| Midnight Matador 12-24 C O-10-56594 | Birch Operations, Inc. only | Spraberry (Trend Area) | Martin | 3 | 1M | 2.99M | Aug 2021 – Aug 2026 |
| Bingham Unit A O-2-10156 | Burlington Resources O & G Co LP only | Eagleville (Eagle Ford-2) | Karnes | 2 | 1M | 1.47M | Aug 2012 – Aug 2026 |
| Phillips-Hodnett Unit O-10-47858 | Diamondback E&P LLC only | Spraberry (Trend Area) | Howard | 3 | 1M | 2.31M | Jun 2016 – Aug 2026 |
| Culpepper Unit A O-2-10168 | Burlington Resources O & G Co LP only | Eagleville (Eagle Ford-2) | De Witt | 2 | 1M | 2.65M | Sep 2012 – Jul 2026 |
| Briggs Ranch O-1-15446 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 8 | 1M | 5.69M | Jun 2011 – Aug 2026 |
| Rio Guadalupe 22-23 F O-10-56441 | Diamondback E&P LLC only | Spraberry (Trend Area) | Midland | 3 | 1M | 2.26M | Feb 2022 – Aug 2026 |
| Fasken H 16-21 O-10-49449 | Endeavor Energy Resources L.P. only | Spraberry (Trend Area) R 40 Exc | Midland | 2 | 1M | 1.64M | Oct 2017 – Oct 2022 |
| University West O-9-19763 | RRP Operating LLC only | Lin (Wolfcamp) | Reagan | 9 | 1M | 1.58M | Sep 2017 – Aug 2026 |
| Open Range 28-29 D O-10-59448 | Diamondback E&P LLC only | Spraberry (Trend Area) | Martin | 3 | 1M | 2.26M | Oct 2023 – Aug 2026 |
| Foster 4344 O-10-50598 | Civitas Permian Operating, LLC only | Spraberry (Trend Area) | Glasscock | 5 | 1M | 2.78M | Aug 2017 – Aug 2026 |
| Foster 8 O-10-37284 | OXY USA WTP LP only | Cowden, South (Canyon 8790) | Ector | 3 | 999K | 911K | Feb 2004 – Aug 2026 |
| G.W. O'Brien et Al O-10-55583 | Bosque Texas Oil LLC only | Ruppel (Woodford) | Ward | 4 | 999K | 3.86M | May 2019 – Aug 2026 |
| Frances 12-1-H O-10-54683 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Martin | 2 | 999K | 1.94M | Aug 2019 – Aug 2026 |
| O' Daniel Ranch 3-10 ''a'' Unit O-10-53965 | Highpeak Energy Holdings, LLC only | Spraberry (Trend Area) | Howard | 6 | 999K | 1.3M | Feb 2020 – Aug 2026 |
| Mabee 318T O-10-54906 | Ovintiv USA Inc. only | Spraberry (Trend Area) | Martin | 4 | 999K | 3.67M | May 2020 – Aug 2026 |
| Toot 'N Totum 18-TTT-C24 NL SA O-10-52819 | Matador Production Company only | Phantom (Wolfcamp) | Loving | 1 | 998K | 1.76M | Sep 2019 – Aug 2026 |
| Wright Ranch O-1-15655 | Texas American Resources Company only | Eagleville (Eagle Ford-1) | La Salle | 10 | 998K | 1.49M | Oct 2011 – Aug 2026 |
| Northeast Ackerly Dean Unit O-11-61609 | Texland Petroleum, L.P. only | Ackerly (Dean Sand) | Dawson | 24 | 998K | 305K | by Jan 1993 – Aug 2026 |
| Rancho Grande Trust Unit No. 1 O-2-11207 | Marathon Oil EF LLC only | Sugarkane (Eagle Ford) | Karnes | 12 | 998K | 3.57M | Sep 2014 – Aug 2026 |
| Selzer Unit O-1-18037 | EOG Resources, Inc. only | Eagleville (Eagle Ford-1) | Gonzales | 5 | 998K | 758K | Sep 2014 – Aug 2026 |
| Heard Bower Central Unit O-1-15822 | Marathon Oil EF LLC only | Eagleville (Eagle Ford-1) | Atascosa | 7 | 998K | 1.36M | Sep 2011 – Aug 2026 |
| Foster, W. L. #5 O-10-2911 | Bce-Mach III LLC only | Iatan, East Howard | Mitchell | 29 | 998K | 165K | by Jan 1993 – Aug 2026 |
| University 9-31 O-9-20684 | Permian Resources Operating, LLC only | Spraberry (Trend Area) R 40 Exc | Reagan | 13 | 997K | 3.52M | Mar 2020 – Aug 2026 |
| Brook N-13D O-9-20273 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) R 40 Exc | Upton | 2 | 997K | 2.84M | Aug 2018 – Aug 2026 |
| Foster, Mary Acct. #2 O-10-12160 | Basa Resources, Inc. only | Iatan (San Andres) | Mitchell | 74 | 997K | 142K | by Jan 1993 – Aug 2026 |
| KM South Zav O-1-17123 | Exco Operating Company, LP only | Briscoe Ranch (Eagleford) | Zavala | 4 | 997K | 521K | Sep 2013 – Aug 2026 |
| Bateman Unit A O-2-10345 | Burlington Resources O & G Co LP only | Eagleville (Eagle Ford-2) | Live Oak | 6 | 996K | 5.08M | Mar 2013 – Aug 2026 |
| Annie Oakley SB 4231A O-10-63018 | Civitas Permian Operating, LLC only | Spraberry (Trend Area) | Martin | 4 | 996K | 1.53M | May 2025 – Aug 2026 |
| El Rey 28-16 O-10-62721 | Diamondback E&P LLC only | Spraberry (Trend Area) | Howard | 5 | 995K | 591K | May 2025 – Aug 2026 |
| West Turkey Track O-14-6708 | Plains Exploration & Prod. Co. only | Arrington, West (Hunton) | Hutchinson | 12 | 995K | 39.8K | by Jan 1993 – Apr 2011 |
| Blacktip Johnson 1-39 O-10-39856 | Anadarko E&P Onshore LLC only | Phantom (Wolfcamp) | Ward | 3 | 995K | 1.85M | Mar 2010 – Aug 2026 |
| Yamaha Pacifica O-10-57615 | Oxyrock Operating, LLC only | Spraberry (Trend Area) | Howard | 5 | 995K | 2.84M | Jul 2022 – Aug 2026 |
| Boydell South Unit O-10-40861 | Texland Petroleum, L.P. only | Boydell, S. (Clear Fork, Lo.) | Andrews | 31 | 995K | 506K | Aug 2011 – Aug 2026 |
| Kas Unit South O-2-9635 | Murphy Expl. & Prod. Co. - USA only | Eagleville (Eagle Ford-2) | Karnes | 3 | 995K | 949K | Sep 2011 – Aug 2026 |
| Willingham A O-10-54260 | Walsh & Watts, Inc. only | Garden City, S. (Wolfcamp) | Scurry | 3 | 995K | 2.59M | Jan 2020 – Aug 2026 |
| Lee -C- O-7-6382 | Basa Resources, Inc. only | East Texas | Gregg | 10 | 994K | 432K | by Jan 1993 – Aug 2026 |
| Sumner, Frances O-13-22333 | Waggoner Operating, L.L.C. only | Wilbarger County (Special) | Wilbarger | 214 | 994K | 1.01M | by Jan 1993 – Aug 2026 |
| Stair, O. F. O-1-1105 | Texas Petroleum Investment Co. only | Luling-Branyon | Caldwell | 30 | 994K | 40.4K | by Jan 1993 – Aug 2026 |
| Millett a Unit O-1-18713 | Javelin Energy Partners Mgmt LLC only | Eagleville (Eagle Ford-1) | La Salle | 7 | 993K | 1.9M | Sep 2016 – Aug 2026 |
| J.V. Wilson 146 O-10-43361 | Manti Tarka Permian OP, LLC only | Phantom (Wolfcamp) | Ward | 5 | 993K | 1.53M | Aug 2012 – Aug 2026 |
| North-Wright O-11-3894 | Walkabout Operating, LLC only | Levelland | Cochran | 77 | 993K | 126K | by Jan 1993 – Aug 2026 |
| May Girls O-1-16413 | Marathon Oil EF LLC only | Eagleville (Eagle Ford-1) | Atascosa | 5 | 993K | 1.08M | Jan 2013 – Aug 2026 |
| Munson O-9-17584 | Sem Operating Company LLC only | Lin (Wolfcamp) | Irion | 9 | 993K | 17.5M | Mar 2011 – Aug 2026 |
| WTH 20-8 C O-10-59679 | Diamondback E&P LLC only | Spraberry (Trend Area) | Glasscock | 3 | 993K | 4.3M | Jan 2024 – Aug 2026 |
| June West A O-10-60722 | Apache Corporation only | Spraberry (Trend Area) | Midland | 4 | 992K | 1.9M | Apr 2024 – Aug 2026 |
| Purser Unit A O-2-10544 | Burlington Resources O & G Co LP only | Eagleville (Eagle Ford-2) | Live Oak | 5 | 992K | 2.56M | Aug 2013 – Aug 2026 |
| Marrs Bauerle Unit O-1-20249 | Ageron Energy, LLC only | Briscoe Ranch (Eagleford) | Frio | 5 | 992K | 2.59M | Nov 2020 – Aug 2026 |
| UL Fourth of July 15-22 W O-10-60396 | WPX Energy Permian, LLC only | Phantom (Wolfcamp) | Winkler | 4 | 992K | 1.43M | Oct 2023 – Aug 2026 |
| BRD Camden 23/12 E O-10-49562 | Chevron U. S. A. Inc. only | Spraberry (Trend Area) | Midland | 2 | 992K | 3.06M | Mar 2018 – Aug 2026 |
| Monarch O-1-21326 | Rosewood Resources, Inc. only | Briscoe Ranch (Eagleford) | Dimmit | 7 | 992K | 1.14M | Nov 2023 – Aug 2026 |