| Cessna, Adelia O-3-6243 | Jay Management Company, LLC only | Hardin | Liberty | 1 | 274K | 446 | by Jan 1993 – Aug 2026 |
| Finley, Gertrude O-3-12832 | Finley Oil Company, LLC only | Hardin | Liberty | 2 | 245K | 45.6K | by Jan 1993 – Jan 2022 |
| Finley, G.& E. O-3-25283 | Hughes Oil Operating, LLC only | Hardin | Liberty | 1 | 164K | 30.2K | Jan 2009 – Aug 2026 |
| Daniel O-3-18007 | Crawford Hughes Operating Co. only | Hardin (Y-13B) | Liberty | 1 | 113K | 89.9K | by Jan 1993 – Nov 2007 |
| WJ Green O-3-25846 | Hughes Oil Operating, LLC only | Hardin (Y-3) | Liberty | 1 | 96.8K | 10 | Apr 2012 – Aug 2026 |
| Cessna, A. E. O-3-1906 | Jay Management Company, LLC only | Hardin | Liberty | 2 | 85.5K | 159 | by Jan 1993 – Aug 2026 |
| Buffum & Benning O-3-9160 | Caskids Operating Company only | Hardin, N. (Bintliff 7600) | Liberty | 3 | 85.5K | 238K | by Jan 1993 – May 2015 |
| Rives, G. S. O-3-12759 | Jay Management Company, LLC only | Hardin (Y-12) | Liberty | 1 | 80.7K | 6.56K | by Jan 1993 – Aug 2026 |
| Rives, Ernest O-3-13435 | Hughes Oil Operating, LLC only | Hardin | Liberty | 1 | 77.1K | 47.4K | Sep 1995 – Aug 2026 |
| Rives, S. O-3-16351 | Jay Management Company, LLC only | Hardin (Y-7) | Liberty | 1 | 76.9K | 5.84K | by Jan 1993 – Oct 2009 |
| Humphreys G-3-206430 | Hughes Oil Operating, LLC only | Hardin, SW. (H. Daniel Sand) | Liberty | 1 | 76.8K | 4.57M | Nov 2004 – Apr 2015 |
| Barrett G-3-217297 | Heisey Ventures, Inc. only | Hardin, South (Wilcox 12700) | Liberty | 1 | 72.2K | 4.69M | Nov 2005 – Aug 2011 |
| Taub G-3-219256 | Hughes Oil Operating, LLC only | Hardin, South (Wilcox 12700) | Liberty | 1 | 60.8K | 4.39M | Jul 2006 – Apr 2017 |
| Barrett, W. J. O-3-25337 | Hughes Oil Operating, LLC only | Hardin, SW. (Davidson #2) | Liberty | 1 | 59K | 67K | Oct 2008 – Aug 2026 |
| Partlow Oil Unit No. 3 O-3-7745 | Odum Oil & Gas Co. only | Hardin | Liberty | 2 | 56.7K | 15.4K | by Jan 1993 – Aug 2026 |
| Partlow Oil Unit No. 1 O-3-7629 | Odum Oil & Gas Co. only | Hardin | Liberty | 2 | 56.7K | 22.4K | by Jan 1993 – Aug 2026 |
| Finley, W.T. O-3-25767 | Hughes Oil Operating, LLC only | Hardin (Y-3) | Liberty | 1 | 55.4K | 16.9K | May 2011 – Aug 2026 |
| Finley Unit O-3-24071 | Hughes Oil Operating, LLC only | Hardin | Liberty | 1 | 55K | 60.7K | Sep 2001 – Dec 2018 |
| Green O-3-18543 | Texas American Resources Company only | Hardin | Liberty | 1 | 47.2K | 369 | Nov 1993 – Jul 1998 |
| Richardson Unit G-3-207368 | Hughes Oil Operating, LLC only | Hardin, SW. (H. Daniel Sand) | Liberty | 1 | 44.6K | 3.98M | Dec 2004 – Jun 2014 |
| Richardson Oil Unit #3 O-3-7291 | Odum Oil & Gas Co. only | Hardin | Liberty | 1 | 43.8K | 22.8K | by Jan 1993 – Oct 2009 |
| Barrett, W J O-3-25039 | Hughes Oil Operating, LLC only | Hardin, SW. (Cook Mountain #1) | Liberty | 1 | 43.2K | 61.2K | Mar 2007 – Mar 2023 |
| Barrett, W. J., Estate O-3-4907 | Hughes Oil Operating, LLC only | Hardin, SW. (Frazier Seg N) | Liberty | 2 | 41K | 58.1K | by Jan 1993 – Aug 2002 |
| Finley, W. T., Est. O-3-9124 | Finley Oil Company, LLC only | Hardin | Liberty | 3 | 40.5K | 25 | by Jan 1993 – Jan 2022 |
| WT Finley (Smith) O-3-25228 | Hughes Oil Operating, LLC only | Hardin (Y-3) | Liberty | 1 | 38K | 41.9K | Jul 2008 – Aug 2026 |
| Humphreys G-3-206426 | Smith Production Inc. only | Hardin, SW. (H. Daniel Sand) | Liberty | 1 | 37.9K | 2.56M | Nov 2004 – Apr 2006 |
| Johnston Oil Unit No. 1 O-3-7851 | Odum Oil & Gas Co. only | Hardin | Liberty | 2 | 36.9K | 3.3K | by Jan 1993 – Aug 2026 |
| T M & K O-3-18694 | Crawford Hughes Operating Co. only | Hardin | Liberty | 1 | 34.3K | 75.3K | by Jan 1993 – Mar 2012 |
| Finley, W. T. G-3-201242 | Crawford Hughes Operating Co. only | Hardin (Cessna 7400) | Liberty | 1 | 32.7K | 21.3K | Mar 2004 – May 2011 |
| Partlow, W. D. O-3-7866 | Odum Oil & Gas Co. only | Hardin | Liberty | 2 | 28.2K | 27.3K | by Jan 1993 – Aug 2026 |
| Partlow, R. G. O-3-12778 | Crawford Energy Operating Co only | Hardin | Liberty | 2 | 23K | 61.5K | by Jan 1993 – Aug 2005 |
| Humphreys, K.V.H. O-3-24707 | PNG Operating Company only | Hardin (Y-12) | Liberty | 1 | 22.6K | 163K | Apr 2005 – Jul 2017 |
| Finley, G. & E. O-3-1910 | Hemco Development, LLC only | Hardin | Liberty | 1 | 20.8K | 2.21K | by Jan 1993 – Jun 2004 |
| Cessna, J. H. O-3-24567 | Crawford Hughes Operating Co. only | Hardin (Yegua 7960) | Liberty | 1 | 16.9K | 48.6K | Oct 2003 – Sep 2015 |
| Partlow, R.G. O-3-25313 | Hughes Oil Operating, LLC only | Hardin | Liberty | 2 | 14.2K | 68K | May 2008 – Feb 2015 |
| Humphreys O-3-24926 | Hughes Oil Operating, LLC only | Hardin, SW. (Cook Mountain #1) | Liberty | 1 | 9.74K | 30K | Jul 2006 – Aug 2011 |
| Roberts, J O-3-28115 | Hughes Oil Operating, LLC only | Hardin | Liberty | 1 | 7.73K | 1.15K | Sep 2022 – Aug 2026 |
| Barrett, W. J. Estate G-3-194002 | Heisey Ventures, Inc. only | Hardin, South (Barrett) | Liberty | 1 | 7.64K | 353K | Dec 2002 – Mar 2007 |
| Jose Coronado G-3-262309 | Smith Production Inc. only | Hardin, SE. (Yegua 9500 Sand) | Liberty | 1 | 7.5K | 182K | Jul 2011 – Nov 2011 |
| Cessna, J. H. G-3-281106 | Hughes Oil Operating, LLC only | Hardin (Yegua 7960) | Liberty | 1 | 7.1K | 3.03K | Aug 2019 – Aug 2026 |
| Finley, S. W. O-3-7870 | Hughes Oil Operating, LLC only | Hardin | Liberty | 1 | 5.53K | 4.21K | Jun 2011 – Dec 2012 |
| Wright, Susan, Etal O-3-1912 | Jay Management Company, LLC only | Hardin | Liberty | 1 | 5.11K | 78 | Nov 1993 – Apr 2013 |
| Davis, Wirt, Estate O-3-1915 | Crawford Hughes Operating Co. only | Hardin, SW. (Cook Mountain #1) | Liberty | 2 | 3.18K | 29.1K | by Jan 1993 – Feb 1995 |
| Southwest Hardin Oil Unit O-3-9436 | MJ Oil, Inc. only | Hardin, SW. (Frazier Seg N) | Liberty | 1 | 2.61K | 84 | by Jan 1993 – Feb 1994 |
| Partlow, R. G. G-3-223610 | Crawford Energy Operating Co only | Hardin (Y-10) | Liberty | 1 | 1.29K | 140K | Jun 2006 – May 2008 |
| Partlow Oil Unit No. 5 O-3-8327 | Hughes Oil Operating, LLC only | Hardin | Liberty | 1 | 1.17K | 11.6K | by Jan 1993 – Dec 2013 |
| Humphreys G-3-210893 | Heisey Ventures, Inc. only | Hardin, SW. (H. Daniel Sand) | Liberty | 1 | 1.05K | 61.9K | Aug 2005 – Dec 2010 |
| Wilson Gas Unit G-3-110065 | Hughes Oil Operating, LLC only | Hardin (7300) | Liberty | 1 | 1.03K | 211K | by Jan 1993 – Sep 2015 |
| Barrett O-3-26331 | Hughes Oil Operating, LLC only | Hardin, SW. (H. Daniel Sand) | Liberty | 1 | 603 | 505 | Jun 2013 – Jan 2015 |
| Humphreys, R. W. O-3-5400 | Jay Management Company, LLC only | Hardin | Liberty | 2 | 480 | 169 | by Jan 1993 – May 1998 |