| Jan-San "21" O-8-19031 | Byrne Oil Company only | Reb (Marble Falls) | Eastland | 4 | 4.35K | 124K | by Jan 1993 – May 2006 |
| Waggoner -II- O-13-11009 | Falls Production Company only | Wilbarger County Regular | Wilbarger | 8 | 4.34K | 95 | by Jan 1993 – Dec 2001 |
| Gladden Heirs O-13-33608 | Legacy Exploration, LLC I only | KRS (Marble Falls) | Jack | 1 | 4.33K | 41.1K | Jan 2016 – Feb 2019 |
| L.A. Worthington G-13-283988 | Oakridge Oil and Gas, LP only | KRS (Marble Falls) | Jack | 1 | 4.31K | 238K | May 2018 – Aug 2026 |
| Knupp O-13-33451 | G & F Oil, Inc. only | Antelope,s.e. (Marble Falls) | Jack | 1 | 4.31K | 75K | Oct 2015 – Aug 2024 |
| Wimberly B O-13-33329 | Oakridge Oil and Gas, LP only | Neale (Marble Falls) | Jack | 3 | 4.3K | 327K | Nov 2014 – Jul 2018 |
| Morris O-13-14893 | Tree Operating, LLC only | Weiler (Marble Falls) | Jack | 3 | 4.28K | 343K | by Jan 1993 – Aug 2026 |
| Sewell O-13-33443 | G & F Oil, Inc. only | KRS (Marble Falls) | Jack | 2 | 4.26K | 212K | Jan 2016 – May 2026 |
| Moczygemba, V. T. O-2-5342 | Legend Natural Gas II, LP only | Falls City (Lbar) | Karnes | 2 | 4.25K | 409 | by Jan 1993 – Aug 1997 |
| Joe Falls O-11-71207 | Walker Oil and Gas Ltd only | Sharon Ridge (Clear Fork) | Scurry | 6 | 4.24K | 0 | Apr 2022 – Jul 2026 |
| Clayton Heirs O-13-33056 | Proco Operating Co., Inc. only | KRS (Marble Falls) | Palo Pinto | 1 | 4.24K | 224K | Sep 2014 – Oct 2020 |
| Francis Vaughn G-13-275606 | Eagleridge Operating, LLC only | KRS (Marble Falls) | Jack | 1 | 4.23K | 264K | Sep 2012 – Mar 2021 |
| Hill, Mabel O-8-23616 | Harvick, George R. only | Rickels, N. (Marble Falls 3980) | Stephens | 1 | 4.22K | 43.6K | by Jan 1993 – Apr 2016 |
| Lynn, Becky O-13-30548 | Willowbend Investments, Inc. only | Tally (Marble Falls) | Clay | 1 | 4.21K | 37.5K | Dec 2004 – Apr 2016 |
| Davis Unit O-8-19134 | Breck Operating Corp. only | Mittie (Marble Falls) | Comanche | 2 | 4.2K | 154K | by Jan 1993 – Oct 2005 |
| Hagaman (South) O-8-27346 | Eastland Operating, L.L.C. only | Ranger,nw (Marble Falls) | Eastland | 2 | 4.2K | 109K | Nov 1994 – Aug 2024 |
| Paltex O-13-32397 | Upham Oil & Gas Company only | KRS (Marble Falls) | Palo Pinto | 2 | 4.2K | 57.2K | Nov 2012 – Oct 2023 |
| Hidden Springs G-13-279219 | FX Energy Operating, LLC only | KRS (Marble Falls) | Jack | 1 | 4.19K | 31.7K | Aug 2015 – Oct 2018 |
| McFall-Kerbey O-2-8826 | AC Exploration, LLC only | Rudman, West (Jackson Sand) | Bee | 1 | 4.18K | 270 | Aug 2003 – Oct 2004 |
| Amburn G-13-274145 | Eagleridge Operating, LLC only | KRS (Marble Falls) | Jack | 1 | 4.17K | 262K | Aug 2014 – Apr 2021 |
| Birdwell, Bill O-13-23704 | Britton Operating, Inc. only | Ozie, West (Marble Falls) | Jack | 1 | 4.16K | 21.1K | by Jan 1993 – Nov 2000 |
| McMurrey Ranch G-8-267508 | Eagleridge Operating, LLC only | Burns-Dalton(marble Falls) | Palo Pinto | 1 | 4.14K | 649K | Dec 2012 – Feb 2021 |
| Otis G-13-277039 | Eagleridge Operating, LLC only | KRS (Marble Falls) | Palo Pinto | 1 | 4.14K | 126K | Jan 2014 – Mar 2026 |
| Dorotha Owen O-13-32959 | Petrobal Omega 1, LLC only | KRS (Marble Falls) | Jack | 1 | 4.14K | 198K | Jan 2014 – May 2018 |
| Ash G-8-275943 | Eagleridge Operating, LLC only | Burns-Dalton(marble Falls) | Palo Pinto | 1 | 4.12K | 128K | Oct 2014 – Aug 2021 |
| Kevin Owen "I" O-13-32029 | Eagleridge Operating, LLC only | KRS (Marble Falls) | Jack | 1 | 4.12K | 165K | Jul 2011 – Apr 2021 |
| Deweber-Campsey Unit O-13-32867 | Oakridge Oil and Gas, LP only | KRS (Marble Falls) | Jack | 1 | 4.11K | 9.15K | Jan 2014 – Nov 2015 |
| Maurine L. O'Laughlin O-8-31456 | Kornye-Tillman Company only | Burns-Dalton(marble Falls) | Palo Pinto | 1 | 4.1K | 65.7K | Jan 2014 – Nov 2022 |
| Robertson, Wilmoth -B- O-13-25520 | Perry Operating Inc. only | Graham, North (Marble Falls) | Young | 1 | 4.07K | 7.08K | by Jan 1993 – Aug 2026 |
| McCoy O-8-28542 | Braka Operating, L.L.C. only | Reb (Marble Falls) | Eastland | 1 | 4.06K | 17.2K | Oct 1998 – Jan 2020 |
| Beck,r.e. O-8-30682 | Lowrance Inc. only | Reb (Marble Falls) | Eastland | 1 | 4.05K | 18.8K | Sep 2010 – Aug 2026 |
| Parker G-8-100725 | Place Oil and Gas Co. only | Mittie (Marble Falls) | Comanche | 1 | 3.99K | 339K | by Jan 1993 – Aug 2026 |
| Speed, S. T. Mrs. O-8-28931 | Delta Oil & Gas Ltd. only | Moon, SE. (Marble Falls 3940) | Stephens | 1 | 3.98K | 59K | Feb 2001 – Aug 2026 |
| Brown D G-13-279079 | Oakridge Oil and Gas, LP only | KRS (Marble Falls) | Jack | 1 | 3.98K | 564K | Dec 2015 – Aug 2026 |
| Spiller-Blanton O-13-22207 | Devon Energy Production Co, L.P. only | Crafton, West (Marble Falls) | Jack | 1 | 3.97K | 175K | by Jan 1993 – Apr 2014 |
| Singleton Unit O-8-31054 | Eagleridge Operating, LLC only | Burns-Dalton(marble Falls) | Palo Pinto | 1 | 3.97K | 123K | Jun 2012 – Aug 2021 |
| Francis Vaughn G-13-272486 | Eagleridge Operating, LLC only | KRS (Marble Falls) | Jack | 1 | 3.96K | 136K | Sep 2012 – May 2023 |
| Sanders, A.G. -a- 3 Unit O-13-29949 | Itx Corporation only | Barnett (Marble Falls, Oil) | Young | 1 | 3.92K | 17.1K | Sep 2001 – Aug 2026 |
| TC Owen G-13-273702 | Eagleridge Operating, LLC only | KRS (Marble Falls) | Jack | 1 | 3.91K | 173K | Jun 2014 – Sep 2023 |
| 1ST State Bank O-13-32367 | Schlittler, Willard only | KRS (Marble Falls) | Jack | 1 | 3.88K | 41.6K | Jun 2012 – Aug 2026 |
| Robertson O-13-32688 | Oakridge Oil and Gas, LP only | KRS (Marble Falls) | Jack | 1 | 3.87K | 46.4K | Sep 2012 – Oct 2016 |
| Pugh O-8-25724 | 4W Operating, LLC only | Moon (Marble Falls Lime) | Stephens | 1 | 3.86K | 83.5K | Aug 1993 – Aug 2026 |
| Justus O-13-32759 | Xplore Operating, LLC only | KRS (Marble Falls) | Jack | 1 | 3.85K | 219K | Apr 2012 – Apr 2018 |
| Jeter, Nikki O-13-32942 | Eagleridge Operating, LLC only | KRS (Marble Falls) | Jack | 1 | 3.83K | 82.2K | May 2014 – May 2019 |
| Isaacks, Amalene O-8-16731 | D.N.I. only | J. S. Lewis (Marble Falls) | Brown | 2 | 3.82K | 20 | by Jan 1993 – Nov 2011 |
| Ash O-8-31571 | Brigadier Operating, LLC only | Burns-Dalton(marble Falls) | Palo Pinto | 1 | 3.8K | 43.4K | Nov 2013 – Aug 2014 |
| Mahon O-13-32913 | International Western Oil Corp only | KRS (Marble Falls) | Jack | 1 | 3.79K | 87.9K | Jul 2014 – Dec 2023 |
| Voyles M O-13-34210 | G & F Oil, Inc. only | Antelope,s.e. (Marble Falls) | Jack | 1 | 3.79K | 86.1K | Jul 2023 – Jul 2026 |
| Stewart G-13-172740 | Walsh & Watts, Inc. only | Markley, SE. (Marble Falls) | Young | 1 | 3.78K | 30.1K | Apr 1999 – May 2011 |
| McConnell Unit O-13-32474 | Oakridge Oil and Gas, LP only | KRS (Marble Falls) | Jack | 1 | 3.78K | 14.1K | Jul 2012 – Nov 2020 |