| Yates, L. H. G-13-122711 | Eagleridge Operating, LLC | Boonsville (Bend Congl., Gas) | 1 | 23.3K | 491K | Mar 1995 – Aug 2026 |
| Rita O-13-23574 | Best Petroleum Explorations,inc. | Dearing (Strawn) | 1 | 23.1K | 37 | by Jan 1993 – Jun 2007 |
| Gifford O-13-26614 | Hess, Jerry Operating Co. | Matlock | 2 | 23.1K | 20 | by Jan 1993 – Jan 2014 |
| Jerry Craft O-13-31926 | Eagleridge Operating, LLC | KRS (Marble Falls) | 1 | 23.1K | 849K | Oct 2010 – Feb 2023 |
| Conkling-Roney OU O-13-29973 | Great American Resources Inc. | Lost Valley (Caddo) | 3 | 23K | 182K | Dec 2001 – Jan 2009 |
| Clayton -W- O-13-3285 | Schlittler, Willard | Jack County Regular | 1 | 22.9K | 127 | by Jan 1993 – Aug 2026 |
| Gregg O-13-28237 | Uhc Petroleum Corporation | Joplin (Bend Conglomerate) | 1 | 22.9K | 19.9K | by Jan 1993 – Jan 2007 |
| Crowley -A- O-13-29782 | Threshold Development Company | TDC Crowley (Caddo) | 1 | 22.8K | 16.9K | Jul 2000 – Jan 2003 |
| Duerson O-13-32192 | Best Petroleum Explorations,inc. | JMG Mag (Miss) | 1 | 22.6K | 182K | Feb 2012 – Apr 2013 |
| Lindsey Ranch "B" O-13-30015 | Devon Energy Production Co, L.P. | Post Oak, SW. (Marble Falls) | 2 | 22.6K | 121K | Mar 2002 – Feb 2009 |
| Hanna Heirs "A" O-13-28503 | Paratus Petroleum LLC | Lost Valley (Caddo) | 2 | 22.6K | 268K | Feb 1993 – Apr 2018 |
| Wimberly-Keith O-13-32986 | Oakridge Oil and Gas, LP | KRS (Marble Falls) | 3 | 22.6K | 475K | Jan 2014 – Nov 2025 |
| Sublett O-13-32664 | Best Petroleum Explorations,inc. | Wolfe, N. (Caddo, Upper) | 1 | 22.3K | 92.5K | Sep 2013 – Aug 2026 |
| Peek, Ruth "A" O-13-27605 | Paratus Petroleum LLC | Harwell (Strawn) | 2 | 22.3K | 13.5K | by Jan 1993 – Aug 2017 |
| Worthington, L. A., -D- O-13-11060 | Lyon Operating Company Inc.(iii) | Jack County Regular | 6 | 22.2K | 21 | by Jan 1993 – Apr 2026 |
| Cherryhomes O-13-33350 | Eagleridge Operating, LLC | KRS (Marble Falls) | 1 | 22.2K | 152K | Dec 2014 – Aug 2026 |
| Myers O-13-32604 | White Knight Production LLC | KRS (Marble Falls) | 3 | 22K | 519K | Jun 2013 – Jun 2019 |
| Roney, Vera O-13-17487 | Great American Resources Inc. | Lost Valley (Caddo) | 1 | 22K | 80.6K | by Jan 1993 – Jul 2026 |
| Ragsdale O-13-20832 | GO Oil Corp. | Rusmag | 1 | 22K | 1.3K | by Jan 1993 – Mar 2025 |
| Meeks, F. B. O-13-16227 | PRC Operating, Inc. | Dillard, SE. (Ellenburger) | 1 | 22K | 48.9K | by Jan 1993 – Aug 2026 |
| Shoun Unit O-13-32117 | Quest-Tex Energy OP II, LLC | KRS (Marble Falls) | 1 | 21.5K | 468K | Apr 2011 – Aug 2015 |
| Swarts-Briley O-13-12382 | Pop Operating Company | Jack County Regular | 4 | 21.5K | 20 | by Jan 1993 – Aug 2026 |
| Raley O-13-28902 | North Texas Plugging, LLC | Bryson, NE. (Caddo) | 1 | 21.5K | 258K | Jan 1995 – Jun 2017 |
| Campsey -106- O-13-20903 | Raylee Operating Company | Jack County Regular | 2 | 21.4K | 144 | by Jan 1993 – Apr 2005 |
| Mable O-13-24201 | Mokan Capital, LLC | Jack County Regular | 12 | 21.4K | 122 | by Jan 1993 – Aug 2026 |
| Campbell BB O-13-31625 | Just Oil & Gas, Inc. | Archer County Regular | 10 | 21.4K | 0 | Jun 2010 – Aug 2026 |
| Keyser O-13-23405 | 7-Iron Oil & Gas, LLC | Dennis (Bryson) | 1 | 21.4K | 66.2K | by Jan 1993 – Jul 2024 |
| Wingate O-13-27588 | B.O.L.D. Oil and Gas, LLC | Jack County Regular | 1 | 21.3K | 245 | by Jan 1993 – Aug 2026 |
| Duerson O-13-22347 | Perry Operating Inc. | Chawn (Strawn) | 12 | 21.3K | 21 | by Jan 1993 – Apr 2022 |
| Sewell A G-13-250371 | Oakridge Oil and Gas, LP | Newark, East (Barnett Shale) | 1 | 21.2K | 178K | Jul 2009 – Aug 2026 |
| Henderson G-13-279786 | FX Energy Operating, LLC | KRS (Marble Falls) | 1 | 21.2K | 215K | Nov 2015 – Aug 2026 |
| M-S O-13-30287 | Legacy Exploration, LLC I | JMG Mag (Miss) | 1 | 21.2K | 75.2K | Feb 2004 – Nov 2022 |
| Zuber Unit O-13-31300 | Upham Oil & Gas Company | Newark, East (Barnett Shale) | 1 | 21.1K | 22.8K | Jun 2009 – Aug 2026 |
| Gillespie, Ralph O-13-29730 | Great American Resources Inc. | Peek (Bryson) | 1 | 21.1K | 0 | Feb 2000 – Jun 2010 |
| Virginia Owen "I" O-13-32118 | Brigadier Operating, LLC | KRS (Marble Falls) | 1 | 21.1K | 279K | Aug 2011 – Feb 2014 |
| Whitsitt O-13-33040 | Best Petroleum Explorations,inc. | Newark, East (Barnett Shale) | 1 | 20.9K | 229K | May 2014 – Sep 2022 |
| Deweber O-13-32726 | Oakridge Oil and Gas, LP | KRS (Marble Falls) | 1 | 20.8K | 135K | May 2013 – Feb 2019 |
| Hall O-13-31792 | Best Petroleum Explorations,inc. | JMG Mag (Miss) | 1 | 20.8K | 70.9K | Oct 2010 – Nov 2023 |
| Gahagan, C. P. O-13-21163 | D L Operating | Bryson, East | 2 | 20.8K | 235K | by Jan 1993 – Aug 2026 |
| Garrett, M. L. O-13-21504 | Del Mar Energy, Inc. | Ellis | 3 | 20.8K | 4.45K | by Jan 1993 – Dec 2008 |
| Crum, R. L. O-13-17205 | Sierra Exploration Company | Ambra (Strawn) | 1 | 20.8K | 47 | by Jan 1993 – Aug 2005 |
| Richards O-13-27205 | Quest Petroleum Company | Cary-Mag (Conglomerate) | 2 | 20.7K | 1.23M | by Jan 1993 – Jun 2026 |
| Geer O-13-32169 | FX Energy Operating, LLC | KRS (Marble Falls) | 2 | 20.6K | 844K | Oct 2011 – Feb 2022 |
| Rector O-13-29791 | Chief Oil & Gas LLC * | Morris (Consolidated Congl.) | 1 | 20.6K | 239K | Mar 2000 – Nov 2004 |
| Conkling, W.W. O-13-27780 | Mitchell Energy Corporation | Harwell (Strawn) | 2 | 20.5K | 17K | by Jan 1993 – Jun 2000 |
| Flo-Coop, Inc. O-13-25719 | Great American Resources Inc. | Crum (Marble Falls) | 4 | 20.4K | 1.03M | by Jan 1993 – Mar 2017 |
| Peek, Ruth O-13-25359 | Paratus Petroleum LLC | Jack County Regular | 3 | 20.4K | 46.5K | by Jan 1993 – Jun 2013 |
| J.B. Owen O-13-31977 | Brigadier Operating, LLC | KRS (Marble Falls) | 1 | 20.3K | 257K | Jan 2011 – Dec 2014 |
| Monaghan O-13-33355 | FX Energy Operating, LLC | KRS (Marble Falls) | 1 | 20.2K | 288K | Feb 2015 – Aug 2026 |
| Fletcher O-13-29315 | Trio Consulting & Management,llc | Boonsville (Atoka Congl. 5870) | 1 | 20.2K | 203K | Mar 1997 – Oct 2017 |