| Bargmann Trust Unit A O-2-9718 | Burlington Resources O & G Co LP only | Eagleville (Eagle Ford-2) | Karnes | 8 | 3.39M | 4.35M | Nov 2011 – Apr 2026 |
| Klaevemann Unit A O-2-9772 | Burlington Resources O & G Co LP only | Eagleville (Eagle Ford-2) | De Witt | 5 | 2.33M | 5M | Jan 2012 – Apr 2026 |
| Homann San Andres Unit O-11-68217 | Extex Operating Company only | Homann (San Andres) | Gaines | 41 | 1.99M | 295K | Sep 2000 – Apr 2026 |
| Mann 13-33 a Unit O-10-54499 | Highpeak Energy Holdings, LLC only | Spraberry (Trend Area) | Howard | 6 | 1.41M | 2.33M | Nov 2020 – Apr 2026 |
| Kothmann-Ranch O-1-15735 | Javelin Energy Partners Mgmt LLC only | Briscoe Ranch (Eagleford) | Frio | 14 | 1.36M | 1.63M | Jul 2011 – Mar 2026 |
| M. Koopmann Unit A G-2-282723 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 1.31M | 7.16M | Aug 2017 – Apr 2026 |
| Hoffmann Unit O-2-11587 | Devon Energy Production Co, L.P. only | Sugarkane (Austin Chalk) | Karnes | 4 | 1.27M | 3.97M | Jul 2018 – Apr 2026 |
| J-Hermann F O-2-9956 | Devon Energy Production Co, L.P. only | Eagleville (Eagle Ford-2) | De Witt | 4 | 1.14M | 3.72M | Feb 2012 – Apr 2026 |
| Hoffmann Unit O-2-11282 | Devon Energy Production Co, L.P. only | Eagleville (Eagle Ford-2) | Karnes | 5 | 1.07M | 1.48M | Aug 2016 – Apr 2026 |
| Halfmann 1214 O-9-18597 | Sable Permian Resources, LLC only | Lin (Wolfcamp) | Reagan | 6 | 1.02M | 5.91M | Sep 2014 – Feb 2020 |
| MANN15 P1 Unit O-9-19536 | COG Operating LLC only | Spraberry (Trend Area) | Upton | 3 | 964K | 5.41M | Feb 2017 – Apr 2026 |
| Midkiff-Halfmann 39-46 4600 O-10-49750 | XTO Energy Inc. only | Spraberry (Trend Area) R 40 Exc | Midland | 3 | 956K | 5.62M | May 2018 – Apr 2026 |
| Herrmann EF Unit O-3-27513 | Wildfire Energy Operating LLC only | Giddings (Eagleford) | Burleson | 4 | 906K | 179K | Jul 2018 – Mar 2026 |
| Halfmann 21 H O-10-60803 | Crescent Energy Operating, LLC only | Spraberry (Trend Area) | Glasscock | 4 | 885K | 2.6M | Apr 2024 – Apr 2026 |
| Hilmer Koopmann a 274 G-2-291965 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 794K | 3.29M | Apr 2022 – Apr 2026 |
| Mann Trust Unit G-6-199176 | Zarvona Energy LLC only | Brookeland (Austin Chalk, 8800) | Tyler | 1 | 793K | 4.48M | Dec 2003 – Apr 2026 |
| Lehmann Heirs OL Unit O-3-22110 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Lee | 3 | 782K | 1.56M | Jul 1993 – Apr 2026 |
| Midkiff-Halfmann 39-46 4607 O-10-49508 | XTO Energy Inc. only | Spraberry (Trend Area) R 40 Exc | Midland | 2 | 759K | 3.86M | May 2018 – Apr 2026 |
| Midkiff-Halfmann 39-46 4606 O-10-49580 | XTO Energy Inc. only | Spraberry (Trend Area) R 40 Exc | Midland | 2 | 756K | 3.75M | May 2018 – Apr 2026 |
| Hilmer Koopmann a 274 G-2-291898 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 736K | 3.48M | Mar 2021 – Apr 2026 |
| Hilmer Koopmann a 274 G-2-291956 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 707K | 3.1M | Apr 2022 – Apr 2026 |
| Koopmann Unit C O-2-11061 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 4 | 703K | 2.25M | Jan 2014 – Apr 2026 |
| Hilmer Koopmann a 274 G-2-280750 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 698K | 2.6M | Jul 2016 – Feb 2021 |
| Koopmann (Allocation) G-2-274000 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 690K | 2.7M | Mar 2014 – Apr 2026 |
| Bargmann Trust a Enervest JV A O-2-11369 | Burlington Resources O & G Co LP only | Eagleville (Eagle Ford-2) | Karnes | 1 | 680K | 1.12M | Oct 2017 – Apr 2026 |
| Hilmer Koopmann a 274 G-2-259552 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 669K | 2.67M | Aug 2010 – Apr 2026 |
| Weeks-Lehmann Unit O-3-22266 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Lee | 2 | 662K | 1.3M | Dec 1993 – Apr 2026 |
| Mann, S. F. O-11-5471 | Cross Timbers Energy, LLC only | Seminole (San Angelo) | Gaines | 2 | 642K | 54.8K | Jan 1993 – Apr 2026 |
| Rayburn-Baumann W16I O-10-52353 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 624K | 1.25M | Apr 2019 – Apr 2026 |
| Mann, S. F. O-11-5470 | Citation Oil & Gas Corp. only | Seminole (San Angelo) | Gaines | 6 | 619K | 107K | Jan 1993 – Apr 2026 |
| Umlang-Lehmann Unit O-3-26560 | EOG Resources, Inc. only | Southern Bay (Eagle Ford) | Lee | 3 | 610K | 194K | Apr 2018 – Apr 2026 |
| Hilmer Koopmann a 274 G-2-280714 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 607K | 2.38M | Jun 2016 – Apr 2026 |
| Hilmer Koopmann a 274 G-2-280856 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 605K | 2.46M | Jun 2016 – Oct 2020 |
| Rayburn-Baumann W16P O-10-50662 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 598K | 1.72M | May 2018 – Apr 2026 |
| Rayburn-Baumann W16G O-10-52331 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 598K | 956K | Apr 2019 – Apr 2026 |
| Rayburn-Baumann W16H O-10-52351 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 593K | 1.25M | Apr 2019 – Apr 2026 |
| Bargmann Trust Unit B G-2-266766 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 583K | 2.72M | May 2012 – Apr 2026 |
| Hilmer Koopmann a 274 G-2-280713 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 580K | 2.2M | Jun 2016 – Oct 2020 |
| Halfmann 21 F O-10-60816 | Crescent Energy Operating, LLC only | Spraberry (Trend Area) | Glasscock | 3 | 571K | 1.92M | Mar 2024 – Apr 2026 |
| Hall-Manning O-1-18030 | Marathon Oil EF LLC only | Eagleville (Eagle Ford-1) | Gonzales | 4 | 564K | 609K | Sep 2014 – Apr 2026 |
| Lehmann Unit B Dim O-1-16644 | Ineos USA Oil & Gas LLC only | Briscoe Ranch (Eagleford) | Dimmit | 5 | 563K | 1.27M | May 2013 – Apr 2026 |
| N Steinmann Unit B G-2-290417 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 562K | 3.8M | Dec 2020 – Apr 2026 |
| Bargmann Trust Unit B G-2-282423 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 559K | 2.4M | May 2017 – Mar 2026 |
| Ammann O-1-20667 | Endeavor Natural Gas, LP only | Hugh Fitzsimmons (San Miguel) | Dimmit | 7 | 547K | 1.23M | Jul 2022 – Apr 2026 |
| Rayburn-Baumann W16Q O-10-50768 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 527K | 1.77M | May 2018 – Apr 2026 |
| Giaccone-Lehmann Unit O-3-21886 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Washington | 2 | 526K | 1.78M | Jan 1993 – Apr 2026 |
| Lehmann,ira J. O-3-14516 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Lee | 2 | 523K | 1.78M | Jan 1993 – Apr 2026 |
| Midkiff-Halfmann 39-46 4609 O-10-49766 | XTO Energy Inc. only | Spraberry (Trend Area) R 40 Exc | Midland | 2 | 508K | 1.67M | May 2018 – Apr 2026 |
| Halfmann OU 47-15 (Alloc-A) O-10-47945 | Crescent Energy Operating, LLC only | Spraberry (Trend Area) | Glasscock | 2 | 505K | 4.53M | Jun 2016 – Apr 2026 |
| Schumann, A. O. O-1-1772 | Dorchester Operating Company LLC only | Weigang | Atascosa | 11 | 503K | 51.8K | Jan 1993 – Apr 2026 |