| Brass Monkey State Unit O-10-49444 | U.S. Energy Development Corp only | Phantom (Wolfcamp) | Reeves | 8 | 564K | 1.82M | Nov 2017 – Apr 2026 |
| State Whiskey River 1-8 O-10-52817 | Continental Resources, Inc. only | Phantom (Wolfcamp) | Reeves | 1 | 556K | 1.1M | Mar 2019 – Apr 2026 |
| Coachwhip 25 O-10-49191 | Formentera Operations LLC only | Keystone (Wolfcamp) | Winkler | 2 | 552K | 652K | Jan 2017 – Apr 2026 |
| Whiting 28 O-10-49192 | Formentera Operations LLC only | Keystone (Wolfcamp) | Winkler | 2 | 547K | 920K | Feb 2017 – Apr 2026 |
| Lackey a C-Lackey B Usw O-2-11215 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 546K | 1.58M | Jun 2016 – Apr 2026 |
| Ally 26 O-10-46953 | Formentera Operations LLC only | Keystone (Wolfcamp) | Winkler | 2 | 545K | 1.47M | Nov 2014 – Apr 2026 |
| Brass Monkey State Unit G-10-292743 | U.S. Energy Development Corp only | Phantom (Wolfcamp) | Reeves | 1 | 524K | 2.38M | Jan 2018 – Apr 2026 |
| Keyhole 43 O-10-48650 | PDC Permian, Inc. only | Phantom (Wolfcamp) | Reeves | 1 | 505K | 1.53M | Jun 2016 – Apr 2026 |
| Waddell O-10-23120 | Formentera Operations LLC only | Keystone (San Andres) | Winkler | 30 | 502K | 1.14M | Jan 1993 – Apr 2026 |
| Hawkeye A O-1-20261 | FW Eagle Ford I, LLC only | Eagleville (Eagle Ford-1) | Gonzales | 1 | 497K | 418K | Jun 2020 – Apr 2026 |
| Whiskey River 7374B-34 O-10-49742 | Continental Resources, Inc. only | Phantom (Wolfcamp) | Ward | 1 | 488K | 1.05M | Dec 2017 – Apr 2026 |
| Whiskey River 9596D-34 O-10-51318 | Continental Resources, Inc. only | Phantom (Wolfcamp) | Ward | 1 | 486K | 649K | Oct 2018 – Apr 2026 |
| Buckeye 55-1-28 Unit G-10-284415 | Anadarko E&P Onshore LLC only | Phantom (Wolfcamp) | Loving | 1 | 486K | 2.15M | May 2018 – Apr 2026 |
| Dudley 10 O-10-59381 | Boyd & McWilliams Operating, LLC only | Keystone (Wolfcamp) | Winkler | 2 | 480K | 207K | Feb 2023 – Apr 2026 |
| Lackey-Frisbie Usw C O-2-12909 | Burlington Resources O & G Co LP only | Eagleville (Eagle Ford-2) | De Witt | 1 | 480K | 1.38M | May 2023 – Apr 2026 |
| Hawkeye O-1-19323 | Lonestar Operating, LLC only | Eagleville (Eagle Ford-1) | Gonzales | 2 | 479K | 301K | Jan 2018 – Jan 2021 |
| Hawkeye Z O-1-20292 | FW Eagle Ford I, LLC only | Eagleville (Eagle Ford-1) | Gonzales | 1 | 479K | 400K | Jul 2020 – Apr 2026 |
| Brass Monkey State Unit G-10-292804 | U.S. Energy Development Corp only | Phantom (Wolfcamp) | Reeves | 1 | 479K | 2.5M | Dec 2017 – Apr 2026 |
| Wells, Hyson -A- O-13-18549 | Key Energy of Colorado, Inc. only | Groesbeck Creek (Chappel) | Hardeman | 2 | 478K | 110K | Jan 1993 – Jul 2006 |
| Keystone 12-15 Unit E G-10-293582 | Coterra Energy Operating Co. only | Phantom (Wolfcamp) | Reeves | 1 | 473K | 2.67M | Jan 2023 – Apr 2026 |
| Lackey-Frisbie Usw D O-2-12867 | Burlington Resources O & G Co LP only | Eagleville (Eagle Ford-2) | De Witt | 1 | 472K | 1.3M | May 2023 – Apr 2026 |
| Big Smokey A O-10-59986 | Hibernia Resources IV, LLC only | Spraberry (Trend Area) | Martin | 1 | 463K | 425K | Jun 2023 – Apr 2026 |
| Lackey-Frisbie Usw B O-2-12917 | Burlington Resources O & G Co LP only | Eagleville (Eagle Ford-2) | De Witt | 1 | 461K | 1.35M | May 2023 – Apr 2026 |
| Lackey Unit A G-2-264289 | Burlington Resources O & G Co LP only | Eagleville (Eagle Ford-2) | De Witt | 1 | 460K | 1.4M | Feb 2012 – Feb 2026 |
| Keystone 12-15 Unit B G-10-293569 | Coterra Energy Operating Co. only | Phantom (Wolfcamp) | Reeves | 1 | 455K | 2.09M | Jan 2023 – Apr 2026 |
| Keystone 12-15 Unit A G-10-293581 | Coterra Energy Operating Co. only | Phantom (Wolfcamp) | Reeves | 1 | 450K | 2.07M | Jan 2023 – Apr 2026 |
| Keystone Cattle Company O-10-29385 | Basin Oil & Gas Operating, LLC only | Keystone, SW. (San Andres) | Winkler | 28 | 450K | 2.76M | Jan 1993 – Mar 2026 |
| Brass Monkey State Unit G-10-292741 | U.S. Energy Development Corp only | Phantom (Wolfcamp) | Reeves | 1 | 437K | 2.45M | Dec 2017 – Mar 2026 |
| Brass Monkey State Unit G-10-292740 | U.S. Energy Development Corp only | Phantom (Wolfcamp) | Reeves | 1 | 437K | 2.1M | Nov 2017 – Apr 2026 |
| Lackey Unit B-A C Usw H O-2-11953 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 436K | 1.53M | Feb 2020 – Apr 2026 |
| Whiting 22 O-10-49193 | Formentera Operations LLC only | Keystone (Wolfcamp) | Winkler | 2 | 435K | 514K | Jun 2017 – Apr 2026 |
| Rust 24 O-10-54505 | Formentera Operations LLC only | Keystone (Wolfcamp) | Winkler | 2 | 424K | 1.3M | Sep 2019 – Apr 2026 |
| Keystone 12-15 Unit D G-10-293712 | Coterra Energy Operating Co. only | Phantom (Wolfcamp) | Reeves | 1 | 415K | 1.85M | Jan 2023 – Apr 2026 |
| Keystone Cattle Co. O-10-1422 | Highmark Energy Operating, LLC only | Flying -W- | Winkler | 7 | 414K | 3.03M | Jan 1993 – Apr 2026 |
| Whiskey River 9596C-34 O-10-50147 | Continental Resources, Inc. only | Phantom (Wolfcamp) | Ward | 1 | 410K | 497K | Feb 2018 – Apr 2026 |
| Brass Monkey State Unit G-10-292739 | U.S. Energy Development Corp only | Phantom (Wolfcamp) | Reeves | 1 | 410K | 1.83M | Jan 2018 – Apr 2026 |
| Keystone 12-15 Unit C G-10-293724 | Coterra Energy Operating Co. only | Phantom (Wolfcamp) | Reeves | 1 | 408K | 2.67M | Jan 2023 – Apr 2026 |
| Pure-Walton O-10-3361 | Hilcorp Energy Company only | Keystone (Ellenburger) | Winkler | 22 | 406K | 7.7M | Jan 1993 – Apr 2021 |
| Hawkeye B O-1-20262 | FW Eagle Ford I, LLC only | Eagleville (Eagle Ford-1) | Gonzales | 1 | 405K | 391K | Jul 2020 – Apr 2026 |
| Kenosha-Keyhole 4341 1U G-10-291934 | PDC Permian, Inc. only | Phantom (Wolfcamp) | Reeves | 1 | 404K | 2.72M | Apr 2022 – Apr 2026 |
| Big Smokey B O-10-59914 | Hibernia Resources IV, LLC only | Spraberry (Trend Area) | Martin | 1 | 404K | 376K | Jun 2023 – Apr 2026 |
| Key "9" O-10-38793 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Martin | 10 | 399K | 704K | Feb 2008 – Apr 2026 |
| Caskey B - Migura B SA 1 G-2-288492 | BPX Operating Company only | Eagleville (Eagle Ford-2) | De Witt | 1 | 398K | 3.01M | Oct 2019 – Apr 2026 |
| Lackey Land a 639 Unit A O-2-10188 | Burlington Resources O & G Co LP only | Eagleville (Eagle Ford-2) | De Witt | 2 | 396K | 1.02M | Aug 2012 – Mar 2026 |
| Hawkeye E O-1-20371 | FW Eagle Ford I, LLC only | Eagleville (Eagle Ford-1) | Gonzales | 1 | 394K | 287K | Feb 2021 – Apr 2026 |
| Lackey-Frisbie Usw A O-2-12870 | Burlington Resources O & G Co LP only | Eagleville (Eagle Ford-2) | De Witt | 1 | 394K | 1.16M | May 2023 – Mar 2026 |
| Dunes O-10-49194 | Formentera Operations LLC only | Keystone (Wolfcamp) | Winkler | 2 | 389K | 314K | Sep 2017 – Apr 2026 |
| Caskey A G-2-295807 | BPX Operating Company only | Eagleville (Eagle Ford-2) | De Witt | 1 | 386K | 1.57M | Oct 2019 – Feb 2026 |
| Caskey a -Caskey B SA 1 G-2-288544 | BPX Operating Company only | Eagleville (Eagle Ford-2) | De Witt | 1 | 383K | 1.7M | Oct 2019 – Apr 2026 |
| Jenkins, Ben, Etal -A- O-10-21299 | XTO Energy Inc. only | Keystone (Silurian) | Winkler | 3 | 383K | 526K | Jan 1993 – Feb 2019 |