| Linn, J. D. -A- O-13-2204 | V & H Oil, L.P. only | Cooke County Regular | Cooke | 13 | 28K | 21 | Jan 1993 – Apr 2026 |
| Wolf O-13-28233 | Syntax Energy Corporation only | Cooke County Regular | Cooke | 3 | 28K | 21 | Jan 1993 – Apr 2026 |
| Stasney Ranch 62/63 O-8-32666 | Stasney Well Service, LLC only | Cook Ranch | Shackelford | 20 | 27.9K | 0 | Apr 2023 – Apr 2026 |
| Cooke Gas Unit G-9-144834 | Red Stag Operating, LLC only | Ozona, NE. (Canyon Sand) | Crockett | 1 | 27.8K | 1.6M | Mar 1993 – Apr 2026 |
| Laidacker Unit G-3-197368 | Magnum Producing, LP only | Hull South (Cook Mtn. 9700) | Liberty | 1 | 27.7K | 2.65M | Sep 2003 – Oct 2014 |
| Barnes O-8-31299 | Momentum Operating Co., Inc. only | Lueders, S. (Cook Lime) | Jones | 2 | 27.6K | 0 | Oct 2013 – Apr 2026 |
| Schumaker, Gene L. G-3-130538 | Faulconer, Vernon E., Inc. only | Ammann, West (Cook Mountain) | Wharton | 1 | 27.4K | 4.06M | Jan 1993 – Oct 2015 |
| Murrell, S. F. O-13-13886 | Petex only | Cooke County Regular | Cooke | 4 | 27.3K | 21 | Jan 1993 – Apr 2026 |
| Espree G-3-218341 | Silverbrook Operating, LLC only | Hull, South (Cook MTN, 10700) | Liberty | 1 | 27.3K | 1.65M | Jul 2006 – Apr 2026 |
| Trubenbach O-13-2158 | Ski Production, LLC only | Cooke County Regular | Cooke | 9 | 27.3K | 15 | Jan 1993 – Apr 2026 |
| Cook O-13-28782 | Trio Consulting & Management,llc only | Independence (Miss) | Hardeman | 1 | 27.2K | 50.7K | Apr 1994 – Aug 2014 |
| King, A.L. "S" O-8-23082 | Sojourner Drilling Corporation only | Chalky Mountain (Cook Lime) | Taylor | 4 | 27.2K | 4.1K | Jan 1993 – Apr 2015 |
| Cook-Clemons GU G-4-188960 | Merit Energy Company only | Monte Christo, N. (Vicksburg Q) | Hidalgo | 1 | 27.1K | 4.29M | Nov 2001 – Apr 2026 |
| Hyman O-13-2061 | Davis, Kelly J. only | Cooke County Regular | Cooke | 12 | 27.1K | 21 | Jan 1993 – Apr 2026 |
| Kujawa Unit G-3-216267 | CML Exploration, LLC only | Rosenberg, W. (Cook Mountain) | Fort Bend | 1 | 27.1K | 1.31M | Mar 2006 – Feb 2009 |
| Cooks Point Unit 11 O-3-18719 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Burleson | 1 | 27K | 153K | Jan 1993 – Jun 2025 |
| Norton, Mary E. O-13-16826 | Ford, R. J. Inc. only | Cooke County Regular | Cooke | 4 | 26.9K | 21 | Jan 1993 – Apr 2026 |
| C. N. Cooke Unit O-4-13013 | Opex Energy, LLC only | Doughty (Frio 8730) | Nueces | 1 | 26.8K | 62.9K | Mar 2001 – Nov 2005 |
| Johnson, F. I. 'A' G-4-197101 | Merit Energy Company only | McCook, SE (Vicksburg Deep) | Hidalgo | 1 | 26.8K | 1.33M | Sep 2003 – Apr 2026 |
| Hancock G-3-170803 | Home Petroleum Corp. only | Egypt (Cook MTN) | Wharton | 1 | 26.7K | 1.62M | Feb 1998 – Mar 2026 |
| Porter O-13-31449 | Reed Production, Inc. only | Cooke County Regular | Cooke | 3 | 26.7K | 0 | Aug 2009 – Apr 2026 |
| Klement, Edgar O-13-12951 | V & H Oil, L.P. only | Cooke County Regular | Cooke | 10 | 26.5K | 21 | Jan 1993 – Apr 2026 |
| Cook Family Trust G-3-254627 | Vantage Operating, LLC only | Cecil Noble (Wilcox 9325) | Colorado | 1 | 26.4K | 1.15M | Dec 2009 – Mar 2023 |
| Wilson Bros. -D- O-13-9339 | Burk Royalty Company only | Cooke County Regular | Cooke | 2 | 26.3K | 21 | Jan 1993 – Jun 1995 |
| Weinheimer G-3-259092 | TMR Exploration, Inc. only | Alwan (Cook Mountain) | Wharton | 1 | 26.2K | 769K | Jul 2010 – Apr 2020 |
| Miller, Veronica O-13-9075 | WFW Production Company, Inc. only | Cooke County Regular | Cooke | 4 | 26.1K | 528 | Jan 1993 – Apr 2026 |
| Andress, -D- O-13-8790 | WFW Production Company, Inc. only | Cooke County Regular | Cooke | 7 | 26.1K | 20 | Jan 1993 – Apr 2026 |
| Pereira, Desmond R. O-2-11003 | Wynn-Crosby Operating, Ltd. only | Hordes Creek (Cook Mtn. Sd.) | Goliad | 1 | 26K | 15.6K | Feb 2015 – Apr 2021 |
| Sellers, C. O-13-14317 | St. Cajetan Oil Company, LLC only | Cooke County Regular | Cooke | 4 | 25.9K | 2.35K | Jan 1993 – Jan 2026 |
| Nail, J.H. "A" O-8-22627 | Van Operating, Ltd. only | Nail (Cook, Upper) | Shackelford | 6 | 25.8K | 21 | Jan 1993 – Oct 1997 |
| Cook O-8-20719 | Glahn Resources, Inc. only | Ivy | Shackelford | 2 | 25.8K | 1.32K | Jan 1993 – Apr 2026 |
| E. Henke G-2-242488 | Estate of James L. Nelson only | Weesatche, West (Cook Mt.) | Goliad | 1 | 25.8K | 65.9K | Sep 2008 – Mar 2026 |
| Dyer "D" G-3-184418 | CML Exploration, LLC only | Rosenberg, W. (Cook Mountain) | Fort Bend | 1 | 25.8K | 1.81M | Jul 2001 – May 2025 |
| Renfro Unit O-13-15450 | St. Cajetan Oil Company, LLC only | Cooke County Regular | Cooke | 3 | 25.8K | 1.95K | Jan 1993 – Apr 2026 |
| Mitchell, Leon G-3-182273 | Western Energy Group, LLC only | Raywood (Cook Mtn. 10,850) | Liberty | 1 | 25.6K | 4.9M | Apr 2001 – Feb 2020 |
| Dennis, H. L. O-13-2138 | BP Petroleum Operations, LLC only | Cooke County Regular | Cooke | 8 | 25.5K | 21 | Jan 1993 – Apr 2026 |
| Dugan Unit O-8-10968 | Atwell Technical Services, Inc. only | Dykes (Cook Sand) | Callahan | 12 | 25.4K | 24 | Jan 1993 – May 2017 |
| Cook 42 O-5-3245 | Union Oil Company of California only | Van (Austin Chalk) | Van Zandt | 4 | 25.3K | 54.5K | Jan 1993 – May 2008 |
| Trew, R. W. O-13-13637 | V & H Oil, L.P. only | Cooke County Regular | Cooke | 7 | 25.2K | 20 | Jan 1993 – Apr 2026 |
| Buckner-Crow O-13-28685 | V & H Oil, L.P. only | Cooke County Regular | Cooke | 4 | 25K | 12 | Oct 1993 – Jan 2018 |
| Cook, Walter Jr. O-3-19796 | Riley Exploration Opg Co, LLC only | Serbin (Taylor Sand) | Bastrop | 2 | 25K | 66K | Jan 1993 – Nov 2015 |
| Basham O-9-12815 | Damron Energy, LLC only | Letcher (Lower Cook Sand) | Concho | 4 | 24.7K | 212 | Jan 1993 – Mar 2026 |
| Holbrook, Ellen G-3-193538 | Titus Liberty Multi Well 2, LLC only | Raywood (E. Cook Mtn. 11,500) | Liberty | 1 | 24.7K | 5.99M | Mar 2003 – May 2024 |
| Herrmann, Phillip O-13-2050 | BLS Production Co., Inc. only | Cooke County Regular | Cooke | 4 | 24.6K | 21 | Jan 1993 – Apr 2026 |
| Duncan G-3-168092 | Faulconer, Vernon E., Inc. only | Egypt, N. (Cook MTN RA) | Wharton | 1 | 24.6K | 1.27M | Dec 1997 – Nov 2011 |
| Dennis, A. J. -A- O-13-2136 | Breeze Oil, LLC only | Cooke County Regular | Cooke | 6 | 24.6K | 26 | Jan 1993 – Apr 2026 |
| Zimmerer, J. F. O-13-15185 | V & H Oil, L.P. only | Cooke County Regular | Cooke | 10 | 24.3K | 22 | Jan 1993 – Apr 2026 |
| Condron, E. D. Jr. -B- O-8-10012 | Fourcooks Oil & Gas, LLC only | Condron (Miss.) | Throckmorton | 2 | 24.2K | 71K | Jan 1993 – Dec 2024 |
| Nail Ranch "19" O-8-28497 | Daylight Petroleum LLC only | Jumpstart, N. (Upper Cook) | Shackelford | 2 | 24.1K | 849 | May 1998 – Apr 2026 |
| Johnson, W. O-13-2017 | WFW Production Company, Inc. only | Cooke County Regular | Cooke | 3 | 24.1K | 21 | Jan 1993 – Apr 2026 |