| San Pedro Ranch O-1-14952 | Jonah Energy LLC only | Hugh Fitzsimmons (San Miguel) | Dimmit | 219 | 21.8M | 156M | Jun 2008 – Aug 2026 |
| Hamilton Ranch O-1-17339 | Jonah Energy LLC only | Hugh Fitzsimmons (San Miguel) | Dimmit | 81 | 11.1M | 31.6M | Aug 2013 – Aug 2026 |
| Serena Ranch O-1-18614 | Jonah Energy LLC only | Hugh Fitzsimmons (San Miguel) | Maverick | 55 | 5.01M | 28.5M | May 2015 – Aug 2026 |
| Cundieff O-1-18998 | Jonah Energy LLC only | Hugh Fitzsimmons (San Miguel) | Dimmit | 10 | 981K | 3.36M | Mar 2017 – Aug 2026 |
| Grit Faith Sandy O-1-21348 | Jonah Energy LLC only | Hugh Fitzsimmons (San Miguel) | Dimmit | 8 | 951K | 9.31M | Feb 2024 – Aug 2026 |
| Glass Ranch O-1-21135 | Jonah Energy LLC only | Hugh Fitzsimmons (San Miguel) | Maverick | 9 | 864K | 2.6M | Aug 2023 – Aug 2026 |
| San Pedro Ranch O-1-4762 | Prime Operating Company only | Hugh Fitzsimmons (San Miguel) | Dimmit | 179 | 802K | 9.36M | by Jan 1993 – Jan 2023 |
| Hamilton Ranch B O-1-19174 | Grit Oil & Gas Management, LLC only | Hugh Fitzsimmons (San Miguel) | Dimmit | 6 | 649K | 1.34M | Dec 2017 – Feb 2022 |
| Ammann O-1-20667 | Endeavor Natural Gas, LP only | Hugh Fitzsimmons (San Miguel) | Dimmit | 7 | 583K | 1.33M | Jul 2022 – Aug 2026 |
| Cundieff A O-1-19723 | Jonah Energy LLC only | Hugh Fitzsimmons (San Miguel) | Dimmit | 4 | 458K | 1.06M | Apr 2019 – Aug 2026 |
| Winship O-1-18984 | Jonah Energy LLC only | Hugh Fitzsimmons (San Miguel) | Maverick | 7 | 427K | 1.43M | Mar 2017 – Aug 2026 |
| Latham McKnight O-1-18756 | Jonah Energy LLC only | Hugh Fitzsimmons (San Miguel) | Dimmit | 6 | 409K | 1.55M | Mar 2016 – Aug 2026 |
| Faith-State-Rincon 'B' Unit O-1-21247 | Strand Energy, L.C. only | Hugh Fitzsimmons (San Miguel) | Maverick | 4 | 382K | 678K | Jan 2024 – Aug 2026 |
| Hamilton Ranch C O-1-19140 | Grit Oil & Gas Management, LLC only | Hugh Fitzsimmons (San Miguel) | Dimmit | 3 | 359K | 658K | Dec 2017 – Feb 2022 |
| Cage A O-1-21159 | Endeavor Natural Gas, LP only | Hugh Fitzsimmons (San Miguel) | Maverick | 7 | 340K | 1.14M | Nov 2023 – Jul 2026 |
| Cage O-1-20664 | Endeavor Natural Gas, LP only | Hugh Fitzsimmons (San Miguel) | Maverick | 7 | 324K | 689K | Jul 2022 – 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 – Jun 2024 |
| Faith-State-Rincon 'D' Unit O-1-21546 | Strand Energy, L.C. only | Hugh Fitzsimmons (San Miguel) | Maverick | 4 | 282K | 636K | Aug 2024 – Aug 2026 |
| Faith-State-Rincon 'a' Unit O-1-21066 | Strand Energy, L.C. only | Hugh Fitzsimmons (San Miguel) | Maverick | 4 | 279K | 409K | May 2023 – Aug 2026 |
| SPR-Prime Unit A O-1-17344 | Jonah Energy LLC only | Hugh Fitzsimmons (San Miguel) | Dimmit | 2 | 268K | 1.57M | Nov 2013 – Aug 2026 |
| Hamilton Ranch Jr D O-1-20876 | Jonah Energy LLC only | Hugh Fitzsimmons (San Miguel) | Dimmit | 1 | 241K | 539K | Jan 2023 – Aug 2026 |
| Serena Ranch- Indio O-1-20789 | Jonah Energy LLC only | Hugh Fitzsimmons (San Miguel) | Maverick | 1 | 240K | 459K | Sep 2022 – Aug 2026 |
| Hamilton Ranch Jr E O-1-20854 | Jonah Energy LLC only | Hugh Fitzsimmons (San Miguel) | Dimmit | 1 | 221K | 471K | Jan 2023 – Aug 2026 |
| Jred O-1-19582 | Atlas Operating LLC only | Hugh Fitzsimmons (San Miguel) | Dimmit | 2 | 205K | 256K | Oct 2018 – Aug 2026 |
| Hamilton Ranch HR D O-1-21696 | Jonah Energy LLC only | Hugh Fitzsimmons (San Miguel) | Dimmit | 1 | 202K | 782K | Feb 2025 – Aug 2026 |
| Faith-State-Rincon 'E' Unit O-1-21871 | Strand Energy, L.C. only | Hugh Fitzsimmons (San Miguel) | Webb | 2 | 195K | 560K | Oct 2025 – Aug 2026 |
| Faith-State-Rincon 'C' Unit O-1-21751 | Strand Energy, L.C. only | Hugh Fitzsimmons (San Miguel) | Maverick | 4 | 195K | 423K | May 2025 – Aug 2026 |
| Hamilton Ranch Jr G O-1-20875 | Jonah Energy LLC only | Hugh Fitzsimmons (San Miguel) | Dimmit | 1 | 182K | 525K | Jan 2023 – Aug 2026 |
| San Pedro Ranch DS O-1-2543 | Prime Operating Company only | Hugh Fitzsimmons (San Miguel) | Dimmit | 31 | 173K | 1.04M | by Jan 1993 – Jun 2017 |
| Hamilton Ranch Jr F O-1-20874 | Jonah Energy LLC only | Hugh Fitzsimmons (San Miguel) | Dimmit | 1 | 172K | 426K | Jan 2023 – Aug 2026 |
| Fitzsimmons, Hugh "A" O-1-14145 | Prime Operating Company only | Hugh Fitzsimmons (San Miguel) | Dimmit | 27 | 169K | 2.67M | Jun 1997 – Jan 2023 |
| Serena Ranch-Indio B O-1-21722 | Jonah Energy LLC only | Hugh Fitzsimmons (San Miguel) | Maverick | 1 | 141K | 146K | Mar 2025 – Aug 2026 |
| SPR-Kopas O-1-20833 | Jonah Energy LLC only | Hugh Fitzsimmons (San Miguel) | Dimmit | 1 | 139K | 843K | Mar 2023 – Aug 2026 |
| Glass B1 O-1-19443 | Jonah Energy LLC only | Hugh Fitzsimmons (San Miguel) | Maverick | 1 | 135K | 228K | Oct 2018 – Aug 2026 |
| Serena Ranch-Indio A O-1-21721 | Jonah Energy LLC only | Hugh Fitzsimmons (San Miguel) | Maverick | 1 | 135K | 139K | Mar 2025 – Aug 2026 |
| SPR Unit A O-1-17594 | Jonah Energy LLC only | Hugh Fitzsimmons (San Miguel) | Dimmit | 1 | 131K | 1.17M | Nov 2013 – Aug 2026 |
| La Bandera Ranch O-1-17340 | Jonah Energy LLC only | Hugh Fitzsimmons (San Miguel) | Dimmit | 2 | 122K | 391K | Aug 2013 – Aug 2026 |
| Hugh a Fitzsimons, et Al O-1-11382 | Prime Operating Company only | Hugh Fitzsimmons (San Miguel) | Dimmit | 16 | 113K | 1.71M | by Jan 1993 – Jan 2023 |
| San Pedro Ranch B O-1-21207 | Jonah Energy LLC only | Hugh Fitzsimmons (San Miguel) | Dimmit | 1 | 113K | 1.07M | Sep 2023 – Aug 2026 |
| Jred Wilson O-1-20046 | Atlas Operating LLC only | Hugh Fitzsimmons (San Miguel) | Dimmit | 1 | 103K | 163K | Oct 2019 – Aug 2026 |
| San Pedro Ranch-Conoco O-1-4325 | Prime Operating Company only | Hugh Fitzsimmons (San Miguel) | Dimmit | 23 | 97.9K | 2.54M | by Jan 1993 – Oct 2022 |
| San Pedro Ranch A O-1-21203 | Jonah Energy LLC only | Hugh Fitzsimmons (San Miguel) | Dimmit | 1 | 92.6K | 1.06M | Sep 2023 – Aug 2026 |
| Glass B2 O-1-19477 | Jonah Energy LLC only | Hugh Fitzsimmons (San Miguel) | Maverick | 1 | 89.5K | 298K | Sep 2018 – Aug 2026 |
| Hamilton Ranch AB O-1-18087 | Grit Oil & Gas Management, LLC only | Hugh Fitzsimmons (San Miguel) | Dimmit | 1 | 84K | 576K | Nov 2014 – Feb 2022 |
| Faith-Rincon 'F' Unit O-1-22017 | Strand Energy, L.C. only | Hugh Fitzsimmons (San Miguel) | Webb | 4 | 81.4K | 70.5K | Jun 2026 – Aug 2026 |
| SPR-Kopas B O-1-21208 | Jonah Energy LLC only | Hugh Fitzsimmons (San Miguel) | Dimmit | 1 | 78.3K | 810K | Aug 2023 – Aug 2026 |
| Winship A O-1-21077 | Jonah Energy LLC only | Hugh Fitzsimmons (San Miguel) | Maverick | 2 | 75.7K | 591K | May 2023 – Aug 2026 |
| Comanche SM O-1-18953 | El Toro Resources LLC only | Hugh Fitzsimmons (San Miguel) | Maverick | 3 | 75.3K | 1.04K | Oct 2017 – Aug 2026 |
| Hamilton Ranch AC O-1-18098 | Grit Oil & Gas Management, LLC only | Hugh Fitzsimmons (San Miguel) | Dimmit | 1 | 65.9K | 494K | Sep 2014 – Feb 2022 |
| SPR Kopas A O-1-21194 | Jonah Energy LLC only | Hugh Fitzsimmons (San Miguel) | Dimmit | 1 | 64.4K | 683K | Aug 2023 – Aug 2026 |