| Maxwell Gas Unit G-6-270985 | XTO Energy Inc. only | Carthage (Cotton Valley) | Panola | 1 | 52.1K | 2.83M | Jun 2013 – Apr 2026 |
| Maxwell "18" G-10-174840 | Permex Petroleum Corporation only | Emperor (Simpson) | Winkler | 1 | 36.8K | 1.47M | Jun 1999 – Nov 2025 |
| Maxwell a Unit G-13-274039 | EOG Resources, Inc. only | Newark, East (Barnett Shale) | Montague | 1 | 35.7K | 1.72M | Feb 2010 – Apr 2026 |
| Maxwell Gas Unit G-6-234791 | XTO Energy Inc. only | Carthage (Cotton Valley) | Panola | 1 | 28.3K | 834K | Nov 2007 – Apr 2026 |
| Maxwell "23" G-10-186443 | Permex Petroleum Corporation only | Emperor (Simpson) | Winkler | 1 | 21K | 1.97M | Oct 2001 – Nov 2019 |
| Maxwell Unit G-14-101377 | Mmgl Txph, LLC only | Dyco (Granite Wash) | Wheeler | 1 | 18.1K | 2.98M | Jan 1993 – Mar 2025 |
| Maxwell, T.D. G-6-283189 | Diversified Production LLC only | Minden (Travis Peak Cons.) | Rusk | 1 | 15.2K | 429K | Jul 2017 – Apr 2026 |
| Maxwell Gas Unit 1 G-6-286399 | Buckhorn Operating LLC only | Brachfield, S.E. (Cotton Valley) | Rusk | 1 | 11.1K | 3M | Oct 2018 – Apr 2026 |
| Maxwell "18" G-10-195445 | Permex Petroleum Corporation only | Emperor (Simpson) | Winkler | 1 | 10.3K | 1.59M | Oct 2002 – Dec 2025 |
| Maxwell "23" G-10-174573 | Chevron U. S. A. Inc. only | Emperor (Wichita Albany) | Winkler | 1 | 8.8K | 105K | Aug 1999 – Jan 2005 |
| Maxwell G-13-201935 | Eagleridge Operating, LLC only | Newark, East (Barnett Shale) | Wise | 1 | 8.58K | 1.32M | Jul 2004 – Apr 2026 |
| Maxwell, Robert D. G-3-279697 | Fort Apache Energy, Inc. only | Kirbyville (6600) | Jasper | 1 | 8.26K | 101K | Dec 2014 – Nov 2017 |
| Maxwell, T. D. G-6-154382 | Diversified Production LLC only | Minden (Travis Peak Cons.) | Rusk | 1 | 6.35K | 519K | May 1995 – Nov 2005 |
| Maxwell G-13-200932 | Eagleridge Operating, LLC only | Newark, East (Barnett Shale) | Wise | 1 | 6.24K | 1.29M | Apr 2004 – Apr 2026 |
| Maxwell-Txu G-6-286622 | Buckhorn Operating LLC only | Brachfield, S.E. (Cotton Valley) | Rusk | 1 | 6.16K | 2.09M | Feb 2019 – Apr 2026 |
| Maxwell T. D. G-6-161286 | Fidelity Explor. & Prod. Co. only | Minden (Travis Peak Cons.) | Rusk | 1 | 5.24K | 768K | Oct 1996 – Apr 2011 |
| Maxwell G-13-200933 | Eagleridge Operating, LLC only | Newark, East (Barnett Shale) | Wise | 1 | 4.7K | 261K | Mar 2004 – Aug 2013 |
| Maxwell Billy J. G-13-206649 | Aruba Petroleum, Inc. only | Newark, East (Barnett Shale) | Wise | 1 | 4.01K | 132K | Feb 2005 – Dec 2013 |
| Maxwell G-14-218469 | Mmgl Txph, LLC only | Buffalo Wallow (Granite Wash) | Wheeler | 1 | 3.4K | 311K | Jun 2006 – Apr 2026 |
| Maxwell G-5-202390 | Diversified Production LLC only | Bald Prairie (CV Consolidated) | Robertson | 1 | 3.11K | 273K | May 2004 – Apr 2026 |
| Maxwell, J.P. Est. G-6-221819 | TGNR Gulf Coast LLC only | Oak Hill (Cotton Valley) | Rusk | 1 | 3.02K | 579K | Jun 2006 – Apr 2026 |
| Maxwell, J.P. Est. G-6-217295 | TGNR Gulf Coast LLC only | Oak Hill (Cotton Valley) | Rusk | 1 | 2.87K | 496K | Dec 2005 – Dec 2025 |
| Maxwell 14 G-10-197207 | Chevron U. S. A. Inc. only | Emperor (Simpson) | Winkler | 1 | 2.74K | 18.9K | May 2003 – Aug 2003 |
| Maxwell 18 G-10-191652 | Permex Petroleum Corporation only | Emperor (Wichita Albany) | Winkler | 1 | 2.35K | 176K | May 2002 – Feb 2022 |
| Maxwell, Billy J. G-13-212745 | Aruba Petroleum, Inc. only | Newark, East (Barnett Shale) | Wise | 1 | 2.08K | 93.3K | Oct 2005 – Oct 2013 |
| Maxwell, T.D. G-6-283141 | Diversified Production LLC only | Minden (Travis Peak Cons.) | Rusk | 1 | 1.8K | 141K | Nov 2017 – Apr 2026 |
| Hinkson G-8-156642 | Upham, Chester R., Jr. only | Maxwell Trust (Congl.) | Palo Pinto | 1 | 1.66K | 84.2K | Nov 1995 – Sep 1999 |
| Maxwell Gas Unit 1 G-6-237110 | Buckhorn Operating LLC only | Brachfield, S.E. (Cotton Valley) | Rusk | 1 | 1.62K | 482K | Mar 2008 – Jan 2019 |
| Maxwell South Unit G-8-274230 | Eagleridge Operating, LLC only | Burns-Dalton(marble Falls) | Jack | 1 | 1.51K | 118K | Jul 2014 – May 2019 |
| Virgil Maxwell G-13-273282 | Rbe Jack Archer, LLC only | Rider (Marble Falls) | Jack | 1 | 1.42K | 23.5K | Dec 2012 – Jan 2015 |
| Maxwell Ranch G-8-274096 | Eagleridge Operating, LLC only | Burns-Dalton(marble Falls) | Jack | 1 | 1.41K | 13.1K | Jul 2014 – Aug 2021 |
| Maxwell G-14-52873 | Courson Oil & Gas, Inc. only | Philcon-Maxwell (Morrow, LO) | Ochiltree | 1 | 1.19K | 853K | Jan 1993 – Apr 2026 |
| Maxwell Gas Unit 1 G-6-234187 | Cabot Oil & Gas Corporation only | Brachfield, S.E. (Cotton Valley) | Rusk | 1 | 980 | 607K | Sep 2007 – Mar 2013 |
| Maxwell Unit G-13-279995 | Eagleridge Operating, LLC only | KRS (Marble Falls) | Jack | 1 | 941 | 77.6K | Feb 2015 – Aug 2021 |
| Maxwell, T.D. G-6-282789 | Diversified Production LLC only | Minden (Travis Peak Cons.) | Rusk | 1 | 911 | 196K | Jun 2017 – Sep 2020 |
| Maxwell Gas Unit 1 G-6-237658 | Buckhorn Operating LLC only | Brachfield, S.E. (Cotton Valley) | Rusk | 1 | 733 | 385K | Feb 2008 – Jan 2019 |
| Maxwell, Virgil E. G-13-193912 | Rbe Jack Archer, LLC only | Kinder (Caddo Basal Congl.) | Jack | 1 | 663 | 76.3K | Nov 2002 – Aug 2015 |
| Maxwell G-13-233513 | Excel Oil & Gas, Inc. only | Newark, East (Barnett Shale) | Wise | 1 | 654 | 18.9K | Aug 2007 – Aug 2008 |
| Maxwell G-14-75707 | Mmgl Txph, LLC only | Hemphill (Granite Wash.) | Hemphill | 1 | 647 | 191K | Jan 1993 – Jun 2016 |
| Maxwell Gas Unit 1 G-6-234188 | Cabot Oil & Gas Corporation only | Minden (Travis Peak Cons.) | Rusk | 1 | 543 | 68K | Nov 2010 – Mar 2013 |
| Maxwell G-8-185437 | Parks, Rhone Inc. only | Stephens County Regular (Gas) | Stephens | 1 | 512 | 21.2K | Aug 2001 – Apr 2026 |
| Maxwell Gas Unit 1 G-6-236344 | Buckhorn Operating LLC only | Minden, W. (Rodessa Hill) | Rusk | 1 | 344 | 1.52M | Feb 2008 – Apr 2015 |
| Maxwell West G-13-118115 | Oakridge Oil and Gas, LP only | Wolfe (Conglomerate) | Jack | 1 | 266 | 5.8K | Jan 1993 – Jun 2011 |
| Welder, J. F. Heirs 211 G-4-140013 | Suemaur Exploration, Inc. only | Dejay Deep (Maxwell House Sand) | Duval | 1 | 208 | 64.2K | Jan 1993 – Jun 1994 |
| Barnett G-14-178166 | TC Oil and Gas, LLC only | Philcon-Maxwell (Morrow, LO) | Ochiltree | 1 | 193 | 236K | Jul 2000 – Jul 2019 |
| Maxwell Unit G-3-103227 | Douglas Petroleum Inc. only | Big -a- Taylor | Burleson | 1 | 145 | 36.8K | Jan 1993 – Jun 1997 |
| H D Maxwell et Al G-6-290055 | Diversified Production LLC only | Shiloh (Rodessa) | Rusk | 1 | 73 | 262 | Sep 2020 – May 2023 |
| Maxwell Gas Unit 1 G-6-229008 | Buckhorn Operating LLC only | Brachfield, S.E. (Cotton Valley) | Rusk | 1 | 54 | 355K | May 2007 – Jul 2010 |
| Welder 102 G-4-173282 | Brigham Oil & Gas, L.P. only | Dejay Deep (Maxwell House Sand) | Duval | 1 | 50 | 6.57K | Dec 1998 – Apr 1999 |
| Maxwell G-13-149300 | Western Chief Oil & Gas Company only | Pearl (Basil) | Jack | 1 | 27 | 15.7K | May 1994 – May 1998 |