| Basham O-1-15374 | Tidal Petroleum, Inc. only | Eagleville (Eagle Ford-1) | La Salle | 3 | 431K | 0 | Jan 2011 – Apr 2026 |
| Bashara, Sam O-3-14469 | P.o.&g. Operating, LLC only | Saratoga, West | Hardin | 9 | 383K | 238K | Jan 1993 – Apr 2026 |
| Bashara, M. J. O-10-3417 | XTO Energy Inc. only | Keystone (Silurian) | Winkler | 8 | 344K | 989K | Jan 1993 – Feb 2019 |
| Bashara-Prothro O-10-30317 | Merit Energy Company only | Keystone (Holt) | Winkler | 7 | 277K | 4M | Jan 1993 – Aug 2015 |
| Bashara, M. J. O-10-3370 | Hilcorp Energy Company only | Keystone (Ellenburger) | Winkler | 6 | 275K | 6.04M | Jan 1993 – Feb 2020 |
| Bashara-Prothro O-10-46977 | Formentera Operations LLC only | Keystone (Consolidated) | Winkler | 10 | 274K | 1.49M | Sep 2015 – Apr 2026 |
| Bashara, M.J. O-10-16082 | Hilcorp Energy Company only | Keystone (Colby) | Winkler | 8 | 174K | 386K | Jan 1993 – Dec 2024 |
| Bashara, M. J., -B- O-10-19110 | XTO Energy Inc. only | Keystone (Silurian) | Winkler | 2 | 165K | 170K | Jan 1993 – Feb 2019 |
| M. J. Bashara O-10-27885 | Hilcorp Energy Company only | Keystone, SW. (San Andres) | Winkler | 5 | 160K | 419K | Jan 1993 – Apr 2026 |
| Bashara -A- O-10-3265 | Saxet Oil Corporation only | Keystone (Colby) | Winkler | 19 | 146K | 223K | Jan 1993 – Apr 2026 |
| Bashara, M. J. -D- O-10-17728 | Hilcorp Energy Company only | Keystone (Colby) | Winkler | 2 | 125K | 114K | Jan 1993 – Apr 2026 |
| Bashara, M. J. -B- O-10-3290 | XTO Energy Inc. only | Keystone (Colby) | Winkler | 13 | 84K | 54.3K | Jan 1993 – Jul 2021 |
| Bashara -D- O-10-3267 | Saxet Oil Corporation only | Keystone (Colby) | Winkler | 9 | 83.9K | 8.53K | Jan 1993 – Apr 2026 |
| Bashara, J. M. O-10-3317 | Formentera Operations LLC only | Keystone (Colby) | Winkler | 3 | 78K | 52.9K | Jan 1993 – Apr 2026 |
| Bashara,j.m. O-10-23009 | Merit Energy Company only | Keystone (Holt) | Winkler | 2 | 63.2K | 43.5K | Jan 1993 – Aug 2015 |
| Bashara -E- O-10-3268 | Saxet Oil Corporation only | Keystone (Colby) | Winkler | 9 | 56.3K | 6.43K | Jan 1993 – Apr 2026 |
| Winkles, Minnie O-8-14081 | Momentum Operating Co., Inc. only | Humphrey-Bashford (King Sd.) | Jones | 4 | 55.9K | 48 | Jan 1993 – Apr 2026 |
| Bashara -B- O-10-16081 | Saxet Oil Corporation only | Keystone (Colby) | Winkler | 4 | 55K | 7.22K | Jan 1993 – Apr 2026 |
| Hereford -T- G-4-150205 | Merit Energy Company only | Bashara-Hereford (7300) | Webb | 1 | 48.3K | 6M | Jun 1994 – Apr 2026 |
| BMT-C-Moreno Gas Unit 1 G-4-157788 | Hilcorp Energy Company only | Bashara-Hereford (7300) | Webb | 1 | 46K | 6.98M | Feb 1996 – Apr 2026 |
| C-Bruni Mineral Trust G-4-137342 | Chevron U. S. A. Inc. only | Bashara-Hereford (7300) | Webb | 1 | 45.6K | 5.44M | Jan 1993 – Mar 2011 |
| C-Bruni Mineral Trust G-4-135182 | Hilcorp Energy Company only | Bashara-Hereford (7300) | Webb | 1 | 43.9K | 7.39M | Jan 1993 – Apr 2026 |
| Martinez, D.S. G-4-162129 | Columbus Energy, LLC only | Bashara-Hereford (7300) | Webb | 1 | 42.7K | 3.92M | Jan 1997 – Apr 2026 |
| Bashara -C- O-10-3266 | Saxet Oil Corporation only | Keystone (Colby) | Winkler | 2 | 41.1K | 8.67K | Jan 1993 – Apr 2026 |
| C-Bruni Mineral Trust G-4-152405 | Hilcorp Energy Company only | Bashara-Hereford (7300) | Webb | 1 | 38.2K | 5.62M | Oct 1994 – Apr 2026 |
| C-Bruni Mineral Trust G-4-158139 | Hilcorp Energy Company only | Bashara-Hereford (7300) | Webb | 1 | 38K | 4.68M | Mar 1996 – Apr 2026 |
| C- Bruni Mineral Trust G-4-141443 | Hilcorp Energy Company only | Bashara-Hereford (7300) | Webb | 1 | 38K | 6.29M | Jan 1993 – Apr 2026 |
| Bash O-3-1295 | Americo Energy Resources, LLC only | Durkee (Fairbanks Sand) | Harris | 3 | 37.9K | 31.9K | Jan 1997 – Oct 2008 |
| C-Bruni Mineral Trust G-4-143478 | Hilcorp Energy Company only | Bashara-Hereford (7300) | Webb | 1 | 37.9K | 4.22M | Jan 1993 – Apr 2026 |
| C-Bruni Mineral Trust G-4-154452 | Hilcorp Energy Company only | Bashara-Hereford (7300) | Webb | 1 | 34.9K | 4.29M | May 1995 – Jun 2013 |
| Hereford -T- G-4-168181 | Merit Energy Company only | Bashara-Hereford (7300) | Webb | 1 | 31.6K | 6.27M | Apr 1998 – Apr 2026 |
| Prevost G-4-158034 | Columbus Energy, LLC only | Bashara-Hereford (7300) | Webb | 1 | 31.6K | 4.13M | Feb 1996 – Apr 2026 |
| C-Bruni Mineral Trust G-4-158097 | Hilcorp Energy Company only | Bashara-Hereford (7300) | Webb | 1 | 30.1K | 3.96M | Mar 1996 – Apr 2026 |
| Rancho Blanco G-4-155279 | Columbus Energy, LLC only | Bashara-Hereford (7300) | Webb | 1 | 28.6K | 4.28M | Jul 1995 – Apr 2026 |
| Diego Gutierrez, et al Gas Unit G-4-183938 | Hilcorp Energy Company only | Bashara-Hereford (7300) | Zapata | 1 | 28.2K | 3.07M | Jun 2001 – Apr 2026 |
| Bashara, M.J. O-10-52034 | Hilcorp Energy Company only | Keystone (Dev-McKee Cons) | Winkler | 8 | 27.7K | 91.9K | Mar 2019 – Apr 2026 |
| Moreno, Isidro et Al G-4-137356 | Hilcorp Energy Company only | Bashara-Hereford (7300) | Webb | 1 | 26.7K | 5.79M | Jan 1993 – Apr 2026 |
| Sun-Bashara O-3-16615 | Endeavor Energy Resources L.P. only | Saratoga, West | Hardin | 1 | 26.7K | 22.6K | Jul 1993 – Jan 2012 |
| Bashara, J. M. O-10-46979 | Formentera Operations LLC only | Keystone (Consolidated) | Winkler | 1 | 26.6K | 11.9K | Sep 2015 – Apr 2026 |
| Alexander, Charles G-4-165681 | Columbus Energy, LLC only | Bashara-Hereford (7300) | Webb | 1 | 25.7K | 7.65M | Nov 1997 – Apr 2026 |
| Alexander, Charles G-4-167535 | Columbus Energy, LLC only | Bashara-Hereford (7300) | Webb | 1 | 25.4K | 5.14M | Mar 1998 – Apr 2026 |
| Bashara, M. J., -B- O-10-51575 | Hilcorp Energy Company only | Keystone (Dev-McKee Cons) | Winkler | 2 | 25.2K | 41.4K | Mar 2019 – Apr 2026 |
| Block, Anna G-4-162572 | Columbus Energy, LLC only | Bashara-Hereford (7300) | Webb | 1 | 25.1K | 3.62M | Dec 1996 – Sep 2003 |
| Basham O-9-12815 | Damron Energy, LLC only | Letcher (Lower Cook Sand) | Concho | 4 | 24.7K | 212 | Jan 1993 – Mar 2026 |
| Bashara, M. J. -C- G-10-20394 | Hilcorp Energy Company only | Keystone (Dev-McKee Cons) | Winkler | 1 | 24.7K | 1.08M | Jan 1993 – Jun 2025 |
| Martinez, D.S. G-4-168891 | Columbus Energy, LLC only | Bashara-Hereford (7300) | Webb | 1 | 24.2K | 2.86M | Feb 1998 – Apr 2026 |
| Alexander, Charles G-4-169465 | Columbus Energy, LLC only | Bashara-Hereford (7300) | Webb | 1 | 23.9K | 3.3M | May 1998 – Sep 2016 |
| Bruni Mineral Trust "B" G-4-248708 | Hilcorp Energy Company only | Bashara-Hereford (7300) | Webb | 1 | 23.8K | 3.4M | Mar 2009 – Apr 2026 |
| Prevost G-4-163524 | Columbus Energy, LLC only | Bashara-Hereford (7300) | Webb | 1 | 22.9K | 1.5M | Apr 1997 – Apr 2026 |
| Alexander, Charles G-4-165680 | Columbus Energy, LLC only | Bashara-Hereford (7300) | Webb | 1 | 20.8K | 4.36M | Nov 1997 – Apr 2026 |