| Pounds, Wendell O-8-15572 | Eastland Operating, L.L.C. only | Mittie (Marble Falls) | Comanche | 3 | 10.9K | 115K | by Jan 1993 – Aug 2026 |
| Cantwell, W. O. O-8-30411 | Evarado Oil, LLC only | Ranger,nw (Marble Falls) | Eastland | 1 | 10.8K | 80 | Sep 2009 – Jul 2026 |
| Perkins A O-13-33253 | Stone Creek Operating, LLC only | KRS (Marble Falls) | Jack | 1 | 10.8K | 81.8K | Jan 2015 – Mar 2022 |
| David Holub O-8-30414 | Tracer Operating, Inc. only | Strawn, NW. (Marble Falls) | Palo Pinto | 3 | 10.7K | 521K | Dec 2008 – Aug 2016 |
| Tyler O-13-30566 | Tracer Operating, Inc. only | Strawn (Marble Falls 4060) | Palo Pinto | 1 | 10.7K | 540K | Oct 2005 – May 2016 |
| Murphy G-8-276092 | Eagleridge Operating, LLC only | Burns-Dalton(marble Falls) | Palo Pinto | 1 | 10.7K | 150K | Nov 2014 – May 2023 |
| Perkins O-8-13631 | BJB Transport LLC only | Foster (Marble Falls) | Eastland | 2 | 10.7K | 32 | by Jan 1993 – Jun 2014 |
| Carroll G-8-125398 | Eastland Operating, L.L.C. only | Reb (Marble Falls) | Eastland | 1 | 10.7K | 146K | by Jan 1993 – Aug 2026 |
| Pace O-13-33783 | Caribou Operating, Inc. only | Antelope,s.e. (Marble Falls) | Jack | 2 | 10.6K | 497K | May 2018 – Jul 2026 |
| Senters 3 Unit G-13-175402 | Itx Corporation only | Gahagan (Marble Falls, I) | Young | 1 | 10.6K | 344K | Nov 1999 – Aug 2026 |
| Corry B O-13-33712 | Delfin Operating, LLC only | Bowie, SW. (Marble Falls) | Jack | 1 | 10.6K | 93.6K | Dec 2017 – Aug 2026 |
| Williams O-13-31972 | Petrobal Omega 1, LLC only | KRS (Marble Falls) | Jack | 2 | 10.5K | 374K | Jan 2011 – Jun 2020 |
| Olinick, Jerome O-2-7530 | Legend Natural Gas II, LP only | Falls City (Ubar) | Karnes | 1 | 10.5K | 714 | by Jan 1993 – Jan 1998 |
| Downey, Mary Clark O-13-29887 | Karper Oil & Gas Corporation only | Karran, North (Marble Falls) | Young | 1 | 10.5K | 3.11K | Apr 2001 – Dec 2014 |
| Murphy G-8-275743 | Eagleridge Operating, LLC only | Burns-Dalton(marble Falls) | Palo Pinto | 1 | 10.4K | 116K | Nov 2014 – Jan 2022 |
| Reagan-Mercer O-13-27572 | Xplore Operating, LLC only | Lost Valley (Marble Falls) | Jack | 2 | 10.4K | 274K | by Jan 1993 – May 2017 |
| Yow O-13-32615 | White Knight Production LLC only | KRS (Marble Falls) | Palo Pinto | 1 | 10.3K | 159K | Jul 2013 – Sep 2018 |
| Chambers, W. R. O-8-17943 | KLH Oil & Gas, Inc. only | Dale (Marble Falls) | Brown | 1 | 10.3K | 32.6K | by Jan 1993 – Aug 2026 |
| Quick G-13-279128 | Eagleridge Operating, LLC only | KRS (Marble Falls) | Jack | 1 | 10.3K | 164K | Feb 2015 – Mar 2025 |
| Herring O-8-31372 | FX Energy Operating, LLC only | Burns-Dalton(marble Falls) | Palo Pinto | 2 | 10.3K | 152K | Nov 2013 – Jun 2026 |
| McElroy O-13-33799 | G & F Oil, Inc. only | KRS (Marble Falls) | Jack | 1 | 10.2K | 37.8K | Jun 2018 – Jul 2026 |
| Pence, Charles G. -PC- O-8-17942 | Eastland Operating, L.L.C. only | Cameron, P. (Marble Falls) | Eastland | 3 | 10.1K | 30.6K | Oct 1993 – Jan 2020 |
| Rumage O-13-33523 | Case Resources, LLC only | KRS (Marble Falls) | Jack | 1 | 10.1K | 31.9K | Dec 2014 – Feb 2025 |
| Cozart O-13-32362 | Best Petroleum Explorations,inc. only | KRS (Marble Falls) | Jack | 1 | 10.1K | 69.3K | Oct 2012 – Jan 2020 |
| Clerihew O-13-32826 | Rife Energy Operating, Inc. only | Antelope,s.e. (Marble Falls) | Jack | 1 | 10.1K | 40.9K | Sep 2013 – Jul 2024 |
| Marble Falls Unit O-8-1384 | Proco Operating Co., Inc. only | Kirk | Eastland | 5 | 10.1K | 20.4K | by Jan 1993 – Sep 2016 |
| Barnett No. 1 Unit O-13-28677 | Itx Corporation only | Barnett (Marble Falls, Oil) | Young | 2 | 10K | 127K | Sep 1993 – Aug 2026 |
| Dow Gilbert O-13-33457 | FX Energy Operating, LLC only | KRS (Marble Falls) | Jack | 1 | 9.97K | 120K | Jan 2016 – Mar 2020 |
| Pilgrim a Unit O-8-30599 | Arrowhead Productions, LP only | Oran (Marble Falls) | Palo Pinto | 1 | 9.95K | 539K | Mar 2010 – Jul 2022 |
| Johnson Ranch G-8-278434 | Eagleridge Operating, LLC only | Burns-Dalton(marble Falls) | Palo Pinto | 1 | 9.95K | 201K | Oct 2015 – Aug 2026 |
| Halsell Ranch G-13-274535 | Eagleridge Operating, LLC only | KRS (Marble Falls) | Jack | 1 | 9.95K | 544K | Mar 2014 – Jun 2024 |
| Edwards Unit O-8-32448 | Eagleridge Operating, LLC only | Burns-Dalton(marble Falls) | Palo Pinto | 1 | 9.92K | 298K | Apr 2019 – Aug 2026 |
| Chimney Spring O-13-31816 | Brigadier Operating, LLC only | KRS (Marble Falls) | Jack | 1 | 9.83K | 239K | Jul 2010 – Dec 2014 |
| Betty O-8-27584 | Braka Operating, L.L.C. only | Fair (Marble Falls, Lower) | Eastland | 1 | 9.82K | 100K | May 1995 – Sep 2018 |
| Graham Falls '985' O-8-31067 | S.B. Street Operating, Inc. only | Throckmorton County Regular | Throckmorton | 3 | 9.81K | 150K | Jul 2012 – Aug 2026 |
| Halsell Ranch G-13-273680 | Eagleridge Operating, LLC only | KRS (Marble Falls) | Jack | 1 | 9.76K | 719K | May 2014 – Oct 2023 |
| Hart Ranch O-8-29511 | Proco Operating Co., Inc. only | Pickwick (Marble Falls) | Palo Pinto | 1 | 9.73K | 108K | Mar 2005 – Oct 2016 |
| Kunkel-Hausler Unit O-13-18182 | Just Oil & Gas, Inc. only | A & D (Marble Falls Congl. 4900) | Archer | 1 | 9.72K | 96 | by Jan 1993 – May 2018 |
| Court, Thomas O-8-22192 | Stephens & Johnson Operating Co. only | Strawn, NW. (Marble Falls) | Palo Pinto | 4 | 9.7K | 570K | by Jan 1993 – Jun 2024 |
| Woolsey O-13-33349 | Oakridge Oil and Gas, LP only | KRS (Marble Falls) | Jack | 2 | 9.69K | 114K | Dec 2014 – May 2017 |
| Killen O-13-32179 | Eagleridge Operating, LLC only | KRS (Marble Falls) | Jack | 1 | 9.68K | 628K | Apr 2012 – Aug 2021 |
| Worthington D O-13-33351 | Oakridge Oil and Gas, LP only | KRS (Marble Falls) | Jack | 1 | 9.62K | 171K | Jan 2015 – Dec 2020 |
| Davis Heirs O-8-24034 | Delta Oil & Gas Ltd. only | Moon (Marble Falls Lime) | Stephens | 1 | 9.6K | 138K | by Jan 1993 – Aug 2026 |
| Dunlap,j.g. G-8-92974 | Itx Corporation only | Veale (Marble Falls) | Stephens | 1 | 9.59K | 120K | by Jan 1993 – Dec 1998 |
| Brown-Corbett "1071" G-8-206864 | Petex only | Rickels (Marble Falls Congl.) | Stephens | 1 | 9.57K | 871K | Jul 2005 – Jun 2026 |
| Sides O-13-32660 | Oakridge Oil and Gas, LP only | KRS (Marble Falls) | Jack | 1 | 9.56K | 62.9K | Oct 2012 – Aug 2026 |
| Gunter O-13-32305 | Eagleridge Operating, LLC only | KRS (Marble Falls) | Jack | 1 | 9.53K | 105K | May 2012 – Dec 2015 |
| Stephen, Paul "A" O-8-24133 | Upham, Chester R., Jr. only | Strawn, NW. (Marble Falls) | Palo Pinto | 2 | 9.51K | 9.43K | by Jan 1993 – Sep 1995 |
| Peel-White O-8-21600 | Smith Pipe of Abilene only | Reb (Marble Falls) | Eastland | 3 | 9.42K | 20.9K | by Jan 1993 – Jun 2005 |
| McClung O-13-32326 | JDL Operating, LLC only | KRS (Marble Falls) | Jack | 1 | 9.42K | 334K | Oct 2012 – Jul 2021 |