| Hardy G-3-278455 | E2 Operating LLC only | Fort Trinidad (Glen Rose, Upper) | Madison | 1 | 104K | 409K | Jul 2014 – Jun 2026 |
| McClintock G-3-228968 | Samson Lone Star, LLC only | Hathaway, SE. (Hardy EY-4) | Jefferson | 1 | 54.9K | 1.18M | Apr 2007 – Mar 2010 |
| Hardy Unit G-13-268568 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Montague | 1 | 52.1K | 1.83M | Apr 2012 – Aug 2026 |
| Hardy Heirs-Modisette (SA) G-6-268392 | Sabine Energy Inc. only | Minden (Cotton Valley Cons.) | Rusk | 1 | 44.5K | 6.82M | Apr 2013 – Aug 2026 |
| Hardy B Unit G-13-269154 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Montague | 1 | 43.8K | 782K | Aug 2012 – Aug 2026 |
| Hardy a Unit G-13-268575 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Montague | 1 | 39.9K | 1.39M | Apr 2012 – Aug 2026 |
| Hardy C Unit G-13-269087 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Montague | 1 | 37.5K | 800K | Aug 2012 – Aug 2026 |
| Hardy a Unit G-13-268576 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Montague | 1 | 35.3K | 687K | Apr 2012 – Aug 2026 |
| Hardy Heirs-Modisette (SA) G-6-273623 | Sabine Energy Inc. only | Minden (Cotton Valley Cons.) | Rusk | 1 | 29.6K | 5.45M | Oct 2013 – Aug 2026 |
| Hardy, John - Wesson (SA) G-6-279247 | Sabine Energy Inc. only | Henderson, E. (Cotton Valley) | Rusk | 1 | 28.9K | 2.65M | Jun 2015 – Feb 2021 |
| Hardy, John - Wesson (SA) G-6-279440 | Sabine Energy Inc. only | Henderson, E. (Cotton Valley) | Rusk | 1 | 28.7K | 4.82M | Jun 2015 – Aug 2026 |
| Hardy Unit G-13-268567 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Montague | 1 | 23.8K | 1.4M | Apr 2012 – Aug 2026 |
| Hardy, John G-6-252257 | Sabine Energy Inc. only | Henderson, E. (Cotton Valley) | Rusk | 1 | 23.8K | 4.69M | Aug 2009 – Aug 2026 |
| Hardy B Unit G-13-269323 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Montague | 1 | 22.4K | 986K | Aug 2012 – Aug 2026 |
| Hardy-Ingram G-5-279617 | Fortune Resources LLC only | Rural Shade, S. (Rodessa) | Navarro | 1 | 14.8K | 533K | Feb 2016 – Jul 2026 |
| Wolf G-3-251640 | Kirkpatrick, John Oil LLC only | Lucky, West ( Hardy Horn, Lower) | Matagorda | 1 | 12.7K | 393K | Oct 2009 – Feb 2020 |
| Hardy, John G-6-210779 | Sabine Energy Inc. only | Henderson, E. (Cotton Valley) | Rusk | 1 | 9.54K | 893K | Nov 2004 – Aug 2026 |
| Hardy Gas Unit G-3-212831 | Devon Energy Production Co, L.P. only | Wadsworth, S. (Discorbis 14390) | Matagorda | 1 | 7.78K | 4.81M | May 2005 – Mar 2012 |
| Thomas G-14-129995 | Hardy Oil & Gas USA Inc. only | Frye Ranch (Granite Wash -A-) | Wheeler | 1 | 7.66K | 62.5K | by Jan 1993 – Jun 1993 |
| Hardy, John G-6-220613 | Sabine Energy Inc. only | Henderson, E. (Cotton Valley) | Rusk | 1 | 6.99K | 575K | Nov 2005 – May 2019 |
| Hardy, John G-6-215797 | Sabine Energy Inc. only | Henderson, E. (Cotton Valley) | Rusk | 1 | 6.85K | 846K | Jul 2005 – Aug 2026 |
| Hardy, John G-6-218058 | Sabine Energy Inc. only | Henderson, E. (Cotton Valley) | Rusk | 1 | 6.81K | 663K | Aug 2005 – Aug 2011 |
| Hardy-Price Unit G-13-262358 | Oakridge Oil and Gas, LP only | JMG Mag (Miss) | Jack | 1 | 5.98K | 301K | May 2011 – Aug 2026 |
| Hardy, John G-6-214976 | Sabine Energy Inc. only | Henderson, E. (Cotton Valley) | Rusk | 1 | 5.57K | 598K | Jun 2005 – Dec 2025 |
| Hardy, John G-6-235928 | Sabine Energy Inc. only | Henderson, E. (Cotton Valley) | Rusk | 1 | 5.23K | 537K | Sep 2007 – Jul 2018 |
| Hardy Heirs G-6-213622 | Sabine Energy Inc. only | Minden (Cotton Valley Cons.) | Rusk | 1 | 5.21K | 742K | Apr 2005 – Aug 2026 |
| Hardy Heirs G-6-205767 | Sabine Energy Inc. only | Minden (Cotton Valley Cons.) | Rusk | 1 | 4.73K | 836K | Apr 2004 – Sep 2018 |
| Fortenberry, Hardy G-13-193361 | HW Operating, LLC only | Newark, East (Barnett Shale) | Wise | 1 | 4.5K | 236K | Nov 2002 – Dec 2023 |
| Richardson, Hardy G-3-154663 | H.E.R. Operating, LLC only | Buna, North (Yegua #4) | Jasper | 1 | 3.81K | 259K | Jun 1995 – Mar 2024 |
| Hardy, John G-6-244142 | Sabine Energy Inc. only | Henderson, E. (Cotton Valley) | Rusk | 1 | 3.43K | 589K | Nov 2008 – Dec 2018 |
| Hardy, Beatrice G-13-182841 | Upham Oil & Gas Company only | Boonsville (Bend Congl., Gas) | Jack | 1 | 3.33K | 803K | May 2001 – Aug 2026 |
| Hardy Heirs G-6-229126 | Sabine Energy Inc. only | Minden (Cotton Valley Cons.) | Rusk | 1 | 2.92K | 624K | May 2007 – Aug 2026 |
| Hardy, John G-6-79180 | Sabine Energy Inc. only | Henderson, E. (Cotton Valley) | Rusk | 1 | 1.25K | 378K | by Jan 1993 – Apr 2019 |
| Hardy Horn G-3-216462 | Sue-Ann Operating, L.C. only | Lario (10400) | Matagorda | 1 | 1.24K | 124K | Apr 2006 – Jan 2007 |
| Louis Wolf G-3-106321 | Huber, J. M., Corporation only | Lucky, West ( Hardy Horn, Lower) | Matagorda | 1 | 1.12K | 141K | by Jan 1993 – Jul 1994 |
| Hardy, Beatrice G-13-29274 | Upham Oil & Gas Company only | Boonsville (Bend Congl., Gas) | Jack | 1 | 972 | 532K | by Jan 1993 – Aug 2026 |
| Hardy, D.B. G-6-76949 | Buffco Production Inc. only | Beckville (Cotton Valley) | Panola | 1 | 811 | 74.5K | by Jan 1993 – Sep 2006 |
| Hardy, Beatrice G-13-224580 | Upham Oil & Gas Company only | Newark, East (Barnett Shale) | Jack | 1 | 651 | 258K | Aug 2006 – Aug 2026 |
| Hardy, Rufus -B- G-3-185159 | Mission Resources Corporation only | Raccoon Bend (Gutowsky) | Waller | 1 | 634 | 56.8K | Aug 2001 – Jul 2002 |
| Hardy, Willis G-14-214184 | Integrity H2O LLC only | Pan Petro (Cleveland) | Ochiltree | 1 | 503 | 18.7K | Jul 2005 – Aug 2009 |
| Hardy G-14-223892 | Courson Oil & Gas, Inc. only | Hardy (Novi) | Ochiltree | 1 | 480 | 104K | Mar 2007 – Aug 2019 |
| Judice G-14-95049 | Mewbourne Oil Company only | Hardy (Morrow, Upper) | Ochiltree | 1 | 356 | 172K | by Jan 1993 – Oct 1999 |
| Hardy, Willis G-14-93470 | JCB II Enterprises, LLC only | Pan Petro (Cleveland) | Ochiltree | 1 | 350 | 494K | by Jan 1993 – Aug 2009 |
| Hardy-Middleton Unit G-13-122666 | Richey, Ray Management Co., Inc. only | Boonsville (Bend Congl., Gas) | Wise | 1 | 247 | 25.1K | by Jan 1993 – Dec 1999 |
| Rankin, Ray G-8-288660 | Bayou Operating Company, Inc. only | Hardy (Marble Falls) | Brown | 1 | 123 | 2.61K | Mar 2020 – Aug 2026 |
| Courson G-14-171884 | Huntington Energy, L.L.C. only | Hardy (Morrow, Upper) | Ochiltree | 1 | 110 | 11.3K | Nov 1998 – Sep 2000 |
| Hardy, Beatrice G-13-180525 | Upham Oil & Gas Company only | JMG Mag (Miss) | Jack | 1 | 105 | 20.7K | Sep 2000 – May 2001 |
| Dawdy G-3-187002 | Sue-Ann Operating, L.C. only | Lucky, West ( Hardy Horn, Upper) | Matagorda | 1 | 91 | 6.3K | Oct 2001 – Nov 2001 |
| Rufus Hardy "B" G-3-258048 | Enhanced Energy Partners Corp only | Raccoon Bend (Cockfield Lower) | Waller | 1 | 55 | 2.97K | Aug 2010 – Dec 2010 |
| Hardy G-3-153262 | Antara Resources, Inc. only | Maple Branch (Yegua) | Walker | 1 | 31 | 843K | Dec 1994 – Aug 1998 |