| Isaacs 207 G-14-219113 | Bce-Mach III LLC only | Canadian, SW. (Granite Wash) | Hemphill | 1 | 10.1K | 595K | Jul 2006 – Aug 2026 |
| McMordie 4-125 O-14-9799 | Texakoma E & P, LLC only | Canadian, SE. (Douglas Lower) | Roberts | 1 | 10.1K | 7.05K | Aug 2022 – Aug 2026 |
| Isaacs -210- G-14-176158 | Mountainside Energy Operating, L only | Canadian, SW. (Granite Wash) | Hemphill | 1 | 9.99K | 927K | Feb 2000 – Apr 2026 |
| Campbell 56 G-14-214608 | Bce-Mach III LLC only | Canadian, SW. (Granite Wash) | Hemphill | 1 | 9.89K | 1.03M | Jan 2006 – Aug 2026 |
| Wright, Lucille O-14-5179 | Mmgl Txph, LLC only | Canadian, SE (Douglas) | Hemphill | 3 | 9.78K | 240K | by Jan 1993 – May 2008 |
| Isaacs 211 G-14-173873 | Chevron U. S. A. Inc. only | Canadian, SW. (Granite Wash) | Hemphill | 1 | 9.69K | 472K | Jul 1999 – Oct 2010 |
| Campbell G-14-176849 | Mountainside Energy Operating, L only | Canadian, SW. (Granite Wash) | Hemphill | 1 | 9.66K | 304K | Nov 1999 – Jun 2013 |
| Isaacs C O-14-9747 | Unit Petroleum Company only | Canadian, SE (Douglas) | Hemphill | 1 | 9.44K | 36.6K | Jul 2021 – Apr 2023 |
| Urschel, Lester B. G-14-60743 | Mmgl Txph, LLC only | Canadian, NE (Douglas) | Hemphill | 1 | 9.26K | 1.31M | by Jan 1993 – Aug 2026 |
| Jarvis "A" G-14-238621 | Unit Petroleum Company only | Canadian, SE (Morrow, LO) | Hemphill | 1 | 8.93K | 6.58M | Apr 2008 – Aug 2026 |
| Isaacs "126" G-14-198055 | Mewbourne Oil Company only | Canadian, SE (Douglas) | Hemphill | 1 | 8.78K | 470K | Oct 2003 – Aug 2026 |
| Hoover 52 G-14-195572 | BP America Production Company only | Canadian, SE (Douglas) | Hemphill | 1 | 8.75K | 75.1K | Apr 2003 – May 2013 |
| Isaacs -209- G-14-146370 | Mountainside Energy Operating, L only | Canadian, SW. (Granite Wash) | Hemphill | 1 | 8.61K | 609K | Aug 1993 – Mar 2020 |
| Campbell G-14-152891 | Bracken Operating, L.L.C. only | Canadian, SE (Douglas) | Hemphill | 1 | 8.57K | 2.52M | Mar 1995 – Dec 2010 |
| Isaacs, John C. Jr. "G" O-14-6871 | Amoco Production Company only | Canadian, SE (Douglas) | Hemphill | 1 | 8.39K | 8.15K | by Jan 1993 – Oct 2000 |
| Lisbeth G-14-180043 | Mmgl Txph, LLC only | Canadian, West (Morrow Upper) | Hemphill | 1 | 8.39K | 2.24M | Nov 2000 – Feb 2020 |
| Isaacs O-14-5799 | Blackbeard Operating, LLC only | Canadian, SE (Douglas) | Hemphill | 2 | 8.24K | 65.3K | by Jan 1993 – Jul 2013 |
| Isaacs E O-14-9863 | Unit Petroleum Company only | Canadian, SE (Douglas) | Hemphill | 1 | 8.21K | 14.3K | Jan 2025 – Aug 2026 |
| Flowers -C- G-14-59468 | Presidio Petroleum LLC only | Canadian, SE (Douglas) | Hemphill | 1 | 8.17K | 1.51M | by Jan 1993 – Aug 2026 |
| Isaacs 207 G-14-158991 | Bce-Mach III LLC only | Canadian, SW. (Granite Wash) | Hemphill | 1 | 8.05K | 559K | May 1996 – Sep 2018 |
| Jones Trust -25- G-14-190781 | Unbridled Resources, LLC only | Canadian, SE (Douglas) | Hemphill | 1 | 8.02K | 395K | Jun 2002 – Jan 2014 |
| Brainard "111" G-14-181742 | Mewbourne Oil Company only | Canadian, West (Morrow Upper) | Hemphill | 1 | 8K | 2.49M | Feb 2001 – Aug 2026 |
| Campbell O-14-7055 | Noble Energy Inc only | Canadian, SE (Douglas) | Hemphill | 1 | 7.46K | 11.3K | Jul 1995 – Nov 1999 |
| Whittenburg "A" O-14-4957 | Canadian River Trading Co II only | Panhandle Hutchinson County Fld. | Hutchinson | 10 | 7.42K | 478K | by Jan 1993 – Oct 2016 |
| Luginbyhl O-14-766 | Canadian River Trading Co II only | Panhandle Hutchinson County Fld. | Hutchinson | 11 | 7.4K | 162K | by Jan 1993 – Nov 2013 |
| Isaacs-Simpson G-14-88188 | Mountainside Energy Operating, L only | Canadian, SE (Douglas) | Hemphill | 1 | 7.32K | 193K | by Jan 1993 – Aug 2008 |
| Isaacs -210- O-14-5496 | Chevron U. S. A. Inc. only | Canadian SW. (Douglas,lower) | Hemphill | 1 | 7.13K | 147K | Oct 1993 – Dec 2010 |
| Isaacs 205 G-14-219117 | Bce-Mach III LLC only | Canadian, SW. (Granite Wash) | Hemphill | 1 | 6.99K | 469K | May 2006 – Aug 2026 |
| Humphreys G-14-91912 | Unbridled Resources, LLC only | Canadian, SE (Douglas) | Hemphill | 1 | 6.91K | 1.62M | by Jan 1993 – Jul 2019 |
| Campbell G-14-102935 | Unit Petroleum Company only | Canadian, SW. (Morrow, Up.) | Hemphill | 1 | 6.69K | 1.46M | by Jan 1993 – Apr 2013 |
| Isaacs-Simpson G-14-58785 | Mountainside Energy Operating, L only | Canadian, SE (Douglas) | Hemphill | 1 | 6.52K | 2.34M | by Jan 1993 – Jun 2026 |
| Flowers "B" G-14-181442 | Presidio Petroleum LLC only | Canadian, SE (Douglas) | Hemphill | 1 | 6.43K | 490K | Aug 2000 – Jun 2023 |
| Nix G-14-191473 | United Oil & Shale LLC only | Canadian, NW (Douglas) | Hemphill | 1 | 6.32K | 1.02M | Nov 2002 – Jun 2014 |
| Canadian-Kingsland O-14-1301 | WO Operating Company only | Panhandle Hutchinson County Fld. | Hutchinson | 1 | 6.29K | 6.78K | by Jan 1993 – Feb 2000 |
| Webb, Arthur "A" G-14-164432 | BP America Production Company only | Canadian, West (Morrow Upper) | Hemphill | 1 | 6.28K | 447K | May 1997 – Aug 2013 |
| Etheredge A G-14-63865 | Presidio Petroleum LLC only | Canadian, SE (Douglas) | Hemphill | 1 | 6.17K | 1.4M | by Jan 1993 – Aug 2026 |
| Flowers G-14-151706 | Mountainside Energy Operating, L only | Canadian, SE (Douglas) | Hemphill | 1 | 6.12K | 1.18M | Oct 1994 – Jun 2026 |
| Studer O-14-6081 | McNic Oil & Gas Midcontinent,inc only | Canadian, SE. (Tonkawa) | Hemphill | 2 | 6.12K | 491K | by Jan 1993 – Dec 1996 |
| Brown, Charles E. et al "D" G-14-69727 | Mmgl Txph, LLC only | Canadian, SE (Douglas) | Hemphill | 1 | 6.09K | 559K | by Jan 1993 – Apr 2010 |
| Isaacs-Simpson G-14-99510 | Mountainside Energy Operating, L only | Canadian, SE (Douglas) | Hemphill | 1 | 6.01K | 2.57M | by Jan 1993 – Jul 2026 |
| Jarvis, Billy & Sons Inc et Al O-14-6649 | BP America Production Company only | Canadian, SE. (Douglas Lower) | Hemphill | 1 | 5.98K | 113K | by Jan 1993 – Jun 2000 |
| Campbell G-14-142765 | Batton Oil & Gas, LLC only | Canadian, SW. (Granite Wash) | Hemphill | 1 | 5.84K | 329K | by Jan 1993 – Jul 2026 |
| Campbell, Jenkie G-14-69592 | Pantera Energy Company only | Canadian, SW. (Granite Wash) | Hemphill | 1 | 5.78K | 337K | by Jan 1993 – Dec 2020 |
| Fairfax G-14-186615 | Mewbourne Oil Company only | Canadian, SW. (Granite Wash) | Hemphill | 1 | 5.76K | 281K | Dec 2001 – Oct 2025 |
| Isaacs, John C. Jr et Al G-14-144662 | Mmgl Txph, LLC only | Canadian, SW. (Granite Wash) | Hemphill | 1 | 5.57K | 758K | Mar 1993 – Aug 2024 |
| Wright, Lucille "D" O-14-5498 | Mmgl Txph, LLC only | Canadian, SE (Douglas) | Hemphill | 2 | 5.35K | 214K | by Jan 1993 – Aug 2026 |
| Isaacs, John C. Jr et Al G-14-250180 | Mewbourne Oil Company only | Canadian, SW. (Granite Wash) | Hemphill | 1 | 5.35K | 146K | May 2009 – Aug 2026 |
| Shaller, Frank G-14-77428 | Mmgl Txph, LLC only | Canadian, SE (Douglas) | Hemphill | 1 | 5.35K | 703K | by Jan 1993 – Aug 2026 |
| Jarvis, Billy -A- G-14-155078 | Questa Energy Corporation only | Canadian, SE. (Douglas Lower) | Hemphill | 1 | 5.3K | 439K | Jun 1995 – Aug 2026 |
| Brown, J. T. -et- -al- -B- G-14-76875 | Mmgl Txph, LLC only | Canadian, SE (Douglas) | Hemphill | 1 | 5.25K | 1M | by Jan 1993 – Sep 2018 |