| Wilhelm O-13-32492 | FX Energy Operating, LLC | KRS (Marble Falls) | 4 | 35.5K | 858K | Apr 2013 – Aug 2022 |
| Ruby O-13-31947 | Best Petroleum Explorations,inc. | JMG Mag (Miss) | 2 | 35.3K | 550K | Jun 2011 – Dec 2023 |
| King O-13-3713 | D L Operating | Harwell (Strawn) | 2 | 35.3K | 20 | by Jan 1993 – Aug 2026 |
| Carter, Lester "A" O-13-27715 | Paratus Petroleum LLC | Peek (Bryson) | 3 | 35.3K | 17.8K | by Jan 1993 – Aug 2026 |
| Sheppard "C" O-13-29356 | Scout Energy Management LLC | Morris (Consolidated Congl.) | 1 | 35.2K | 254K | Jul 1997 – Feb 2015 |
| C.P. Clayton O-13-3593 | D L Operating | Bryson (Mississippi Lime) | 1 | 35.1K | 33.9K | by Jan 1993 – Aug 2026 |
| Epperson "A" O-13-24385 | Southern Alliance Oil Corp. | Kennedy (Atoka) | 1 | 34.7K | 251K | by Jan 1993 – Aug 2026 |
| Allar Company "A" O-13-25354 | D L Operating | Crum (Marble Falls) | 1 | 34.6K | 334K | by Jan 1993 – Aug 2026 |
| Yates, I. G. G-13-28932 | Great American Resources Inc. | Boonsville (Bend Congl., Gas) | 1 | 34.6K | 310K | by Jan 1993 – Jun 2014 |
| R. L. Martin O-13-34443 | Oakridge Oil and Gas, LP | Bryson, East | 4 | 34.6K | 13.6K | Jan 2026 – Aug 2026 |
| F.B. Meeks O-13-33511 | Bowles Energy, Inc. | KRS (Marble Falls) | 1 | 34.5K | 212K | Aug 2015 – Aug 2026 |
| Pursley O-13-21571 | Quest Petroleum Company | Pursley (Caddo Lime) | 3 | 34.5K | 106K | by Jan 1993 – Jan 2022 |
| Ritchie O-13-24116 | Xplore Operating, LLC | Jack County Regular | 4 | 34.4K | 21 | by Jan 1993 – Mar 2021 |
| Yates, Billie G-13-230506 | BKV North Texas, LLC | Newark, East (Barnett Shale) | 1 | 34.4K | 271K | Jan 2007 – Oct 2014 |
| Craft Jones O-13-32156 | Eagleridge Operating, LLC | KRS (Marble Falls) | 5 | 34.3K | 1.1M | Oct 2011 – May 2021 |
| McNatt O-13-19294 | Felderhoff Production Company | Newport, S. (Bend Congl.) | 1 | 33.7K | 51.9K | by Jan 1993 – Jul 2010 |
| Zuber O-13-30493 | Upham Oil & Gas Company | Newark, East (Barnett Shale) | 1 | 33.6K | 85.3K | Sep 2005 – Jul 2022 |
| Mercury /Strawn/ Field Unit O-13-13855 | Pop Operating Company | Mercury (Strawn) | 27 | 33.6K | 21 | by Jan 1993 – Aug 2026 |
| Fletcher-Yates O-13-29217 | A J Myers Prod. LLC | Morris (Consolidated Congl.) | 1 | 33.5K | 164K | Oct 1996 – Jul 2026 |
| Worthington, L. A. -B- O-13-8933 | Circle Ridge Production, Inc. | Ken-Rich (Bryson) | 7 | 33.5K | 21 | by Jan 1993 – Aug 2019 |
| Smith, Allard O-13-3444 | Squaw Mountain Oil, LLC | Ada (Strawn) | 2 | 33.5K | 112 | by Jan 1993 – Aug 2026 |
| Duncan, W.C. O-13-28793 | S&G Oil LLC | Dees (Atoka Conglomerate) | 1 | 33.4K | 548K | May 1994 – Jul 2026 |
| Cooper, J. B. O-13-3969 | Leonard Brothers Operating Co. | Weir | 10 | 33.3K | 21 | by Jan 1993 – Jul 2026 |
| Tipton O-13-19155 | S&G Oil LLC | Cundiff, N. (Atoka Congl., Up.) | 1 | 33.2K | 14.5K | by Jan 1993 – Jul 2026 |
| Barker, J. W., Estate O-13-24418 | D L Operating | Jack County Regular | 2 | 33.1K | 187 | by Jan 1993 – Aug 2026 |
| Stewart O-13-32077 | Eagleridge Operating, LLC | KRS (Marble Falls) | 3 | 33.1K | 567K | Oct 2011 – May 2020 |
| Clayton Ranch B O-13-32498 | Oakridge Oil and Gas, LP | KRS (Marble Falls) | 2 | 33K | 676K | Feb 2013 – Aug 2026 |
| Scott, Roscoe O-13-12253 | Felderhoff Production Company | Gladden (Strawn) | 3 | 33K | 119 | by Jan 1993 – Jul 2026 |
| Peterson, W. H. O-13-24174 | Blevins Production LLC | Jack County Regular | 3 | 33K | 21 | by Jan 1993 – Dec 2025 |
| Massie, R. H. O-13-3696 | Quest Petroleum Company | Gresham, E. (Strawn, Upper) | 6 | 32.9K | 73 | by Jan 1993 – Apr 2022 |
| Williams, T. D. O-13-34123 | Paratus Petroleum LLC | Harwell (Strawn) | 1 | 32.8K | 0 | Aug 2022 – Aug 2026 |
| Ellis "B" O-13-29297 | Paratus Petroleum LLC | Lost Valley (Caddo) | 2 | 32.8K | 77.9K | Feb 1997 – Sep 2019 |
| Porter, E. C. O-13-3730 | Self, Charles Lynn | Hoefle (Pool) | 1 | 32.8K | 104K | by Jan 1993 – Aug 2026 |
| Richards Ranch G-13-237984 | FX Energy Operating, LLC | Newark, East (Barnett Shale) | 1 | 32.6K | 481K | Jul 2007 – Sep 2017 |
| W. E. Ruth O-13-32229 | FX Energy Operating, LLC | KRS (Marble Falls) | 2 | 32.5K | 615K | Jun 2012 – Aug 2022 |
| Tom Carpenter Oil Unit "A" O-13-29331 | Great American Resources Inc. | Gresham, E. (Miss.) | 2 | 32.5K | 50.6K | Mar 1997 – Mar 2019 |
| Wimberly Family Trust O-13-32938 | Oakridge Oil and Gas, LP | KRS (Marble Falls) | 2 | 32.3K | 302K | Apr 2014 – Jul 2025 |
| Ames O-13-25188 | Winfield Operating Company | Gresham (Strawn) | 2 | 32.3K | 21 | by Jan 1993 – Aug 2026 |
| Prothro O-13-32406 | Atlas Barnett, LLC | JMG Mag (Miss) | 1 | 32K | 224K | Jul 2011 – Mar 2012 |
| Jackson Trust O-13-27000 | Borderline Operating Corp. | Bryson, East | 2 | 31.8K | 20 | by Jan 1993 – Nov 2005 |
| Street, Anna O-13-24551 | Stephens & Johnson Operating Co. | Stewart (Congl.) | 2 | 31.8K | 62.8K | by Jan 1993 – Oct 2004 |
| Briscoe O-13-25575 | Maddox Operating | Jack County Regular | 11 | 31.7K | 143 | by Jan 1993 – Aug 2026 |
| Worthington O-13-33500 | FX Energy Operating, LLC | KRS (Marble Falls) | 1 | 31.7K | 106K | Feb 2016 – Aug 2026 |
| Carpenter-Martin O-13-29617 | Aspen Operating Company, L.L.C. | Lost Valley (Caddo) | 1 | 31.5K | 107K | Feb 1999 – Mar 2010 |
| Lindsey O-13-32554 | Oakridge Oil and Gas, LP | KRS (Marble Falls) | 3 | 31.5K | 515K | May 2013 – Aug 2026 |
| McKelvey -A- O-13-3262 | Horseshoe Production, LLC | Jack County Regular | 1 | 31.4K | 20.1K | by Jan 1993 – Jul 2026 |
| Sewell O-13-32637 | Oakridge Oil and Gas, LP | KRS (Marble Falls) | 5 | 31.4K | 714K | Apr 2013 – Aug 2026 |
| WB Owen O-13-31796 | Petrobal Omega 1, LLC | KRS (Marble Falls) | 2 | 31.1K | 444K | Oct 2010 – Sep 2019 |
| Ellis "A" O-13-29194 | Paratus Petroleum LLC | Lost Valley (Caddo) | 2 | 31K | 180K | Aug 1996 – Nov 2017 |
| Hurd O-13-32901 | FX Energy Operating, LLC | KRS (Marble Falls) | 2 | 31K | 732K | Mar 2014 – Aug 2026 |