| Myers,lujana Cox G-8-97748 | Tex-Sun Oil Company only | R.J. Black (Marble Falls, Gas) | Hamilton | 1 | 0 | 0 | — |
| Burns L. Tongate G-8-99154 | Eddie's Royalties, Inc. only | Brown Co. Regular (Marble Falls) | Brown | 1 | 0 | 0 | — |
| White, L. L. G-8-99155 | White, L. L. only | Brown Co. Regular (Marble Falls) | Brown | 1 | 0 | 0 | — |
| Seward, Neva G-8-99423 | Agroil, Inc. only | Brown Co. Regular (Marble Falls) | Brown | 1 | 0 | 20.5K | by Jan 1993 – Jul 2000 |
| McGinnis G-8-99429 | J Oil & Gas Inc. only | Mittie (Marble Falls) | Comanche | 1 | 0 | 26K | by Jan 1993 – May 2004 |
| Houston Ranch 8-B G-8-99649 | EOG Resources, Inc. only | Hopkins-Pope (Marble Falls) | Erath | 1 | 0 | 9.32K | Oct 1993 – Sep 2005 |
| Houston Ranch 5-D G-8-99650 | Merimac Investments, Inc. only | Hopkins-Pope (Marble Falls) | Hood | 1 | 0 | 0 | — |
| Seward, Neva G-8-99702 | Agroil, Inc. only | COG (Marble Falls) | Brown | 1 | 0 | 15.5K | by Jan 1993 – Jul 2000 |
| Moore, C.H. G-8-99936 | Simpco Oil & Gas only | Beattie (Marble Falls) | Comanche | 1 | 0 | 0 | — |
| Turner, J. B. G-8-100316 | Southwest Gas Systems, Inc. only | Brown Co. Regular (Marble Falls) | Brown | 1 | 0 | 5.97K | by Jan 1993 – Nov 2002 |
| Harris, J. B. G-8-100317 | Wilson, Olan Max only | Brown Co. Regular (Marble Falls) | Brown | 1 | 0 | 1.14K | by Jan 1993 – Jul 1994 |
| Lewis, Curtis G-8-100319 | CWC Oil & Gas, LLC only | Brown Co. Regular (Marble Falls) | Brown | 1 | 0 | 6.56K | by Jan 1993 – Jan 2017 |
| Newman, Thomas G-8-100394 | Wilson Well Service Inc. only | Bbb&c, BLK.3 (Marble Falls) | Brown | 1 | 0 | 26 | Jan 1994 – Jan 1994 |
| Newman, Thomas G-8-100396 | Southwest Gas Systems, Inc. only | Bbb&c, BLK.3 (Marble Falls) | Brown | 1 | 0 | 38.6K | by Jan 1993 – Jul 2026 |
| Williams, Willie G-8-100401 | Southwest Gas Systems, Inc. only | Bbb&c, BLK.3 (Marble Falls) | Brown | 1 | 0 | 24.2K | by Jan 1993 – Aug 2026 |
| Williams, Willie G-8-100402 | Southwest Gas Systems, Inc. only | Bbb&c, BLK.3 (Marble Falls) | Brown | 1 | 0 | 52.7K | by Jan 1993 – Aug 2026 |
| Williams, Willie G-8-100403 | Southwest Gas Systems, Inc. only | Bbb&c, BLK.3 (Marble Falls) | Brown | 1 | 0 | 69.4K | by Jan 1993 – Aug 2026 |
| Spence, Robert J. G-8-100405 | Southwest Gas Systems, Inc. only | Bbb&c, BLK.3 (Marble Falls) | Brown | 1 | 0 | 60 | by Jan 1993 – Dec 1997 |
| Duggins, S.H. G-8-102647 | Cedar Ridge Energy, Inc. only | Santa Anna (Marble Falls) | Coleman | 1 | 0 | 51.8K | by Jan 1993 – Feb 2024 |
| Smith-Howard G-8-102805 | Santa Anna Operating 3, LLC only | Santa Anna (Marble Falls) | Coleman | 1 | 0 | 24.6K | by Jan 1993 – Dec 2022 |
| B.thomas-Brown G-8-102856 | Furry Producing Company only | Brown Co. Regular (Marble Falls) | Brown | 1 | 0 | 11.9K | by Jan 1993 – Jun 2001 |
| Reid, M. J. G-8-102898 | Levisay Operating Co. only | M.j.reid (Marble Falls) | Brown | 1 | 0 | 31.8K | by Jan 1993 – Dec 2023 |
| Bibby, J. C. G-8-103001 | Southwest Gas Systems, Inc. only | Brown Co. Regular (Marble Falls) | Brown | 1 | 0 | 51.5K | by Jan 1993 – Aug 2026 |
| Dobson-Shoaf G-8-103150 | B & H Gas, Inc. only | Marmac (Marble Falls) | Parker | 1 | 0 | 0 | — |
| T&L Properties, Ltd. G-8-103198 | R & D Operating, Inc. only | Brown Co. Regular (Marble Falls) | Brown | 1 | 0 | 18.3K | by Jan 1993 – Jan 2012 |
| Murphy,e.l. G-8-103413 | Yellow Rose Oil & Gas Oper. Inc. only | Brown Co. Regular (Marble Falls) | Brown | 1 | 0 | 29.3K | by Jan 1993 – Jun 2014 |
| Duggins,s.h. G-8-103476 | Cedar Ridge Energy, Inc. only | Santa Anna (Marble Falls) | Coleman | 1 | 0 | 41.2K | by Jan 1993 – Feb 2024 |
| Leach, Fred M. G-8-103515 | Brown Industrial Gas OP, Inc. only | Brown Co. Regular (Marble Falls) | Brown | 1 | 0 | 12.8K | by Jan 1993 – Jul 2015 |
| Thompson Unit G-8-104769 | Place Oil and Gas Co. only | Mittie (Marble Falls) | Comanche | 1 | 0 | 69.7K | by Jan 1993 – Aug 2026 |
| Ledbetter G-8-104853 | Ledbetter, Jerry D. Co. only | Ledbetter, (Marble Falls) | Erath | 1 | 0 | 0 | — |
| Casey G-8-104855 | Pep Energy I, Ltd. only | Casey (Crystal Falls) | Coleman | 1 | 0 | 0 | — |
| Griffin G-8-105063 | Proco Operating Co., Inc. only | Marmac (Marble Falls) | Parker | 1 | 0 | 0 | — |
| Stover G-8-105186 | Southwest Gas Systems, Inc. only | Williams (Marble Falls) | Brown | 1 | 0 | 61.9K | by Jan 1993 – Jun 2012 |
| Milburn G-8-105194 | Falcon Flight, Inc. only | Granbury, NE. (Marble Falls) | Hood | 1 | 0 | 0 | — |
| Lebleu G-8-105489 | 3 S Production, Inc. only | Sipe Springs (Marble Falls) | Comanche | 1 | 0 | 176K | by Jan 1993 – Aug 2026 |
| Hays, Tom "A" G-8-105611 | Hane Operating, Inc. only | Brown Co. Regular (Marble Falls) | Brown | 1 | 0 | 0 | — |
| Woodfin G-8-105613 | Sterling Oil and Gas only | Woodfin (Marble Falls) | Parker | 1 | 0 | 12.9K | Mar 1993 – Apr 1998 |
| Moore G-8-105647 | Rutledge, Kenny only | Moore (Marble Falls) | Comanche | 1 | 0 | 361K | by Jan 1993 – Aug 2026 |
| Morrow, Joe Paul G-8-82025 | Lane Operating only | Santa Anna (Marble Falls) | Coleman | 1 | 0 | 0 | — |
| Nichols, Gladys G-8-105984 | Southwest Gas Systems, Inc. only | Brown Co. Regular (Marble Falls) | Brown | 1 | 0 | 68.4K | by Jan 1993 – Aug 2026 |
| Jones, John G. "C" G-9-99612 | R & D Operating only | Heart of Texas (Marble Falls) | McCulloch | 1 | 0 | 2.54K | by Jan 1993 – Mar 1995 |
| Eden G-9-192193 | Halvey Energy, LLC only | Eden (Marble Falls) | Concho | 1 | 0 | 31.3K | Jul 2003 – Dec 2009 |
| Jones, John G. "817" G-9-205757 | R & D Operating, Inc. only | Heart of Texas (Marble Falls) | McCulloch | 1 | 0 | 1.7K | Apr 2004 – Mar 2006 |
| Jones, John G. "817" G-9-205760 | R & D Operating, Inc. only | Heart of Texas (Marble Falls) | McCulloch | 1 | 0 | 1.58K | Apr 2004 – Mar 2006 |
| Jones, John G. "818" G-9-205804 | R & D Operating, Inc. only | Heart of Texas (Marble Falls) | McCulloch | 1 | 0 | 662 | Apr 2004 – Mar 2006 |
| Jones, John G. "818" G-9-205806 | R & D Operating, Inc. only | Heart of Texas (Marble Falls) | McCulloch | 1 | 0 | 35 | Feb 2005 – Feb 2005 |
| Jones, John G. "818" G-9-205807 | R & D Operating, Inc. only | Heart of Texas (Marble Falls) | McCulloch | 1 | 0 | 597 | Apr 2004 – Mar 2006 |
| Jones, John G. "A" G-9-211215 | R & D Operating, Inc. only | Heart of Texas (Marble Falls) | McCulloch | 1 | 0 | 0 | — |
| Bachman-Woolf-Kuehn Unit G-13-130303 | Blackbrush O & G, LLC only | Thalia (Wichita Falls) | Foard | 1 | 0 | 286K | Mar 1995 – Aug 2026 |
| Woodhouse G-13-131267 | Rio Bravo Production, LLC only | Strawn (Marble Falls 3770) | Jack | 1 | 0 | 44.8K | May 1996 – Aug 2026 |