| Otto Gas Unit No. 1 G-4-195099 | Roy Jackson Energy Operating, LL only | Kingsville, SW (Cochiti) | Kleberg | 1 | 556K | 2.56M | May 2003 – Dec 2023 |
| Sullivan Deep "C" Gas Unit No. 1 G-4-262015 | Paleo Oil Company LLC only | Ann Mag (Vicksburg Cons.) | Brooks | 1 | 116K | 901K | Jun 2011 – Apr 2026 |
| Sullivan Deep "C" Gas Unit No. 1 G-4-260170 | Bluefin Resources LLC only | Ann Mag (Vicksburg Cons.) | Brooks | 1 | 111K | 769K | Feb 2011 – May 2022 |
| Indian Rock Gas Unit No. 1 G-6-141271 | Sulphur River Exploration, Inc. only | Gilmer(jurassic) | Upshur | 1 | 109K | 8.51M | Jan 1993 – Mar 2026 |
| Otto Gas Unit No. 1 G-4-194247 | Roy Jackson Energy Operating, LL only | Kingsville, SW (Cochiti) | Kleberg | 1 | 101K | 416K | Mar 2003 – Sep 2023 |
| Wilson, R. K. Gas Unit No. 1 G-3-142716 | Dune Operating Company only | Chocolate Bayou (Frio R-1) | Brazoria | 1 | 98.2K | 2.81M | Jan 1993 – Mar 1996 |
| Broussard Gas Unit No. 1 G-3-171520 | Mariner Energy, Inc. only | Pine Island Bayou (Yegua EY-1) | Jefferson | 1 | 97.9K | 2.5M | Dec 1998 – May 2000 |
| Sharman Gas Unit No. 1 G-3-33420 | Daylight Petroleum LLC only | Milton, N. (13000) | Harris | 1 | 89.5K | 6.88M | Feb 1993 – Jun 2024 |
| Wilson, R. K. Gas Unit No. 1 G-3-158958 | Dune Operating Company only | Chocolate Bayou (12,000) | Brazoria | 1 | 66.8K | 2.33M | Mar 1996 – May 2008 |
| Indian Rock Gas Unit No. 1 G-6-144091 | Sulphur River Exploration, Inc. only | Gilmer(jurassic) | Upshur | 1 | 63.8K | 4.64M | Jan 1993 – Apr 2026 |
| Minden Gas Unit No. 1 G-6-267916 | Faulconer Energy, LLC only | Henderson, E. (Cotton Valley) | Rusk | 1 | 61.7K | 5.47M | Feb 2013 – Apr 2026 |
| Rhodes, V.E. Gas Unit No. 1 G-2-157793 | Capital Star Oil & Gas, Inc. only | Word, N. (Edwards) | Lavaca | 1 | 59K | 6.77M | Jan 1996 – Apr 2026 |
| Decatur Gas Unit No. 1 G-13-224555 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Wise | 1 | 58K | 3.31M | Sep 2006 – Apr 2026 |
| Nimmo Gas Unit No. 1 G-4-194405 | Wagner Oil Company only | La Copita (Vicksburg Cons.) | Starr | 1 | 56.6K | 632K | Feb 2003 – Apr 2026 |
| Crenshaw Gas Unit No. 1 G-6-143796 | TGNR Panola LLC only | Bethany, East (Cotton Valley) | Panola | 1 | 52K | 3.76M | Jan 1993 – Apr 2026 |
| Minden Gas Unit No. 1 G-6-264545 | Faulconer Energy, LLC only | Henderson, E. (Cotton Valley) | Rusk | 1 | 49.6K | 6.08M | Dec 2011 – Apr 2026 |
| Sullivan Deep "C" Gas Unit No. 1 G-4-263124 | Paleo Oil Company LLC only | Ann Mag (Vicksburg Cons.) | Brooks | 1 | 47K | 625K | Sep 2011 – Feb 2020 |
| Wilson, R. K. Gas Unit No. 1 G-3-149511 | Texaco E & P Inc. only | Chocolate Bayou (12,000) | Brazoria | 1 | 46.3K | 1.85M | Mar 1994 – Jul 1997 |
| Sullivan Deep "C" Gas Unit No. 1 G-4-265591 | Paleo Oil Company LLC only | Ann Mag (Vicksburg Cons.) | Brooks | 1 | 41.7K | 540K | Dec 2011 – Feb 2022 |
| Miller, Edna P. Gas Unit No. 1 G-3-172994 | Eqv Operating LLC only | New Ace (Wilcox Consol.) | Polk | 1 | 37.9K | 2.15M | Mar 1999 – Oct 2015 |
| Taylor, Cora Gas Unit No. 1 G-13-231175 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Wise | 1 | 37.6K | 2.51M | May 2007 – Apr 2026 |
| Carthage Gas Unit No. 14 G-6-170509 | BP America Production Company only | Carthage (Cotton Valley) | Panola | 1 | 37.4K | 1.46M | Aug 1998 – Feb 2017 |
| Sullivan Deep "C" Gas Unit No. 1 G-4-245716 | Rumble Energy LLC only | Ann Mag (Vicksburg Cons.) | Brooks | 1 | 36.4K | 797K | Nov 2008 – Jan 2025 |
| Sullivan Deep "C" Gas Unit No. 1 G-4-269018 | Rumble Energy LLC only | Ann Mag (Vicksburg Cons.) | Brooks | 1 | 36.3K | 236K | Oct 2012 – Feb 2021 |
| Carthage Gas Unit No. 15 G-6-171299 | BP America Production Company only | Carthage (Cotton Valley) | Panola | 1 | 36K | 1.62M | Apr 1998 – Oct 2017 |
| Goodall-Doss Gas Unit No. 1 G-3-279975 | Hilcorp Energy Company only | Wadsworth, S. (Tex-Miss A) | Matagorda | 1 | 35K | 1.04M | Apr 2015 – Apr 2026 |
| McBride Gas Unit No. 1 G-5-282970 | Diversified Production LLC only | Branton (Rodessa) | Leon | 1 | 34.2K | 2.76M | May 2017 – Apr 2026 |
| Nimmo Gas Unit No. 1 G-4-141203 | Wagner Oil Company only | Rincon, N. (Vicksburg Cons.) | Starr | 1 | 30.4K | 1.72M | Jan 1993 – Oct 2016 |
| Stacy Gas Unit No. 1 G-6-218725 | TGNR East Texas II LLC only | Waskom (Cotton Valley) | Harrison | 1 | 30.3K | 1.74M | Dec 2005 – Apr 2026 |
| Fulton, George Gas Unit No. 1 G-5-150942 | Hilcorp Energy Company only | Farrar (Travis Peak) | Freestone | 1 | 30.3K | 2.89M | Jul 1994 – Feb 2020 |
| Novian, A. F. Gas Unit No. 1 G-2-114021 | Hilcorp Energy Company only | Toro Grande (7700 Yegua) | Jackson | 1 | 30.3K | 6.29M | Jan 1993 – Mar 2000 |
| Odom Gas Unit No. 1 G-6-142593 | Faulconer Energy, LLC only | Rosewood (Cotton Valley) | Upshur | 1 | 30.1K | 3.25M | Jan 1993 – Apr 2026 |
| Horton, Toby Gas Unit No. 1 G-6-226407 | Sydri Operating, LLC only | Danville (TP-CV Cons.) | Gregg | 1 | 30.1K | 1.11M | Feb 2007 – Feb 2021 |
| Taylor, Cora Gas Unit No. 1 G-13-231140 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Wise | 1 | 29.6K | 2.06M | May 2007 – Apr 2026 |
| Carthage Gas Unit No. 15 G-6-169109 | Mmgl East Texas III, LLC only | Carthage (Cotton Valley) | Panola | 1 | 27.7K | 1.68M | Mar 1998 – Apr 2026 |
| Spikes Gas Unit No. 1 O-6-15221 | Jandar Exploration, L. C. only | Minden (Travis Peak Cons.) | Rusk | 7 | 25.8K | 887K | Jul 2013 – Apr 2026 |
| Garrison Gas Unit No. 1 G-6-218014 | Mag Exploration LLC only | Garrison (Travis Peak) | Nacogdoches | 1 | 25K | 1.46M | Jan 2006 – Aug 2025 |
| Harwell Gas Unit No. 1-A G-5-84483 | Tenison Oil Company only | Trinidad, S. (Rodessa) | Henderson | 1 | 25K | 1.03M | Jan 1993 – Apr 2020 |
| Garrison Gas Unit No. 1 G-6-222670 | Virtex Operating Company, Inc. only | Garrison (Travis Peak) | Nacogdoches | 1 | 23.3K | 913K | Sep 2006 – Mar 2023 |
| Indian Rock Gas Unit No. 1 G-6-184679 | Sulphur River Exploration, Inc. only | Gilmer(jurassic) | Upshur | 1 | 21.8K | 1.79M | May 2001 – Aug 2025 |
| Jones Gas Unit No. 1 G-6-265242 | Sabine Energy Inc. only | Oak Hill (Cotton Valley) | Rusk | 1 | 21.5K | 4.07M | Oct 2012 – Apr 2026 |
| Pyote Gas Unit No. 13 G-10-245711 | XTO Energy Inc. only | Block 16 (Montoya) | Ward | 1 | 21.4K | 4.21M | Aug 2008 – Dec 2022 |
| Crenshaw Gas Unit No. 1 G-6-178928 | TGNR Panola LLC only | Bethany, East (Cotton Valley) | Panola | 1 | 21.4K | 1.08M | Aug 2000 – May 2017 |
| Henderson Gas Unit No. 1 G-6-257040 | Eqv Operating LLC only | Lansing, N. (Cotton Valley, Lo.) | Gregg | 1 | 21.4K | 4.25M | May 2010 – Apr 2026 |
| Thomas, Jeff Gas Unit No. 1 G-5-142951 | Hilcorp Energy Company only | Farrar (Travis Peak) | Limestone | 1 | 21.3K | 5.93M | Jan 1993 – Apr 2026 |
| Carthage Gas Unit No. 14 G-6-172193 | Mmgl East Texas III, LLC only | Carthage (Cotton Valley) | Panola | 1 | 21.3K | 3M | Dec 1998 – Nov 2008 |
| Crain Gas Unit No. 1 G-2-75232 | Whiting Oil and Gas Corporation only | Meyersville, Upper (Wilcox 8000) | De Witt | 1 | 21.2K | 1.16M | Jan 1993 – Apr 2006 |
| Carthage Gas Unit No. 14 G-6-174211 | Mmgl East Texas III, LLC only | Carthage (Cotton Valley) | Panola | 1 | 21K | 1.65M | May 1999 – Jan 2024 |
| Carthage Gas Unit No. 15 G-6-130088 | Mmgl East Texas III, LLC only | Carthage (Cotton Valley) | Panola | 1 | 20K | 871K | Feb 1993 – Apr 2026 |
| Nimmo Gas Unit No. 1 G-4-192918 | Wagner Oil Company only | La Copita (Vicksburg Cons.) | Starr | 1 | 18.9K | 1.78M | Dec 2002 – Apr 2026 |