| Joe D. Mathis O-8-19993 | Mathis & Sons, Inc. only | Sagerton, E. (Burson) | Haskell | 1 | 3.76K | 36 | Jan 1993 – Oct 2002 |
| Mathis, R. E. O-8-7660 | L.C.S. Production Company only | Sagerton, NE. (Strawn) | Haskell | 2 | 3.12K | 12.4K | Jan 1993 – Dec 2001 |
| Mathis O-8-30780 | Mercury Operating, LLC only | Sagerton, NE. (Strawn, UP) | Haskell | 1 | 3.11K | 0 | May 2011 – Sep 2019 |
| Mathis O-11-60891 | Endeavor Energy Resources L.P. only | Tex-Hamon (Dean) | — | 2 | 2.92K | 249 | Jan 1993 – Sep 2021 |
| George O-4-12132 | Mortimer Exploration Company only | Mathis, North (3400 Frio) | San Patricio | 1 | 2.9K | 10.6K | Jan 1993 – Sep 1997 |
| Mathis O-13-23991 | Swan PC, LP only | Pearl Mosley (Congl., Upper) | Jack | 1 | 2.71K | 249K | Jan 1993 – Jul 2026 |
| Parris O-8-28515 | Mathis & Sons, Inc. only | Rule (Conglomerate) | Haskell | 1 | 2.57K | 0 | Jul 1998 – Oct 2002 |
| Fowler O-4-13086 | Mortimer Production Company only | Mathis, North (2780) | San Patricio | 1 | 2.42K | 0 | May 2002 – Jan 2004 |
| Zimmerman O-4-11414 | Dinero Oil Corporation only | Mathis, E. (Kieschnick Sand) | San Patricio | 1 | 2.42K | 26 | Jan 1993 – Jun 1995 |
| Person, F. O-4-11423 | Salvador Oil, LLC only | Mathis, East (Big Geep) | San Patricio | 2 | 2.32K | 160 | Jan 1993 – Jul 2026 |
| Williams-Mathis O-13-31636 | F&H Operating Company LLC only | Willis (Strawn-Buttram) | Young | 1 | 1.28K | 15.9K | May 2010 – Jul 2026 |
| Mathis "B" O-13-34410 | B.O.L.D. Oil and Gas, LLC only | Jack County Regular | Jack | 1 | 1.28K | 0 | Apr 2025 – Jul 2026 |
| Person, August O-4-9681 | Southwest Gathering Company only | Mathis, E. (la Rosa) | San Patricio | 1 | 985 | 4.13K | Jan 1993 – Mar 2008 |
| Jostes O-4-13138 | Mortimer Exploration Company only | Mathis, N. (4000) | San Patricio | 1 | 821 | 189 | Dec 2002 – Jun 2003 |
| Mathis, W. R. -A- O-13-3941 | Catlin, Carl only | Steed | — | 1 | 794 | 5.44K | Jan 1993 – Aug 1996 |
| Mathis O-13-25971 | Willowbend Investments, Inc. only | Steed, West (Strawn 2950) | Jack | 1 | 791 | 2.08K | Jan 1993 – Jul 2026 |
| Mathis, L. G. O-5-2676 | United Oil & Minerals L. P. only | Hilltop Resort (Austin Chalk) | Leon | 1 | 742 | 28 | Jan 1993 – Feb 2001 |
| Mathis, Ben M. O-8-15537 | Waters Petroleum only | Shackelford County Regular | Shackelford | 1 | 568 | 21 | Jan 1993 – Aug 2016 |
| Winsauer O-4-12326 | Mortimer Exploration Company only | Mathis, North (3400 Frio) | San Patricio | 1 | 383 | 3 | Mar 1994 – Jan 1995 |
| Huntsinger O-4-12111 | Legacy Oil & Gas, Inc. only | Mathis, East (Big Geep) | San Patricio | 1 | 75 | 1 | Jan 1993 – Mar 2008 |
| Steinkraus O-4-10603 | Southwest Gathering Company only | Mathis, East (5250) | San Patricio | 1 | 65 | 7 | Jan 1993 – Oct 2008 |
| Mathis, L. H. O-11-65274 | Shell Western E&P Inc. only | Ownby (Clear Fork, Upper) | Yoakum | 1 | 59 | 2 | Jan 1993 – Apr 1993 |
| Mathis Gas Unit G-8-91768 | Spindletop Oil & Gas Company only | Springtown (5500) | Parker | 1 | 0 | 369K | Jan 1993 – Jul 2026 |
| Mathis G-8-99420 | Quest Petroleum Company only | J. V. T. (Congl. 4250) | Palo Pinto | 1 | 0 | 0 | Jan 1993 – Jul 2026 |
| Mathis G-8-99601 | Quest Petroleum Company only | J. V. T. (Strawn 2400) | Palo Pinto | 1 | 0 | 172K | Jan 1993 – Jul 2026 |
| Mathis-Gregory G-13-29128 | Eagleridge Operating, LLC only | Boonsville (Bend Congl., Gas) | — | 1 | 0 | 219K | Jan 1993 – Jul 2026 |
| Mathis G-13-66829 | Western Chief Oil & Gas Company only | Jack County Regular (Gas) | — | 1 | 0 | 29.9K | Jan 1993 – Sep 2005 |
| Mathis G-13-124781 | Borderline Operating Corp. only | TJN (Conglomerate) | Jack | 1 | 0 | 461K | Jan 1993 – Jun 2012 |
| Mathis, J. C. G-13-140361 | Swan PC, LP only | Kramberger (Atoka Congl.) | Jack | 1 | 0 | 103K | Jan 1993 – Jun 2012 |
| Mathis, W. R. "A" G-13-154732 | Catlin, Carl only | Steed | — | 1 | 0 | 18.4K | Jun 1995 – Jul 2000 |
| Mathis Coal Car G-13-230997 | BKV North Texas, LLC only | Newark, East (Barnett Shale) | Tarrant | 1 | 0 | 1.42M | Jul 2007 – Jul 2026 |
| South Mathis G-13-238749 | Willowbend Investments, Inc. only | Pearl Mosley (Congl., Upper) | Jack | 1 | 0 | 122K | Aug 2008 – May 2023 |
| Westerfeld Mathis Unit 1 G-13-239368 | TEP Barnett USA, LLC only | Newark, East (Barnett Shale) | Tarrant | 1 | 0 | 2.01M | May 2008 – Jul 2026 |
| Westerfeld-Mathis Unit 1 G-13-248084 | Chesapeake Operating, Inc. only | Newark, East (Barnett Shale) | Tarrant | 1 | 0 | 0 | Apr 2008 – May 2008 |
| Westerfeld Mathis Unit 1 G-13-248086 | TEP Barnett USA, LLC only | Newark, East (Barnett Shale) | Tarrant | 1 | 0 | 1.55M | Apr 2008 – Jul 2026 |
| Mathis Coal Car Unit G-13-253955 | BKV North Texas, LLC only | Newark, East (Barnett Shale) | Tarrant | 1 | 0 | 1.65M | Jan 2008 – Jul 2026 |
| Mathis Coal Car Unit G-13-253956 | BKV North Texas, LLC only | Newark, East (Barnett Shale) | Tarrant | 1 | 0 | 2.51M | Jan 2008 – Jul 2026 |
| Mathis Coal Car Unit G-13-254666 | BKV North Texas, LLC only | Newark, East (Barnett Shale) | Tarrant | 1 | 0 | 1.12M | Jan 2008 – Jul 2026 |
| Mathis, J. W., -B- O-3-8044 | Parten Operating Inc. only | Madisonville, North | — | 1 | 0 | 0 | Jan 1993 – Apr 2002 |
| Mathis, J. W. G-3-35826 | Wildfire Energy Operating LLC only | Madisonville (Sub-Clark, Gas) | — | 1 | 0 | 2.14M | Jan 1993 – Jul 2026 |
| Zimmerman, Frank O-4-3544 | Hays, T.G. Petroleum Expl., Inc. only | Mathis, E. (Zimmerman Sand) | San Patricio | 1 | 0 | 0 | Jan 1993 – Sep 1993 |
| Dees, T. S. O-4-7346 | Schaaron International Energy only | Mathis, East (Dees 4300) | — | 1 | 0 | 0 | Jan 1993 – Aug 2003 |
| Adams Estate O-4-11035 | Chopelas, Kent only | Mathis, East (Adams) | San Patricio | 1 | 0 | 0 | Jan 1993 – Mar 1993 |
| Adams O-4-11555 | Aransas Drlg & Workover Co Inc only | Mathis, E. (Kieschnick Sand) | San Patricio | 1 | 0 | 0 | Jan 1993 – Aug 2003 |
| Adams Gas Unit O-4-11687 | Aransas Drlg & Workover Co Inc only | Mathis,east (5500) | San Patricio | 1 | 0 | 0 | Jan 1993 – Jun 1996 |
| Hutchinson O-4-12736 | Pedeco, Inc. only | Mathis,east (5500) | San Patricio | 1 | 0 | 0 | May 1997 – Apr 1998 |
| Hutchinson O-4-12744 | Pedeco, Inc. only | Mathis,east (5500) | San Patricio | 1 | 0 | 0 | May 1997 – Apr 1998 |
| Hutchinson O-4-12752 | Pedeco, Inc. only | Mathis, E (5600) | San Patricio | 1 | 0 | 0 | May 1997 – Oct 1999 |
| Mengers-Maedgen O-4-13693 | Alta Mesa Services, LP only | Mathis, E. | San Patricio | 1 | 0 | 0 | Oct 2011 – Sep 2015 |
| Mathis O-6-15316 | Rose City Resources, LLC only | Wildcat | Anderson | 1 | 0 | 0 | Mar 2014 – Mar 2020 |