| Jenkins, B. F. O-10-51715 | Hilcorp Energy Company only | Keystone (Dev-McKee Cons) | Winkler | 4 | 2.18K | 11.9K | Mar 2019 – Sep 2020 |
| Weiser, Susanna Key G-6-250067 | Buffco Production Inc. only | Carthage, North (Cotton Valley) | Harrison | 1 | 2.13K | 202K | Nov 2009 – Jun 2024 |
| Pure-Walton G-10-275968 | Hilcorp Energy Company only | Keystone (Ellenburger) | Winkler | 1 | 2.13K | 107K | Feb 2014 – Dec 2022 |
| Stuckey-Thrasher Gas Unit G-6-182955 | Diversified Production LLC only | White Oak (Cotton Valley Sand) | Gregg | 1 | 2.13K | 998K | Feb 2001 – Apr 2026 |
| Thomas G-14-149404 | Courson Oil & Gas, Inc. only | Texhoma (Keyes) | Sherman | 1 | 2.11K | 558K | Mar 1994 – Oct 1995 |
| Keystone Mills Co. G-3-111707 | Highmark Energy Operating, LLC only | Conroe (Middle Wilcox Cons.) | Montgomery | 1 | 2.1K | 6.18M | Jan 1993 – Oct 2024 |
| Vef Key Unit O-6-14635 | Smith Resources, L.L.C. only | Beckville, N. (Travis Peak) | Harrison | 1 | 2.09K | 45.2K | May 2006 – Oct 2008 |
| Hardin 77 G-14-230588 | Presidio Petroleum LLC only | Shreikey, E. (Morrow Upper) | Hemphill | 1 | 2.09K | 474K | Jul 2007 – Apr 2026 |
| Hawkins O-11-71315 | Halvey Energy, LLC only | Key West (Spraberry) | Dawson | 1 | 2.08K | 0 | Jun 2023 – Apr 2026 |
| Mackey, L. L. G-6-182032 | Buffco Production Inc. only | Willow Springs (Cotton Valley) | Gregg | 1 | 2.08K | 367K | Mar 2001 – Oct 2023 |
| Keystone Cattle Co. O-10-48078 | Mineral Technologies, Inc. only | Keystone (Consolidated) | Winkler | 1 | 2.08K | 0 | Sep 2015 – Sep 2021 |
| Stuckey-Thrasher Gas Unit G-6-167387 | Diversified Production LLC only | White Oak (Cotton Valley Sand) | Gregg | 1 | 2.08K | 1.71M | Feb 1998 – Apr 2026 |
| McCleskey, W. C. G-13-131226 | Raylee Operating Company only | Jack County Regular | Jack | 1 | 2.04K | 102K | Jan 1993 – Dec 2010 |
| Bash G-10-122819 | Bass Enterprises Production Co. only | Keystone (Ellenburger) | Winkler | 1 | 2.02K | 1.32M | Jan 1993 – Dec 1999 |
| Britt -3- G-14-100050 | Presidio Petroleum LLC only | Key West (Morrow Upper) | Wheeler | 1 | 2.02K | 10.9M | Jan 1993 – Apr 2026 |
| Walton, J B G-10-200179 | XTO Energy Inc. only | Keystone (Yates) | Winkler | 1 | 2.01K | 103K | Dec 2003 – Aug 2022 |
| Mackey, W. L. GU 2 G-13-171997 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Wise | 1 | 2.01K | 743K | Jan 1999 – Dec 2022 |
| Stuart Estate "61" G-8-151725 | International Western Oil Corp only | Iona Hickey (Conglomerate) | Palo Pinto | 1 | 1.95K | 505K | Oct 1994 – Sep 2015 |
| Albert Key O-6-15392 | Buffco Production Inc. only | Bethany (Travis Peak Cons.) | Harrison | 1 | 1.94K | 8.44K | Apr 2015 – Nov 2024 |
| Parsons, I.M. "A" O-8-21148 | Sun-Key Oil Co., Inc. only | Parsons (Gray) | Callahan | 1 | 1.93K | 20 | Jan 1993 – Nov 1997 |
| Rocker-B "20" C O-9-11950 | Keystone Energy Oil & Gas, Inc. only | Spraberry (Trend Area) | Reagan | 1 | 1.92K | 28.4K | Jan 1993 – Jan 1998 |
| Bell Berman "B" O-11-62558 | Neff, Mickey Oil Company Inc. only | Sharon Ridge (1700) | Mitchell | 2 | 1.92K | 11 | Jan 1993 – Sep 1994 |
| Stuart Estate "49" G-8-147111 | International Western Oil Corp only | Iona Hickey (Conglomerate) | Palo Pinto | 1 | 1.91K | 536K | Aug 1993 – Apr 2026 |
| Monkey Creek Ranch O-13-33976 | Buffco Production Inc. only | Medicine Mounds (Congl. 7430) | Hardeman | 1 | 1.9K | 0 | Mar 2020 – Mar 2026 |
| Fredericks O-7-6894 | Herrin, Frances Key only | East Texas | Rusk | 1 | 1.9K | 42 | Apr 1993 – Apr 1999 |
| Hough-Mackey 4 (SA) 'A' G-13-269714 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Wise | 1 | 1.89K | 1.96M | Feb 2013 – Apr 2026 |
| Markey #2 G-6-208485 | Sabine Energy Inc. only | Minden (Cotton Valley Cons.) | Rusk | 1 | 1.89K | 785K | Feb 2005 – Feb 2022 |
| McClintic, James W. Gas Unit G-5-159208 | Diversified Production LLC only | Pokey (Travis Peak Lower 1) | Limestone | 1 | 1.88K | 1.23M | Jun 1996 – Apr 2026 |
| Lenamond G-5-43961 | Spence, Ralph Oil Company, Inc. only | Pokey (Rodessa) | Limestone | 1 | 1.85K | 147K | Jan 1993 – Aug 1999 |
| McCaskey, C. J., Mrs. O-8-2507 | Rister, Dewey only | Griffin | Jones | 3 | 1.85K | 18 | Jan 1993 – Mar 1996 |
| Slaughter, N. G-5-43046 | Spence, Ralph Oil Company, Inc. only | Pokey (Rodessa) | Limestone | 1 | 1.83K | 107K | Jan 1993 – Jan 1999 |
| South Ruth Mackey O-3-20079 | Texakoma Oil & Gas Corporation only | Serbin (Taylor Sand) | Bastrop | 3 | 1.82K | 3.09K | Jan 1993 – Apr 1994 |
| Keystone Cattle Co. O-10-46980 | Formentera Operations LLC only | Keystone (Consolidated) | Winkler | 4 | 1.82K | 2.2K | Sep 2015 – Jun 2018 |
| Key, Beatrice Gas Unit G-6-283505 | Diversified Production LLC only | Woodlawn (Rodessa) | Harrison | 1 | 1.81K | 316K | Nov 2017 – Apr 2025 |
| West Turkey Track O-14-8257 | Palo Duro Resources LLC only | Arrington (Granite Wash) | Hutchinson | 2 | 1.8K | 0 | May 2022 – May 2024 |
| Britt -10- G-14-104325 | Le Norman Operating LLC only | Key (Morrow, Up.) | Wheeler | 1 | 1.8K | 3.88M | Jan 1993 – Feb 2014 |
| Chalkey, E. B. G-10-135102 | IP Well Service LLC only | S.E.G. (Wichita-Albany) | Pecos | 1 | 1.8K | 593K | Jan 1993 – Feb 2024 |
| Culpepper G-6-96872 | Cook Exploration Co. only | Willow Springs-Mackey (Tr. Pk.) | Gregg | 1 | 1.79K | 289K | Jun 1993 – Dec 2000 |
| West Turkey Track G-14-142372 | Arrington CJM, Inc. only | Arrington (Marmaton) | Hutchinson | 1 | 1.78K | 87 | Jan 1993 – Feb 1993 |
| Mackey, W. L. GU 3 G-13-206800 | BKV Barnett, LLC only | Newark, East (Barnett Shale) | Wise | 1 | 1.78K | 1.16M | Dec 2004 – Apr 2026 |
| Markey Gas Unit G-6-112895 | TGNR East Texas LLC only | Carthage (Cotton Valley) | Panola | 1 | 1.78K | 1.25M | Jan 1993 – Apr 2026 |
| Ellis Estate O-6-13662 | Key Production Company, Inc. only | Henderson, North (Pettit) | Rusk | 1 | 1.76K | 31K | Apr 1997 – Jul 1997 |
| Whitehead, Cody O-9-10171 | Caraway Operating Co. only | Kim (Harkey) | Schleicher | 1 | 1.76K | 21 | Jan 1993 – Nov 1995 |
| Schenecker O-10-30689 | Keystone Energy Oil & Gas, Inc. only | Spraberry (Trend Area) | Martin | 1 | 1.74K | 3.24K | Jan 1993 – Mar 1994 |
| Mackey Heirs G-6-180047 | Dallas Production, Inc. only | Willow Springs (Cotton Valley,w) | Gregg | 1 | 1.71K | 212K | Sep 2000 – Nov 2003 |
| Lokey, E. R. G-5-111456 | XTO Energy Inc. only | Opelika (Rodessa) | Henderson | 1 | 1.71K | 89.4K | Jan 1993 – Aug 2011 |
| Bell Berman "A" O-11-62557 | Neff, Mickey Oil Company Inc. only | Sharon Ridge (1700) | Mitchell | 3 | 1.67K | 9 | Jan 1993 – Mar 1998 |
| Key, Beatrice Gas Unit G-6-236976 | Sabine Oil & Gas Corporation only | Woodlawn (Cotton Valley) | Harrison | 1 | 1.67K | 276K | Mar 2008 – Jul 2018 |
| McCluskey O-13-26019 | Ray Herring Operating Co., LLC only | Braddock (Conglomerate) | Young | 1 | 1.67K | 63.2K | Jan 1993 – Apr 2022 |
| McCluskey O-13-33467 | Ray Herring Operating Co., LLC only | Young County Regular | Young | 1 | 1.66K | 13.5K | May 2015 – Apr 2022 |