| Wallace, Fred Unit "B" O-5-2895 | Mitchell Energy Corporation only | Alabama Ferry (Woodbine-Dexter) | Leon | 1 | 20.3K | 11K | by Jan 1993 – Jun 1993 |
| Turner-Roughton O-5-3564 | Flamingo Oil & Gas only | Alabama Ferry (Glenrose D, West) | Leon | 1 | 20.3K | 90.1K | Aug 1997 – Feb 2015 |
| Barnes, Leah G. G-5-124853 | Phoenix Hydrocarbons Operating only | Alabama Ferry (Glenrose D, West) | Leon | 1 | 20.2K | 244K | by Jan 1993 – May 2003 |
| Reeder, W.B. G-5-221011 | Barrow-Shaver Resources Co. only | Red Oak (Dexter) | Leon | 1 | 20.2K | 1.39M | May 2006 – Sep 2014 |
| Allbritton, Bessie "C" O-5-2398 | Roberts & Hammack Inc. only | Red Oak (Sub-Clarksville) | Leon | 1 | 20.1K | 461 | by Jan 1993 – Aug 2026 |
| Fossil Freeman, R. E. O-5-2679 | Rivershore Operating LLC only | Hilltop Resort (Austin Chalk) | Leon | 1 | 20.1K | 0 | Jun 2000 – Aug 2010 |
| Robeson, Clyde Est. "B" O-5-3269 | Amerril Energy LLC only | Pleasant Ridge (Woodbine) | Leon | 1 | 20.1K | 3.82K | by Jan 1993 – Jun 2012 |
| Kelley O-5-3907 | Deguello Operating LLC only | Centerville, S. (Woodbine W-1) | Leon | 1 | 20K | 2.84K | Jan 2010 – Apr 2021 |
| Oliver & Tracy O-5-1959 | Roberts & Hammack Inc. only | Red Oak (Sub-Clarksville) | Leon | 1 | 19.6K | 461 | by Jan 1993 – Aug 2026 |
| Cook G-5-136113 | Basa Resources, Inc. only | Eileen Sullivan (Glen Rose) | Leon | 1 | 19.5K | 697K | by Jan 1993 – Sep 2008 |
| Fossil Crowe-Faison O-5-3455 | Fossil Operating, Inc. only | Hilltop Resort (Austin Chalk) | Leon | 1 | 19.4K | 150 | Jun 1993 – Jul 2007 |
| Dot Cadenhead "A" G-5-223578 | Rusk Energy Operating LLC only | Red Oak (Dexter) | Leon | 1 | 19.4K | 1.3M | Oct 2006 – Jan 2017 |
| Hammond G-5-241242 | Barrow-Shaver Resources Co. only | Red Oak (Dexter) | Leon | 1 | 18.9K | 1.44M | Dec 2006 – Nov 2011 |
| Sherman O-3-25750 | Deguello Operating LLC only | Halliday (Woodbine) | Leon | 1 | 18.5K | 26.1K | Aug 2011 – Aug 2021 |
| Anderson-Bing G-5-222827 | XTO Energy Inc. only | Red Oak (Dexter) | Leon | 1 | 18.5K | 1.22M | Oct 2006 – Mar 2020 |
| Pinnacle G-5-174632 | Hilcorp Energy Company only | Bear Grass (Travis Peak) | Leon | 1 | 18.5K | 1.24M | Sep 1999 – Aug 2026 |
| Stewart, Betty O-3-13581 | Carr Resources, Inc. only | Halliday (Woodbine) | Leon | 1 | 18.3K | 13 | by Jan 1993 – Aug 2024 |
| Campbell Gas Unit G-5-179610 | Valence Operating Company only | Bear Grass (Travis Peak) | Leon | 1 | 18.2K | 1.77M | Jul 2000 – Aug 2026 |
| Campbell Gas Unit G-5-165153 | Valence Operating Company only | Bear Grass (Travis Peak) | Leon | 1 | 18.2K | 2.53M | Sep 1997 – Aug 2026 |
| Donahoe, James O-5-2966 | Roberts & Hammack Inc. only | Red Oak (Sub-Clarksville) | Leon | 1 | 18K | 1.06K | by Jan 1993 – Aug 2026 |
| Rowfu (Harris "C") O-5-3820 | XTO Energy Inc. only | Red Oak (Dexter) | Leon | 1 | 17.9K | 60.5K | Jan 2006 – Jul 2011 |
| Leathers O-5-3800 | Deguello Operating LLC only | Red Oak (Subclarksville 6060) | Leon | 1 | 17.9K | 0 | Oct 2004 – Aug 2026 |
| Lewis "B" G-5-180426 | Valence Operating Company only | Bear Grass (Travis Peak) | Leon | 1 | 17.9K | 1.95M | Aug 2000 – Nov 2019 |
| Dot Cadenhead "B" G-5-223583 | Rusk Energy Operating LLC only | Red Oak (Dexter) | Leon | 1 | 17.7K | 1.24M | Oct 2006 – Mar 2020 |
| Belger, R. Unit O-5-2577 | Roberts & Hammack Inc. only | Red Oak (Sub-Clarksville) | Leon | 1 | 17.4K | 20.3K | by Jan 1993 – Aug 2026 |
| Thomas Gas Unit G-5-282294 | Atlas Operating LLC only | Bear Grass (Travis Peak) | Leon | 1 | 17.4K | 1.21M | Jan 2017 – Jun 2026 |
| Phelps No. 1 G-5-186031 | Keating Energy, Inc. only | Branton (Rodessa) | Leon | 1 | 17.4K | 1.1M | Oct 2001 – Nov 2010 |
| Lone Star School O-5-1435 | Bledsoe Petro Corporation only | Buffalo | Leon | 1 | 17.2K | 2.4K | by Jan 1993 – Aug 1994 |
| Rowfu (Cadenhead "F") O-5-3816 | XTO Energy Inc. only | Red Oak (Dexter) | Leon | 1 | 16.9K | 15K | Nov 2005 – Apr 2011 |
| Hall, Darrell O-5-3150 | Jay Management Company, LLC only | Alabama Ferry (Glenrose D, West) | Leon | 1 | 16.9K | 26.1K | by Jan 1993 – Aug 2025 |
| Coldiron G-5-221069 | Barrow-Shaver Resources Co. only | Red Oak (Dexter) | Leon | 1 | 16.6K | 1.12M | Jul 2006 – Mar 2024 |
| Dot Cadenhead "C" G-5-225635 | Rusk Energy Operating LLC only | Red Oak (Dexter) | Leon | 1 | 16.6K | 1.18M | Dec 2006 – Sep 2017 |
| Dot Cadenhead G-5-222735 | Rusk Energy Operating LLC only | Red Oak (Dexter) | Leon | 1 | 16.6K | 1.12M | Oct 2006 – Jan 2017 |
| Ericson Gas Unit G-5-225694 | Atlas Operating LLC only | Bear Grass (Travis Peak) | Leon | 1 | 16.4K | 1.49M | Dec 2006 – Jun 2026 |
| Reeder G-5-230048 | Barrow-Shaver Resources Co. only | Red Oak (Dexter) | Leon | 1 | 16.3K | 1.19M | Apr 2007 – Jan 2024 |
| Knight, Sam G-5-127608 | Prime Operating Company only | Alabama Ferry (Glenrose D, West) | Leon | 1 | 16.2K | 227K | by Jan 1993 – Feb 2016 |
| Lewis, C. L. Oil Unit O-5-2898 | Roberts & Hammack Inc. only | Red Oak (Sub-Clarksville) | Leon | 1 | 15.6K | 13.9K | by Jan 1993 – Aug 2026 |
| Nash Bros (Allocation) O-3-26698 | Deguello Operating LLC only | Halliday (Woodbine) | Leon | 1 | 15.5K | 32.6K | May 2013 – Jun 2021 |
| Watson, Elmore Estate G-5-154483 | Hilcorp Energy Company only | Bear Grass (Pettit) | Leon | 1 | 15.5K | 831K | Jan 1995 – Aug 2026 |
| Sarandos G-5-205020 | Hilcorp Energy Company only | Bear Grass (Pettit) | Leon | 1 | 15.5K | 657K | Jul 2004 – Aug 2026 |
| Caldwell "State" O-5-3013 | Roberts & Hammack Inc. only | Red Oak (Sub-Clarksville) | Leon | 2 | 15.4K | 37.4K | by Jan 1993 – Aug 2026 |
| Wilkins, Alfred G-5-130021 | Ogden Resources Corporation only | Alabama Ferry (Glenrose D, West) | Leon | 1 | 15.3K | 270K | by Jan 1993 – Nov 1999 |
| Andrews, C.K. O-3-14998 | Cape Operating, Inc. only | Halliday (Woodbine) | Leon | 1 | 15.3K | 368 | by Jan 1993 – Sep 1997 |
| Caldwell O-5-2812 | Roberts & Hammack Inc. only | Red Oak (Sub-Clarksville) | Leon | 1 | 15K | 26.8K | by Jan 1993 – Aug 2026 |
| Davis, M.E., et Al O-5-2223 | Amerril Energy LLC only | Pleasant Ridge (Woodbine) | Leon | 1 | 14.9K | 1.63K | by Jan 1993 – Apr 2015 |
| John Beeler O-3-26457 | Berkshire Operating, LLC only | Halliday (Woodbine) | Leon | 2 | 14.9K | 0 | Jan 2013 – Jun 2017 |
| Sherman Heirs O-5-2222 | Amerril Energy LLC only | Pleasant Ridge (Woodbine) | Leon | 1 | 14.8K | 2.38K | by Jan 1993 – Nov 2014 |
| Ward, Seale, et Al O-5-2123 | J.F.W. Equipment, Inc. only | Pleasant Ridge (Woodbine) | Leon | 1 | 14.7K | 248 | by Jan 1993 – Jul 2024 |
| Williams O-5-3848 | Machin & Associates, Inc. only | Upper Keechi Creek (Dexter Sd.) | Leon | 2 | 14.3K | 0 | Jun 2007 – Apr 2014 |
| Sherman-Wakefield O-5-3670 | Prime Operating Company only | Alabama Ferry (Glenrose D, West) | Leon | 1 | 14.3K | 120K | Jun 1999 – Oct 2015 |