| Woods Heirs O-8-25711 | Braka Operating, L.L.C. only | Reb (Marble Falls) | Eastland | 1 | 7.65K | 88.5K | by Jan 1993 – Feb 2021 |
| Clark, Lester "C" O-8-25769 | McClymond, Inc. only | Eloise Kay (Marble Falls) | Stephens | 1 | 7.64K | 25.7K | by Jan 1993 – May 1997 |
| Barnett No. 5 Unit O-13-29094 | Itx Corporation only | Barnett (Marble Falls, Oil) | Young | 1 | 7.63K | 62.5K | Feb 1996 – Aug 2026 |
| Gage Unit O-13-33267 | Stone Creek Operating, LLC only | KRS (Marble Falls) | Jack | 1 | 7.6K | 110K | Dec 2014 – Oct 2019 |
| Hamman C O-13-32760 | Oakridge Oil and Gas, LP only | Kadane (Marble Falls) | Jack | 1 | 7.59K | 339K | Dec 2013 – Dec 2023 |
| Stuart, Julia R. O-8-7491 | Stephens & Johnson Operating Co. only | Strawn, NW. (Marble Falls) | Palo Pinto | 7 | 7.59K | 113K | by Jan 1993 – Sep 1995 |
| Hosch O-8-17498 | SRV Oil Co only | Santa Anna, S. (Marble Falls) | Coleman | 2 | 7.57K | 574 | by Jan 1993 – Aug 2026 |
| Noble O-13-32083 | Petrobal Omega 1, LLC only | KRS (Marble Falls) | Jack | 1 | 7.54K | 180K | Apr 2011 – Dec 2015 |
| Kolp O-8-22752 | Eastland Operating, L.L.C. only | Ranger,nw (Marble Falls) | Eastland | 1 | 7.54K | 486K | by Jan 1993 – Aug 2026 |
| Lange,h.c. O-8-17003 | Eastland Operating, L.L.C. only | Ranger,nw (Marble Falls) | Eastland | 1 | 7.53K | 307K | by Jan 1993 – Aug 2026 |
| Veale,a.s. "C" G-8-128818 | Itx Corporation only | Veale (Marble Falls) | Stephens | 1 | 7.51K | 303K | by Jan 1993 – Aug 2026 |
| Jackson O-13-32802 | FX Energy Operating, LLC only | KRS (Marble Falls) | Jack | 2 | 7.49K | 933K | Jan 2014 – Apr 2025 |
| Woodward Trust O-8-26357 | Saguaro Petroleum, LLC only | Strawn, NW. (Marble Falls) | Palo Pinto | 1 | 7.49K | 126K | by Jan 1993 – Nov 2016 |
| Massey, W.W. O-8-26537 | Pearson, Lee Roy III only | Crawford (Marble Falls) | Eastland | 1 | 7.45K | 42.3K | by Jan 1993 – May 2008 |
| L. E. Boley O-13-32741 | Case Resources, LLC only | KRS (Marble Falls) | Jack | 1 | 7.44K | 361K | Jan 2013 – Oct 2024 |
| Ethel Worthington G-13-280450 | Oakridge Oil and Gas, LP only | Neale (Marble Falls) | Jack | 1 | 7.43K | 81.9K | May 2016 – Aug 2026 |
| Kinder O-13-32665 | Rio Bravo Production, LLC only | KRS (Marble Falls) | Jack | 1 | 7.43K | 83.2K | Mar 2013 – Aug 2026 |
| Lewis, H. H. O-13-15197 | K-B Oil Company, LLC only | Weiler (Marble Falls) | Jack | 1 | 7.34K | 298K | by Jan 1993 – Aug 2026 |
| Falls, Minnie "3" O-11-67087 | Walker Oil and Gas Ltd only | Sharon Ridge (Clear Fork) | Scurry | 1 | 7.31K | 26 | Apr 1993 – Mar 2021 |
| South Easter O-13-34189 | Best Petroleum Explorations,inc. only | Crum (Marble Falls) | Jack | 1 | 7.31K | 32.4K | Feb 2023 – Aug 2026 |
| Pugh JV3 O-8-29730 | Coreterra Operating, LLC only | Moon, SE. (Marble Falls 3940) | Stephens | 1 | 7.29K | 141K | May 2006 – Sep 2010 |
| Owen O-13-32493 | White Knight Production LLC only | KRS (Marble Falls) | Jack | 1 | 7.28K | 292K | Apr 2013 – Jun 2017 |
| Hamman A G-13-264557 | Oakridge Oil and Gas, LP only | KRS (Marble Falls) | Jack | 1 | 7.26K | 208K | Mar 2012 – Jun 2021 |
| Falls, Minnie "4" O-11-67090 | Walker Oil and Gas Ltd only | Sharon Ridge (Clear Fork) | Scurry | 1 | 7.24K | 26 | Apr 1993 – Mar 2021 |
| Hinkson O-8-21847 | Echo Production, Inc. only | Pickwick (Marble Falls) | Palo Pinto | 1 | 7.24K | 138K | by Jan 1993 – Aug 2002 |
| Breitenbach G-8-259708 | Echols Oil Company, L.L.C. only | Echols (Marble Falls) | Stephens | 1 | 7.2K | 624K | Feb 2011 – Aug 2026 |
| Smith Heirs O-13-32912 | FX Energy Operating, LLC only | KRS (Marble Falls) | Jack | 1 | 7.19K | 129K | Apr 2014 – Aug 2026 |
| Robertson-Deats G-13-192208 | Great American Resources Inc. only | Lost Valley (Marble Falls) | Jack | 1 | 7.15K | 54.2K | Sep 2002 – May 2017 |
| Schaake G-13-280359 | FX Energy Operating, LLC only | KRS (Marble Falls) | Jack | 1 | 7.14K | 44.6K | Apr 2016 – Aug 2026 |
| Waggoner -RR- O-13-11278 | Falls Production Company only | Wilbarger County Regular | Wilbarger | 24 | 7.13K | 98 | by Jan 1993 – Dec 2001 |
| McFall-Kerby O-2-6894 | Halex Oil Corporation only | Rudman, West (Mackhank) | Bee | 1 | 7.13K | 34.6K | by Jan 1993 – Apr 2001 |
| Ash O-13-32856 | Antle Operating, Inc. only | KRS (Marble Falls) | Palo Pinto | 2 | 7.11K | 178K | Jan 2014 – Jan 2020 |
| Boyd R O-13-32649 | Oakridge Oil and Gas, LP only | KRS (Marble Falls) | Jack | 1 | 7.1K | 44.4K | Aug 2013 – Dec 2018 |
| Ragin Cajun Unit O-13-34024 | Legacy Exploration, LLC I only | KRS (Marble Falls) | Clay | 1 | 7.09K | 11K | May 2021 – Nov 2022 |
| Kincaid O-8-25790 | Lowrance Inc. only | Rebecca (Marble Falls) | Eastland | 1 | 7.06K | 42.2K | by Jan 1993 – Jul 2009 |
| Cody Owen Unit G-13-272332 | Eagleridge Operating, LLC only | KRS (Marble Falls) | Jack | 1 | 7.06K | 891K | Nov 2013 – Oct 2024 |
| Hill O-13-34030 | Oakridge Oil and Gas, LP only | KRS (Marble Falls) | Clay | 1 | 6.93K | 34.4K | May 2016 – Nov 2021 |
| Bird O-8-31362 | G & F Oil, Inc. only | Pickwick (Marble Falls) | Palo Pinto | 2 | 6.92K | 180K | Dec 2013 – Dec 2023 |
| Hinkson, Laura G-8-215638 | Esg Resources LLC only | Momma Bear (Marble Falls) | Palo Pinto | 1 | 6.91K | 62.2K | Mar 2006 – Mar 2024 |
| Hamman O-13-32683 | Oakridge Oil and Gas, LP only | Neale (Marble Falls) | Jack | 3 | 6.9K | 476K | May 2013 – May 2017 |
| Worthington A O-13-33304 | Oakridge Oil and Gas, LP only | Neale (Marble Falls) | Jack | 3 | 6.86K | 217K | Dec 2014 – Nov 2020 |
| Sterling Trust O-13-33390 | FX Energy Operating, LLC only | KRS (Marble Falls) | Jack | 1 | 6.85K | 232K | Jul 2015 – Jun 2025 |
| Anderson-Cooper S-3H Unit O-13-32784 | Eagleridge Operating, LLC only | KRS (Marble Falls) | Jack | 1 | 6.84K | 365K | Feb 2014 – Jan 2024 |
| Mathis O-13-32699 | FX Energy Operating, LLC only | KRS (Marble Falls) | Jack | 1 | 6.82K | 109K | Aug 2012 – Mar 2023 |
| Garner O-13-33981 | Blakenergy Operating, LLC only | KRS (Marble Falls) | Jack | 2 | 6.82K | 32.1K | Aug 2018 – Aug 2026 |
| Sheridan O-8-32298 | Moleco, LLC only | Santa Anna (Marble Falls) | Coleman | 5 | 6.77K | 116 | Jul 2018 – Aug 2026 |
| Leda Roe O-13-33462 | Rife Energy Operating, Inc. only | KRS (Marble Falls) | Clay | 1 | 6.76K | 69.4K | Aug 2015 – Aug 2026 |
| Mabel Watson O-13-33636 | Rife Energy Operating, Inc. only | KRS (Marble Falls) | Clay | 1 | 6.73K | 76K | Sep 2015 – Aug 2026 |
| Swan O-13-32343 | Myers, A. J. only | Bryson (Marble Falls) | Jack | 2 | 6.72K | 197K | Jul 2012 – Nov 2017 |
| Sewell A O-13-32697 | Oakridge Oil and Gas, LP only | Neale (Marble Falls) | Jack | 1 | 6.67K | 182K | Aug 2013 – Jan 2019 |