| Turkey Track 186 O-8-31878 | Cinnabar Operating, LLC only | Hat Top Mountain, N. (Cook Lime) | Nolan | 1 | 1.31K | 3.41K | Sep 2015 – Dec 2018 |
| Johnson G-3-235055 | Brammer Engineering, Inc. only | Rankin (Cook Mtn. IV) | Harris | 1 | 1.31K | 93.5K | Mar 2008 – May 2010 |
| McKendrick, Cookie G-4-197060 | Columbus Energy, LLC only | Vato (Lobo) | Webb | 1 | 1.3K | 430K | Aug 2003 – Apr 2012 |
| Kleiss-B- O-13-30633 | WFW Production Company, Inc. only | Cooke County Regular | Cooke | 5 | 1.29K | 0 | Jun 2006 – Sep 2006 |
| King Estate O-13-23358 | Hermes, A. J. only | Cooke County Regular | Cooke | 2 | 1.29K | 40 | Jan 1993 – Oct 2000 |
| Pierce Ranch O-3-26057 | Hilcorp Energy Company only | Red Bull (Cook Mountain) | Wharton | 1 | 1.28K | 5.33K | Dec 2011 – Aug 2014 |
| Yaeger Heirs G-4-139563 | Home Petroleum Corp. only | Hellen (2ND Cook Mtn.) | Jim Hogg | 1 | 1.28K | 518K | Jan 1993 – Mar 2026 |
| V. Cook et al Gas Unit 2-A G-4-124777 | Merit Energy Company only | Monte Christo (56-a, N) | Hidalgo | 1 | 1.28K | 1.03M | Jan 1993 – Apr 2026 |
| Reiter, Johnny O-13-33399 | 6 Hess, LLC only | Cooke County Regular | Cooke | 2 | 1.27K | 0 | Jun 2014 – Jul 2020 |
| Cooke, Travis C. et Al O-1-2579 | Banks,flemming,& Conley Prod LLC only | Salt Flat | Caldwell | 3 | 1.27K | 31 | Jan 1993 – Jun 2023 |
| Cooke, C. N. B O-4-12472 | Hunt Oil Company only | Doughty (Frio 8820) | Nueces | 1 | 1.25K | 1.37K | Apr 1995 – Nov 1995 |
| Cook G-8-148780 | Diamond S Energy Company only | W.A.T. (3600) | Stephens | 1 | 1.23K | 406K | Mar 1994 – Apr 2026 |
| Wilson O-13-29588 | Reed Oil Company only | Cooke County Regular | Cooke | 1 | 1.22K | 0 | Dec 1998 – Mar 2000 |
| East Solomon Ranch O-13-28801 | Mountain Creek Oil Company, Inc. only | Cooke County Regular | Cooke | 3 | 1.21K | 4 | Jun 1994 – Oct 2002 |
| Cook Ranch "85" O-8-30008 | Stasney, H. R. & Sons, Ltd. only | Shackelford County Regular | Shackelford | 1 | 1.2K | 0 | Dec 2007 – May 2008 |
| Palmer O-6-13134 | Rowan, Al only | Charles S. Cook (Woodbine) | Cherokee | 1 | 1.18K | 6 | Jan 1993 – Jun 1993 |
| Fisher O-13-2004 | Chapman, Woodie Oil only | Cooke County Regular | Cooke | 10 | 1.17K | 85 | Jan 1993 – May 2000 |
| Johnson Cook G Unit G-13-251187 | BKV North Texas, LLC only | Newark, East (Barnett Shale) | Tarrant | 1 | 1.17K | 1.36M | Jun 2008 – Apr 2026 |
| Cook "A" O-11-69356 | Shenandoah Petroleum Corporation only | Suniland | Lynn | 1 | 1.16K | 0 | Jan 2009 – Dec 2014 |
| Tristen-Truett O-3-24076 | Fort Apache Energy, Inc. only | Rich Ranch (Cook Mtn.) | Liberty | 1 | 1.16K | 25.4K | Oct 2001 – Aug 2002 |
| McWilliams, E. O-13-12533 | H and H Prod. Co. only | Cooke County Regular | Cooke | 4 | 1.15K | 20 | Jan 1993 – Jul 2003 |
| Trubenbach, F. J. -A- O-13-2148 | WFW Production Company, Inc. only | Cooke County Regular | Cooke | 13 | 1.14K | 2 | Jul 1994 – Jan 2002 |
| Alexander, Sarah E. O-13-15268 | WFW Production Company, Inc. only | Cooke County Regular | Cooke | 1 | 1.14K | 234 | Jan 1993 – Nov 2020 |
| Scott Bros. O-8-18199 | Crude Production Company only | Hack (Cook Sand) | Callahan | 3 | 1.13K | 20 | Jan 1993 – Dec 2004 |
| Kotara Aldridge GU G-4-127818 | Magnum Producing, LP only | McCook, E. (Vicksburg LO-Y-2) | Hidalgo | 1 | 1.13K | 323K | Jan 1993 – Sep 2004 |
| Wilson O-13-2042 | Ski Production, LLC only | Cooke County Regular | Cooke | 2 | 1.13K | 19 | Jan 1993 – Oct 2008 |
| Weischwill G-2-161403 | Tri-C Resources, Inc. only | Holly (Cook Mountain 5100) | De Witt | 1 | 1.13K | 143K | Nov 1996 – Aug 1997 |
| Cook 118 O-8-29348 | Stasney, H. R. & Sons, Ltd. only | Cook Ranch (Miss.) | Shackelford | 1 | 1.13K | 5.55K | Jan 2004 – Jun 2006 |
| Dresser O-13-32631 | Brammer Petroleum, Inc. only | Cooke County Regular | Cooke | 1 | 1.11K | 0 | Aug 2013 – Aug 2016 |
| Bernard, Hvalinka G-3-218132 | Decker Operating Co., L.L.C. only | Bernard, W. (Cook Mt. 7800) | Wharton | 1 | 1.11K | 332K | Jun 2006 – Sep 2015 |
| Lawson-Ramsey O-2-9405 | Dewbre Petroleum Corporation only | Cabeza Creek, S. (Cook MT E) | Goliad | 1 | 1.1K | 37.5K | Oct 2009 – Sep 2011 |
| Cook G-14-164892 | Burlington Resources O & G Co LP only | Canadian, SE (Douglas) | Hemphill | 1 | 1.1K | 523K | Aug 1997 – Apr 2010 |
| Cook O-13-31619 | Petrobal Omega 1, LLC only | Jack County Regular | Jack | 2 | 1.1K | 15.2K | Feb 2010 – Nov 2019 |
| Cook Gas Unit O/A G-6-82008 | Trinity Gas Storage, LLC only | Bethel (Pettit) | Anderson | 1 | 1.1K | 711K | Jan 1993 – Oct 2019 |
| Cooke G-6-277469 | Harleton Oil & Gas Inc. only | Carthage (Travis Peak 6296) | Panola | 1 | 1.08K | 139K | May 2015 – Apr 2026 |
| Millen G-2-142425 | Seguro Well Service, Inc. only | Gowitt (Cook Mountain) | Goliad | 1 | 1.08K | 14.9K | Jan 1993 – Jan 1994 |
| Gonzalez, et Al O-4-11998 | V/J Oil Company only | Vista Grande (Cook Mountain D1) | Starr | 1 | 1.07K | 26 | Jan 1993 – Sep 1998 |
| Judy, F. E. O-13-24130 | WFW Production Company, Inc. only | Cooke County Regular | Cooke | 2 | 1.05K | 21 | Jan 1993 – Mar 2004 |
| Cook, W. I. Est. Sec. /139B/ O-8-3574 | Stasney, H. R. & Sons, Ltd. only | Cook Ranch | Shackelford | 8 | 1.05K | 13 | Jan 1993 – Jan 1994 |
| Endres, Paul O-13-9660 | Cooke & Montague Oper. Co., Inc. only | Cooke County Regular | Cooke | 5 | 1.05K | 44 | Jan 1993 – Aug 1996 |
| Cook G-14-107143 | Upland Resources LLC only | Canadian, SE (Douglas) | Hemphill | 1 | 1.05K | 1.13M | Jan 1993 – Sep 2018 |
| Nail 91A O-8-22897 | B P Operating Company only | Cook Ranch | Shackelford | 5 | 1.04K | 21 | Jan 1993 – Jun 1996 |
| Cook - Fenner Unit G-2-265328 | TC Oil and Gas, LLC only | Sneezy (Yegua) | Jackson | 1 | 1.03K | 133K | Oct 2010 – Nov 2016 |
| Cooke, C. N. Unit O-4-13400 | Jubilee Resources, Ltd. only | Doughty (Frio 7200) | Nueces | 1 | 1.03K | 1.72K | Nov 2006 – Apr 2012 |
| Inglish, S. W. O-13-12593 | Hess, Jerry Operating Co. only | Cooke County Regular | Cooke | 1 | 1.03K | 20 | Jan 1993 – Nov 1997 |
| Brownlee Bros. Cook G-14-158473 | Apache Corporation only | Northrup (Cleveland) | Ochiltree | 1 | 1.03K | 320K | Mar 1996 – Jul 2013 |
| Leveridge, A. T. G-3-221794 | Southeastern Pipe Line Company only | Bernard, East (Cook Mountain) | Fort Bend | 1 | 1.03K | 23K | Apr 2005 – Aug 2011 |
| Parsons "110" O-8-24704 | Cockrell Production Co., Inc. only | Doris (Cook) | Nolan | 1 | 1K | 17.5K | Jan 1993 – Feb 1996 |
| Thomas, L. J. O-3-11235 | Anderson Producing, Inc. only | L. J. T. (Cook Mountain) | Liberty | 1 | 999 | 144 | Jan 1993 – Jul 1994 |
| Kirby G-3-121636 | JMC Resources Corp. only | Menard Creek (Cook MTN) | Polk | 1 | 994 | 122K | Jan 1993 – Feb 2002 |