| Dunks G-3-294983 | Vantage Operating, LLC only | Rankin (Cook Mtn. IV) | Harris | 1 | 6.71K | 154K | Nov 2022 – Dec 2024 |
| Cooke, C. N. O-1-14780 | Lewis Petro Properties, Inc. only | Cooke Ranch (Olmos) | La Salle | 1 | 6.67K | 813 | Aug 2006 – Jun 2015 |
| Callarman O-8-23887 | Interstate Explorations LLC only | Katlaco-Cook (Strawn) | Eastland | 1 | 6.67K | 46K | Jul 1996 – May 2023 |
| Perry G-3-242424 | CML Exploration, LLC only | Rosenberg, W. (LWR Cook MTN) | Fort Bend | 1 | 6.65K | 115K | Aug 2008 – Feb 2015 |
| Gordon O-8-14975 | Fourcooks Oil & Gas, LLC only | Littlepage (Conglomerate) | Throckmorton | 1 | 6.6K | 21 | Jan 1993 – Feb 2026 |
| Lynch Heirs -A- O-13-8869 | Taylor & Smith only | Cooke County Regular | Cooke | 1 | 6.58K | 53 | Jan 1993 – Jun 2014 |
| Flusche, Joseph -B- & -C- O-13-1968 | Syntax Energy Corporation only | Cooke County Regular | Cooke | 11 | 6.55K | 19 | Jan 1993 – Nov 2025 |
| Cooke, J.W. Unit 1 G-6-199801 | R. Lacy Services, Ltd. only | Carthage (Cotton Valley) | Panola | 1 | 6.55K | 1.23M | Feb 2004 – Apr 2026 |
| Betty Rose A O-13-33953 | Hess, Jerry Operating Co. only | Cooke County Regular | Cooke | 3 | 6.45K | 0 | Dec 2019 – Apr 2026 |
| Cook, Walter W. Unit O-3-12866 | Sage Energy Company only | Giddings (Austin Chalk-3) | Burleson | 1 | 6.44K | 175K | Jan 1993 – Oct 2003 |
| Scott O-13-10503 | Reed Production, Inc. only | Cooke County Regular | Cooke | 3 | 6.38K | 0 | Apr 1998 – Jan 2004 |
| Cook O-5-3494 | 84 Energy LLC only | Eileen Sullivan (Glen Rose) | Leon | 1 | 6.34K | 40.2K | Mar 1995 – Mar 2025 |
| Neu, Freddie O-13-23921 | Neu, Freddie only | Cooke County Regular | Cooke | 1 | 6.31K | 257 | Jan 1993 – May 2014 |
| Cook "B" SEC.146 O-8-25112 | Stasney, H. R. & Sons, Ltd. only | Cook Ranch | Shackelford | 1 | 6.3K | 21 | Jan 1993 – Feb 2007 |
| Cook Ranch 85 O-8-30240 | Stasney Well Service, LLC only | Cook Ranch | Shackelford | 3 | 6.29K | 12K | Dec 2008 – Apr 2026 |
| Perini "B" O-8-26594 | Sojourner Drilling Corporation only | Kirby (Cook) | Taylor | 2 | 6.28K | 9.2K | Jan 1993 – Mar 2026 |
| Newman, J. L. O-13-12856 | Star-Jet Co. only | Cooke County Regular | Cooke | 1 | 6.27K | 161 | Jan 1993 – Dec 2013 |
| Cooke Gas Unit G-9-136677 | Red Stag Operating, LLC only | Ozona, NE. (Canyon Sand) | Crockett | 1 | 6.25K | 760K | Jan 1993 – Apr 2026 |
| Redman "E" O-13-24191 | BP Petroleum Operations, LLC only | Cooke County Regular | Cooke | 1 | 6.18K | 143 | Jan 1993 – Oct 2024 |
| Jones, C. H., Estate G-6-16909 | Cook Exploration Co. only | Willow Springs (Rodessa) | Gregg | 1 | 6.16K | 1.02M | Jan 1993 – Jun 2006 |
| Fortenberry 741 O-3-24172 | Cobra Oil & Gas Corporation only | Yonajosa, W (Cook Mtn. 9300) | Hardin | 1 | 6.13K | 50.2K | May 2002 – May 2004 |
| Phillips, Maggie O-13-12587 | Seitz, J. R. & Adam, Ltd. only | Cooke County Regular | Cooke | 3 | 6.12K | 21 | Jan 1993 – Apr 2000 |
| Dyer "E" Unit G-3-192630 | CML Exploration, LLC only | Rosenberg, W. (Cook Mountain) | Fort Bend | 1 | 6.07K | 666K | Oct 2002 – May 2009 |
| Koesler, Mary O-13-1998 | Nhrg Inc only | Cooke County Regular | Cooke | 15 | 6.05K | 86 | Jan 1993 – Oct 2015 |
| Robeson, Earl F. O-13-21434 | WFW Production Company, Inc. only | Cooke County Regular | Cooke | 5 | 6.02K | 579 | Jan 1993 – Jul 2003 |
| Parkhurst, Catherine M. O-13-15422 | Maverick Production only | Cooke County Regular | Cooke | 1 | 6.01K | 21 | Jan 1993 – Mar 2004 |
| Davis 164 O-8-24389 | Cockrell Production Co., Inc. only | Doris (Cook) | Nolan | 3 | 6.01K | 11.5K | Jan 1993 – Feb 1996 |
| Cook G-5-131702 | Basa Resources, Inc. only | Eileen Sullivan (Glen Rose) | Leon | 1 | 6K | 105K | Jan 1993 – Feb 1995 |
| Winding Brook Corporation G-4-207564 | Merit Energy Company only | McCook, SE (Vicksburg Deep) | Hidalgo | 1 | 5.97K | 2.71M | Oct 2004 – Apr 2026 |
| Cook, Louise G-5-194919 | Hilcorp Energy Company only | Bear Grass (Pettit) | Leon | 1 | 5.91K | 359K | Apr 2003 – Apr 2026 |
| Cooke, Bates, Petree O-11-62946 | WTG Exploration only | Lee Harrison | Lubbock | 1 | 5.87K | 1.74K | Jan 1993 – Oct 1997 |
| Lichnovsky G-3-199708 | Faulconer Energy, LLC only | Ammann, West (Cook Mountain) | Wharton | 1 | 5.85K | 1.09M | Jun 2003 – Apr 2026 |
| Cox, M. J. -M- O-13-2118 | Atex Exploration & Operating Co. only | Cooke County Regular | Cooke | 5 | 5.82K | 21 | Jan 1993 – Dec 1996 |
| Johnson, C. G. G-4-238098 | Hilcorp Energy Company only | McCook, SE (Vicksburg Deep) | Hidalgo | 1 | 5.78K | 1.34M | Apr 2008 – Apr 2026 |
| Cooke, J. W. Unit 2 G-6-199777 | R. Lacy Services, Ltd. only | Carthage (Cotton Valley) | Panola | 1 | 5.77K | 1.03M | Jan 2004 – Sep 2023 |
| White G-2-137095 | Thunderbird Energy, Inc. only | Cook (9730) | De Witt | 1 | 5.75K | 218K | Dec 1994 – Mar 2000 |
| Knabe, Albert O-13-2144 | V & H Oil, L.P. only | Cooke County Regular | Cooke | 10 | 5.72K | 21 | Jan 1993 – Apr 2026 |
| Hellen, Dana "A" G-4-147289 | Hughes, Dan A. Company only | Hellen (2ND Cook Mtn.) | Jim Hogg | 1 | 5.65K | 256K | Oct 1993 – Jun 1995 |
| Cook, P. W. O-9-6093 | Kirkpatrick Oil Company only | Calvin (Dean) | Reagan | 2 | 5.64K | 14K | Jan 1993 – Oct 1995 |
| Siddall O-13-2084 | Grayson Petroleum Company only | Cooke County Regular | Cooke | 2 | 5.63K | 20 | Jan 1993 – Mar 2014 |
| Schorre G-2-159609 | Xplor Energy Operating Co. only | Cook, S. (Wilcox 8600) | De Witt | 1 | 5.62K | 82.5K | Jul 1996 – Feb 1997 |
| Holton Fee O-13-20123 | Hacker, Freddie J. only | Cooke County Regular | Cooke | 1 | 5.62K | 170 | Dec 1997 – Apr 2012 |
| Cooksey, Robert M. O-5-165 | MLB Operating Services, LLC only | Corsicana (Shallow) | Navarro | 3 | 5.6K | 193 | Jan 1993 – Jan 2024 |
| Bandy O-13-31100 | Seitz, J. R. & Adam, Ltd. only | Cooke County Regular | Cooke | 1 | 5.6K | 0 | Sep 2008 – Feb 2009 |
| Solomon -A- O-13-2037 | Gibbs, Loyd Leasing only | Cooke County Regular | Cooke | 3 | 5.59K | 21 | Jan 1993 – Nov 2000 |
| Duncan G-3-171875 | Hilcorp Energy Company only | Egypt, N. (Cook Mtn. RB) | Wharton | 1 | 5.54K | 330K | May 1998 – Feb 2003 |
| Atkins, Thelma et Al O-13-25390 | R & R Energy, Ltd. only | Cooke County Regular | Cooke | 1 | 5.52K | 488 | Jan 1993 – Mar 2026 |
| Cook, W. S. O-3-20159 | Trivista Operating LLC only | Serbin (Taylor Sand) | Bastrop | 1 | 5.5K | 36.1K | Jan 1994 – May 2015 |
| Johnson, F.I. G-4-224688 | Hilcorp Energy Company only | McCook, SE (Vicksburg Deep) | Hidalgo | 1 | 5.46K | 1.75M | Jan 2007 – Dec 2025 |
| Cook, Louise G-5-194828 | Hilcorp Energy Company only | Bear Grass (Pettit) | Leon | 1 | 5.45K | 696K | Mar 2003 – Apr 2026 |