| Lanier, S. S. O-8-27113 | Stephens & Johnson Operating Co. only | Rector (Marble Falls) | Palo Pinto | 1 | 0 | 0 | — |
| Holt, W. I. "AB" G-13-287583 | Cobra Oil & Gas Corporation only | Joy, N.W. (Marble Falls) | Clay | 1 | 0 | 2.11K | May 2019 – Aug 2026 |
| Clerihew G-13-287365 | Blakenergy Operating, LLC only | KRS (Marble Falls) | Clay | 1 | 0 | 0 | — |
| McKittrick-McConnell G-13-282826 | Cholla Petroleum, Inc. only | Weiler (Marble Falls) | Jack | 1 | 0 | 0 | — |
| Ross O-8-27192 | Tracer Operating, Inc. only | Strawn, NW. (Marble Falls) | Palo Pinto | 2 | 0 | 0 | — |
| Ball G-8-161184 | Tandem Energy Corporation only | Strawn, East (Marble Falls) | Palo Pinto | 1 | 0 | 204K | Nov 1996 – Jul 2015 |
| McKittrick-McConnell G-13-282752 | Cholla Petroleum, Inc. only | Weiler (Marble Falls) | Jack | 1 | 0 | 0 | — |
| Long Ranch G-8-161180 | Stephens & Johnson Operating Co. only | Strawn, NW. (Marble Falls) | Palo Pinto | 1 | 0 | 23.8K | Dec 1996 – Mar 1997 |
| Hinkson G-8-161177 | Dodson Prairie Oil & Gas LLC only | Strawn, NW. (Marble Falls) | Palo Pinto | 1 | 0 | 114K | Jan 1997 – Mar 2023 |
| Stephens, M. H. G-8-161077 | Santa Anna Partners, LP only | Brown Co. Regular (Marble Falls) | Brown | 1 | 0 | 0 | — |
| Wesson G-8-160934 | Cedar Ridge Energy, Inc. only | Brown Co. Regular (Marble Falls) | Brown | 1 | 0 | 87.2K | Jan 1997 – Feb 2024 |
| McKittrick-McConnell G-13-282751 | Cholla Petroleum, Inc. only | Weiler (Marble Falls) | Jack | 1 | 0 | 0 | — |
| Lowrance-East G-8-160758 | Lowrance Inc. only | Reb (Marble Falls) | Eastland | 1 | 0 | 12.6K | Nov 1996 – Jul 2011 |
| Stuart Estate "50" G-8-160633 | International Western Oil Corp only | Strawn, NW. (Marble Falls) | Palo Pinto | 1 | 0 | 221K | Nov 1996 – Sep 2015 |
| Flo-Coop, Inc. G-13-282735 | Jay Management Company, LLC only | Crum (Marble Falls) | Jack | 1 | 0 | 3.33K | Apr 2017 – May 2019 |
| Carney G-13-282702 | White Knight Production LLC only | KRS (Marble Falls) | Jack | 1 | 0 | 652 | Nov 2017 – Feb 2019 |
| Thomas, B. G. G-8-157939 | Watson Oil & Gas, Inc. only | Duster, NE. (Marble Falls 2750) | Comanche | 1 | 0 | 561 | Mar 1996 – Dec 2002 |
| Van Zant G-8-196510 | Ultra Oil & Gas, Inc. only | Peaster, SE (Marble Falls) | Parker | 1 | 0 | 106 | May 2003 – Jun 2003 |
| South Kennedy G-8-196750 | Echols Oil Company, L.L.C. only | Echols (Marble Falls) | Stephens | 1 | 0 | 223K | Aug 2003 – Aug 2026 |
| Fee "85" O-8-28201 | Stephens & Johnson Operating Co. only | Strawn, NW. (Marble Falls) | Palo Pinto | 1 | 0 | 0 | — |
| Briscoe G-13-282044 | Caribou Operating, Inc. only | Antelope,s.e. (Marble Falls) | Jack | 1 | 0 | 0 | — |
| Lowrance G-8-157795 | Richey, Ray Management Co., Inc. only | Reb (Marble Falls) | Eastland | 1 | 0 | 0 | — |
| Been G-8-157601 | Caddo Operating Inc. only | Brown Co. Regular (Marble Falls) | Brown | 1 | 0 | 0 | — |
| Clayton G-8-157271 | Coastal Plains Energy, Inc. only | Peaster, SE (Marble Falls) | Parker | 1 | 0 | 28.1K | Jan 1996 – Oct 1997 |
| Derrick G-13-281462 | Eagleridge Operating, LLC only | KRS (Marble Falls) | Jack | 1 | 0 | 822 | Jul 2016 – Aug 2023 |
| City of Eastland-Cain Unit G-8-200419 | Bacon Energy only | Reb (Marble Falls) | Eastland | 1 | 0 | 6.26K | Apr 2003 – Sep 2016 |
| Connaway, Delbert & John G-8-204275 | Bustamante Oil Company only | Brown Co. Regular (Marble Falls) | Brown | 1 | 0 | 1.41K | May 2004 – Sep 2006 |
| Baird-Greenhaw Unit G-8-204710 | Blackbird R 22 OG L.L.C. only | Momma Bear (Marble Falls) | Eastland | 1 | 0 | 125K | Nov 2004 – Sep 2025 |
| Link '24' G-8-206822 | Texxol Operating Company, Inc. only | Walker-Davis (Marble Falls) | Stephens | 1 | 0 | 472K | Dec 2004 – Aug 2026 |
| Thomason/Marion G-8-206847 | Ipact only | Brown Co. Regular (Marble Falls) | Brown | 1 | 0 | 0 | — |
| Graham National Bank G-13-276522 | Mash Oilfield Services, LP only | KRS (Marble Falls) | Young | 1 | 0 | 219K | Jul 2014 – May 2020 |
| Robinson Ranch G-8-208081 | Tarpon Oil & Gas Co. only | Strawn, NW. (Marble Falls) | Palo Pinto | 1 | 0 | 13.1K | Jul 2005 – Nov 2009 |
| Gilbert G-8-208476 | Hess, Jerry Operating Co. only | Brazos, East (Marble Falls) | Parker | 1 | 0 | 14.3K | Dec 2004 – Oct 2005 |
| Davis, Arlie E. G-8-208502 | Subsurface Production, Inc. only | Brownwood, South (Marble Falls) | Brown | 1 | 0 | 16.3K | Apr 2005 – Dec 2022 |
| Stephens, M. H. G-8-156684 | Santa Anna Partners, LP only | Brown Co. Regular (Marble Falls) | Brown | 1 | 0 | 5 | Oct 1996 – Nov 1996 |
| Lockhart, P. A. Jr. Heirs G-8-209199 | Antle Operating, Inc. only | Burns-Dalton(marble Falls) | Palo Pinto | 1 | 0 | 115K | May 2005 – Jul 2026 |
| Barron G-8-209999 | Jilpetco, Inc. only | C.B. Long, (Marble Falls) | Palo Pinto | 1 | 0 | 31.5K | Apr 2005 – May 2007 |
| Court, Thomas G-8-210001 | Stephens & Johnson Operating Co. only | Strawn (Marble Falls Strawn) | Palo Pinto | 1 | 0 | 72.4K | Jul 2005 – Aug 2026 |
| Pearson "B" G-8-156677 | Pearson, Lee Roy III only | Reb (Marble Falls) | Eastland | 1 | 0 | 13.6K | Oct 1995 – Jul 2000 |
| Pearson "B" G-8-156632 | Pearson, Lee Roy III only | Reb (Marble Falls) | Eastland | 1 | 0 | 13.3K | Oct 1995 – Aug 2000 |
| Cooper G-13-245949 | Blackbrush O & G, LLC only | Thalia (Wichita Falls) | Foard | 1 | 0 | 16.6K | Nov 2008 – Aug 2026 |
| Abston "A" G-13-230006 | Blackbrush O & G, LLC only | Thalia (Wichita Falls) | Foard | 1 | 0 | 29.3K | Jun 2007 – Aug 2026 |
| Baccus G-13-230005 | Blackbrush O & G, LLC only | Thalia (Wichita Falls) | Foard | 1 | 0 | 16.2K | Jun 2007 – Aug 2026 |
| Bachman-Woolf-Kuehn Unit G-13-230004 | Blackbrush O & G, LLC only | Thalia (Wichita Falls) | Foard | 1 | 0 | 46.1K | Jun 2007 – Aug 2026 |
| Durrett G-13-230003 | Blackbrush O & G, LLC only | Thalia (Wichita Falls) | Foard | 1 | 0 | 6.19K | Jul 2007 – Aug 2026 |
| Johnson-Kuehn Trust Unit G-13-230002 | Blackbrush O & G, LLC only | Thalia (Wichita Falls) | Foard | 1 | 0 | 29.6K | May 2007 – Aug 2026 |
| Crawford, A.D. "53" G-8-156298 | Cholla Petroleum, Inc. only | Strawn, NW. (Marble Falls) | Palo Pinto | 1 | 0 | 308K | Oct 1995 – May 2004 |
| Wesson G-8-156221 | Cedar Ridge Energy, Inc. only | Brown Co. Regular (Marble Falls) | Brown | 1 | 0 | 151K | Oct 1995 – Feb 2024 |
| Durrett G-13-230001 | Blackbrush O & G, LLC only | Thalia (Wichita Falls) | Foard | 1 | 0 | 24.4K | Jun 2007 – Aug 2026 |
| Brant O-8-30823 | Tracer Operating, Inc. only | Strawn, NW. (Marble Falls) | Palo Pinto | 1 | 0 | 0 | — |