| 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 |
| Spence, A. P. G-8-100406 | Pickett Oil Company only | Bbb&c, BLK.3 (Marble Falls) | Brown | 1 | 0 | 2.14K | by Jan 1993 – May 1996 |
| Rankin, Ray G-8-100410 | Southwest Gas Systems, Inc. only | Bbb&c, BLK.3 (Marble Falls) | Brown | 1 | 0 | 19.5K | by Jan 1993 – Aug 2026 |
| Rankin, Ray G-8-100411 | Southwest Gas Systems, Inc. only | Bbb&c, BLK.3 (Marble Falls) | Brown | 1 | 0 | 101K | by Jan 1993 – Aug 2026 |
| Wayne-Howard G-8-100413 | McIver, Terry L. only | Brown Co. Regular (Marble Falls) | Brown | 1 | 0 | 420 | by Jan 1993 – Aug 1994 |
| Lewis, Delmer G-8-100513 | Paratus Petroleum LLC only | Brown Co. Regular (Marble Falls) | Brown | 1 | 0 | 82.5K | by Jan 1993 – Aug 2026 |
| Taber Ranch -A- G-8-100591 | KLH Oil & Gas, Inc. only | Dillard (Marble Falls) | Brown | 1 | 0 | 30.3K | by Jan 1993 – May 2020 |
| Woods, Maudie G-8-100657 | Southwest Gas Systems, Inc. only | Bbb&c, BLK.3 (Marble Falls) | Brown | 1 | 0 | 0 | — |
| Williams G-8-100722 | Salt of the Earth Energy, LLC only | Marmac (Marble Falls) | Parker | 1 | 0 | 16.8K | Feb 2017 – Mar 2020 |
| Sparkman G-8-100793 | Mission Energy Inc. only | Sparkman (Marble Falls) | Comanche | 1 | 0 | 10.2K | by Jan 1993 – Aug 2012 |
| McBee, Johnny G-8-100803 | McBee, Johnny only | Brown Co. Regular (Marble Falls) | Brown | 1 | 0 | 28.9K | by Jan 1993 – Jan 2011 |
| Shugart,jim "B" G-8-100807 | JO Pat Oil Company, LLC only | Desdemona (Marble Falls) | Eastland | 1 | 0 | 21.9K | by Jan 1993 – Dec 2004 |
| Myrick, Jack G-8-101001 | Bruce Ogletree LLC only | Brown Co. Regular (Marble Falls) | Brown | 1 | 0 | 14.3K | Mar 1993 – Aug 2022 |
| Hutton, Herbert G-8-101140 | Eddie's Royalties, Inc. only | Brown Co. Regular (Marble Falls) | Brown | 1 | 0 | 5.76K | by Jan 1993 – Feb 1998 |
| Tomlin,o. Unit G-8-101315 | Buck Wheat Resources, L.P. only | Big Sandy (Marble Falls) | Stephens | 1 | 0 | 112K | by Jan 1993 – May 2021 |
| Cox G-8-101417 | CWC Oil & Gas, LLC only | Brown Co. Regular (Marble Falls) | Brown | 1 | 0 | 72.4K | by Jan 1993 – Aug 2026 |
| Danley-Crabb Unit G-8-101425 | North Ridge Corporation only | Ranger,nw (Marble Falls) | Eastland | 1 | 0 | 24.8K | by Jan 1993 – Mar 1995 |
| Gerhardt G-8-101689 | Wester, Dan Oil and Gas, Inc. only | Foster (Marble Falls) | Eastland | 1 | 0 | 0 | — |
| Brown,leah G-8-101833 | Anderson Production only | Lake Cisco (Marble Falls) | Eastland | 1 | 0 | 93.9K | by Jan 1993 – Aug 2026 |
| Lambert-Moore Unit G-8-101953 | RKW Operating LLC only | Peaster, SE (Marble Falls) | Parker | 1 | 0 | 40.6K | by Jan 1993 – May 2023 |
| Stone G-8-102088 | Red Dog Track, Inc. only | COG (Marble Falls) | Brown | 1 | 0 | 3.58K | by Jan 1993 – Mar 2002 |
| Woods, H.T. G-8-102369 | Southwest Gas Systems, Inc. only | Bbb&c, BLK.3 (Marble Falls) | Brown | 1 | 0 | 12.8K | by Jan 1993 – Aug 2026 |
| 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 |
| Rice, Nesbit G-8-103836 | 4-M Operating Company only | Brown Co. Regular (Marble Falls) | Brown | 1 | 0 | 0 | — |
| Ruggles, Albert G-8-103923 | Fojtasek, Joe only | Brown Co. Regular (Marble Falls) | Brown | 1 | 0 | 0 | — |
| Taber Ranch "A" G-8-104132 | KLH Oil & Gas, Inc. only | Dillard (Marble Falls) | Brown | 1 | 0 | 40.6K | by Jan 1993 – Aug 2026 |
| Rice, Nesbit G-8-104137 | 4-M Operating Company only | Brown Co. Regular (Marble Falls) | Brown | 1 | 0 | 0 | — |
| Milburn G-8-104144 | Falcon Flight, Inc. only | Granbury, NE. (Marble Falls) | Hood | 1 | 0 | 0 | — |
| Joiner G-8-104456 | Smith Pipe of Abilene only | Mittie (Marble Falls) | Comanche | 1 | 0 | 244 | Feb 2000 – Oct 2001 |
| Hooks Gas Unit G-8-104563 | Falcon Flight, Inc. only | Granbury, NE. (Marble Falls) | Hood | 1 | 0 | 0 | — |
| Burleson, Walter G-8-104754 | Young, L. M. only | Brookesmith (Marble Falls Reef) | Brown | 1 | 0 | 0 | — |
| 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 |