| Sikes G-8-278679 | Eagleridge Operating, LLC only | Burns-Dalton(marble Falls) | Palo Pinto | 1 | 5.05K | 90.8K | Dec 2014 – Jun 2022 |
| Oliver Haag O-13-32286 | Oakridge Oil and Gas, LP only | KRS (Marble Falls) | Jack | 1 | 5.03K | 44.3K | Sep 2012 – Jan 2014 |
| Flo-Coop, Inc. G-13-118549 | Jay Management Company, LLC only | Crum (Marble Falls) | Jack | 1 | 4.98K | 231K | by Jan 1993 – Mar 2003 |
| Harding G-13-280357 | FX Energy Operating, LLC only | KRS (Marble Falls) | Jack | 1 | 4.98K | 367K | Mar 2016 – Mar 2022 |
| Stinson O-13-33318 | Robuck Petroleum, LLC only | Graham, SE. (Marble Falls Lime) | Young | 1 | 4.95K | 66.4K | Oct 2015 – Aug 2026 |
| Kinder Brown O-13-32301 | Eagleridge Operating, LLC only | KRS (Marble Falls) | Jack | 2 | 4.93K | 21.4K | May 2011 – Jul 2020 |
| Spearman O-13-16164 | Pop Operating Company only | Markley, SE. (Marble Falls) | Jack | 3 | 4.91K | 60.6K | by Jan 1993 – Aug 2026 |
| Brown A O-13-32453 | FX Energy Operating, LLC only | KRS (Marble Falls) | Jack | 1 | 4.91K | 140K | Mar 2013 – Jul 2018 |
| SRC-Allen "B" O-8-22798 | Bayou Operating Company, Inc. only | Williams (Marble Falls) | Brown | 1 | 4.89K | 7.82K | by Jan 1993 – May 2011 |
| Leach G-13-265320 | Oakridge Oil and Gas, LP only | Rider (Marble Falls) | Jack | 1 | 4.88K | 192K | Aug 2012 – Nov 2020 |
| Allen, C. E. G-8-136834 | Texxol Operating Company, Inc. only | Burns-Dalton(marble Falls) | Palo Pinto | 1 | 4.86K | 494K | by Jan 1993 – Aug 2026 |
| Peterson B Unit O-13-32803 | Bay Rock Operating Company only | Markley,s. (Marble Falls) | Young | 1 | 4.85K | 49.8K | Jul 2012 – Aug 2026 |
| Gober, G. T. O-8-19277 | Romac Oil Company, Inc. only | Gober (Marble Falls Congl.) | Throckmorton | 1 | 4.85K | 296K | by Jan 1993 – Sep 2003 |
| Kelsay O-13-32497 | Oakridge Oil and Gas, LP only | KRS (Marble Falls) | Jack | 1 | 4.85K | 222K | Mar 2013 – Aug 2026 |
| Senters 2 Unit G-13-179256 | Itx Corporation only | Gahagan (Marble Falls, I) | Young | 1 | 4.83K | 117K | Jul 2000 – Aug 2026 |
| Lazy C G-13-279300 | FX Energy Operating, LLC only | KRS (Marble Falls) | Jack | 1 | 4.83K | 354K | Dec 2015 – Jun 2023 |
| Robinson, Guy O-8-29082 | Tarpon Oil & Gas Co. only | Strawn, NW. (Marble Falls) | Palo Pinto | 1 | 4.82K | 1.79K | Oct 2001 – Sep 2015 |
| Kisinger Unit O-13-32383 | Stovall Operating Co. only | Alco (Marble Falls) | Young | 1 | 4.8K | 53.9K | Dec 2012 – Aug 2026 |
| TC Pugh #7 O-8-29888 | Tug Oil & Gas, L.L.C. only | Moon, SE. (Marble Falls 3940) | Stephens | 1 | 4.8K | 20.7K | Jan 2007 – Jul 2026 |
| Stacy O-8-21571 | Watson Oil & Gas, Inc. only | W.D.H. (Marble Falls) | Eastland | 1 | 4.79K | 12.3K | Feb 1993 – Jan 2024 |
| Aguirre O-8-27552 | Texxol Operating Company, Inc. only | Strawn, NW. (Marble Falls) | Palo Pinto | 2 | 4.77K | 38K | Apr 1995 – Jul 2004 |
| Horn, Truman Unit O-8-23974 | Braka Operating, L.L.C. only | Reb (Marble Falls) | Eastland | 1 | 4.76K | 18.9K | by Jan 1993 – Nov 2014 |
| Williams-Warren O-13-33311 | Petrobal Omega 1, LLC only | KRS (Marble Falls) | Jack | 1 | 4.76K | 65.1K | Aug 2013 – May 2016 |
| Lake O-13-33876 | Best Petroleum Explorations,inc. only | KRS (Marble Falls) | Jack | 1 | 4.7K | 63.3K | Feb 2019 – Aug 2026 |
| Eggers O-13-32327 | Borderline Operating Corp. only | KRS (Marble Falls) | Jack | 1 | 4.7K | 85.8K | Aug 2012 – Jul 2017 |
| Stuart, J. N. G-8-114219 | Braka Operating, L.L.C. only | Stuart (Marble Falls 3700) | Palo Pinto | 1 | 4.7K | 954K | Jul 1995 – Feb 2021 |
| Pugh JV6 O-8-29908 | Coreterra Operating, LLC only | Moon, SE. (Marble Falls 3940) | Stephens | 1 | 4.69K | 3.62K | Jan 2007 – Sep 2010 |
| Hasten G-13-280093 | FX Energy Operating, LLC only | KRS (Marble Falls) | Jack | 1 | 4.68K | 405K | Dec 2015 – Aug 2026 |
| Carroll G-8-138015 | Eastland Operating, L.L.C. only | Reb (Marble Falls) | Eastland | 1 | 4.68K | 75.4K | by Jan 1993 – Aug 2026 |
| Hearn "A" O-8-13335 | Interstate Explorations LLC only | Foster (Marble Falls) | Eastland | 1 | 4.65K | 20.9K | Mar 1993 – Jun 2016 |
| Sikes, W.E. O-8-15846 | Southwest Gas Systems, Inc. only | Thrifty (Marble Falls) | Brown | 1 | 4.61K | 239K | by Jan 1993 – Aug 2026 |
| Montgomery O-13-34211 | G & F Oil, Inc. only | Antelope,s.e. (Marble Falls) | Jack | 1 | 4.6K | 107K | Aug 2023 – Jul 2026 |
| Madera-Liles O-8-8078 | Breck Operating Corp. only | Eloise Kay (Marble Falls) | Stephens | 1 | 4.6K | 14.1K | by Jan 1993 – Aug 1996 |
| Craft Jones East G-13-275377 | Eagleridge Operating, LLC only | KRS (Marble Falls) | Jack | 1 | 4.59K | 118K | Apr 2014 – Jun 2021 |
| Nelda Unit O-13-32625 | Atlas Barnett, LLC only | KRS (Marble Falls) | Jack | 1 | 4.58K | 152K | Jul 2012 – Dec 2014 |
| Inman O-13-32277 | White Knight Production LLC only | KRS (Marble Falls) | Jack | 1 | 4.56K | 195K | Jul 2012 – Aug 2018 |
| Ferguson, Pauline O-13-16905 | 2MC Consulting LLC only | Phillips (Marble Falls) | Young | 2 | 4.55K | 9.51K | by Jan 1993 – Aug 2026 |
| McMurrey Ranch O-8-31567 | Eagleridge Operating, LLC only | Burns-Dalton(marble Falls) | Palo Pinto | 1 | 4.55K | 1.11M | Feb 2014 – Jul 2026 |
| Humphries O-13-32269 | FX Energy Operating, LLC only | KRS (Marble Falls) | Jack | 1 | 4.55K | 171K | Jul 2012 – Sep 2017 |
| Halsell Ranch G-13-282323 | Eagleridge Operating, LLC only | KRS (Marble Falls) | Palo Pinto | 1 | 4.52K | 185K | Apr 2018 – Jul 2023 |
| Veale,a.s. "C" G-8-127621 | Itx Corporation only | Veale (Marble Falls) | Stephens | 1 | 4.5K | 775K | by Jan 1993 – Aug 2026 |
| Clampitt O-13-33765 | Rife Energy Operating, Inc. only | Antelope,s.e. (Marble Falls) | Clay | 1 | 4.48K | 6.46K | Jun 2016 – Aug 2026 |
| Tucker Oil Unit 1 O-13-32857 | Proco Operating Co., Inc. only | KRS (Marble Falls) | Jack | 1 | 4.48K | 336K | Sep 2013 – May 2020 |
| Edwards-Worthington 3 O-13-34305 | Oakridge Oil and Gas, LP only | KRS (Marble Falls) | Jack | 1 | 4.47K | 114K | Aug 2022 – Aug 2026 |
| Sanders, A.G.-a- No. 1 Unit O-13-29111 | Itx Corporation only | Barnett (Marble Falls, Oil) | Young | 1 | 4.45K | 17.7K | Mar 1996 – Aug 1999 |
| Woolsey G-13-282594 | Oakridge Oil and Gas, LP only | KRS (Marble Falls) | Jack | 1 | 4.44K | 62.7K | May 2017 – Aug 2026 |
| Keith O-8-20948 | Eastland Operating, L.L.C. only | Mittie (Marble Falls) | Comanche | 1 | 4.44K | 145K | by Jan 1993 – Jul 2024 |
| Stewart Heirs "E" O-13-24188 | Bridwell Oil Co. only | Stewart (Marble Falls) | Jack | 4 | 4.43K | 154K | by Jan 1993 – Feb 2020 |
| Hardoncourt, Frances "B" O-8-26164 | Richey, Ray Management Co., Inc. only | Burns-Dalton(marble Falls) | Palo Pinto | 1 | 4.36K | 69.5K | by Jan 1993 – May 2000 |
| Roberts, Wade "47" G-8-237127 | Petex only | Woolfolk (Marble Falls) | Shackelford | 1 | 4.35K | 234K | Feb 2008 – Aug 2026 |