| Goldsmith Andector Unit O-10-21193 | Maverick Permian LLC only | Goldsmith (Clear Fork) | Ector | 625 | 14.3M | 162M | Jan 1993 – Jul 2026 |
| Burns Ranch A O-1-15361 | Texas American Resources Company only | Briscoe Ranch (Eagleford) | La Salle | 63 | 11M | 15.6M | Nov 2010 – Jul 2026 |
| Rice University O-2-9742 | Burlington Resources O & G Co LP only | Eagleville (Eagle Ford-2) | De Witt | 18 | 8.52M | 21.6M | Feb 2011 – Jul 2026 |
| University Andrews O-10-1270 | Maverick Permian LLC only | Embar (Permian) | Andrews | 216 | 8.03M | 77.6M | Jan 1993 – Jul 2026 |
| Branex/American O-11-66731 | Texland Petroleum, L.P. only | Stockyard (Clearfork, Upper) | Gaines | 27 | 5.54M | 669K | Jan 1993 – Jul 2026 |
| Cowden, Clyde O-10-38628 | Maverick Permian LLC only | Goldsmith (Clear Fork) | Ector | 174 | 4.78M | 7.86M | Nov 2006 – Jul 2026 |
| South Fault Block Unit O-10-27818 | Maverick Permian LLC only | Andector (Ellenburger) | Ector | 45 | 4.13M | 3.32M | Jan 1993 – Jul 2026 |
| Patricia Unit 1 O-10-49155 | XTO Energy Inc. only | Spraberry (Trend Area) | Martin | 13 | 4.04M | 9.91M | May 2017 – Jul 2026 |
| Arick-Hooper Unit O-10-53496 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 15 | 4.02M | 14.6M | Oct 2019 – Jul 2026 |
| American Republics "A" O-9-17161 | COG Operating LLC only | Pegasus (Consolidated) | Upton | 16 | 3.87M | 14.8M | May 2010 – Jul 2026 |
| Coleman Ranch Unit O-10-23672 | Americo Energy Resources, LLC only | Coleman Ranch | Mitchell | 145 | 3.81M | 126K | Jan 1993 – Jul 2026 |
| Merrick Unit 2 O-10-50159 | XTO Energy Inc. only | Spraberry (Trend Area) | Martin | 11 | 3.29M | 11.7M | Feb 2018 – Jul 2026 |
| Price-Thomas O-11-63563 | Aviator Energy, LLC only | Forbes (Glorieta) | Crosby | 64 | 3.11M | 282K | Jan 1993 – Jul 2026 |
| Maverick O-10-49333 | SM Energy Company only | Spraberry (Trend Area) | Howard | 13 | 3.07M | 9.06M | Sep 2017 – Jul 2026 |
| Merrick Unit 1 O-10-48012 | XTO Energy Inc. only | Spraberry (Trend Area) | Martin | 7 | 3M | 5.52M | May 2016 – Jul 2026 |
| Jennifer (Queen) Unit O-10-32616 | Richland Resources Corporation only | Concho Bluff, North (Queen) | Ector | 58 | 2.89M | 21 | Jan 1993 – Jul 2026 |
| Priceless C26-1 Unit D O-10-48662 | Anadarko E&P Onshore LLC only | Phantom (Wolfcamp) | Loving | 4 | 2.67M | 3.71M | Dec 2016 – Jul 2026 |
| Burns Ranch O-1-18854 | Texas American Resources Company only | Eagleville (Eagle Ford-1) | La Salle | 21 | 2.6M | 3.92M | Jul 2016 – Jul 2026 |
| Patricia Unit 2 O-10-49653 | XTO Energy Inc. only | Spraberry (Trend Area) | Martin | 14 | 2.6M | 9.02M | Jul 2017 – Jul 2026 |
| Embar -B- O-10-1269 | Maverick Permian LLC only | Embar (Permian) | Andrews | 66 | 2.52M | 33.4M | Jan 1993 – Jul 2026 |
| Priceless C26-1 Unit C O-10-54617 | Anadarko E&P Onshore LLC only | Phantom (Wolfcamp) | Loving | 5 | 2.48M | 3.97M | May 2019 – Jul 2026 |
| Richter a Unit O-2-10536 | Devon Energy Production Co, L.P. only | Eagleville (Eagle Ford-2) | Karnes | 11 | 2.2M | 4.65M | May 2012 – Jul 2026 |
| Maverick Unit O-2-10867 | EOG Resources, Inc. only | Eagleville (Eagle Ford-2) | Karnes | 6 | 2.14M | 3.2M | Jun 2014 – Jul 2026 |
| Richter South Unit O-2-10676 | Devon Energy Production Co, L.P. only | Eagleville (Eagle Ford-2) | Karnes | 7 | 2.08M | 4.02M | Sep 2013 – Jul 2026 |
| Ulrich B O-2-10036 | Devon Energy Production Co, L.P. only | Eagleville (Eagle Ford-2) | De Witt | 5 | 2.08M | 6.17M | May 2011 – Jul 2026 |
| Big Foot Olmos B Sand Unit O-1-3380 | Maverick Energy Group, Inc. only | Big Foot | Frio | 470 | 2.04M | 474K | Jan 1993 – Jul 2026 |
| Block 11 Devonian Unit O-10-20149 | Maverick Permian LLC only | Block 11 (Devonian) | Andrews | 48 | 1.66M | 1.05M | Jan 1993 – Jul 2026 |
| Kirkpatrick O-11-66204 | McClure Oil Company, Inc. only | Rocker -a- (Wichita Albany) | Garza | 10 | 1.63M | 357K | Jan 1993 – Jul 2026 |
| Ricochet 29-40 Unit O-10-47897 | Anadarko E&P Onshore LLC only | Phantom (Wolfcamp) | Loving | 2 | 1.56M | 2.63M | Mar 2016 – Jul 2026 |
| Richardson Unit O-11-4610 | Cholla Petroleum, Inc. only | P. H. D. | Garza | 26 | 1.51M | 261K | Jan 1993 – Jan 2026 |
| Electric Unit a 23-22 O-10-59260 | Surge Operating, LLC only | Spraberry (Trend Area) | Howard | 6 | 1.51M | 2.53M | Jan 2023 – Jul 2026 |
| Cole O-10-48686 | Maverick Permian LLC only | Andector (Wichita Albany) | Ector | 7 | 1.5M | 5.82M | May 2017 – Jul 2026 |
| Embar O-10-46261 | Maverick Permian LLC only | Andector (Wichita Albany) | Ector | 7 | 1.33M | 9.13M | Apr 2014 – Jul 2026 |
| Henrichson Unit H Dim O-1-16510 | Ineos USA Oil & Gas LLC only | Briscoe Ranch (Eagleford) | Dimmit | 5 | 1.33M | 2.42M | Jul 2012 – Jul 2026 |
| Worker Bee D O-10-38670 | Maverick Permian LLC only | Embar (Devonian) | Ector | 3 | 1.32M | 7.24M | Nov 2007 – Jul 2026 |
| Frank -B- O-10-36889 | Maverick Permian LLC only | Goldsmith (Clear Fork) | Ector | 19 | 1.27M | 7.61M | Jun 2002 – Jul 2026 |
| Electric Unit B 23-22 O-10-58885 | Surge Operating, LLC only | Spraberry (Trend Area) | Howard | 6 | 1.25M | 2.19M | Jul 2022 – Jul 2026 |
| Black Stone G O-3-24192 | IV Standard, LLC only | Patricia Ray (1ST Yegua) | Polk | 8 | 1.24M | 432K | May 2002 – Jul 2026 |
| N. Wasson Unit O-11-69458 | Warren American Oil Company, LLC only | Wasson | Yoakum | 38 | 1.19M | 576K | Jan 2010 – Jul 2026 |
| Erica O-10-39031 | Diamondback E&P LLC only | Sallie Ann (Spraberry-Wolfcamp) | Ector | 10 | 1.14M | 4.4M | May 2008 – Jul 2026 |
| Mar Ranch O-1-19005 | Texas American Resources Company only | Eagleville (Eagle Ford-1) | Atascosa | 4 | 1.11M | 872K | May 2017 – Jul 2026 |
| Patricia, NE. (Spraberry) Unit O-11-66615 | Prasad, Hari Production Co. only | Patricia, Northeast (Spraberry) | Dawson | 15 | 1.02M | 333K | Jan 1993 – Jul 2026 |
| Harris O-1-18661 | Texas American Resources Company only | Eagleville (Eagle Ford-1) | Atascosa | 8 | 1.01M | 966K | Sep 2015 – Jul 2026 |
| Wright Ranch O-1-15655 | Texas American Resources Company only | Eagleville (Eagle Ford-1) | La Salle | 10 | 993K | 1.48M | Oct 2011 – Jul 2026 |
| Frank -B- O-10-221 | Maverick Permian LLC only | Andector (Ellenburger) | Ector | 12 | 971K | 1.26M | Jan 1993 – Jul 2026 |
| Richter North Unit O-2-10047 | Devon Energy Production Co, L.P. only | Eagleville (Eagle Ford-2) | Karnes | 5 | 956K | 1.62M | May 2012 – Jul 2026 |
| Burns Ranch T O-1-19610 | Texas American Resources Company only | Briscoe Ranch (Eagleford) | La Salle | 14 | 955K | 1.97M | Dec 2018 – Jul 2026 |
| Guitar Estate -B- O-10-31757 | Americo Energy Resources, LLC only | Zebulon | Howard | 4 | 944K | 60.9K | Jan 1993 – Jul 2026 |
| Seal-Lehman B Unit O-1-17049 | Texas American Resources Company only | Eagleville (Eagle Ford-1) | La Salle | 4 | 941K | 1.11M | May 2013 – Jul 2026 |
| Hendrick, Ida, T-88-N O-10-2619 | Hilcorp Energy Company only | Hendrick | Winkler | 10 | 929K | 530K | Jan 1993 – Jul 2026 |