| Panola Development Company G-6-261371 | Glassell Producing Company, Inc. | Carthage (Travis Peak) | Panola | 1 | 19.5K | 437K | Dec 2010 – Jan 2022 |
| Dunaway Gas Unit G-6-96677 | Glassell Producing Company, Inc. | Carthage (Cotton Valley) | Panola | 1 | 0 | 990K | Jan 1993 – Oct 2019 |
| Bounds, Ella Gas Unit G-6-110169 | Glassell Producing Company, Inc. | Carthage (Cotton Valley) | Panola | 1 | 0 | 1.73M | Jan 1993 – Apr 2026 |
| Wiener, W.B. Jr. et Al G-6-115998 | Glassell Producing Company, Inc. | Carthage (Cotton Valley) | Panola | 1 | 0 | 1.04M | Jan 1993 – May 2010 |
| Wiener, W.B. Jr. et Al G-6-126225 | Glassell Producing Company, Inc. | Carthage (Cotton Valley) | Panola | 1 | 0 | 1.27M | Jan 1993 – Apr 2026 |
| Panola Development Company G-6-126574 | Glassell Producing Company, Inc. | Carthage (Cotton Valley) | Panola | 1 | 0 | 627K | Jan 1993 – Aug 2010 |
| Bounds, Ella Gas Unit G-6-129887 | Glassell Producing Company, Inc. | Carthage (Cotton Valley) | Panola | 1 | 0 | 1M | Jan 1993 – Apr 2026 |
| Christian, C.O. Heirs Unit G-6-139183 | Glassell Producing Company, Inc. | Carthage (Travis Peak 6450) | Panola | 1 | 0 | 996K | Jan 1993 – Apr 2000 |
| Christian, C.O. Heirs Unit G-6-139927 | Glassell Producing Company, Inc. | Carthage (Travis Peak 6450) | Panola | 1 | 0 | 1.76M | Jan 1993 – Jul 2020 |
| Bird, G.W. Gas Unit G-6-142309 | Glassell Producing Company, Inc. | Carthage (Cotton Valley) | Panola | 1 | 0 | 920K | Jan 1993 – Apr 2026 |
| Panola Development Co. G-6-149326 | Glassell Producing Company, Inc. | Carthage (Travis Peak 6450) | Panola | 1 | 0 | 792K | Mar 1994 – Nov 2020 |
| Dunaway G-6-151891 | Glassell Producing Company, Inc. | Carthage (Travis Peak) | Panola | 1 | 0 | 2.45M | Nov 1994 – Mar 2010 |
| Cooke, J.W. Unit G-6-153864 | Glassell Producing Company, Inc. | Carthage (Travis Peak 6310) | Panola | 1 | 0 | 454K | Feb 1995 – Jan 2010 |
| Dunaway G-6-154461 | Glassell Producing Company, Inc. | Carthage (Travis Peak 6450) | Panola | 1 | 0 | 1.05M | May 1995 – Dec 2008 |
| Dunaway Gas Unit G-6-158913 | Glassell Producing Company, Inc. | Carthage (Cotton Valley) | Panola | 1 | 0 | 640K | Apr 1996 – Feb 2009 |
| Ellis G-6-158980 | Glassell Producing Company, Inc. | Carthage (Cotton Valley) | Panola | 1 | 0 | 717K | Apr 1996 – Dec 2005 |
| Dunaway Gas Unit G-6-161972 | Glassell Producing Company, Inc. | Carthage (Travis Peak 6450) | Panola | 1 | 0 | 730K | Jan 1997 – Aug 2006 |
| Dunaway Gas Unit G-6-162115 | Glassell Producing Company, Inc. | Carthage (Cotton Valley) | Panola | 1 | 0 | 1.35M | Jan 1997 – Jan 2025 |
| Dunaway Gas Unit G-6-166100 | Glassell Producing Company, Inc. | Carthage (Cotton Valley) | Panola | 1 | 0 | 621K | Nov 1997 – Nov 2012 |
| Dunaway Gas Unit G-6-167870 | Glassell Producing Company, Inc. | Carthage (Cotton Valley) | Panola | 1 | 0 | 884K | Mar 1998 – Oct 2021 |
| Christian, C.O. Heirs G-6-174391 | Glassell Producing Company, Inc. | Carthage (Glen Rose) | Panola | 1 | 0 | 1.07M | Sep 1999 – Jan 2022 |
| Dunaway G-6-180021 | Glassell Producing Company, Inc. | Carthage (Travis Peak) | Panola | 1 | 0 | 1.76M | Oct 2000 – Apr 2026 |
| Christian, C.O. Heirs Unit G-6-182987 | Glassell Producing Company, Inc. | Carthage (Travis Peak 7400) | Panola | 1 | 0 | 855K | May 2001 – Apr 2026 |
| Christian, C.O. Heirs Unit G-6-182988 | Glassell Producing Company, Inc. | Carthage (6900) | Panola | 1 | 0 | 0 | — |
| Christian, C.O. G-6-199354 | Glassell Producing Company, Inc. | Carthage (6900) | Panola | 1 | 0 | 180K | Dec 2003 – Mar 2008 |
| Christian, C.O. Heirs Unit G-6-205735 | Glassell Producing Company, Inc. | Carthage (Travis Peak) | Panola | 1 | 0 | 540K | Sep 2004 – Nov 2020 |
| Panola Development Company G-6-208342 | Glassell Producing Company, Inc. | Carthage (Cotton Valley) | Panola | 1 | 0 | 237K | Jan 2005 – Nov 2008 |
| Panola Development Company G-6-213702 | Glassell Producing Company, Inc. | Carthage (Cotton Valley) | Panola | 1 | 0 | 1.17M | Jun 2005 – Apr 2026 |
| Panola Development Company G-6-214716 | Glassell Producing Company, Inc. | Carthage (Cotton Valley) | Panola | 1 | 0 | 804K | Aug 2005 – Jan 2022 |
| Panola Development Company G-6-216831 | Glassell Producing Company, Inc. | Carthage (Travis Peak) | Panola | 1 | 0 | 598K | Nov 2005 – Nov 2021 |
| Dunaway Gas Unit G-6-217304 | Glassell Producing Company, Inc. | Carthage (Cotton Valley) | Panola | 1 | 0 | 676K | Sep 2005 – Dec 2017 |
| Ellis, J. Ralph Jr. G-6-218714 | Glassell Producing Company, Inc. | Carthage (Travis Peak 6450) | Panola | 1 | 0 | 162K | Jan 2006 – Oct 2008 |
| Dunaway Gas Unit G-6-219035 | Glassell Producing Company, Inc. | Carthage (Travis Peak 6820) | Panola | 1 | 0 | 1.09M | Feb 2006 – Sep 2020 |
| Wiener, W.B. Jr. et Al G-6-231360 | Glassell Producing Company, Inc. | Carthage (Cotton Valley) | Panola | 1 | 0 | 899K | Apr 2007 – Apr 2026 |
| Bird, G.W. Gas Unit G-6-232198 | Glassell Producing Company, Inc. | Carthage (Cotton Valley) | Panola | 1 | 0 | 581K | Sep 2007 – May 2018 |
| Panola Development Company G-6-232216 | Glassell Producing Company, Inc. | Carthage (Cotton Valley) | Panola | 1 | 0 | 1.09M | Aug 2007 – Mar 2026 |
| Christian, C.O. Heirs Unit G-6-236445 | Glassell Producing Company, Inc. | Carthage (Travis Peak) | Panola | 1 | 0 | 94.5K | Apr 2008 – Apr 2015 |
| Dunaway Gas Unit G-6-240092 | Glassell Producing Company, Inc. | Carthage (L. Pettit 6100) | Panola | 1 | 0 | 554K | Aug 2008 – Apr 2026 |
| Ellis G-6-243295 | Glassell Producing Company, Inc. | Carthage (Pettit, Lower) | Panola | 1 | 0 | 487K | Nov 2008 – Apr 2026 |
| Panola Development G-6-243556 | Glassell Producing Company, Inc. | Carthage (6900) | Panola | 1 | 0 | 43.4K | Dec 2008 – Apr 2010 |
| Dunaway Gas Unit G-6-244224 | Glassell Producing Company, Inc. | Carthage (Pettit, Lower) | Panola | 1 | 0 | 160K | Dec 2008 – May 2024 |
| Cooke, J.W. Unit G-6-256425 | Glassell Producing Company, Inc. | Carthage (Pettit, Lower) | Panola | 1 | 0 | 486K | Feb 2010 – Apr 2026 |
| Panola Development Company G-6-256436 | Glassell Producing Company, Inc. | Carthage (Travis Peak 6450) | Panola | 1 | 0 | 460K | May 2010 – Sep 2016 |
| Panola Development Company G-6-260216 | Glassell Producing Company, Inc. | Carthage (Travis Peak) | Panola | 1 | 0 | 348K | Sep 2010 – Apr 2026 |
| Wiener, W. B. Jr et Al G-6-260760 | Glassell Producing Company, Inc. | Carthage (Travis Peak) | Panola | 1 | 0 | 191K | Jun 2010 – Apr 2019 |
| Dunaway Gas Unit G-6-260770 | Glassell Producing Company, Inc. | Carthage (Pettit, Lower) | Panola | 1 | 0 | 488K | Apr 2010 – Apr 2026 |
| Wiener, W.B. Jr. et Al G-6-261479 | Glassell Producing Company, Inc. | Carthage (Cotton Valley) | Panola | 1 | 0 | 460K | Mar 2011 – Apr 2026 |
| Panola Development Company G-6-261808 | Glassell Producing Company, Inc. | Carthage (Cotton Valley) | Panola | 1 | 0 | 199K | Mar 2011 – Aug 2016 |
| Christian, C.O. Heirs Unit G-6-266768 | Glassell Producing Company, Inc. | Carthage (Travis Peak) | Panola | 1 | 0 | 310K | Feb 2011 – Apr 2026 |
| Dunaway Gas Unit G-6-268274 | Glassell Producing Company, Inc. | Carthage (Travis Peak 6400) | Panola | 1 | 0 | 134K | Dec 2012 – Oct 2021 |