| Briscoe O-13-32917 | Rife Energy Operating, Inc. only | KRS (Marble Falls) | Jack | 1 | 15.5K | 170K | Jan 2013 – Jul 2023 |
| Hamman C O-13-32687 | Oakridge Oil and Gas, LP only | Neale (Marble Falls) | Jack | 3 | 15.4K | 562K | May 2013 – Aug 2026 |
| Hamman D O-13-32638 | Oakridge Oil and Gas, LP only | Neale (Marble Falls) | Jack | 5 | 15.4K | 1.32M | Apr 2013 – Mar 2019 |
| Richardson -A- O-13-18840 | 3D Petroleum Corp. only | A & D (Marble Falls Congl. 4900) | Archer | 1 | 15.4K | 21 | by Jan 1993 – May 2016 |
| Stewart - Martin Unit O-13-32165 | Eagleridge Operating, LLC only | KRS (Marble Falls) | Jack | 1 | 15.4K | 297K | Feb 2012 – Jan 2024 |
| Keating Halsell G-13-277040 | Eagleridge Operating, LLC only | KRS (Marble Falls) | Palo Pinto | 1 | 15.4K | 658K | Dec 2013 – Jul 2026 |
| Jolliff O-13-32212 | FX Energy Operating, LLC only | KRS (Marble Falls) | Jack | 2 | 15.3K | 548K | Apr 2012 – Mar 2018 |
| Walter Ranch G-13-279083 | FX Energy Operating, LLC only | KRS (Marble Falls) | Palo Pinto | 1 | 15.3K | 485K | Dec 2015 – Aug 2026 |
| Kinder -A- O-13-3464 | Rio Bravo Production, LLC only | Alco (Marble Falls) | Jack | 2 | 15.3K | 125K | by Jan 1993 – Aug 2026 |
| Albert Hilbers O-13-33753 | Rife Energy Operating, Inc. only | KRS (Marble Falls) | Clay | 1 | 15.2K | 83K | Oct 2015 – Aug 2026 |
| Rumph, D.M. O-13-28641 | Miles Production Co. only | Lost Valley (Marble Falls) | Jack | 1 | 15.2K | 1.57K | Aug 1993 – Sep 1999 |
| Hughes O-13-32164 | FX Energy Operating, LLC only | KRS (Marble Falls) | Jack | 1 | 15.1K | 509K | Mar 2012 – Feb 2026 |
| Stuart, J. N. O-8-11296 | Tessara Petroleum Resources, LLC only | Stuart (Marble Falls 3500) | Palo Pinto | 3 | 15.1K | 85.8K | by Jan 1993 – Jul 2014 |
| Moss-Martin O-13-33003 | FX Energy Operating, LLC only | KRS (Marble Falls) | Jack | 1 | 15K | 168K | Jul 2014 – Sep 2017 |
| Pugh O-8-29678 | Tug Oil & Gas, L.L.C. only | Moon, SE. (Marble Falls 3940) | Stephens | 7 | 14.9K | 488K | Feb 2006 – Jul 2026 |
| Weedon, Joe "A" O-8-24185 | Southwest Gas Systems, Inc. only | Weedon (Marble Falls) | Brown | 5 | 14.9K | 179K | by Jan 1993 – Aug 2026 |
| Sanders, A.G. -B- No. 1 Unit O-13-29184 | Itx Corporation only | Barnett (Marble Falls, Oil) | Young | 1 | 14.8K | 51.8K | Mar 1996 – Aug 2026 |
| Ferrel-Richards O-13-32395 | Newark E&P Operating, LLC only | KRS (Marble Falls) | Jack | 1 | 14.8K | 199K | Oct 2012 – Mar 2014 |
| Playboy O-8-27447 | Borderline Operating Corp. only | Crystal Falls (Miss.) | Throckmorton | 1 | 14.8K | 922 | Jan 1995 – Mar 2009 |
| Falls O-11-5768 | Crossroads Operating, LLC only | Sharon Ridge (1700) | Scurry | 3 | 14.6K | 21 | by Jan 1993 – Mar 2007 |
| McClure O-8-31231 | Bulwark Oil & Gas, LLC only | Burns-Dalton(marble Falls) | Palo Pinto | 2 | 14.6K | 427K | Mar 2013 – Aug 2026 |
| Kinder Halman O-13-33498 | Eagleridge Operating, LLC only | KRS (Marble Falls) | Jack | 1 | 14.6K | 175K | Jan 2015 – Apr 2024 |
| Derrick O-13-32410 | Petrobal Omega 1, LLC only | KRS (Marble Falls) | Jack | 1 | 14.5K | 487K | Oct 2012 – Sep 2019 |
| Moon Ranch "I" O-8-28725 | Delta Oil & Gas Ltd. only | Moon, SE. (Marble Falls 3940) | Stephens | 3 | 14.4K | 511K | Jan 2000 – Aug 2026 |
| Gahagan, C.P. "B" O-13-28703 | Itx Corporation only | Barnett (Marble Falls, Oil) | Young | 1 | 14.3K | 205K | Dec 1993 – Aug 2023 |
| McKee Corbett O-8-31527 | Delta Oil & Gas Ltd. only | Corbett (Marble Falls) | Stephens | 1 | 14.3K | 20.2K | Jul 2013 – Aug 2026 |
| June Easter O-13-33424 | Eagleridge Operating, LLC only | KRS (Marble Falls) | Jack | 1 | 14.3K | 197K | Jan 2015 – Aug 2026 |
| Oran 450 O-8-31534 | Lexgas, Inc. only | Burns-Dalton(marble Falls) | Palo Pinto | 1 | 14.3K | 377K | Apr 2014 – Jan 2025 |
| Parr O-13-33745 | BKV Barnett, LLC only | Hundley (Marble Falls) | Montague | 1 | 14.3K | 76.7K | May 2016 – Aug 2025 |
| Walter Ranch G-13-279379 | FX Energy Operating, LLC only | KRS (Marble Falls) | Palo Pinto | 1 | 14.1K | 366K | Nov 2015 – Aug 2026 |
| Falls, W. T. O-11-61558 | Trek Resources, Inc. only | Sharon Ridge (1700) | Scurry | 2 | 14.1K | 41 | by Jan 1993 – Aug 2026 |
| Barnett A O-8-31262 | Bulwark Oil & Gas, LLC only | Oran (Marble Falls) | Palo Pinto | 1 | 14.1K | 330K | Jul 2013 – Aug 2026 |
| Richardson, J. T. A O-13-18038 | Guidance Oil Developers only | A & D (Marble Falls Congl. 4900) | Archer | 2 | 14K | 49 | by Jan 1993 – Aug 2026 |
| Garrett O-13-16200 | Pop Operating Company only | Markley, SE. (Marble Falls) | Young | 4 | 14K | 116K | by Jan 1993 – Aug 2026 |
| Buffalo Bayou O-8-32281 | North Texas Oil & Gas, LLC only | Lester Clark (Marble Falls Cong) | Stephens | 1 | 13.9K | 0 | Jul 2018 – Aug 2022 |
| Walker O-13-32067 | Petrobal Omega 1, LLC only | KRS (Marble Falls) | Jack | 1 | 13.9K | 283K | Dec 2011 – Mar 2015 |
| Gauldin, R.H. O-8-26055 | Texxol Operating Company, Inc. only | Burns-Dalton(marble Falls) | Palo Pinto | 2 | 13.8K | 353K | by Jan 1993 – Jun 2023 |
| Wilbar, Hazel O-8-23487 | Saguaro Petroleum, LLC only | C.B. Long, (Marble Falls) | Palo Pinto | 2 | 13.6K | 183K | by Jan 1993 – May 2018 |
| Senters 4 Unit G-13-176090 | Itx Corporation only | Gahagan (Marble Falls, I) | Young | 1 | 13.5K | 382K | Nov 1999 – Aug 2026 |
| Brown A O-13-32173 | Oakridge Oil and Gas, LP only | KRS (Marble Falls) | Jack | 2 | 13.4K | 142K | Feb 2012 – Mar 2020 |
| Russell "A" O-8-26722 | 3-R Production, Inc. only | Oran (Marble Falls) | Palo Pinto | 1 | 13.3K | 56.5K | Apr 1993 – Feb 2002 |
| Marcia Swan O-13-32606 | Oakridge Oil and Gas, LP only | KRS (Marble Falls) | Jack | 1 | 13.3K | 147K | Nov 2012 – Aug 2026 |
| Lester Carter "B" O-13-16661 | Paratus Petroleum LLC only | Lost Valley (Marble Falls) | Jack | 1 | 13.3K | 84.7K | by Jan 1993 – Aug 2026 |
| Falls O-11-67034 | Onaroll Operating LLC only | Sharon Ridge (Clear Fork) | Scurry | 1 | 13.3K | 17 | Apr 1993 – Jul 2026 |
| Maxwell East O-13-32080 | Oakridge Oil and Gas, LP only | KRS (Marble Falls) | Jack | 1 | 13.2K | 157K | Jul 2011 – Nov 2015 |
| Griffith-Williams N G-13-279768 | FX Energy Operating, LLC only | KRS (Marble Falls) | Jack | 1 | 13.1K | 140K | Nov 2015 – Nov 2023 |
| Conway O-13-33673 | Rife Energy Operating, Inc. only | KRS (Marble Falls) | Jack | 1 | 13.1K | 145K | Mar 2016 – Aug 2026 |
| F.B. Hill G-13-279375 | FX Energy Operating, LLC only | KRS (Marble Falls) | Parker | 1 | 13K | 549K | Nov 2015 – Aug 2026 |
| Houston A O-13-32813 | International Western Oil Corp only | KRS (Marble Falls) | Jack | 1 | 13K | 82.1K | Dec 2013 – Aug 2026 |
| Willis O-8-31564 | Eagleridge Operating, LLC only | Burns-Dalton(marble Falls) | Palo Pinto | 1 | 13K | 977K | Aug 2013 – Jun 2026 |