| Pierson,harold -D- G-8-96810 | Circle D Oil & Gas, Inc. only | Zourette, N (Marble Falls) | Comanche | 1 | 0 | 21.4K | by Jan 1993 – Apr 2026 |
| Golston,roy D. G-8-96836 | Santa Anna Operating 3, LLC only | Santa Anna (Marble Falls) | Coleman | 1 | 0 | 52.3K | by Jan 1993 – Dec 2022 |
| Tidwell G-8-96937 | B & H Gas, Inc. only | Marmac (Marble Falls) | Parker | 1 | 0 | 0 | — |
| McPhail Land & Cattle Co. G-8-96998 | McPhail Land & Cattle Co. only | Fair (Marble Falls, Lower) | Eastland | 1 | 0 | 0 | — |
| Lineberry, M.J. G-8-97024 | Creek Energy, Inc. only | Santa Anna (Marble Falls) | Coleman | 1 | 0 | 29.1K | by Jan 1993 – Jun 2008 |
| Haynes,e.s. G-8-97025 | Haynes Production Company, Inc. only | Santa Anna (Marble Falls) | Coleman | 1 | 0 | 25.2K | by Jan 1993 – Jun 2006 |
| Clay O. Miller -B- G-8-97372 | Brown Industrial Gas, Inc. only | Brownwood, South (Marble Falls) | Brown | 1 | 0 | 1.74K | by Jan 1993 – Jul 1994 |
| Miller Clay,o "A" G-8-97436 | Brown Industrial Gas OP, Inc. only | Brownwood, South (Marble Falls) | Brown | 1 | 0 | 23.8K | by Jan 1993 – Dec 2015 |
| Myers,lujana Cox G-8-97748 | Tex-Sun Oil Company only | R.J. Black (Marble Falls, Gas) | Hamilton | 1 | 0 | 0 | — |
| Davis G-8-97885 | C & G Oil and Gas only | Brown Co. Regular (Marble Falls) | Brown | 1 | 0 | 5 | by Jan 1993 – Jan 1993 |
| Bucy, Betty "D" G-8-97888 | Southwest Gas Systems, Inc. only | Brown Co. Regular (Marble Falls) | Brown | 1 | 0 | 69.5K | by Jan 1993 – Aug 2026 |
| Stanley, R. G-8-98118 | Arcadian Mineral Development,llc only | Brown Co. Regular (Marble Falls) | Brown | 1 | 0 | 418 | by Jan 1993 – Aug 1994 |
| Oliver Steel-Jenny Bell Fisher A G-8-98119 | Bruce Ogletree LLC only | Brown Co. Regular (Marble Falls) | Brown | 1 | 0 | 45.1K | by Jan 1993 – Aug 2022 |
| Booth Creek G-8-98120 | Bruce Ogletree LLC only | Brown Co. Regular (Marble Falls) | Brown | 1 | 0 | 38.2K | by Jan 1993 – Aug 2022 |
| Evans, J.B. Gas Unit G-8-98137 | Crossbow Resources, LLC only | X-Ray (Marble Falls) | Erath | 1 | 0 | 357K | by Jan 1993 – Aug 2026 |
| Fair,t.t. G-8-98453 | Graycort, Inc. only | Fair (Marble Falls, Lower) | Eastland | 1 | 0 | 0 | — |
| Seward, Neva G-8-98528 | Agroil, Inc. only | Brown Co. Regular (Marble Falls) | Brown | 1 | 0 | 17.2K | by Jan 1993 – Sep 1998 |
| Baugh, Sudie G-8-99053 | Young, L. M. only | Brownwood, South (Marble Falls) | Brown | 1 | 0 | 0 | — |
| Clark, Bobby G-8-99055 | Brown Industrial Gas OP, Inc. only | Brownwood, South (Marble Falls) | Brown | 1 | 0 | 37K | by Jan 1993 – Dec 2015 |
| Reid, M. J. G-8-99120 | Levisay Operating Co. only | M.j.reid (Marble Falls) | Brown | 1 | 0 | 86.2K | by Jan 1993 – Dec 2023 |
| Berkley G-8-99129 | Blackburn, Gil only | Marmac (Marble Falls) | Parker | 1 | 0 | 15.9K | by Jan 1993 – May 1996 |
| Jones, J. G. et Al G-9-115056 | R & D Operating, Inc. only | Jones Ranch (Marble Falls) | McCulloch | 1 | 0 | 15.6K | by Jan 1993 – Dec 2004 |
| Skyfall G-10-285639 | TRP Operating LLC only | Aylesworth (Cherry Canyon) | Reeves | 1 | 0 | 0 | — |
| Conner "A" G-13-151895 | Bridwell Oil Co. only | Stewart (Marble Falls) | Jack | 1 | 0 | 8.15K | Dec 1994 – Mar 2000 |
| Abston G-13-153662 | Blackbrush O & G, LLC only | Thalia (Wichita Falls) | Foard | 1 | 0 | 80.3K | Apr 1995 – Aug 2026 |
| Mathews, J. F. G-13-157960 | Blackbrush O & G, LLC only | Thalia (Wichita Falls) | Foard | 1 | 0 | 107K | May 1996 – Aug 2026 |
| Johnson-Hammonds G-13-160098 | Blackbrush O & G, LLC only | Thalia (Wichita Falls) | Foard | 1 | 0 | 304K | Sep 1996 – Jan 2024 |
| Ribble, W. A. G-13-161280 | Wells Oilfield Services, Inc. only | Long Bend (Marble Falls) | Young | 1 | 0 | 167K | Dec 1996 – Aug 2007 |
| Ribble, W. A. G-13-166069 | Wells Oilfield Services, Inc. only | Long Bend (Marble Falls) | Young | 1 | 0 | 325K | Feb 1998 – Aug 2026 |
| Treadwell, Velma "A" G-13-169868 | Yarberry Operating, LLC only | Dillard, S. (Marble Falls) | Clay | 1 | 0 | 38.1K | Jun 1995 – Apr 2015 |
| Hazel G-13-170301 | Blackbrush O & G, LLC only | Thalia (Wichita Falls) | Foard | 1 | 0 | 81.2K | Dec 1998 – Aug 2026 |
| Durrett G-13-171919 | Blackbrush O & G, LLC only | Thalia (Wichita Falls) | Foard | 1 | 0 | 242K | Nov 1998 – Aug 2026 |
| Davis "D" G-13-172737 | Pop Operating Company only | Markley, SE. (Marble Falls) | Jack | 1 | 0 | 2.52K | Apr 1999 – Aug 2026 |
| Stewart G-13-172739 | Walsh & Watts, Inc. only | Markley, SE. (Marble Falls) | Young | 1 | 0 | 3.15K | Apr 1999 – Jan 2002 |
| Davis "D" G-13-172754 | Walsh & Watts, Inc. only | Markley, SE. (Marble Falls) | Jack | 1 | 0 | 0 | — |
| Kuehn, Ward G-13-172755 | Blackbrush O & G, LLC only | Thalia (Wichita Falls) | Foard | 1 | 0 | 424K | Jan 1999 – Aug 2026 |
| Gamble G-13-172757 | Blackbrush O & G, LLC only | Thalia (Wichita Falls) | Foard | 1 | 0 | 233K | Jan 1999 – Aug 2026 |
| Johnson-Kuehn Trust Unit G-13-172759 | Blackbrush O & G, LLC only | Thalia (Wichita Falls) | Foard | 1 | 0 | 208K | Jan 1999 – Aug 2026 |
| Durrett G-13-172763 | Blackbrush O & G, LLC only | Thalia (Wichita Falls) | Foard | 1 | 0 | 125K | Jan 1999 – Aug 2026 |
| Johnson-Kuehn Trust G-13-173608 | Blackbrush O & G, LLC only | Thalia (Wichita Falls) | Foard | 1 | 0 | 144K | Apr 1999 – Aug 2026 |
| Kuehn, Ward G-13-173611 | Blackbrush O & G, LLC only | Thalia (Wichita Falls) | Foard | 1 | 0 | 311K | Apr 1999 – Aug 2026 |
| Cooper G-13-174188 | Blackbrush O & G, LLC only | Thalia (Wichita Falls) | Foard | 1 | 0 | 210K | Jun 1999 – Aug 2026 |
| Hazel G-13-174686 | Blackbrush O & G, LLC only | Thalia (Wichita Falls) | Foard | 1 | 0 | 98.5K | Sep 1999 – Aug 2026 |
| Kuehn, Ward G-13-174687 | Blackbrush O & G, LLC only | Thalia (Wichita Falls) | Foard | 1 | 0 | 121K | Sep 1999 – Aug 2026 |
| Kuehn G-13-175461 | Blackbrush O & G, LLC only | Thalia (Wichita Falls) | Foard | 1 | 0 | 154K | Nov 1999 – Aug 2026 |
| Ranch "A" G-13-176083 | Ray Herring Operating Co., LLC only | Clark (Marble Falls) | Young | 1 | 0 | 540K | Jan 2000 – Nov 2018 |
| Kuehn-Thompson G-13-177466 | Blackbrush O & G, LLC only | Thalia (Wichita Falls) | Foard | 1 | 0 | 329K | Apr 2000 – Aug 2026 |
| Swan G-13-177467 | Blackbrush O & G, LLC only | Thalia (Wichita Falls) | Foard | 1 | 0 | 82.3K | May 2000 – Aug 2026 |
| Matthews Estate G-13-177468 | Blackbrush O & G, LLC only | Thalia (Wichita Falls) | Foard | 1 | 0 | 141K | Jun 2000 – Aug 2026 |
| Bursey G-13-177469 | Blackbrush O & G, LLC only | Thalia (Wichita Falls) | Foard | 1 | 0 | 141K | Jun 2000 – Aug 2026 |