| Texas Farm Products G-6-59717 | SDG Operating Company, Inc only | Douglass, W. (Travis Peak) | — | 1 | 0 | 928 | Jan 1993 – Jul 2026 |
| Stewart, Graham P. G-6-66023 | Rockcliff Energy Operating LLC only | Douglass, W. (Travis Peak) | — | 1 | 0 | 729K | Jan 1993 – May 2023 |
| King, S.H. Gas Unit G-6-84139 | Comstock Oil & Gas, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 0 | 287K | Jan 1993 – Aug 2020 |
| Hayter, Sam B. Est. G-6-87041 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 0 | 821K | Jan 1993 – Jul 2026 |
| Stewart, Graham P., Jr. G-6-93581 | Samson Lone Star, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 0 | 417K | Jan 1993 – Jun 2014 |
| Douglass GU 3 G-6-95990 | Samson Lone Star, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 0 | 13K | Jan 1993 – Oct 2007 |
| Douglass GU 8 G-6-96511 | Samson Lone Star LP only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 0 | 0 | Jan 1993 – Mar 1997 |
| Bates & Dorsey G-6-104813 | Fair Oil, Ltd. only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 0 | 468K | Jan 1993 – Jul 2026 |
| Devault, C. S. GU 1 G-6-105313 | Samson Lone Star, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 0 | 252K | Jan 1993 – Oct 2009 |
| Frank, R. H. GU 1 G-6-105581 | Wallace Operating Company LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 0 | 293K | Jan 1993 – Jul 2026 |
| Hayter, S. B. Estate G-6-107325 | Samson Lone Star, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 0 | 85.3K | Jan 1993 – Oct 2009 |
| Hayter, Sam B. Est. G-6-109957 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 0 | 1.06M | Jan 1993 – Jul 2026 |
| Rector, L.E. GU 1 G-6-111254 | Samson Lone Star, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 0 | 432K | Jan 1993 – Jun 2012 |
| Hayter, Sam B. Est. G-6-114160 | Wallace Operating Company LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 0 | 304K | Jan 1993 – Jul 2026 |
| Douglass GU 7-B G-6-114386 | Samson Lone Star, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 0 | 389K | Jan 1993 – Feb 2012 |
| Koonce, Tessie C. G-6-116003 | Comstock Oil & Gas, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 0 | 263K | Jan 1993 – Sep 2021 |
| Moser, L.E. GU 1 G-6-116253 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 0 | 548K | Jan 1993 – Jul 2026 |
| Stripling's, Inc. GU 1 G-6-116335 | Wallace Operating Company LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 0 | 397K | Jan 1993 – Jul 2026 |
| Hayter, Sam B. Est. G-6-120271 | Wallace Operating Company LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 0 | 272K | Jan 1993 – Jul 2026 |
| Douglass GU 6 G-6-181101 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 0 | 1.12M | Jan 2001 – Jul 2026 |
| Douglass GU 8 G-6-181913 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 0 | 1.28M | Mar 2001 – Jul 2026 |
| Douglass GU 2 G-6-182859 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 0 | 916K | Feb 2001 – Jul 2026 |
| Rector, L.E. GU 1 G-6-185176 | Wallace Operating Company LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 0 | 175K | Sep 2001 – Jul 2026 |
| Douglass GU 6 G-6-185765 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 0 | 633K | Oct 2001 – Jul 2026 |
| Dorsett, J. GU 1 G-6-186668 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 0 | 263K | Dec 2001 – Jul 2026 |
| Paige GU 1 G-6-188156 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 0 | 1.24M | Feb 2002 – Jul 2026 |
| Douglass GU 2 G-6-188385 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 0 | 1.08M | Mar 2002 – Jul 2026 |
| Mast GU 1 G-6-189253 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 0 | 257K | May 2002 – Jul 2026 |
| Hayter, Sam B. Est. G-6-189573 | Wallace Operating Company LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 0 | 902K | Dec 2001 – Jul 2026 |
| Hayter, Sam B. Est. G-6-189576 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 0 | 524K | Dec 2001 – Jul 2026 |
| Hayter, Sam B. Est. G-6-189578 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 0 | 928K | Jan 2002 – Jul 2026 |
| Hayter, Sam B. Est. G-6-189580 | Wallace Operating Company LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 0 | 474K | Apr 2002 – Jul 2026 |
| Hayter, Sam B. Est. G-6-189581 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 0 | 1.17M | Jun 2002 – Jul 2026 |
| Hayter "A" G-6-189839 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 0 | 1.19M | Dec 2001 – Jul 2026 |
| Hayter "A" G-6-190364 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 0 | 451K | Jul 2002 – Jul 2026 |
| Douglass GU 7-B G-6-190488 | Wallace Operating Company LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 0 | 1.43M | Jul 2002 – Jul 2026 |
| Shannon GU 1 G-6-191086 | Wallace Operating Company LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 0 | 126K | Sep 2002 – Jul 2026 |
| Renee GU 1 G-6-191088 | Wallace Operating Company LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 0 | 176K | Sep 2002 – Jul 2026 |
| Hayter, Sam B. Est. G-6-191183 | Wallace Operating Company LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 0 | 173K | Sep 2002 – Jul 2026 |
| Stewart, Graham P. G-6-191401 | Wallace Operating Company LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 0 | 0 | Jun 2002 – Jul 2026 |
| Hayter, Sam B. Est. G-6-191651 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 0 | 547K | Oct 2002 – Jul 2026 |
| Douglass GU 6 G-6-191762 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 0 | 853K | Nov 2002 – Jul 2026 |
| Bates, Inez G-6-191764 | Uphill Consulting LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 0 | 1.43M | Oct 2002 – Jul 2026 |
| Douglass GU 8 G-6-191948 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 0 | 344K | Oct 2002 – Jul 2026 |
| Douglass GU 8 G-6-192290 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 0 | 1.22M | Nov 2002 – Jul 2026 |
| Bates, Inez G-6-192664 | Uphill Consulting LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 0 | 1.45M | Dec 2002 – Jul 2026 |
| Hayter, Sam B. Est. G-6-192894 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 0 | 751K | Dec 2002 – Jul 2026 |
| Ruth GU 1 G-6-192949 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 0 | 2.4M | Dec 2002 – Jul 2026 |
| Hayter, Sam B. Est. G-6-193208 | Texian Operating Company, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 0 | 1.47M | Feb 2003 – Jul 2026 |
| Ryan, Don E. Gas Unit G-6-55840 | Comstock Oil & Gas, LP only | Douglass, W. (Travis Peak) | — | 1 | 0 | 307K | Jan 1993 – May 2016 |