| Keystone Holt Unit O-10-20730 | Bopco, L.P. only | Keystone (Holt) | Winkler | 164 | 6.49M | 13.6M | Jan 1993 – Aug 2015 |
| COP O-10-56269 | Boyd & McWilliams Operating, LLC only | Keystone (Wolfcamp) | Winkler | 12 | 3.43M | 3.3M | Nov 2020 – Apr 2026 |
| Keystone O-10-45515 | COG Operating LLC only | Spraberry (Trend Area) | Midland | 9 | 3.37M | 4.57M | Apr 2014 – Apr 2026 |
| Campbell, Seth O-10-47618 | Hilcorp Energy Company only | Keystone (Consolidated) | Winkler | 78 | 2.81M | 11.6M | Sep 2015 – Apr 2026 |
| Keys Unit O-2-11996 | Magnolia Oil & Gas Operating LLC only | Eagleville (Eagle Ford-2) | Karnes | 10 | 2.58M | 4.55M | Feb 2020 – Apr 2026 |
| Lackey Unit A O-2-11425 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 6 | 2.56M | 9.07M | Mar 2018 – Apr 2026 |
| Keystone Holt Unit O-10-47085 | Basin Oil & Gas Operating, LLC only | Keystone (Consolidated) | Winkler | 140 | 2.25M | 2.68M | Sep 2015 – Apr 2026 |
| Lackey Land a 639 Unit B O-2-10190 | Burlington Resources O & G Co LP only | Eagleville (Eagle Ford-2) | De Witt | 5 | 2.21M | 6.47M | Sep 2012 – Apr 2026 |
| Campbell, Seth O-10-13866 | Apache Corporation only | Keystone (Clear Fork) | Winkler | 67 | 2.16M | 9.47M | Jan 1993 – Aug 2015 |
| Keystone Cattle Co. O-10-3427 | BCP Resources, LLC only | Keystone, South | Winkler | 93 | 1.95M | 8.08M | Jan 1993 – Apr 2026 |
| South Keystone /Ellen/ Unit O-10-22615 | Basin Oil & Gas Operating, LLC only | Keystone (Ellenburger) | Winkler | 38 | 1.61M | 13.6M | Jan 1993 – Mar 2016 |
| Whiskey River 0927A-7 O-10-50156 | Continental Resources, Inc. only | Phantom (Wolfcamp) | Reeves | 2 | 1.45M | 2.63M | Sep 2015 – Apr 2026 |
| Ally O-10-48672 | Formentera Operations LLC only | Keystone (Wolfcamp) | Winkler | 6 | 1.37M | 1.92M | Nov 2016 – Mar 2026 |
| Whiskey River 9596A-34 O-10-50849 | Continental Resources, Inc. only | Phantom (Wolfcamp) | Ward | 3 | 1.3M | 1.98M | Jul 2018 – Apr 2026 |
| East Keystone(san a Holt Unit) O-10-36780 | Merit Energy Company only | Keystone (Holt) | Winkler | 81 | 1.29M | 1.81M | Jan 2002 – Aug 2015 |
| Whiskey River 0927B-7 O-10-47658 | Continental Resources, Inc. only | Phantom (Wolfcamp) | Reeves | 3 | 1.27M | 2.49M | Aug 2015 – Apr 2026 |
| Whiskey River 19.5A-8 O-10-50171 | Continental Resources, Inc. only | Phantom (Wolfcamp) | Pecos | 2 | 1.24M | 2.3M | Feb 2018 – Apr 2026 |
| Baird, W. E. O-10-47127 | Basin Oil & Gas Operating, LLC only | Keystone (Consolidated) | Winkler | 81 | 1.23M | 5.3M | Sep 2015 – Apr 2026 |
| Keystone Cattle Company O-10-35757 | BCP Resources, LLC only | Keystone, South (Devonian) | Winkler | 9 | 1.18M | 3.72M | May 1998 – Apr 2026 |
| Whiskey River 7374A-34 O-10-49915 | Continental Resources, Inc. only | Phantom (Wolfcamp) | Ward | 3 | 1.17M | 1.96M | Dec 2017 – Apr 2026 |
| Whiskey River 9596B-34 O-10-50342 | Continental Resources, Inc. only | Phantom (Wolfcamp) | Ward | 3 | 1.15M | 2.13M | Feb 2018 – Apr 2026 |
| Walton, J. B. O-10-3375 | Hilcorp Energy Company only | Keystone (Ellenburger) | Winkler | 22 | 1.13M | 24M | Jan 1993 – Jun 2020 |
| Keys Unit O-2-12003 | Magnolia Oil & Gas Operating LLC only | Sugarkane (Austin Chalk) | Karnes | 3 | 1.01M | 4.75M | Feb 2020 – Apr 2026 |
| West Turkey Track O-14-6708 | Plains Exploration & Prod. Co. only | Arrington, West (Hunton) | Hutchinson | 12 | 995K | 39.8K | Jan 1993 – Apr 2011 |
| Whiskey River 3-8 O-10-49276 | Continental Resources, Inc. only | Phantom (Wolfcamp) | Reeves | 2 | 991K | 1.98M | Jun 2017 – Apr 2026 |
| Key West Ten Unit O-11-70355 | Roff Operating Company, LLC only | Key West (Spraberry) | Dawson | 12 | 977K | 170K | Jul 2015 – Apr 2026 |
| Turkey Track O-14-7104 | Palo Duro Resources LLC only | Merex Resources (Granite Wash) | Hutchinson | 11 | 955K | 1.02M | Feb 1996 – Apr 2024 |
| Brutus Buckeye 28-40 E O-10-57271 | Birch Operations, Inc. only | Spraberry (Trend Area) | Howard | 3 | 920K | 3.63M | Mar 2022 – Apr 2026 |
| State Whiskey River 5-8 O-10-49606 | Continental Resources, Inc. only | Phantom (Wolfcamp) | Pecos | 2 | 903K | 1.67M | Aug 2017 – Apr 2026 |
| Brutus Buckeye 28-40 C O-10-57326 | Birch Operations, Inc. only | Spraberry (Trend Area) | Howard | 3 | 836K | 3.6M | Apr 2022 – Apr 2026 |
| Whiting 21 O-10-51186 | Formentera Operations LLC only | Keystone (Wolfcamp) | Winkler | 3 | 801K | 1.31M | Sep 2018 – Apr 2026 |
| Brutus Buckeye 28-40 G O-10-57279 | Birch Operations, Inc. only | Spraberry (Trend Area) | Howard | 2 | 799K | 2.05M | Mar 2022 – Apr 2026 |
| Lackey Unit B-A C Usw F O-2-11952 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 783K | 2.55M | Feb 2020 – Apr 2026 |
| State Whiskey River 4A-8 O-10-49876 | Continental Resources, Inc. only | Phantom (Wolfcamp) | Reeves | 2 | 782K | 1.51M | Nov 2017 – Apr 2026 |
| Whiskey River 98-34 O-10-49021 | Continental Resources, Inc. only | Phantom (Wolfcamp) | Ward | 2 | 781K | 1.12M | Feb 2017 – Apr 2026 |
| Lackey Unit B O-2-11076 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 2 | 780K | 2.13M | Jan 2014 – Apr 2026 |
| Key, Hobart O-7-7558 | Basa Resources, Inc. only | East Texas | Gregg | 19 | 772K | 376K | Jan 1993 – Apr 2026 |
| Walton, J. B. a/C 2 O-10-3287 | Formentera Operations LLC only | Keystone (Colby) | Winkler | 56 | 771K | 747K | Jan 1993 – Apr 2026 |
| Key, Dolly Bell O-7-8514 | Linder, John Operating Co., LLC only | East Texas | Gregg | 15 | 757K | 298K | Jan 1993 – Apr 2026 |
| Key West Waterflood Unit O-11-66640 | Momentum Energy Corporation only | Key West (Spraberry) | Dawson | 18 | 737K | 183K | Jan 1993 – Apr 2026 |
| Whiskey River 19.5B-8 O-10-49888 | Continental Resources, Inc. only | Phantom (Wolfcamp) | Pecos | 2 | 717K | 1.26M | Nov 2017 – Apr 2026 |
| Keystone Cattle Co. O-10-3410 | Whiting Oil and Gas Corporation only | Keystone (Silurian) | Winkler | 2 | 715K | 987K | Jan 1993 – Feb 2019 |
| State Whiskey River 4B-8 O-10-50593 | Continental Resources, Inc. only | Phantom (Wolfcamp) | Reeves | 1 | 694K | 1.55M | Jun 2018 – Apr 2026 |
| Brutus Buckeye 28-40 A O-10-57267 | Birch Operations, Inc. only | Spraberry (Trend Area) | Howard | 2 | 694K | 1.86M | Apr 2022 – Apr 2026 |
| Lackey Unit B-A C Usw G O-2-11962 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 691K | 2.84M | Feb 2020 – Apr 2026 |
| Whiskey River 6-8 O-10-49975 | Continental Resources, Inc. only | Phantom (Wolfcamp) | Pecos | 2 | 664K | 1.33M | Nov 2017 – Apr 2026 |
| Walton, J. B., -C- O-10-15164 | Hilcorp Energy Company only | Keystone (San Andres) | Winkler | 13 | 610K | 1.25M | Jan 1993 – Apr 2026 |
| Whiskey River O-9-21822 | Permian Resources Operating, LLC only | Spraberry (Trend Area) | Upton | 3 | 595K | 2.04M | Dec 2022 – Apr 2026 |
| Baird, W. E. O-10-12805 | Devon Energy Production Co, L.P. only | Keystone (Clear Fork) | Winkler | 35 | 577K | 4.09M | Jan 1993 – Aug 2015 |
| Brass Monkey State Unit O-10-49444 | U.S. Energy Development Corp only | Phantom (Wolfcamp) | Reeves | 8 | 564K | 1.82M | Nov 2017 – Apr 2026 |