| Humphreys Trust O-14-9181 | Presidio Petroleum LLC only | Lipscomb, S.E. (Cleveland) | Hemphill | 2 | 296K | 5.25M | Sep 2014 – Dec 2018 |
| Mathers-State 172-156 CL EX G-14-283676 | Mmgl Txph, LLC only | Lipscomb, S.E. (Cleveland) | Hemphill | 1 | 283K | 1.28M | Aug 2017 – Apr 2026 |
| Violet 29 HMH G-14-269441 | Unbridled Resources, LLC only | Lipscomb, S.E. (Cleveland) | Hemphill | 1 | 224K | 1.68M | Sep 2012 – Apr 2026 |
| Bill O-14-8450 | Unbridled Resources, LLC only | Feldman (Tonkawa) | Hemphill | 2 | 219K | 797K | Dec 2010 – Apr 2026 |
| Dake 61X14A G-14-287584 | Unbridled Resources, LLC only | Lipscomb, S.E. (Cleveland) | Hemphill | 1 | 217K | 1.13M | Feb 2019 – Apr 2026 |
| Madeline 55-26 G-14-282856 | Presidio Petroleum LLC only | Hemphill (Douglas) | Hemphill | 1 | 214K | 3.09M | Jan 2017 – Apr 2026 |
| Mathers Ranch 1518-158 CL EX G-14-286723 | Mmgl Txph, LLC only | Lipscomb, S.E. (Cleveland) | Hemphill | 1 | 210K | 1.81M | Dec 2018 – Apr 2026 |
| Carr 14 G-14-278397 | Presidio Petroleum LLC only | Buffalo Wallow (Granite Wash) | Hemphill | 1 | 209K | 8.42M | Dec 2014 – Apr 2026 |
| Wright 122 G-14-265977 | Resource Oil and Gas, LLC only | Mathers Ranch (Granite Wash) | Hemphill | 1 | 208K | 6.76M | Jul 2012 – Apr 2026 |
| Lockhart O-14-8896 | Upland Resources LLC only | Feldman (Tonkawa) | Hemphill | 3 | 205K | 2.48M | Nov 2012 – Apr 2026 |
| Humphreys Trust G-14-291308 | Presidio Petroleum LLC only | Lipscomb, S.E. (Cleveland) | Hemphill | 1 | 197K | 5.03M | Feb 2015 – Apr 2026 |
| A. Webb Estate G-14-263947 | Unit Petroleum Company only | Mendota, NW. (Granite Wash) | Hemphill | 1 | 195K | 3.93M | Dec 2010 – Apr 2026 |
| William O-14-8642 | Unbridled Resources, LLC only | Feldman (Tonkawa) | Hemphill | 1 | 191K | 714K | Jul 2011 – Apr 2026 |
| Flowers 'C' G-14-280117 | Presidio Petroleum LLC only | Hemphill (Douglas) | Hemphill | 1 | 183K | 1.12M | Nov 2015 – Apr 2026 |
| Lockhart 10 O-14-8569 | Presidio Petroleum LLC only | Feldman (Tonkawa) | Hemphill | 2 | 183K | 1.47M | Dec 2011 – Apr 2026 |
| Mathers Ranch 1518-157 CL WX G-14-286528 | Mmgl Txph, LLC only | Lipscomb, S.E. (Cleveland) | Hemphill | 1 | 182K | 1.53M | Nov 2018 – Apr 2026 |
| Aitkenhead A O-14-8971 | Mmgl Txph, LLC only | Hemphill (Douglas) | Hemphill | 1 | 182K | 324K | Jun 2013 – Apr 2026 |
| Jones-Amoco O-14-9340 | Presidio Petroleum LLC only | Hemphill (Douglas) | Hemphill | 1 | 181K | 370K | Jul 2015 – Mar 2026 |
| Campbell O-14-7576 | Mmgl Txph, LLC only | Mendota, NW. (Granite Wash) | Hemphill | 2 | 171K | 2.12M | Jun 2005 – Apr 2026 |
| Mathers 131 HMH G-14-267413 | Unbridled Resources, LLC only | Lipscomb, S.E. (Cleveland) | Hemphill | 1 | 171K | 1.16M | Jul 2012 – Apr 2026 |
| Vera Murray 18/65 O-14-9866 | Mewbourne Oil Company only | Lipscomb, S.E. (Cleveland) | Hemphill | 1 | 170K | 662K | Jan 2025 – Apr 2026 |
| Isaacs O-14-9491 | Unit Petroleum Company only | Canadian, SE (Douglas) | Hemphill | 2 | 165K | 762K | Jul 2016 – Apr 2026 |
| Arnold O-14-9299 | Unbridled Resources, LLC only | Feldman (Tonkawa) | Hemphill | 1 | 165K | 353K | Mar 2015 – Apr 2026 |
| War Admiral 8 G-14-281751 | Presidio Petroleum LLC only | Hemphill (Douglas) | Hemphill | 1 | 163K | 566K | Jul 2016 – Apr 2026 |
| Day O-14-8331 | Unbridled Resources, LLC only | Achilles (Tonkawa) | Hemphill | 1 | 162K | 1.58M | Aug 2010 – Apr 2026 |
| Jones O-14-8921 | Upland Resources LLC only | Feldman (Tonkawa) | Hemphill | 2 | 161K | 1.67M | Apr 2013 – Apr 2026 |
| Roach 70 HMH O-14-9002 | Unbridled Resources, LLC only | Achilles (Tonkawa) | Hemphill | 1 | 159K | 921K | Sep 2013 – Apr 2026 |
| Fee -37- G-14-152011 | Upland Resources LLC only | Lacey (Morrow, Upper) | Hemphill | 1 | 159K | 8.29M | Nov 1994 – Aug 2016 |
| Hext O-14-8026 | Unbridled Resources, LLC only | Sparks (Tonkawa) | Hemphill | 1 | 155K | 574K | Apr 2009 – Apr 2026 |
| Kelley D O-14-9324 | Questa Energy Corporation only | Lipscomb, S.E. (Cleveland) | Hemphill | 1 | 154K | 590K | Jun 2013 – Apr 2026 |
| Cleveland O-14-8603 | Presidio Petroleum LLC only | Lipscomb, S.E. (Cleveland) | Hemphill | 2 | 151K | 514K | Oct 2011 – Apr 2026 |
| Mathers Ranch 164-159 (AW) G-14-279370 | Mmgl Txph, LLC only | Mathers Ranch (Granite Wash) | Hemphill | 1 | 151K | 4.91M | Mar 2015 – Apr 2026 |
| Kelley A O-14-9040 | Questa Energy Corporation only | Lipscomb, S.E. (Cleveland) | Hemphill | 5 | 150K | 401K | May 2012 – Oct 2025 |
| Samuel 132 HMH G-14-268434 | Unbridled Resources, LLC only | Lipscomb, S.E. (Cleveland) | Hemphill | 1 | 148K | 1.36M | Sep 2012 – Apr 2026 |
| Wright 151 G-14-264954 | Mmgl Txph, LLC only | Mathers Ranch (Granite Wash) | Hemphill | 1 | 148K | 5.35M | Feb 2011 – Apr 2026 |
| Mathers Ranch 26-159 CL WX G-14-286627 | Mmgl Txph, LLC only | Lipscomb, S.E. (Cleveland) | Hemphill | 1 | 147K | 2.64M | Jan 2019 – Apr 2026 |
| Madeline 55-26 A G-14-284457 | Presidio Petroleum LLC only | Hemphill (Douglas) | Hemphill | 1 | 146K | 2.43M | Oct 2017 – Apr 2026 |
| Meek 6814 XL G-14-285111 | Presidio Petroleum LLC only | Buffalo Wallow (Granite Wash) | Hemphill | 1 | 144K | 5.44M | Jun 2018 – Mar 2026 |
| Alexander Unit 66 O-14-9078 | Presidio Petroleum LLC only | Lipscomb, S.E. (Cleveland) | Hemphill | 2 | 143K | 836K | Aug 2013 – Apr 2026 |
| Black Jack 14 G-14-283834 | Presidio Petroleum LLC only | Hemphill (Douglas) | Hemphill | 1 | 141K | 1.6M | Jun 2017 – Apr 2026 |
| Mathers Ranch 335 (Allocation) O-14-9179 | Mmgl Txph, LLC only | Lipscomb, S.E. (Cleveland) | Hemphill | 1 | 141K | 1.14M | Jan 2014 – Apr 2026 |
| Dherde 59 HMH G-14-271209 | Unbridled Resources, LLC only | Lipscomb, S.E. (Cleveland) | Hemphill | 1 | 139K | 3.73M | Oct 2013 – Apr 2026 |
| Walker G-14-280716 | Presidio Petroleum LLC only | Hemphill (Douglas) | Hemphill | 1 | 137K | 747K | Jan 2016 – Apr 2026 |
| Nix 91 O-14-9527 | Presidio Petroleum LLC only | Renegade (Atoka) | Hemphill | 1 | 136K | 980K | Jan 2016 – Apr 2026 |
| Madeline 26 G-14-281290 | Presidio Petroleum LLC only | Hemphill (Douglas) | Hemphill | 1 | 135K | 1.8M | May 2016 – Apr 2026 |
| Elliott Unit O-14-8625 | Presidio Petroleum LLC only | Lipscomb, S.E. (Cleveland) | Hemphill | 2 | 134K | 545K | Feb 2012 – Apr 2026 |
| Violet 29 HMH G-14-271488 | Unbridled Resources, LLC only | Lipscomb, S.E. (Cleveland) | Hemphill | 1 | 133K | 1.2M | Oct 2013 – Apr 2026 |
| Henson O-14-8620 | Presidio Petroleum LLC only | Lipscomb, S.E. (Cleveland) | Hemphill | 2 | 132K | 281K | Jan 2012 – May 2023 |
| Sue 14 HMH G-14-270765 | Unbridled Resources, LLC only | Lipscomb, S.E. (Cleveland) | Hemphill | 1 | 130K | 919K | Jul 2013 – Apr 2026 |
| Bressler O-14-8989 | Upland Resources LLC only | Feldman (Tonkawa) | Hemphill | 2 | 129K | 1.6M | May 2013 – Apr 2026 |