69.9K | 19.5K | by Jan 1993 – Jun 2022 |
| Guthrie Trust B O-10-41036 | Crescent Energy Operating, LLC only | Garden City, S. (Wolfcamp) | Glasscock | 2 | 69.7K | 1.19M | Jun 2010 – Jul 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 |
| Bouldin Trust-Rowell O-1-17234 | Auterra Operating, LLC only | Eagleville (Eagle Ford-1) | Gonzales | 1 | 69.2K | 48.6K | Aug 2013 – Oct 2025 |
| 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 |
| Broussard Trust O-3-1526 | Papco, Inc. only | Fig Ridge | Chambers | 3 | 68.5K | 29.6K | May 1993 – Apr 2026 |
| Prideaux, Inez -A- O-13-10651 | Beisch, Rusty only | Archer County Regular | Archer | 32 | 68.3K | 21 | by Jan 1993 – 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 |
| Lott Trust "A" O-11-68759 | Shenandoah Petroleum Corporation only | Lazy -JL- (U. Spraberry Lime) | Garza | 3 | 67.7K | 10.9K | Mar 2005 – Aug 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 |
| Ellwood,w.l. Trust "B" O-10-26883 | Crego Exploration only | Silver Tank (Miss.) | Mitchell | 3 | 67.6K | 1.4K | by Jan 1993 – Dec 2020 |
| Currie Trust 28 O-10-43088 | Crescent Energy Operating, LLC only | Garden City, S. (Wolfcamp) | Glasscock | 2 | 67.5K | 474K | May 2011 – Jul 2026 |
| Arminius Energy Trust O-1-15268 | Cabot Oil & Gas Corporation only | Eagleville (Eagle Ford Sour) | Frio | 2 | 67.4K | 95.1K | Sep 2010 – Dec 2010 |
| 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 |
| McKinney, Elmer O-8-18454 | Long Trusts, The only | Herrin, N. (Strawn) | Haskell | 5 | 66.5K | 21 | by Jan 1993 – Jul 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 |
| Pentecost O-6-13044 | Long Trusts, The only | R.C.R. (Pettit -A-) | Gregg | 1 | 66.4K | 88.6K | by Jan 1993 – Aug 2020 |
| Mauritz, H. & Trust O-2-7569 | Fredco only | Mauritz (5500) | Jackson | 1 | 66.2K | 7.66K | by Jan 1993 – Apr 2012 |
| Sealy-Smith O-8-29053 | Pony Express Corporate Trust only | Emily (Ellenburger) | Coleman | 1 | 66.1K | 152K | Oct 2001 – May 2025 |
| Alexander Trust "N" O-11-60827 | Patton Exploration, Inc. only | Croton (Tannehill) | King | 6 | 65.6K | 20 | by Jan 1993 – Mar 2016 |
| 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 |
| Realty Trust O-10-37437 | Olsen Energy Inc. only | Pecos Valley (Fusselman) | Pecos | 1 | 65.1K | 408K | Jan 2003 – Aug 2026 |
| Rhodes Trust O-2-8828 | P1 Energy, LLC only | Speary (Wilcox 9400) | Karnes | 1 | 65K | 253K | Oct 2003 – Mar 2026 |
| Mays Trust O-11-66267 | Sweet Crude Operating LLC only | Clairemont, SW. (Mays) | Kent | 1 | 64.7K | 41.8K | by Jan 1993 – Aug 2026 |
| Dolores Coulter Trust O-6-14865 | Goldston Oil Corporation only | Beauchamp Springs (Paluxy) | Smith | 1 | 64.3K | 25.8K | Feb 2009 – 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 |
| Standard Trust O-3-3109 | McA Petroleum Corporation only | Muldoon, SW. (Arnim Sand) | Fayette | 6 | 63.1K | 83 | by Jan 1993 – Aug 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 |
| Laird, Mack O-6-12035 | Long Trusts, The only | Wright Mountain (Pettit, Lower) | Smith | 1 | 62.5K | 21 | by Jan 1993 – Jul 2026 |