| M. Koopmann Unit A G-2-282723 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 1.31M | 7.18M | Aug 2017 – Aug 2026 |
| Hilmer Koopmann a 274 G-2-291965 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 802K | 3.32M | Apr 2022 – Aug 2026 |
| Mann Trust Unit G-6-199176 | Zarvona Energy LLC only | Brookeland (Austin Chalk, 8800) | Tyler | 1 | 794K | 4.48M | Dec 2003 – Aug 2026 |
| Hilmer Koopmann a 274 G-2-291898 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 746K | 3.56M | Mar 2021 – Aug 2026 |
| Hilmer Koopmann a 274 G-2-291956 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 712K | 3.12M | Apr 2022 – Aug 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 | 691K | 2.7M | Mar 2014 – Aug 2026 |
| Hilmer Koopmann a 274 G-2-259552 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 672K | 2.69M | Aug 2010 – Aug 2026 |
| Hilmer Koopmann a 274 G-2-280714 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 608K | 2.39M | Jun 2016 – Aug 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 |
| Bargmann Trust Unit B G-2-266766 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 586K | 2.74M | May 2012 – Aug 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 |
| N Steinmann Unit B G-2-290417 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 579K | 3.91M | Dec 2020 – Aug 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 – Aug 2026 |
| M. Koopmann Unit A G-2-282947 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 468K | 2.19M | Aug 2017 – Jul 2025 |
| Bargmann Trust Unit B G-2-282461 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 467K | 2.37M | May 2017 – Jul 2026 |
| Hilmer Koopmann a 274 G-2-278316 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 467K | 2.16M | Jul 2015 – Jun 2026 |
| N. Steinmann Unit B G-2-299055 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 449K | 2.85M | Feb 2025 – Aug 2026 |
| Lehmann-Von Minden G-3-144582 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Fayette | 1 | 436K | 4.47M | Feb 1993 – Aug 2026 |
| J.C. Mann Gas Unit G-4-145065 | Dewbre Petroleum Corporation only | Cadre (Vicksburg Patriot) | Hidalgo | 1 | 420K | 24.7M | Apr 1993 – Aug 2026 |
| Bargmann Trust Unit B G-2-282867 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 419K | 2.06M | May 2017 – Sep 2024 |
| Bargmann Trust Unit B G-2-282675 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 417K | 1.8M | May 2017 – Aug 2026 |
| N Steinmann Unit A G-2-266815 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 407K | 2.29M | Nov 2012 – Aug 2026 |
| N Steinmann Unit B G-2-290336 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 403K | 2.8M | Dec 2020 – Aug 2026 |
| N. Steinmann Unit B G-2-299020 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 365K | 2.45M | Feb 2025 – Aug 2026 |
| Hilmer Koopmann a 274 G-2-291964 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 364K | 1.4M | Apr 2022 – Aug 2026 |
| Bargmann Trust Unit B G-2-282894 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 360K | 1.58M | May 2017 – Aug 2026 |
| N. Steinmann Unit B G-2-298909 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 335K | 2.36M | Feb 2025 – Aug 2026 |
| State Tiemann 56-T2-28 G-10-281608 | BPX Operating Company only | Phantom (Wolfcamp) | Reeves | 1 | 311K | 1.2M | May 2016 – Aug 2026 |
| M. Koopmann Unit A G-2-266281 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 307K | 1.22M | Jul 2012 – Dec 2024 |
| Walk a Jam a-Hermann HC2 G-1-300452 | Ineos USA Oil & Gas LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 303K | 1.42M | Aug 2019 – Aug 2026 |
| N Steinmann Unit B G-2-266818 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 296K | 1.5M | Nov 2012 – Oct 2024 |
| Hoermann Unit G-2-285842 | Crescent Energy Operating, LLC only | De Witt (Eagle Ford Shale) | De Witt | 1 | 287K | 1.69M | Jul 2018 – Aug 2026 |
| State Tiemann 56-T2-28 G-10-291158 | BPX Operating Company only | Phantom (Wolfcamp) | Reeves | 1 | 282K | 2.08M | Jan 2021 – Aug 2026 |
| Winkelmann G-3-284707 | Wildfire Energy Operating LLC only | Giddings (Austin Chalk, Gas) | Washington | 1 | 278K | 3.05M | Jun 2017 – Jul 2026 |
| Borchardt Steinmann Usw B G-2-289883 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 274K | 1.77M | Feb 2021 – Aug 2026 |
| Bargmann Trust Unit B G-2-282438 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 269K | 1.25M | May 2017 – Aug 2026 |
| Hoermann-Kolm G-2-300147 | Crescent Energy Operating, LLC only | De Witt (Eagle Ford Shale) | De Witt | 1 | 267K | 600K | Apr 2023 – Mar 2025 |
| Walk a Jam B-Hermann HC1 G-1-301190 | Ineos USA Oil & Gas LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 264K | 1.27M | Oct 2019 – Aug 2026 |
| Borchardt Steinmann Usw C G-2-289877 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 260K | 1.37M | Feb 2021 – Aug 2026 |
| Mahlmann-Walther Unit G-3-141715 | Union Pacific Resources Company only | Giddings (Austin Chalk, Gas) | Fayette | 1 | 252K | 2.3M | by Jan 1993 – Aug 1999 |
| Borchardt Steinmann Usw D G-2-289879 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 251K | 1.69M | Feb 2021 – Aug 2026 |
| N. Steinmann Unit B G-2-299023 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 243K | 1.33M | Feb 2025 – Aug 2026 |
| Walk a Jam a-Hermann HC1 G-1-301187 | Ineos USA Oil & Gas LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 229K | 1.14M | Aug 2019 – Aug 2026 |
| Hoermann-Langhoff B G-2-300187 | Crescent Energy Operating, LLC only | Sugarkane (Austin Chalk) | De Witt | 1 | 229K | 1.41M | Sep 2023 – Aug 2026 |
| Walk a Jam B-Hermann HC2 G-1-300449 | Ineos USA Oil & Gas LLC only | Briscoe Ranch (Eagleford) | Dimmit | 1 | 225K | 1.41M | Sep 2019 – Aug 2026 |
| Hoermann Unit G-2-286378 | Crescent Energy Operating, LLC only | De Witt (Eagle Ford Shale) | De Witt | 1 | 223K | 1.14M | Jul 2018 – Aug 2026 |
| Manning G-3-273058 | E2 Operating LLC only | Fort Trinidad (Glen Rose, Upper) | Madison | 1 | 220K | 545K | Feb 2014 – Jun 2026 |
| Hoermann-Langhoff B G-2-300186 | Crescent Energy Operating, LLC only | De Witt (Eagle Ford Shale) | De Witt | 1 | 220K | 1.19M | Sep 2023 – Aug 2026 |
| Hoermann-Kolm B G-2-300149 | Crescent Energy Operating, LLC only | De Witt (Eagle Ford Shale) | De Witt | 1 | 218K | 642K | Oct 2024 – Aug 2026 |