| Maxwell G-14-218469 | Mmgl Txph, LLC only | Buffalo Wallow (Granite Wash) | Wheeler | 1 | 3.4K | 311K | Jun 2006 – Aug 2026 |
| Hinkson O-8-28704 | Dodson Prairie Oil & Gas LLC only | Maxwell Trust (Congl.) | Palo Pinto | 1 | 3.26K | 62.2K | Oct 1999 – Jan 2015 |
| Maxwell Unit O-3-28020 | Kaler Energy Corp. only | Menefee (Frio 5500) | Wharton | 1 | 3.17K | 69.7K | Feb 2023 – May 2024 |
| Maxwell G-5-202390 | Diversified Production LLC only | Bald Prairie (CV Consolidated) | Robertson | 1 | 3.11K | 274K | May 2004 – Aug 2026 |
| Maxwell, J.P. Est. G-6-221819 | TGNR Gulf Coast LLC only | Oak Hill (Cotton Valley) | Rusk | 1 | 3.06K | 584K | Jun 2006 – Aug 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 |
| Turner, Maxwell #1 O-9-11851 | Martin, Jimmy Inc only | T. D. (6575) | Tom Green | 1 | 2.81K | 63 | by Jan 1993 – Apr 1998 |
| Maxwell 14 G-10-197207 | Chevron U. S. A. Inc. only | Emperor (Simpson) | Winkler | 1 | 2.74K | 18.9K | May 2003 – Aug 2003 |
| Maxwell South O-8-31198 | Brigadier Operating, LLC only | Burns-Dalton(marble Falls) | Jack | 1 | 2.36K | 115K | May 2013 – Jun 2014 |
| Maxwell 18 G-10-191652 | Permex Petroleum Corporation only | Emperor (Wichita Albany) | Winkler | 1 | 2.35K | 176K | May 2002 – Feb 2022 |
| Hickman, Ace O-8-238 | Maxwell, Rex only | Brown County Regular | Brown | 2 | 2.23K | 20 | by Jan 1993 – Oct 2009 |
| Maxwell, Virgil O-13-24934 | Catlin, Carl only | Kinder (Caddo Basal Congl.) | Jack | 1 | 2.15K | 27.4K | by Jan 1993 – Oct 2002 |
| 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 | 2K | 144K | Nov 2017 – Aug 2026 |
| Barr "A" O-8-29298 | Window Operating Co., The only | Maxwell (Morris Sand) | Coleman | 1 | 1.98K | 13K | Sep 2003 – Jun 2014 |
| Maxwell Trust "A" O-8-28577 | Upham Oil & Gas Company only | Strawn, NW. (Marble Falls) | Palo Pinto | 1 | 1.9K | 53.8K | Jan 1999 – Sep 2008 |
| Maxwell O-8-23488 | Rayco Operating, Inc. only | Whitley (Jennings Sand) | Coleman | 3 | 1.89K | 24 | by Jan 1993 – Aug 1995 |
| Maxwell "23" O-10-36056 | OXY USA Inc. only | Emperor, East (Pennsylvanian) | Winkler | 1 | 1.86K | 6.25K | Apr 1999 – Jul 1999 |
| 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 |
| Bassi-Maxwell O-1-7245 | Eagle Ford Oil Co., Inc. only | Salt Flat | Caldwell | 2 | 1.31K | 791 | by Jan 1993 – Oct 2014 |
| Turner, Maxwell #2 O-9-11936 | Martin, Jimmy Inc only | T. D. (6575) | Tom Green | 1 | 1.19K | 22 | by Jan 1993 – Mar 1995 |
| Maxwell G-14-52873 | Courson Oil & Gas, Inc. only | Philcon-Maxwell (Morrow, LO) | Ochiltree | 1 | 1.19K | 859K | by Jan 1993 – Aug 2026 |
| Barr O-8-23476 | Windham Resources, Inc. only | Maxwell (Morris Sand) | Coleman | 1 | 1.11K | 19 | by Jan 1993 – Jan 1996 |
| 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 O-8-18721 | B & B Oil, Inc. only | Hawk Eye (Adams Branch) | Eastland | 12 | 691 | 21 | by Jan 1993 – Jun 2009 |
| 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 | by 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 |
| Barr O-8-31009 | Window Operating Co., The only | Maxwell (Morris Sand) | Coleman | 1 | 523 | 0 | Jul 2011 – Feb 2012 |
| Maxwell G-8-185437 | Parks, Rhone Inc. only | Stephens County Regular (Gas) | Stephens | 1 | 512 | 21.2K | Aug 2001 – Aug 2026 |
| Maxwell O-13-28528 | Lindemann, James D. only | Archer County Regular | Archer | 1 | 406 | 5 | Mar 1993 – Jul 1993 |
| Maedgen, Pinky, Etal O-8-8765 | Rod, Inc. only | Maxwell (Morris Sand) | Coleman | 1 | 385 | 23 | by Jan 1993 – Jul 2000 |
| 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 | by 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 | by 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 | by 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 O-13-24006 | Western Chief Oil & Gas Company only | Pearl (Basil) | Jack | 1 | 70 | 8.6K | by Jan 1993 – Apr 1994 |
| Maxwell, P.D. O-3-11907 | Fort Worth Natural Gas, Inc. only | Joyce Richardson (6900 Yegua) | Harris | 1 | 54 | 345 | Apr 1993 – Mar 1999 |
| 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 |