| San Pedro Ranch O-1-14952 | Jonah Energy LLC only | Hugh Fitzsimmons (San Miguel) | Dimmit | 217 | 21.1M | 147M | Jun 2008 – Jul 2026 |
| Hamilton Ranch O-1-17339 | Jonah Energy LLC only | Hugh Fitzsimmons (San Miguel) | Dimmit | 81 | 10.8M | 30.1M | Aug 2013 – Jul 2026 |
| Serena Ranch O-1-18614 | Jonah Energy LLC only | Hugh Fitzsimmons (San Miguel) | Maverick | 55 | 4.83M | 27.5M | May 2015 – Jul 2026 |
| Cundieff O-1-18998 | Jonah Energy LLC only | Hugh Fitzsimmons (San Miguel) | Dimmit | 10 | 954K | 3.24M | Mar 2017 – Jul 2026 |
| Grit Faith Sandy O-1-21348 | Jonah Energy LLC only | Hugh Fitzsimmons (San Miguel) | Dimmit | 8 | 869K | 8.1M | Feb 2024 – Jul 2026 |
| San Pedro Ranch O-1-4762 | Prime Operating Company only | Hugh Fitzsimmons (San Miguel) | Dimmit | 179 | 802K | 9.36M | Jan 1993 – Dec 2023 |
| Glass Ranch O-1-21135 | Jonah Energy LLC only | Hugh Fitzsimmons (San Miguel) | Maverick | 9 | 754K | 2.32M | Aug 2023 – Jul 2026 |
| Hamilton Ranch B O-1-19174 | Grit Oil & Gas Management, LLC only | Hugh Fitzsimmons (San Miguel) | Dimmit | 6 | 649K | 1.34M | Dec 2017 – Sep 2022 |
| Ammann O-1-20667 | Endeavor Natural Gas, LP only | Hugh Fitzsimmons (San Miguel) | Dimmit | 7 | 547K | 1.23M | Jul 2022 – Jul 2026 |
| Cundieff A O-1-19723 | Jonah Energy LLC only | Hugh Fitzsimmons (San Miguel) | Dimmit | 4 | 445K | 1.01M | Mar 2019 – Jul 2026 |
| Winship O-1-18984 | Jonah Energy LLC only | Hugh Fitzsimmons (San Miguel) | Maverick | 7 | 416K | 1.38M | Mar 2017 – Jul 2026 |
| Latham McKnight O-1-18756 | Jonah Energy LLC only | Hugh Fitzsimmons (San Miguel) | Dimmit | 6 | 402K | 1.51M | Mar 2016 – Jul 2026 |
| Hamilton Ranch C O-1-19140 | Grit Oil & Gas Management, LLC only | Hugh Fitzsimmons (San Miguel) | Dimmit | 3 | 359K | 658K | Dec 2017 – Oct 2022 |
| Faith-State-Rincon 'B' Unit O-1-21247 | Strand Energy, L.C. only | Hugh Fitzsimmons (San Miguel) | Maverick | 4 | 357K | 628K | Jan 2024 – Jul 2026 |
| SPR-Prime Unit B O-1-18282 | Grit Oil & Gas Management, LLC only | Hugh Fitzsimmons (San Miguel) | Dimmit | 4 | 315K | 1.91M | Oct 2014 – Oct 2024 |
| Cage O-1-20664 | Endeavor Natural Gas, LP only | Hugh Fitzsimmons (San Miguel) | Maverick | 7 | 313K | 667K | Jul 2022 – Jul 2026 |
| Cage A O-1-21159 | Endeavor Natural Gas, LP only | Hugh Fitzsimmons (San Miguel) | Maverick | 5 | 301K | 1.01M | Nov 2023 – Jul 2026 |
| Faith-State-Rincon 'a' Unit O-1-21066 | Strand Energy, L.C. only | Hugh Fitzsimmons (San Miguel) | Maverick | 4 | 263K | 364K | May 2023 – Jul 2026 |
| SPR-Prime Unit A O-1-17344 | Jonah Energy LLC only | Hugh Fitzsimmons (San Miguel) | Dimmit | 2 | 263K | 1.55M | Nov 2013 – Jul 2026 |
| Faith-State-Rincon 'D' Unit O-1-21546 | Strand Energy, L.C. only | Hugh Fitzsimmons (San Miguel) | Maverick | 4 | 256K | 563K | Aug 2024 – Jul 2026 |
| Hamilton Ranch Jr D O-1-20876 | Jonah Energy LLC only | Hugh Fitzsimmons (San Miguel) | Dimmit | 1 | 237K | 501K | Jan 2023 – Jul 2026 |
| Serena Ranch- Indio O-1-20789 | Jonah Energy LLC only | Hugh Fitzsimmons (San Miguel) | Maverick | 1 | 229K | 434K | Sep 2022 – Jul 2026 |
| Hamilton Ranch Jr E O-1-20854 | Jonah Energy LLC only | Hugh Fitzsimmons (San Miguel) | Dimmit | 1 | 216K | 445K | Jan 2023 – Jul 2026 |
| Jred O-1-19582 | Atlas Operating LLC only | Hugh Fitzsimmons (San Miguel) | Dimmit | 2 | 199K | 253K | Oct 2018 – Jul 2026 |
| Hamilton Ranch HR D O-1-21696 | Jonah Energy LLC only | Hugh Fitzsimmons (San Miguel) | Dimmit | 1 | 181K | 626K | Feb 2025 – Jul 2026 |
| Hamilton Ranch Jr G O-1-20875 | Jonah Energy LLC only | Hugh Fitzsimmons (San Miguel) | Dimmit | 1 | 180K | 505K | Jan 2023 – Jul 2026 |
| San Pedro Ranch DS O-1-2543 | Prime Operating Company only | Hugh Fitzsimmons (San Miguel) | Dimmit | 31 | 173K | 1.04M | Jan 1993 – Jul 2026 |
| Fitzsimmons, Hugh "A" O-1-14145 | Prime Operating Company only | Hugh Fitzsimmons (San Miguel) | Dimmit | 27 | 169K | 2.67M | Jun 1997 – Jan 2025 |
| Hamilton Ranch Jr F O-1-20874 | Jonah Energy LLC only | Hugh Fitzsimmons (San Miguel) | Dimmit | 1 | 169K | 406K | Jan 2023 – Jul 2026 |
| Faith-State-Rincon 'E' Unit O-1-21871 | Strand Energy, L.C. only | Hugh Fitzsimmons (San Miguel) | Webb | 2 | 166K | 465K | Oct 2025 – Jul 2026 |
| Faith-State-Rincon 'C' Unit O-1-21751 | Strand Energy, L.C. only | Hugh Fitzsimmons (San Miguel) | Maverick | 4 | 160K | 312K | May 2025 – Jul 2026 |
| SPR-Kopas O-1-20833 | Jonah Energy LLC only | Hugh Fitzsimmons (San Miguel) | Dimmit | 1 | 137K | 805K | Dec 2022 – Jul 2026 |
| Glass B1 O-1-19443 | Jonah Energy LLC only | Hugh Fitzsimmons (San Miguel) | Maverick | 1 | 131K | 211K | Sep 2018 – Jul 2026 |
| SPR Unit A O-1-17594 | Jonah Energy LLC only | Hugh Fitzsimmons (San Miguel) | Dimmit | 1 | 130K | 1.16M | Oct 2012 – Jul 2026 |
| LA Bandera Ranch O-1-17340 | Jonah Energy LLC only | Hugh Fitzsimmons (San Miguel) | Dimmit | 2 | 119K | 391K | Aug 2013 – Jul 2026 |
| Serena Ranch-Indio B O-1-21722 | Jonah Energy LLC only | Hugh Fitzsimmons (San Miguel) | Maverick | 1 | 115K | 110K | Mar 2025 – Jul 2026 |
| Hugh a Fitzsimons, et AL O-1-11382 | Prime Operating Company only | Hugh Fitzsimmons (San Miguel) | Dimmit | 16 | 113K | 1.71M | Jan 1993 – Oct 2023 |
| San Pedro Ranch B O-1-21207 | Jonah Energy LLC only | Hugh Fitzsimmons (San Miguel) | Dimmit | 1 | 111K | 1.01M | Aug 2023 – Jul 2026 |
| Serena Ranch-Indio A O-1-21721 | Jonah Energy LLC only | Hugh Fitzsimmons (San Miguel) | Maverick | 1 | 109K | 103K | Mar 2025 – Jul 2026 |
| Jred Wilson O-1-20046 | Atlas Operating LLC only | Hugh Fitzsimmons (San Miguel) | Dimmit | 1 | 99.9K | 163K | Oct 2019 – Jul 2026 |
| San Pedro Ranch-Conoco O-1-4325 | Prime Operating Company only | Hugh Fitzsimmons (San Miguel) | Dimmit | 23 | 97.9K | 2.54M | Jan 1993 – Mar 2024 |
| San Pedro Ranch A O-1-21203 | Jonah Energy LLC only | Hugh Fitzsimmons (San Miguel) | Dimmit | 1 | 91.3K | 1.01M | Aug 2023 – Jul 2026 |
| Glass B2 O-1-19477 | Jonah Energy LLC only | Hugh Fitzsimmons (San Miguel) | Maverick | 1 | 86.9K | 284K | Sep 2018 – Jul 2026 |
| Hamilton Ranch AB O-1-18087 | Grit Oil & Gas Management, LLC only | Hugh Fitzsimmons (San Miguel) | Dimmit | 1 | 84K | 576K | Oct 2013 – Aug 2022 |
| SPR-Kopas B O-1-21208 | Jonah Energy LLC only | Hugh Fitzsimmons (San Miguel) | Dimmit | 1 | 76.3K | 781K | Aug 2023 – Jul 2026 |
| Comanche SM O-1-18953 | EL Toro Resources LLC only | Hugh Fitzsimmons (San Miguel) | Maverick | 3 | 73.6K | 1.04K | Oct 2016 – Jul 2026 |
| Winship A O-1-21077 | Jonah Energy LLC only | Hugh Fitzsimmons (San Miguel) | Maverick | 2 | 71.7K | 569K | May 2023 – Jul 2026 |
| Hamilton Ranch AC O-1-18098 | Grit Oil & Gas Management, LLC only | Hugh Fitzsimmons (San Miguel) | Dimmit | 1 | 65.9K | 494K | Sep 2014 – Aug 2022 |
| SPR Kopas A O-1-21194 | Jonah Energy LLC only | Hugh Fitzsimmons (San Miguel) | Dimmit | 1 | 63.9K | 658K | Aug 2023 – Jul 2026 |
| Tocquigny Unit O-1-18610 | Atlas Operating LLC only | Hugh Fitzsimmons (San Miguel) | Dimmit | 4 | 63.6K | 60.4K | Feb 2014 – Jul 2026 |