| University 2-58 O-9-21377 | Sem Operating Company LLC only | Lin (Wolfcamp) | Reagan | 16 | 2.91M | 9.84M | Jul 2021 – Aug 2026 |
| Amacker-Tippett "a" Pool Unit O-9-12591 | Civitas Permian Operating, LLC only | Amacker-Tippett, Sw.(wolfcamp A) | Upton | 11 | 2.85M | 28.1M | by Jan 1993 – Aug 2026 |
| Divide Draw O-9-17878 | Discovery Natural Resources LLC only | Spraberry (Trend Area) | Reagan | 49 | 2.85M | 18.4M | Mar 2012 – Jul 2026 |
| Amacker, V. T. 77 O-9-8676 | Civitas Permian Operating, LLC only | Amacker-Tippet, SW (9100) | Upton | 3 | 2.76M | 7.94M | by Jan 1993 – Aug 2026 |
| Burnett, S. B. Estate "D" O-11-60638 | High River Res Operating, LLC only | Captain Burk (Strawn Reef) | King | 33 | 2.75M | 172K | by Jan 1993 – Aug 2026 |
| University 10 O-9-20685 | Permian Resources Operating, LLC only | Spraberry (Trend Area) R 40 Exc | Reagan | 34 | 2.7M | 10M | Mar 2020 – Aug 2026 |
| University 3-310 PU O-9-19544 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Upton | 6 | 2.64M | 5.08M | Mar 2017 – Aug 2026 |
| Holt Ranch O-10-41097 | Ovintiv USA Inc. only | Spraberry (Trend Area) | Martin | 45 | 2.63M | 8.47M | Apr 2011 – Aug 2026 |
| Tunis Creek Univ. Lands Unit O-10-29971 | Basin Oil & Gas Operating, LLC only | Tunis Creek(devonian) | Pecos | 20 | 2.57M | 2.16M | by Jan 1993 – Aug 2026 |
| University 2A O-9-18411 | Sem Operating Company LLC only | Lin (Wolfcamp) | Reagan | 13 | 2.53M | 8.93M | Nov 2013 – Aug 2026 |
| Rivers Unit 2 O-10-56528 | XTO Energy Inc. only | Spraberry (Trend Area) | Martin | 8 | 2.52M | 5.29M | Jan 2022 – Aug 2026 |
| Oliver D O-2-11107 | Devon Energy Production Co, L.P. only | Eagleville (Eagle Ford-2) | De Witt | 6 | 2.5M | 5.36M | Dec 2015 – Aug 2026 |
| JJ Henry Unit IV O-1-16598 | Ineos USA Oil & Gas LLC only | Eagleville (Eagle Ford-1) | McMullen | 8 | 2.5M | 3.96M | Mar 2013 – Aug 2026 |
| Midkiff O-10-38763 | Ovintiv USA Inc. only | Spraberry (Trend Area) | Midland | 29 | 2.49M | 6.74M | Apr 2008 – Aug 2026 |
| Texas Consolidated #1 O-10-7060 | Ring Energy, Inc. only | University Waddell (Devonian) | Crane | 28 | 2.48M | 2.8M | by Jan 1993 – Aug 2026 |
| Rivers Unit 1 O-10-56575 | XTO Energy Inc. only | Spraberry (Trend Area) | Martin | 8 | 2.48M | 4.75M | Jan 2022 – Aug 2026 |
| University 43 O-9-17569 | Sem Operating Company LLC only | Lin (Wolfcamp) | Irion | 30 | 2.41M | 41.2M | Jan 2011 – Aug 2026 |
| University 38-40 O-9-19775 | Sem Operating Company LLC only | Lin (Wolfcamp) | Irion | 14 | 2.37M | 27.1M | Dec 2017 – Aug 2026 |
| Southwest River Unit O-8-25630 | Kinder Morgan Production Co LLC only | Katz | Stonewall | 50 | 2.35M | 329K | by Jan 1993 – Oct 2009 |
| Bivins Ranch O-14-6832 | P.o.&g. Operating, LLC only | Ert (Pennsylvanian) | Potter | 23 | 2.28M | 470K | by Jan 1993 – Aug 2026 |
| West Brantley Jackson SM. Unit O-5-1949 | Sulphur River Exploration, Inc. only | Brantley Jackson, W (Smackover) | Hopkins | 13 | 2.26M | 1.9M | by Jan 1993 – Aug 2026 |
| Bivins East O-14-9336 | Presidio Petroleum LLC only | Bivins Lit (Canyon Lime) | Potter | 13 | 2.24M | 21.3M | Apr 2014 – Aug 2026 |
| University 27-34 O-9-18756 | Sem Operating Company LLC only | Lin (Wolfcamp) | Reagan | 13 | 2.23M | 6.62M | Dec 2014 – Aug 2026 |
| University Red O-9-19165 | Zarvona Energy LLC only | Spraberry (Trend Area) | Upton | 12 | 2.2M | 4.54M | Oct 2015 – Aug 2026 |
| Brantley Jackson Smackover Unit O-5-1887 | Sulphur River Exploration, Inc. only | Brantley Jackson (Smackover) | Hopkins | 16 | 2.19M | 2.97M | by Jan 1993 – Aug 2026 |
| Eddie R Scott O-10-45762 | Civitas Permian Operating, LLC only | Phantom (Wolfcamp) | Loving | 10 | 2.19M | 4.43M | Mar 2014 – Aug 2026 |
| University Waddell Devonian Unit O-10-20692 | Formentera Operations LLC only | University Waddell (Devonian) | Crane | 41 | 2.19M | 3.9M | by Jan 1993 – Aug 2026 |
| Valentine 254A O-10-64790 | Ovintiv USA Inc. only | Spraberry (Trend Area) | Martin | 11 | 2.14M | 3.24M | May 2025 – Aug 2026 |
| Oliver C O-2-9905 | Devon Energy Production Co, L.P. only | Eagleville (Eagle Ford-2) | De Witt | 5 | 2.12M | 4.33M | Jan 2011 – Aug 2026 |
| University 3-35 O-9-19064 | Civitas Permian Operating, LLC only | Spraberry (Trend Area) | Upton | 9 | 2.1M | 5.53M | Jul 2015 – Aug 2026 |
| University BLK 21 O-10-45128 | XTO Energy Inc. only | Two Georges (Bone Spring) | Winkler | 6 | 2.09M | 2.85M | Jul 2013 – Aug 2026 |
| Tito's 31-42 O-10-53115 | Ovintiv USA Inc. only | Spraberry (Trend Area) | Martin | 7 | 2.09M | 3.54M | Jul 2019 – Aug 2026 |
| University 10 O-9-17844 | Permian Resources Operating, LLC only | Lin (Wolfcamp) | Reagan | 36 | 2.08M | 4.6M | Mar 2012 – Feb 2020 |
| Christine (Spraberry) Unit O-11-66847 | Hibernia Resources IV, LLC only | Ackerly, North Spraberry | Dawson | 30 | 2.07M | 333K | by Jan 1993 – Aug 2026 |
| Neal 39A O-9-20469 | Ovintiv USA Inc. only | Spraberry (Trend Area) | Upton | 6 | 2.05M | 5.18M | Jan 2020 – Aug 2026 |
| University 8-10W O-10-59267 | Ovintiv USA Inc. only | Spraberry (Trend Area) | Andrews | 8 | 2.04M | 3.41M | Jan 2023 – Aug 2026 |
| University "AU" O-10-33605 | Crescent Energy Operating, LLC only | Fullerton (8500) | Andrews | 7 | 2.01M | 2.41M | by Jan 1993 – Aug 2026 |
| River Ranch -a-/Williams State U O-2-9301 | T-C Oil Company, LLC only | Anaqua (3100) | Refugio | 12 | 2M | 533K | Nov 2008 – Aug 2026 |
| Scott Unit 0916 O-10-52002 | Ovintiv USA Inc. only | Spraberry (Trend Area) | Howard | 4 | 1.98M | 4.3M | Nov 2018 – Aug 2026 |
| University "10-1" O-9-16484 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Reagan | 12 | 1.96M | 6.66M | Jun 2007 – Aug 2026 |
| Sivells Bend Unit O-13-27021 | SNR Operating, LLC only | Sivells Bend | Cooke | 29 | 1.96M | 64.5K | by Jan 1993 – Jul 2026 |
| Davidson 34B O-9-22801 | Ovintiv USA Inc. only | Spraberry (Trend Area) | Upton | 4 | 1.92M | 4.66M | Apr 2024 – Aug 2026 |
| Powell 26E O-9-19902 | Ovintiv USA Inc. only | Spraberry (Trend Area) | Upton | 6 | 1.91M | 6.22M | Dec 2017 – Aug 2026 |
| University B21 5 O-10-47510 | Mewbourne Oil Company only | Phantom (Wolfcamp) | Winkler | 4 | 1.91M | 1.9M | Jan 2016 – Aug 2026 |
| Powell, Kenneth L. Estate O-14-5946 | High River Res Operating, LLC only | Lathem (Canyon Granite Wash) | Hartley | 3 | 1.88M | 22 | by Jan 1993 – Aug 2026 |
| Frio River Ranch O-1-16868 | Ineos USA Oil & Gas LLC only | Eagleville (Eagle Ford-1) | McMullen | 9 | 1.85M | 3.33M | Aug 2013 – Aug 2026 |
| Jonah Unit 0916 O-10-52734 | Ovintiv USA Inc. only | Spraberry (Trend Area) | Howard | 4 | 1.84M | 5.13M | May 2019 – Aug 2026 |
| SE Share Upper Morrow Unit O-14-7154 | High River Res Operating, LLC only | Share, SE. (Morrow, Upper) | Ochiltree | 38 | 1.82M | 218K | Feb 1997 – Aug 2026 |
| University 10-3 O-9-20141 | Civitas Permian Operating, LLC only | Spraberry (Trend Area) | Upton | 8 | 1.81M | 4.08M | Dec 2018 – Aug 2026 |
| University 38 O-10-36923 | Ovintiv USA Inc. only | Satellite (Devonian) | Andrews | 1 | 1.78M | 330K | May 2002 – Aug 2026 |