| Pena Creek Unit O-1-6557 | Atlas Operating LLC only | Pena Creek (San Miguel 3RD) | Dimmit | 157 | 1.28M | 105K | Jan 1993 – Jul 2026 |
| Brook N-13R O-9-20046 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) R 40 Exc | Upton | 2 | 932K | 2.36M | Apr 2018 – Jul 2026 |
| South Pena Creek Unit O-1-10690 | Atlas Operating LLC only | Pena Creek (San Miguel 3RD) | Dimmit | 86 | 821K | 41.2K | Jan 1993 – Jul 2026 |
| Burnett, S. B. Estate "WA" O-11-64912 | High River Res Operating, LLC only | Wm (3RD. Tannehill) | King | 3 | 509K | 30.8K | Jan 1993 – Jul 2026 |
| East Pena Creek Unit O-1-4317 | Atlas Operating LLC only | Pena Creek (San Miguel 3RD) | Dimmit | 55 | 500K | 70.6K | Jan 1993 – Jul 2026 |
| Ray-OXY W43R O-10-61014 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 356K | 440K | Dec 2023 – Jul 2026 |
| Bennett, J. M. O-4-11778 | Hughes, Dan A. Company, L.P. only | Bennett Ranch (3RD Cook Mtn.) | Duval | 14 | 231K | 545K | Jan 1993 – Jul 2026 |
| Jones, Truett O-11-67680 | 3R Operating , LLC only | Spivey (San Andres) | Yoakum | 3 | 228K | 0 | Jan 1997 – Jul 2026 |
| Jones, Truett O-11-67604 | 3R Operating , LLC only | Padgett (Devonian) | Yoakum | 1 | 202K | 0 | Aug 1996 – Jul 2026 |
| Cassandra O-3-25125 | 84 Energy LLC only | Call, S. (Yegua 3RD) | Newton | 1 | 168K | 99.2K | Dec 2007 – Jul 2026 |
| Benavides, Brennan O-4-10723 | Wallis Energy, Inc. only | Longloria (3RD Queen City) | Duval | 2 | 163K | 537K | Jan 1993 – Jul 2026 |
| Hamilton,m.j.(hildreth 3RD.CON.U O-13-17400 | Bah-Pepper Operating, LLC only | Hildreth | — | 1 | 148K | 21 | Jan 1993 – Jul 2026 |
| Stanaland Ranch 3R O-8-26352 | M. E. Operating & Services, Inc. only | Jayton, E. (Tannehill) | Stonewall | 1 | 101K | 31 | Jan 1993 – Jul 2026 |
| Bray O-1-19950 | Jonah Energy LLC only | Pena Creek (San Miguel 3RD) | Dimmit | 1 | 98.6K | 160K | Oct 2019 – Jul 2026 |
| Covert A O-1-19881 | Jonah Energy LLC only | Pena Creek (San Miguel 3RD) | Dimmit | 1 | 94.7K | 179K | Jul 2019 – Jul 2026 |
| Fooshee, J. A. O-13-13359 | O'Neal Oil Company only | Sanders (Caddo Congl. 3RD, Up.) | — | 1 | 60.4K | 21 | Jan 1993 – Jul 2026 |
| Tarrant "A" O-13-29573 | Large Operating LLC only | Jupiter (Conglomerate 3RD) | Jack | 2 | 60.1K | 304K | Oct 1998 – Jul 2026 |
| Driscoll Foundation O-4-11800 | Home Petroleum Corp. only | Bennett Ranch (3RD Cook Mtn.) | Duval | 4 | 57K | 75.6K | Jan 1993 – Jul 2026 |
| Covert O-1-19917 | Jonah Energy LLC only | Pena Creek (San Miguel 3RD) | Dimmit | 1 | 55.2K | 67.4K | Jul 2019 – Jul 2026 |
| Drought, Ann G. O-1-4324 | Imperator Operating, LLC only | Pena Creek (San Miguel 3RD) | Dimmit | 8 | 51.7K | 29.2K | Jan 1993 – Jul 2026 |
| Driscoll Foundation "B" O-4-11979 | Vision Oil and Gas LLC only | Bennett Ranch (3RD Cook Mtn.) | Duval | 3 | 50.2K | 12K | Jan 1993 – Jul 2026 |
| Stella Penn O-1-17950 | Varas Energy Operating Company, only | Hostetter, N. (Gov't. WELLS,3RD) | McMullen | 1 | 44K | 113K | Jan 2014 – Jul 2026 |
| Bray, Ealen O-1-4268 | Imperator Operating, LLC only | Pena Creek (San Miguel 3RD) | — | 6 | 36.8K | 23.8K | Jan 1993 – Jul 2026 |
| Donald O-13-4402 | Allen, C. L. (Doie) only | Bowie, SW (Conglomerate 3RD) | — | 1 | 28.3K | 438K | Jan 1993 – Jul 2026 |
| Lerner, M. C. O-13-4651 | Lamco Oil, LLC only | Lerner (Conglomerate 3RD) | Montague | 1 | 24.5K | 48 | Jan 1993 – Jan 2016 |
| Halsell O-1-19794 | Jonah Energy LLC only | Pena Creek (San Miguel 3RD) | Dimmit | 1 | 24.2K | 6.13K | Sep 2017 – Jul 2026 |
| Groce, J. G. et AL O-1-4323 | Imperator Operating, LLC only | Pena Creek (San Miguel 3RD) | Dimmit | 3 | 20.2K | 575 | Jan 1993 – Jul 2026 |
| Durham "B" O-13-28382 | Peterson Oil and Gas LLC only | Jupiter (Conglomerate 3RD) | Jack | 1 | 19.4K | 262K | Jan 1993 – Jul 2026 |
| Brady, T. H. O-1-4335 | Imperator Operating, LLC only | Pena Creek (San Miguel 3RD) | — | 3 | 19.4K | 4.44K | Jan 1993 – Jul 2026 |
| Gruy O-4-11822 | Hughes, Dan A. Company only | Bennett Ranch (3RD Cook Mtn.) | Duval | 3 | 18.8K | 10.5K | Jan 1993 – Jan 2004 |
| Driscoll Foundation O-4-11826 | Vision Oil and Gas LLC only | Bennett Ranch (3RD Cook Mtn.) | Duval | 1 | 17.8K | 6.72K | Jan 1993 – Jul 2026 |
| Hubberd, William "D" O-4-11929 | Alacia Operating Company only | Loma Novia ( 3RD Sand) | Duval | 2 | 17.1K | 98 | Jan 1993 – Jul 2026 |
| Johnson, Andrew O-1-4356 | Hamilton, Clay only | Pena Creek (San Miguel 3RD) | — | 1 | 15.9K | 4.83K | Jan 1993 – Jan 2026 |
| Kothman -C- O-1-4410 | Hamilton, Clay only | Pena Creek (San Miguel 3RD) | — | 1 | 15.8K | 2.4K | Jan 1993 – Mar 2021 |
| Bishop Cattle Co. O-4-14179 | Hilcorp Energy Company only | Loma Novia ( 3RD Sand) | Duval | 2 | 14.3K | 0 | Mar 2022 – Jul 2026 |
| Brady, T. H. Estate O-1-4441 | Imperator Operating, LLC only | Pena Creek (San Miguel 3RD) | — | 4 | 14K | 0 | Jan 1993 – Jul 2026 |
| University 3R O-10-46193 | Ring Energy, Inc. only | Shafter Lake (Clear Fork) | Andrews | 1 | 13.8K | 0 | Dec 2014 – Oct 2023 |
| Mayflower Investment Co. O-1-4321 | Imperator Operating, LLC only | Pena Creek (San Miguel 3RD) | — | 5 | 12.8K | 329 | Jan 1993 – Jul 2026 |
| Jackson O-1-14001 | Hamilton, Clay only | Pena Creek (San Miguel 3RD) | Dimmit | 1 | 11.2K | 4.44K | Oct 1995 – Aug 2016 |
| Pigg-Crespi 33R O-10-64792 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 10.9K | 14.1K | Nov 2025 – Jul 2026 |
| Campbell O-3-10642 | Weatherby Energy, LLC only | Muscadine (Wilcox 3RD) | — | 1 | 10.5K | 56 | Jan 1993 – Jul 2026 |
| Covert State O-1-20219 | Jonah Energy LLC only | Pena Creek (San Miguel 3RD) | Dimmit | 1 | 10.4K | 90.2K | Feb 2020 – Jul 2026 |
| Morrow, Viola O-1-12932 | Sellers Lease Service, Inc. only | William Harry (Cockrill SD.3RD) | Gonzales | 1 | 8.65K | 62 | Jan 1993 – Oct 2001 |
| Box, W. a "B" O-13-25957 | Penny, Ralph E. only | Bowie, SW (Conglomerate 3RD) | Montague | 1 | 8.59K | 145K | Jan 1993 – Oct 2005 |
| Bennett, J. M. "B" O-4-11866 | Hughes, Dan A. Company, L.P. only | Bennett Ranch (3RD Cook Mtn.) | Duval | 1 | 7.51K | 7.78K | Jan 1993 – Jul 2026 |
| Cherryhomes "D" O-13-27509 | Spade Energy L.L.C. only | Jupiter (Conglomerate 3RD) | Jack | 1 | 7.25K | 133K | Jan 1993 – Jul 2026 |
| Westheimer O-3-23006 | Marwell Petroleum, Inc. only | McCrary (3RD Yegua) | Fort Bend | 1 | 6.28K | 128 | Jun 1996 – Nov 2004 |
| Hahl, C. W. O-4-4571 | Hilcorp Energy Company only | Loma Novia ( 3RD Sand) | — | 1 | 6.03K | 110 | Jan 1993 – Jul 2026 |
| Ashe Bcde O-13-29968 | Big Mountain Operating LLC only | Jupiter (Conglomerate 3RD) | Wise | 2 | 5.87K | 177K | May 2001 – Nov 2021 |
| Cartwright Ranch O-2-10672 | Royal Production Company, Inc. only | Holman (Hockley 3RD) | Live Oak | 1 | 5.14K | 0 | Aug 2013 – Sep 2020 |