| State Champ 56-T3-12X5 G-10-286791 | BPX Operating Company only | Phantom (Wolfcamp) | Reeves | 1 | 1.14M | 4.55M | Aug 2018 – Apr 2026 |
| Hammerhead 54-1-28 Unit G-10-283257 | Anadarko E&P Onshore LLC only | Phantom (Wolfcamp) | Loving | 1 | 811K | 2.6M | Jun 2017 – Apr 2026 |
| Champion Int'l. C G-3-159465 | Eqv Operating LLC only | Double a Wells (Woodbine) | Polk | 1 | 705K | 13.6M | May 1996 – Apr 2026 |
| Brigham Fuente G-10-282219 | Resolute Natural Res. Co., LLC only | Phantom (Wolfcamp) | Reeves | 1 | 599K | 2.96M | Jun 2017 – Apr 2026 |
| Champion Int'l. C G-3-157577 | Eqv Operating LLC only | Double a Wells (Woodbine) | Polk | 1 | 535K | 9.77M | Dec 1995 – Apr 2026 |
| State Champ 56-T3-12X5 G-10-290105 | BPX Operating Company only | Phantom (Wolfcamp) | Reeves | 1 | 448K | 6.42M | Apr 2020 – Apr 2026 |
| Hamilton B-Hooks 3 Usw B G-2-294469 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 446K | 2.19M | Dec 2022 – Apr 2026 |
| Graham Unit 33-34 G-10-291098 | Jetta Operating Company, Inc. only | Phantom (Wolfcamp) | Ward | 1 | 437K | 1.57M | Nov 2015 – Apr 2026 |
| Hamilton A G-2-282077 | BPX Operating Company only | Eagleville (Eagle Ford-2) | De Witt | 1 | 424K | 3.2M | Aug 2013 – Nov 2025 |
| Brigham Fuente G-10-282389 | Resolute Natural Res. Co., LLC only | Phantom (Wolfcamp) | Reeves | 1 | 397K | 3.4M | Jun 2017 – Apr 2026 |
| Hamilton B-Hooks 3 Usw E G-2-294471 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 388K | 2.04M | Dec 2022 – Apr 2026 |
| Champion Int'l "C" G-3-180001 | Eqv Operating LLC only | Double a Wells (Woodbine) | Polk | 1 | 381K | 8.1M | Oct 2000 – Apr 2026 |
| Davila-Graham Unit AC G-2-282401 | Marathon Oil EF LLC only | Sugarkane (Austin Chalk) | Karnes | 1 | 375K | 2.66M | Apr 2017 – Apr 2026 |
| Black Stone Hamilton Unit G-6-265642 | Zarvona Energy LLC only | Brookeland (Austin Chalk, 8800) | Tyler | 1 | 371K | 982K | Apr 2012 – Apr 2026 |
| Davila-Graham Unit G-2-270119 | Marathon Oil EF LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 350K | 1.68M | Sep 2012 – Apr 2026 |
| Durham Smith Fuente G-10-281895 | Resolute Natural Res. Co., LLC only | Phantom (Wolfcamp) | Reeves | 1 | 347K | 1.58M | Nov 2016 – Apr 2026 |
| Hamilton B-Hooks 3 Usw D G-2-294564 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 346K | 1.83M | Dec 2022 – Apr 2026 |
| East Shammo G-10-293700 | Matador Production Company only | Phantom (Wolfcamp) | Winkler | 1 | 336K | 1.69M | Oct 2021 – Apr 2026 |
| Hamilton Trust A-405 G-2-277905 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 336K | 1.38M | May 2015 – Apr 2026 |
| Davila-Graham-Kowalik SA G-2-295714 | Marathon Oil EF LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 319K | 1.34M | Jun 2021 – Apr 2026 |
| Hamilton B-Hooks 3 Usw C G-2-294470 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 315K | 1.55M | Dec 2022 – Apr 2026 |
| Hamilton Trust Unit C G-2-272310 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 306K | 1.74M | Jan 2014 – Apr 2026 |
| Hamilton Trust A-405 G-2-270246 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 295K | 1.11M | Jul 2013 – Apr 2026 |
| Hamilton Trust A-405 G-2-259352 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 294K | 1.08M | Aug 2010 – Jan 2016 |
| Hamilton Northwest G-10-291621 | Greenlake Energy Operating, LLC only | Phantom (Wolfcamp) | Loving | 1 | 288K | 1.2M | Nov 2019 – Apr 2026 |
| Hamilton A G-2-282078 | BPX Operating Company only | Eagleville (Eagle Ford-2) | De Witt | 1 | 288K | 2.02M | Aug 2013 – Apr 2026 |
| Hamilton Trust A-405 G-2-277912 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 278K | 1.19M | May 2015 – Mar 2026 |
| Hamilton Trust a 405 G-2-276972 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 274K | 1.12M | Nov 2014 – Apr 2026 |
| Davila-Graham Unit G-2-288025 | Marathon Oil EF LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 272K | 1.91M | Jan 2018 – Apr 2026 |
| Durham Smith Fuente G-10-282285 | Resolute Natural Res. Co., LLC only | Phantom (Wolfcamp) | Reeves | 1 | 271K | 1.38M | Jul 2017 – Apr 2026 |
| Hamilton Trust A-405 G-2-277480 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 271K | 1.18M | May 2015 – Mar 2026 |
| Davila-Graham Unit G-2-288015 | Marathon Oil EF LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 270K | 1.67M | Jan 2018 – Apr 2026 |
| Hamilton Trust A-405 G-2-277910 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 268K | 1.14M | May 2015 – Feb 2026 |
| Davila-Graham Unit G-2-294371 | Marathon Oil EF LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 266K | 1.61M | Apr 2017 – Apr 2026 |
| Durham Smith Fuente G-10-282284 | Resolute Natural Res. Co., LLC only | Phantom (Wolfcamp) | Reeves | 1 | 260K | 1.32M | Jul 2017 – Apr 2026 |
| Hammerhead 54-1-28 Unit G-10-300107 | Anadarko E&P Onshore LLC only | Phantom (Wolfcamp) | Loving | 1 | 258K | 775K | Mar 2025 – Apr 2026 |
| Davila-Graham Unit G-2-282380 | Marathon Oil EF LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 253K | 1.14M | Apr 2017 – Jan 2026 |
| Davila-Graham Unit G-2-294372 | Marathon Oil EF LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 253K | 1.38M | Apr 2017 – Apr 2026 |
| Hamilton Trust A-405 G-2-277479 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 250K | 1.08M | May 2015 – Feb 2026 |
| Davila-Graham Unit G-2-270323 | Marathon Oil EF LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 250K | 1.1M | Sep 2012 – Sep 2024 |
| Champion Int'l. D G-3-163214 | Eqv Operating LLC only | Double a Wells (Woodbine) | Polk | 1 | 250K | 4.39M | Jan 1997 – Apr 2026 |
| Hamilton Trust Unit C G-2-270903 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 237K | 1.46M | Jan 2014 – Apr 2026 |
| Gresham Gas Unit G-3-265865 | Charolais Energy, LLC only | Trull (8900) | Matagorda | 1 | 235K | 1.33M | Aug 2011 – Feb 2026 |
| Hamilton A G-2-266859 | BPX Operating Company only | Eagleville (Eagle Ford-2) | De Witt | 1 | 232K | 1.59M | Dec 2011 – Apr 2026 |
| Hamilton A G-2-282085 | BPX Operating Company only | Eagleville (Eagle Ford-2) | De Witt | 1 | 231K | 1.98M | Aug 2013 – Mar 2026 |
| Hamilton Southeast G-10-291472 | Greenlake Energy Operating, LLC only | Phantom (Wolfcamp) | Loving | 1 | 224K | 1.16M | Nov 2020 – Apr 2026 |
| Hammerhead 54-1-28 Unit G-10-299955 | Anadarko E&P Onshore LLC only | Phantom (Wolfcamp) | Loving | 1 | 223K | 930K | Mar 2025 – Apr 2026 |
| Hamilton A G-2-281953 | BPX Operating Company only | Eagleville (Eagle Ford-2) | De Witt | 1 | 219K | 1.7M | Dec 2013 – Apr 2026 |
| Davila-Graham Unit G-2-282379 | Marathon Oil EF LLC only | Sugarkane (Eagle Ford) | Karnes | 1 | 216K | 1.36M | Apr 2017 – Apr 2026 |
| Hamilton A G-2-282088 | BPX Operating Company only | Eagleville (Eagle Ford-2) | De Witt | 1 | 212K | 1.98M | Aug 2013 – Mar 2026 |