| Sealy Smith "B" G-8-207032 | Pony Express Corporate Trust | Emily (Ellenburger) | 1 | 15.9K | 63.2K | Feb 2005 – Mar 2022 |
| Henderson, W.H. G-8-125558 | Koko Skadi, LLC | Burkett, SW. (Duffer) | 1 | 5.11K | 163K | by Jan 1993 – Jun 2025 |
| Henderson, W.H. G-8-83567 | Koko Skadi, LLC | Burkett, SW. (Duffer) | 1 | 4.92K | 198K | by Jan 1993 – Jun 2025 |
| Neff G-8-100323 | Koko Skadi, LLC | Coleman County Regular (Gas) | 1 | 4.14K | 202K | by Jan 1993 – Jun 2025 |
| Paul G-8-191839 | Sojourner Drilling Corporation | Glen Cove (Jennings) | 1 | 4.04K | 49.6K | Sep 2002 – Nov 2012 |
| Neff, A. R. "B" G-8-144029 | Koko Skadi, LLC | Gayle | 1 | 4.03K | 45.4K | Feb 1993 – Jun 2025 |
| Evans, E.E. G-8-80791 | Delray Oil, Inc. | Talpa (Palo Pinto A) | 1 | 3.73K | 105K | by Jan 1993 – May 2015 |
| Justice "A" G-8-147316 | Whitt Oil & Gas, Inc. | Nena Gail (Gardner, Lower) | 1 | 3.66K | 98.3K | Sep 1993 – Dec 2004 |
| Henderson, W. H. G-8-46107 | Koko Skadi, LLC | Burkett, SW. (Duffer) | 1 | 3.2K | 73.6K | by Jan 1993 – Jun 2025 |
| Parker, David G-8-89791 | Gbtfta Operating, LLC | Novice, West (Gardner 3700) | 1 | 3.06K | 91.8K | by Jan 1993 – Nov 2001 |
| Mullins "B" G-8-124139 | Rhyne, J.V. | Silver Valley (Morris) | 1 | 2.71K | 55.7K | by Jan 1993 – Jul 2001 |
| Henderson,w.c. G-8-124176 | Koko Skadi, LLC | Burkett, SW. (Duffer) | 1 | 2.54K | 311K | by Jan 1993 – Jun 2025 |
| Stash G-8-116765 | Fortuna Exploration, Inc. | Triangle -H- (Upper Gray) | 1 | 2.52K | 230K | by Jan 1993 – Dec 2015 |
| Henderson, W. H. G-8-40951 | Royalty Land & Dev. Co., Inc. | Coleman County Regular (Gas) | 1 | 2.49K | 37.7K | by Jan 1993 – Feb 1999 |
| Cowan "B" G-8-119454 | Koko Skadi, LLC | Coleman County Regular (Gas) | 1 | 2.21K | 63K | by Jan 1993 – Jul 2026 |
| Henderson, W.C. G-8-124798 | Koko Skadi, LLC | Burkett, SW. (Duffer) | 1 | 2.11K | 113K | by Jan 1993 – Jun 2025 |
| Dunlap G-8-128319 | Novo Exploration Corporation | Francis K. (Gardner) | 1 | 1.9K | 145K | by Jan 1993 – Dec 1996 |
| Henderson, W.C. G-8-125243 | Koko Skadi, LLC | Burkett, SW. (Duffer) | 1 | 1.85K | 84.4K | by Jan 1993 – Jun 2025 |
| Rowe, J. D. G-8-153411 | J. & T. Oil Company | Talpa (Dog Bend) | 1 | 1.66K | 25.8K | Jan 1995 – Nov 1997 |
| Morris -H- G-8-267558 | K-M Oil Company, Inc. | Coleman County Regular (Gas) | 1 | 1.63K | 16.8K | Jan 2013 – Aug 2026 |
| Justice "D" G-8-153953 | Bendorf Services & Supply Co | Tamco (Gray Upper) | 1 | 1.59K | 20.4K | Mar 1995 – Jul 1996 |
| Henderson, W. H. G-8-201388 | Koko Skadi, LLC | Coleman County Regular (Gas) | 1 | 1.56K | 82.5K | Jul 2004 – Jun 2025 |
| Sealy-Smith "43" G-8-145093 | Benson & Schoen Oil Co., Inc. | Jeni-Beth (Jennings) | 1 | 1.53K | 74.2K | Apr 1993 – Apr 2008 |
| Allen, Susan G-8-129402 | Whiting Oil and Gas Corporation | Burkett, SW. (Duffer) | 1 | 1.47K | 157K | by Jan 1993 – Apr 2014 |
| Landers G-8-123880 | Dino Operating LLC | Grimm (Gardner) | 1 | 1.34K | 79.5K | by Jan 1993 – May 2009 |
| Sneed, Tom et UX G-8-126658 | Delray Oil, Inc. | Coleman County Regular (Gas) | 1 | 1.31K | 63.1K | by Jan 1993 – Nov 2001 |
| Herring, Dale E. G-8-121652 | T.G. Energy Co. | Coleman (Morris) | 1 | 1.31K | 45.5K | by Jan 1993 – Jun 2000 |
| Powell, Garland "A" G-8-114903 | Cedar Ridge Energy, Inc. | Coleman County Regular (Gas) | 1 | 1.28K | 29.7K | by Jan 1993 – Feb 2024 |
| Boggus, J.L. G-8-163628 | Cedar Ridge Energy, Inc. | Coleman County Regular | 1 | 1.25K | 10.3K | Jul 1997 – Feb 2024 |
| Warren-Thurman G-8-177329 | Paragon Corporation | Camp Colorado, N. (Duffer) | 1 | 1.23K | 93.6K | Apr 2000 – Nov 2006 |
| Henderson, W. H. G-8-201389 | Koko Skadi, LLC | Coleman County Regular (Gas) | 1 | 1.22K | 112K | Jul 2004 – Jun 2025 |
| Wells, J. "A" G-8-141037 | Cedar Ridge Energy, Inc. | Coleman County Regular | 1 | 1.21K | 82.6K | by Jan 1993 – Feb 2024 |
| Neff, A. R. "B" G-8-144032 | Koko Skadi, LLC | Gayle | 1 | 1.18K | 59.7K | Feb 1993 – Jun 2025 |
| Neff G-8-100326 | Koko Skadi, LLC | Coleman County Regular (Gas) | 1 | 1.17K | 273K | by Jan 1993 – Jun 2025 |
| Henderson, W.C. G-8-124727 | Koko Skadi, LLC | Burkett, SW. (Duffer) | 1 | 1.15K | 182K | by Jan 1993 – Jun 2025 |
| Bertrand, O. C. "A" G-8-120867 | Imperator Operating, LLC | Glen Cove, S. (Palo Pinto) | 1 | 1.15K | 38K | by Jan 1993 – Oct 2017 |
| Herring "A" G-8-290726 | Koko Skadi, LLC | Burt-Ogden-Mabee | 1 | 1.13K | 226 | Feb 2021 – Jul 2024 |
| McCord "A" G-8-53620 | HGN Operating I, LLC | Valera (Fry, Upper) | 1 | 1.09K | 493K | by Jan 1993 – Aug 2026 |
| Morris, J. P., Estate G-8-35885 | Knox, Jack L. | Coleman County Regular (Gas) | 1 | 1.06K | 22.2K | by Jan 1993 – May 2002 |
| McCarroll G-8-187210 | Powell-McCarroll Partnership | Coleman County Regular | 1 | 1.06K | 12K | Nov 2001 – Mar 2015 |
| Beaver, John Scott G-8-131241 | J.W.S. | Coleman County Regular | 1 | 1.03K | 26K | by Jan 1993 – Jul 2004 |
| Young, Roy "A" G-8-89539 | Mission Energy Inc. | Janet (Gray 2600) | 1 | 982 | 46.5K | by Jan 1993 – Jun 2010 |
| Knox "A" G-8-94688 | K-M Oil Company, Inc. | Turkey Run (Upper Gray) | 1 | 982 | 148K | by Jan 1993 – Aug 2026 |
| Thompson G-8-137617 | Jjes, Inc. | Coleman County Regular | 1 | 969 | 14.3K | by Jan 1993 – Dec 1997 |
| Hall G-8-176299 | Kornye-Tillman Company | Coleman County Regular (Gas) | 1 | 948 | 77.1K | May 2001 – Jun 2016 |
| Neff, A. R. "B" G-8-144033 | Whiting Oil and Gas Corporation | Gayle | 1 | 876 | 22.4K | Feb 1993 – Feb 2008 |
| Neff "A" G-8-119456 | Koko Skadi, LLC | Coleman County Regular (Gas) | 1 | 866 | 153K | by Jan 1993 – Jun 2025 |
| Coursey, E. C. Estate G-8-105185 | D.J. & T. Energy | Coleman County Regular (Gas) | 1 | 863 | 32.1K | by Jan 1993 – Feb 2013 |
| Gould, Oscar G-8-117806 | Seven Cross Operating, LLC | Burkett, SW. (Duffer) | 1 | 836 | 196K | by Jan 1993 – Jan 2015 |
| Evans, Loyd G-8-143287 | Cross Plains Hydrocarbons, LLC | Glen Cove (Jennings) | 1 | 790 | 144K | by Jan 1993 – Jan 2016 |