| Gulley, M. E. O-6-13400 | XTO Energy Inc. only | Bethany (Werner) | Panola | 1 | 96.2K | 445K | Mar 1995 – Feb 2016 |
| Gulley, M.E. O-6-13660 | XTO Energy Inc. only | Bethany (Werner) | Panola | 1 | 58.7K | 866K | Apr 1997 – Apr 2018 |
| Gulley, Marvin O-6-14382 | XTO Energy Inc. only | Bethany (Werner) | Panola | 1 | 39.5K | 275K | Dec 2004 – Aug 2019 |
| Midyett-Gulley Unit G-6-171998 | XTO Energy Inc. only | Bethany, East (Cotton Valley) | Panola | 1 | 30.1K | 1.82M | Dec 1998 – Aug 2026 |
| Welder-Gulley O-4-13985 | Sun Exploration, Inc. only | Oneil (5500) | San Patricio | 1 | 21.4K | 14.3K | Feb 2016 – Jul 2026 |
| Welder Gulley O-4-14048 | Poco LLC only | Oneil (5500) | San Patricio | 1 | 18.1K | 7.25K | May 2017 – Aug 2026 |
| Midyett-Gulley Unit G-6-56744 | XTO Energy Inc. only | Bethany, East (Cotton Valley) | Panola | 1 | 16.1K | 2.33M | by Jan 1993 – Aug 2026 |
| Gulley, Marvin G-6-231792 | XTO Energy Inc. only | Bethany, East (Cotton Valley) | Panola | 1 | 16K | 1.22M | Aug 2007 – Aug 2026 |
| Midyett-Gulley Unit G-6-231978 | XTO Energy Inc. only | Bethany, East (Cotton Valley) | Panola | 1 | 12.2K | 292K | Aug 2007 – Dec 2018 |
| Gulley, M.E. Gas Unit G-6-187631 | Diversified Production LLC only | Carthage, North (Cotton Valley) | Panola | 1 | 9.77K | 566K | Oct 2001 – Aug 2026 |
| Gulley, M. E. O-6-11904 | Fina Oil & Chemical Company only | Bethany (Travis Peak-Gulley Sd.) | Panola | 1 | 9.76K | 29 | by Jan 1993 – Apr 1996 |
| Gulley, Marvin G-6-202991 | XTO Energy Inc. only | Bethany, East (Cotton Valley) | Panola | 1 | 9.21K | 498K | Apr 2004 – May 2014 |
| Midyett-Gulley Unit G-6-184905 | XTO Energy Inc. only | Bethany, East (Cotton Valley) | Panola | 1 | 8.4K | 435K | Jun 2001 – Aug 2026 |
| Midyett-Gulley Units G-6-169238 | XTO Energy Inc. only | Bethany (Travis Peak) | Panola | 1 | 6.41K | 1.05M | Mar 1995 – Mar 2015 |
| Gulley, M.E. Gas Unit G-6-181380 | Diversified Production LLC only | Carthage, North (Cotton Valley) | Panola | 1 | 5.67K | 618K | Jan 2001 – Apr 2015 |
| M. E. Gulley Oil Unit O-6-14174 | Devon Energy Production Co, L.P. only | Deberry (Travis Peak) | Panola | 1 | 5.37K | 30.7K | Jun 2002 – Apr 2003 |
| Gulley, M.E. Gas Unit G-6-197838 | Diversified Production LLC only | Carthage, North (Cotton Valley) | Panola | 1 | 5.37K | 528K | Sep 2003 – Dec 2019 |
| Gulley, M.E. Gas Unit G-6-185217 | Diversified Production LLC only | Deberry (Travis Peak) | Panola | 1 | 5.13K | 805K | Oct 2001 – Nov 2015 |
| Gulley, M.E. Gas Unit G-6-182991 | Diversified Production LLC only | Carthage, North (Cotton Valley) | Panola | 1 | 4.28K | 1.01M | May 2001 – Aug 2026 |
| Gulley Gas Unit 1 G-6-220368 | Brookston Energy, Inc. only | Carthage (Haynesville Shale) | Harrison | 1 | 3.82K | 158K | Mar 2006 – Jul 2026 |
| Gulley Gas Unit 1 G-6-218349 | Comstock Oil & Gas, LLC only | Carthage, North (Cotton Valley) | Harrison | 1 | 3.74K | 322K | Jan 2006 – Oct 2022 |
| Gulley Gas Unit No. 1 G-6-226509 | Brookston Energy, Inc. only | Carthage, North (Cotton Valley) | Harrison | 1 | 3.63K | 308K | Oct 2006 – Jul 2026 |
| Gulley Gas Unit No. 1 G-6-222520 | Brookston Energy, Inc. only | Carthage, North (Cotton Valley) | Harrison | 1 | 3.42K | 521K | Jul 2006 – Jul 2026 |
| Gulley Gas Unit No. 1 G-6-225184 | Brookston Energy, Inc. only | Carthage, North (Cotton Valley) | Harrison | 1 | 3.27K | 237K | Sep 2006 – Jul 2026 |
| Gulley Gas Unit 1 G-6-222327 | Brookston Energy, Inc. only | Carthage (Haynesville Shale) | Harrison | 1 | 3.21K | 430K | May 2006 – Jul 2026 |
| Gulley, M.E. Gas Unit G-6-185216 | Devon Energy Production Co, L.P. only | Carthage, North (Cotton Valley) | Panola | 1 | 2.82K | 139K | Sep 2001 – Jul 2008 |
| Midyett-Gulley G-6-147452 | Fina Oil & Chemical Company only | Midyett (Cotton Valley Upper) | Panola | 1 | 2.56K | 71.2K | May 1993 – Feb 1995 |
| Gulley Gas Unit No. 1 G-6-233831 | Brookston Energy, Inc. only | Carthage, North (Cotton Valley) | Harrison | 1 | 2.55K | 233K | Nov 2007 – Jul 2026 |
| Gulley Gas Unit No. 1 G-6-225458 | Brookston Energy, Inc. only | Carthage, North (Cotton Valley) | Harrison | 1 | 2.54K | 474K | Sep 2006 – Dec 2025 |
| Gulley Gas Unit No. 1 G-6-226967 | Comstock Oil & Gas, LLC only | Carthage, North (Cotton Valley) | Harrison | 1 | 2.42K | 176K | Oct 2006 – Aug 2010 |
| Gulley Gas Unit No. 1 G-6-230346 | Brookston Energy, Inc. only | Carthage, North (Cotton Valley) | Harrison | 1 | 1.88K | 321K | Jun 2007 – Jun 2025 |
| Gulley Gas Unit No. 1 G-6-235478 | Brookston Energy, Inc. only | Carthage, North (Cotton Valley) | Harrison | 1 | 1.88K | 373K | Jan 2008 – Aug 2026 |
| Gulley, M.E. Gas Unit G-6-195361 | Diversified Production LLC only | Deberry (Travis Peak) | Panola | 1 | 1.86K | 32.9K | May 2003 – Apr 2010 |
| Gulley G-13-28528 | Burk Royalty Co., Ltd. only | Boonsville (Bend Congl., Gas) | Jack | 1 | 1.75K | 339K | by Jan 1993 – May 2011 |
| Gulley Gas Unit No. 1 G-6-229042 | Brookston Energy, Inc. only | Carthage, North (Cotton Valley) | Harrison | 1 | 1.64K | 310K | Jun 2007 – Aug 2026 |
| Gulley Gas Unit 1 G-6-282720 | Comstock Oil & Gas, LLC only | Carthage (Haynesville Shale) | Harrison | 1 | 1.53K | 8.37M | Mar 2017 – Aug 2026 |
| Gulley, Calvin O-1-5624 | Pontiac Oil, Inc. only | Pearsall (Austin Chalk) | Frio | 4 | 1.29K | 9 | by Jan 1993 – Sep 1993 |
| Gulley, T. R. O-1-12713 | Pontiac Oil, Inc. only | Pearsall (Austin Chalk) | Frio | 1 | 1.29K | 7 | Mar 1993 – Sep 1993 |
| Gulley, Marvin G-6-174536 | XTO Energy Inc. only | Bethany (Pettit) | Panola | 1 | 1.26K | 327K | Oct 1997 – Sep 2015 |
| Gulley Gas Unit No. 1 G-6-235994 | Brookston Energy, Inc. only | Carthage, North (Cotton Valley) | Harrison | 1 | 1.22K | 242K | Feb 2008 – Aug 2026 |
| Gulley, Marvin G-6-89042 | XTO Energy Inc. only | Bethany, East (Cotton Valley) | Panola | 1 | 993 | 114K | by Jan 1993 – Apr 1996 |
| Welder-Gulley G-4-280007 | Mertz Energy LLC only | Oneil (6800) | San Patricio | 1 | 913 | 75K | May 2016 – Apr 2017 |
| Gulley Gas Unit No. 1 G-6-235476 | Brookston Energy, Inc. only | Carthage, North (Cotton Valley) | Harrison | 1 | 896 | 220K | Dec 2007 – Jul 2026 |
| Gulley, Marvin G-6-280057 | XTO Energy Inc. only | Bethany (Travis Peak Cons.) | Panola | 1 | 763 | 295K | Oct 2015 – Aug 2026 |
| Gulley, M.E. Gas Unit G-6-183224 | Diversified Production LLC only | Deberry (Travis Peak) | Panola | 1 | 757 | 69.9K | Jun 2001 – Jul 2005 |
| Midyett-Gulley G-6-259846 | XTO Energy Inc. only | Carthage (Haynesville Shale) | Panola | 1 | 540 | 3.85M | May 2010 – Jun 2023 |
| Gulley, Marvin G-6-89952 | Totalfinaelf E&P USA Inc only | Bethany (Travis Peak) | Panola | 1 | 536 | 87.9K | by Jan 1993 – Feb 1998 |
| Gulley, Marvin G-6-120616 | Fina Oil & Chemical Company only | Bethany, East (Cotton Valley) | Panola | 1 | 414 | 83.9K | by Jan 1993 – Sep 1997 |
| Gulley, Maynard G-8-138743 | Subsurface Production, Inc. only | Coleman County Regular | Coleman | 1 | 248 | 27.2K | by Jan 1993 – Jan 2017 |
| Midyett-Gulley Units G-6-29571 | Fina Oil & Chemical Company only | Bethany (Travis Peak) | Panola | 1 | 139 | 22.7K | by Jan 1993 – Dec 1996 |