| Canter Gas Unit G-3-192451 | Silverbrook Operating, LLC only | Hull South (Cook Mtn. 9700) | Liberty | 1 | 5.45K | 576K | Mar 2002 – Apr 2026 |
| Castleberry G-6-162487 | Cook Exploration Co. only | Willow Springs (Cotton Valley) | Gregg | 1 | 5.43K | 1.06M | Dec 1996 – Feb 2015 |
| Bradshaw "A" O-8-18766 | Naumann Oil & Gas, Inc. only | Nugent, NW (Cook Sand) | Jones | 1 | 5.37K | 54 | Jan 1993 – Jun 2005 |
| Cooke G-6-141102 | Harleton Oil & Gas Inc. only | Carthage (Cotton Valley) | Panola | 1 | 5.3K | 806K | Jan 1993 – Apr 2009 |
| M.A. Hopkins Gas Unit G-4-143288 | Shell Western E&P Inc. only | McCook, E. (Vicksburg 11,300) | Hidalgo | 1 | 5.3K | 978K | Jan 1993 – Oct 1994 |
| Hensley, W. A. O-13-10474 | St. Cajetan Oil Company, LLC only | Cooke County Regular | Cooke | 3 | 5.27K | 164 | Jan 1993 – Sep 2024 |
| Cooke Gas Unit G-9-207444 | Red Stag Operating, LLC only | Ozona, NE. (Canyon Sand) | Crockett | 1 | 5.26K | 589K | Nov 2004 – Apr 2026 |
| Cooke A O-1-15668 | Estacado Energy, LLC only | Tres Encanto (Escondido) | La Salle | 1 | 5.2K | 1.07K | Sep 2010 – Apr 2022 |
| Cook Family Trust O-3-25399 | Alamo Operating Company, L. C. only | Cecil Noble (9350) | Colorado | 1 | 5.19K | 35.6K | Jun 2009 – Nov 2009 |
| Meador, S. D. -C- O-13-2038 | Mountain Creek Oil Company, Inc. only | Cooke County Regular | Cooke | 9 | 5.15K | 20 | Jan 1993 – Apr 2026 |
| Cartwright Ranch G-2-276735 | Royal Production Company, Inc. only | Mount Lucas (Cook Mtn. 5700) | Live Oak | 1 | 5.08K | 244K | Nov 2014 – Mar 2017 |
| Johnson, F.I. G-4-226859 | Hilcorp Energy Company only | McCook, SE (Vicksburg Deep) | Hidalgo | 1 | 5.02K | 275K | Sep 2006 – Jul 2015 |
| Cook G-14-107139 | Bce-Mach II LLC only | Hemphill (Granite Wash.) | Hemphill | 1 | 5.02K | 672K | Jan 1993 – Oct 2018 |
| Clifton 2-Cooke County O-13-22675 | Aeternum Energy, LLC only | Zeigler (Strawn) | Cooke | 1 | 5K | 31 | Jan 1993 – Jun 2025 |
| Cook Ranch 63 O-8-27155 | Enserch Exploration, Inc only | Shackelford County Regular | Shackelford | 1 | 4.99K | 5K | Jan 1994 – Jan 1994 |
| Cook 64 G-14-247545 | Bce-Mach II LLC only | Meg (Granite Wash) | Hemphill | 1 | 4.98K | 346K | Jan 2009 – Apr 2026 |
| Cooke, C.N. -B- Unit O-1-11505 | Lewis Petro Properties, Inc. only | Cooke Ranch (Olmos) | La Salle | 1 | 4.97K | 148K | Feb 1994 – Feb 2004 |
| Cooke, J.W. Unit 1 G-6-76640 | Lacy Operations, Ltd. only | Carthage (Cotton Valley) | Panola | 1 | 4.96K | 308K | Jan 1993 – Jan 2003 |
| Cooke, J.W. Unit 1 G-6-221981 | R. Lacy Services, Ltd. only | Carthage (Cotton Valley) | Panola | 1 | 4.94K | 1.41M | Jul 2006 – Apr 2026 |
| Kollman, John & Ginny O-1-13205 | Doege, Donald only | Cooksey | Wilson | 1 | 4.93K | 4 | Dec 1993 – Apr 2025 |
| Kepner O-13-10131 | BKM Production only | Cooke County Regular | Cooke | 3 | 4.91K | 21 | Jan 1993 – Feb 1998 |
| Connally O-8-28877 | Sojourner Drilling Corporation only | Connally (Cook Lime) | Nolan | 2 | 4.84K | 567 | Sep 2000 – Oct 2013 |
| Cartwright Ranch G-2-290639 | Royal Production Company, Inc. only | Mount Lucas (Cook Mtn. 5800) | Live Oak | 1 | 4.84K | 278K | Mar 2021 – Apr 2022 |
| Cook-Fenner Gas Unit G-2-168094 | Wagner Oil Company only | Wayside Chapel (Yegua) | Jackson | 1 | 4.83K | 500K | Apr 1998 – Jul 2002 |
| Westman-Siddal O-13-11589 | Felderhoff Production Company only | Cooke County Regular | Cooke | 3 | 4.8K | 10 | Mar 1993 – Jan 2017 |
| Meeks, Solomon Tract 3 O-13-28628 | Mountain Creek Oil Company, Inc. only | Cooke County Regular | Cooke | 2 | 4.73K | 14 | Aug 1993 – May 2017 |
| Hess O-13-2058 | Walter Exploration Inc. only | Cooke County Regular | Cooke | 9 | 4.7K | 479 | Jan 1993 – Apr 1998 |
| Sears, Virginia O-13-12392 | V & H Oil, L.P. only | Cooke County Regular | Cooke | 1 | 4.61K | 20 | Jan 1993 – Apr 2026 |
| Lynch, W. T. O-13-2077 | Taylor & Smith only | Cooke County Regular | Cooke | 2 | 4.61K | 128 | Jan 1993 – Jun 2003 |
| Cooke, C.N. "B" O-1-5799 | Null, W.M. Operations, Inc. only | Cooke (Wilcox 4100, West) | La Salle | 4 | 4.6K | 2.91K | Jan 1993 – Dec 1994 |
| Parkey, James O-13-1999 | Hess, Jerry Operating Co. only | Cooke County Regular | Cooke | 6 | 4.59K | 181 | Jan 1993 – Apr 2026 |
| Margo "A" G-4-186800 | Starr Operating, LLC only | Arroyo Grande, W. (Cook Mt.) | Starr | 1 | 4.57K | 1.02M | Jan 2002 – Apr 2026 |
| Kessler, Mary A. O-13-2229 | WFW Production Company, Inc. only | Cooke County Regular | Cooke | 4 | 4.56K | 21 | Jan 1993 – Mar 2005 |
| Fromme O-2-8408 | Coastline Exploration, Inc. only | Brandt, S. (Cook Mt. 5200) | Goliad | 1 | 4.56K | 5.08K | Nov 1998 – Sep 1999 |
| Outlar, L. B. Jr. et Al G-3-131638 | Hughes, Dan A. Company only | McFarlan (Cook Mountain) | Wharton | 1 | 4.55K | 545K | Jan 1993 – Sep 2003 |
| Fenley, Verna O-13-13548 | Hermes, A. J. only | Cooke County Regular | Cooke | 14 | 4.49K | 40 | Jan 1993 – Jul 1997 |
| Davis-Guy O-8-27017 | D. A. B. Oil Service, Inc. only | Trey (Cook) | Taylor | 1 | 4.44K | 46 | Sep 1993 – Jul 1998 |
| Dunks, Ira J. et Al G-3-164004 | Bailey Petroleum, Inc. only | Rankin (Cook Mtn. 9340 Sand) | Harris | 1 | 4.39K | 735K | May 1997 – Oct 2004 |
| Dennis Estate -A- O-13-2039 | Barrett Oil Co. only | Cooke County Regular | Cooke | 4 | 4.35K | 66 | Jan 1993 – Jun 1998 |
| Cooke Gas Unit G-9-207449 | Red Stag Operating, LLC only | Ozona, NE. (Canyon Sand) | Crockett | 1 | 4.34K | 226K | Nov 2004 – Mar 2026 |
| Fromme G-2-167885 | Coastline Exploration, Inc. only | Brandt, S. (Cook Mt. 5200) | Goliad | 1 | 4.34K | 37.7K | Mar 1998 – Nov 1998 |
| Kessler, Mary O-13-2059 | Walter Exploration Inc. only | Cooke County Regular | Cooke | 11 | 4.32K | 359 | Jan 1993 – Dec 1997 |
| Cook G-4-115440 | Shell Western E&P only | McAllen (Elkins 6300) | Hidalgo | 1 | 4.29K | 1.37M | Jan 1993 – Nov 2006 |
| Titch, Annie O-13-14146 | Texcel Exploration, Inc. only | Cooke County Regular | Cooke | 4 | 4.29K | 58 | Jan 1993 – Aug 2005 |
| Davis, W.W. O-8-25949 | St. Clair Energy Corporation only | Doris (Cook) | Nolan | 3 | 4.27K | 23.7K | Jan 1993 – Dec 1997 |
| Knaus O-8-30003 | Alpine Petroleum only | Inkum (Cook Sand) | Taylor | 1 | 4.24K | 0 | Oct 2007 – Apr 2015 |
| Cooke Unit G-6-263182 | Harleton Oil & Gas Inc. only | Carthage (Travis Peak) | Panola | 1 | 4.23K | 400K | Nov 2011 – Apr 2026 |
| C N Cooke O-1-20025 | Sandman Exploration, L.L.C. only | Tres Encanto (Escondido) | La Salle | 1 | 4.23K | 81.3K | Sep 2019 – Mar 2026 |
| Hines O-5-281 | Cook, Ken only | Corsicana (Shallow) | Navarro | 4 | 4.2K | 37 | Jan 1993 – Jul 2019 |
| Austin C G-4-197877 | Hamman Oil & Refining Company only | El Dragon (Cook MTN) | Jim Hogg | 1 | 4.2K | 369K | Nov 2003 – Jan 2012 |