| Morrill-Dreadnought Unit A G-1-298867 | Verdun Oil & Gas LLC only | Eagleville (Eagle Ford-1) | McMullen | 1 | 0 | 635K | Aug 2021 – Jul 2026 |
| Morrill-Dreadnought Unit B G-1-299014 | Verdun Oil & Gas LLC only | Eagleville (Eagle Ford-1) | McMullen | 1 | 0 | 949K | Jan 2022 – Jul 2026 |
| Morrill-Dreadnought G-1-299015 | Verdun Oil & Gas LLC only | Eagleville (Eagle Ford-1) | McMullen | 1 | 0 | 875K | Aug 2021 – Jul 2026 |
| Morrill-Dreadnought G-1-299016 | Verdun Oil & Gas LLC only | Eagleville (Eagle Ford-1) | McMullen | 1 | 0 | 730K | Sep 2021 – Jul 2026 |
| Treadaway, R. O. G-2-924 | Shelton, W. B., Tr. only | Bloomington (Greta Stringer) | — | 1 | 0 | 0 | Jan 1993 – Jan 1994 |
| Braman, D. H. Jr. et AL G-2-145101 | Waters Eng. & Operating, Inc. only | Gingerbread (Frio 6720 Sd.) | Victoria | 1 | 0 | 21.4K | Jan 1993 – Jul 1993 |
| Braman, D. H. Jr. et AL G-2-145413 | Sue-Ann Production Company only | Gingerbread (Frio 5950 Sd.) | Victoria | 1 | 0 | 920 | Feb 1993 – Aug 1995 |
| Braman, D. H. Jr., et AL G-2-149057 | Sue-Ann Production Company only | Gingerbread (Frio 6705 Sd.) | Victoria | 1 | 0 | 43.6K | Feb 1994 – Oct 1995 |
| Seven-J Stock Farm, Inc. G-3-31389 | Treadstone Energy Partners, LLC only | Ft. Trinidad, E. (Glen Rose E) | Houston | 1 | 0 | 0 | Jan 1993 – Aug 2013 |
| Wakefield & Harrison -A- G-3-31529 | Treadstone Energy Partners, LLC only | Fort Trinidad, W. (Glen Rose B) | Madison | 1 | 0 | 0 | Jan 1993 – Jun 2013 |
| Ft.trinidad Upper Glen Rose Unit G-3-32368 | Treadstone Energy Partners, LLC only | Fort Trinidad (Glen Rose, Upper) | Madison | 1 | 0 | 787 | Jan 1993 – Jun 2013 |
| Ft.trinidad Upper Glen Rose Unit G-3-32372 | Treadstone Energy Partners, LLC only | Fort Trinidad (Glen Rose, Upper) | Houston | 1 | 0 | 207 | Jan 1993 – Aug 2013 |
| Ft.trinidad Upper Glen Rose Unit G-3-32381 | Treadstone Energy Partners, LLC only | Fort Trinidad (Glen Rose, Upper) | Houston | 1 | 0 | 0 | Jan 1993 – Sep 2013 |
| Ft.trinidad Upper Glen Rose Unit G-3-32382 | Treadstone Energy Partners, LLC only | Fort Trinidad (Glen Rose, Upper) | Houston | 1 | 0 | 0 | Jan 1993 – Jun 2013 |
| Ft.trinidad Upper Glen Rose Unit G-3-32385 | Treadstone Energy Partners, LLC only | Fort Trinidad (Glen Rose, Upper) | Houston | 1 | 0 | 178 | Jan 1993 – Aug 2013 |
| Ft.trinidad Upper Glen Rose Unit G-3-32386 | Treadstone Energy Partners, LLC only | Fort Trinidad (Glen Rose, Upper) | Houston | 1 | 0 | 0 | Jan 1993 – Mar 2014 |
| Little, L. A., Unit G-3-32742 | Treadstone Energy Partners, LLC only | Ft. Trinidad, E. (Glen Rose D) | Houston | 1 | 0 | 0 | Jan 1993 – Sep 2013 |
| Treadaway Land Co. G-3-89257 | Amoco Production Company only | Beaumont, West (4300) | Jefferson | 1 | 0 | 0 | Jan 1993 – Nov 1993 |
| Treadway Land Co. G-3-125020 | Amoco Production Company only | Beaumont, West (Miocene 2400) | Jefferson | 1 | 0 | 18.6K | Jan 1993 – May 1995 |
| Treadaway Land Company G-3-126601 | Amoco Production Company only | Beaumont, West (Miocene 3700) | Jefferson | 1 | 0 | 0 | Jan 1993 – Nov 1993 |
| Treadaway Land Company G-3-154590 | Amoco Production Company only | Beaumont, West (Miocene 2800) | Jefferson | 1 | 0 | 140K | May 1995 – Nov 1998 |
| Treadway Land Company G-3-167336 | Amoco Production Company only | Beaumont, West (Miocene 4600) | Jefferson | 1 | 0 | 10.5K | Nov 1997 – Jun 1998 |
| Treadway Land Company G-3-167443 | Amoco Production Company only | Beaumont, West (Miocene 2900) | Jefferson | 1 | 0 | 0 | Feb 1998 – Nov 1998 |
| Treadway Land Company G-3-169096 | Amoco Production Company only | Beaumont, West (Miocene 3700) | Jefferson | 1 | 0 | 57.2K | Jun 1998 – Nov 1998 |
| Treadaway Land Company G-3-171467 | Amoco Production Company only | Beaumont, West (Miocene 3700) | Jefferson | 1 | 0 | 0 | Aug 1998 – Nov 1998 |
| Treadway SWD G-3-184836 | Eqv Operating LLC only | Zaporah (Wilcox) | Polk | 1 | 0 | 0 | Aug 2001 – Jul 2026 |
| Read G-3-191090 | Texas Coastal Oil and Gas, LLC only | Wildcat | Tyler | 1 | 0 | 0 | Jan 2002 – Mar 2012 |
| Threadgill G-3-279216 | Orx Resources, L.L.C. only | Kings Court (Y-4) | Newton | 1 | 0 | 1.99M | Jan 2015 – Jul 2026 |
| Ready G-4-165100 | Tri-Union Development Corp. only | Los Reyes (Wilcox) | Duval | 1 | 0 | 35.3K | Oct 1995 – Apr 2000 |
| Ready, Roberts G-4-182193 | Rodessa Operating Company only | Rosita (10,250) | Duval | 1 | 0 | 358K | Feb 2001 – Sep 2015 |
| T-Bar-X/Read G-5-211859 | Diversified Production LLC only | Savell (Bossier Sand) | Robertson | 1 | 0 | 15.4M | Jun 2005 – Jul 2026 |
| T-Bar-X/Read G-5-229870 | Diversified Production LLC only | Savell (Bossier Sand) | Robertson | 1 | 0 | 4M | Nov 2006 – Jul 2026 |
| Treadaway G-6-183812 | Quantum Resources Management,llc only | Willow Springs (Cotton Valley,w) | Gregg | 1 | 0 | 316K | Jun 2001 – Nov 2013 |
| Treadaway G-6-184827 | Quantum Resources Management,llc only | Willow Springs (Cotton Valley,w) | Gregg | 1 | 0 | 649K | Jun 2001 – Oct 2013 |
| Treadaway G-6-188085 | Diversified Production LLC only | Willow Springs (Cotton Valley,w) | Gregg | 1 | 0 | 349K | Nov 2001 – Jul 2026 |
| Treadaway G-6-188087 | Diversified Production LLC only | Willow Springs (Cotton Valley,w) | Gregg | 1 | 0 | 788K | Jan 2002 – Jul 2026 |
| Treadaway G-6-188759 | Diversified Production LLC only | Willow Springs (Cotton Valley,w) | Gregg | 1 | 0 | 1.11M | Feb 2002 – Jul 2026 |
| Treadaway G-6-190473 | Quantum Resources Management,llc only | Willow Springs (Cotton Valley,w) | Gregg | 1 | 0 | 232K | Jun 2002 – Dec 2014 |
| Treadwell Gas Unit G-6-229164 | BRG Lone Star Ltd. only | Ezim (Travis Peak) | Rusk | 1 | 0 | 4.44K | Apr 2007 – Feb 2015 |
| Treadwell G-8-62612 | Borderline Operating Corp. only | Harken (Conglomerate) | — | 1 | 0 | 31.7K | Jan 1993 – Oct 2014 |
| Treadwell-Allen Unit G-8-69179 | Borderline Operating Corp. only | Harken (Conglomerate) | — | 1 | 0 | 115K | Jan 1993 – Oct 2014 |
| Treadgill-Ross G-8-155446 | Westridge Oil & Gas Properties only | Riebe (Atoka Congl) | Palo Pinto | 1 | 0 | 133K | Jul 1995 – Apr 2006 |
| Treadwell "M" G-8-162891 | Cottonwood Petroleum Co. only | Joe & Grady Daws (Lower Strawn) | Throckmorton | 1 | 0 | 39.2K | May 1997 – Sep 1998 |
| Treadwell, J. H. "B" G-9-18879 | Taurus Minerals, Inc. only | Fort McKavitt (Canyon) | Schleicher | 1 | 0 | 26.9K | Jan 1993 – May 1999 |
| Treadwell G-9-18881 | Boaz Energy II Operating, LLC only | Fort McKavitt (Canyon) | — | 1 | 0 | 501K | Jan 1993 – Jun 2025 |
| Treadwell G-9-18886 | Treadwell, Gary C. only | Fort McKavitt (Canyon) | — | 1 | 0 | 57.3K | Jan 1993 – Jul 2026 |
| Treadwell, J.H. G-9-61508 | Ridgeline Energy Inc. only | Fort McKavitt (Canyon) | — | 1 | 0 | 33K | Jan 1993 – Sep 2015 |
| Treadwell, J. H. G-9-81838 | Williams Oil Company only | Fort McKavitt (Canyon) | Schleicher | 1 | 0 | 157K | Jan 1993 – Oct 2008 |
| Treadwell, John H. 69 G-9-93905 | AH Operating, LLC only | Fort McKavitt (Canyon) | Schleicher | 1 | 0 | 628K | Jan 1993 – Jul 2026 |
| Morrill-Dreadnought G-1-296896 | Verdun Oil & Gas LLC only | Eagleville (Eagle Ford-1) | McMullen | 1 | 0 | 561K | Mar 2023 – Jul 2026 |