| Key G-8-78250 | 9K Investments LLC only | Lipan (Marble Falls) | Hood | 1 | 141 | 272K | Mar 1993 – Jun 2026 |
| Huddleston, H.J. G-8-96014 | Duster Gas Company only | Beattie, N. (Marble Falls) | Comanche | 1 | 140 | 96K | by Jan 1993 – Aug 2023 |
| Herrin, W.R. G-8-79028 | Hh&f Partners only | Morgan Mill (Marble Falls) | Erath | 1 | 139 | 141K | by Jan 1993 – Dec 2018 |
| Copeland Ranch G-8-155289 | Braka Operating, L.L.C. only | Strawn, NW. (Marble Falls) | Stephens | 1 | 138 | 56.1K | Jun 1995 – Aug 2026 |
| Porter Gas Unit G-8-159966 | Williams Prod. Gulf Coast, L.P. only | Granbury, NE. (Marble Falls) | Hood | 1 | 138 | 70.8K | Sep 1996 – Jul 2006 |
| Noland, E. T. G-8-32138 | Dodson Prairie Oil & Gas LLC only | Noland (Marble Falls) | Palo Pinto | 1 | 138 | 174K | by Jan 1993 – Apr 2023 |
| R.L. Martin O-13-31548 | Quest-Tex Energy OP II, LLC only | Strawn (Marble Falls 3770) | Jack | 1 | 138 | 8.8K | Dec 2009 – Dec 2014 |
| Lentex-May O-8-19598 | Bayou Operating Company, Inc. only | Heidenreich (Upper Marble Falls) | Brown | 1 | 137 | 2.84K | by Jan 1993 – Sep 1997 |
| Carver "A" G-8-127397 | North Ridge Corporation only | Reb (Marble Falls) | Eastland | 1 | 137 | 14.5K | by Jan 1993 – Feb 1996 |
| Emard O-13-34342 | G & F Oil, Inc. only | Antelope,s.e. (Marble Falls) | Jack | 1 | 136 | 2.13K | Nov 2024 – Nov 2025 |
| Thompson G-8-101990 | Southwest Gas Systems, Inc. only | Brown Co. Regular (Marble Falls) | Brown | 1 | 136 | 106K | by Jan 1993 – Aug 2026 |
| Jones & Burroughs O-8-28290 | Sundial Resources, Inc. only | J. S. Lewis (Marble Falls) | Brown | 4 | 136 | 809 | Sep 1997 – Jul 2008 |
| Hooks Gas Unit G-8-117475 | Basal Corporation only | Granbury, NE. (Marble Falls) | Hood | 1 | 135 | 201K | by Jan 1993 – Jul 2006 |
| Goen, A.C. G-8-122449 | Braka Operating, L.L.C. only | Reb (Marble Falls) | Eastland | 1 | 135 | 53.6K | by Jan 1993 – Aug 2026 |
| Bibby, J. C. O-8-11901 | Furry Producing Company only | J. S. Lewis (Marble Falls) | Brown | 2 | 135 | 4.7K | by Jan 1993 – Nov 1994 |
| Calhoun G-8-128657 | AC Exploration, LLC only | Granbury, NE. (Marble Falls) | Hood | 1 | 135 | 395K | by Jan 1993 – Jan 2025 |
| McFarlane G-8-82680 | Creek Energy, Inc. only | S.E.C. (Marble Falls) | Brown | 1 | 134 | 231K | by Jan 1993 – Aug 2026 |
| Falls, Minnie "4" O-11-64560 | A A Production Inc. only | Sharon Ridge (2400) | Scurry | 1 | 134 | 3 | by Jan 1993 – Mar 1993 |
| Cantwell Unit G-8-125393 | Eastland Operating, L.L.C. only | Ranger,nw (Marble Falls) | Eastland | 1 | 134 | 37.1K | by Jan 1993 – May 2007 |
| Lee, Weldon G-8-106000 | Southwest Gas Systems, Inc. only | Bbb&c, BLK.3 (Marble Falls) | Brown | 1 | 133 | 124K | by Jan 1993 – Aug 2026 |
| Spence, Robert J. G-8-125400 | Southwest Gas Systems, Inc. only | Bbb&c, BLK.3 (Marble Falls) | Brown | 1 | 133 | 86.4K | by Jan 1993 – Aug 2026 |
| Coan G-8-138047 | Mission Energy Inc. only | Heidenreich (Upper Marble Falls) | Brown | 1 | 133 | 25.7K | by Jan 1993 – Jan 2023 |
| Underwood, Ted G-8-133522 | Watson Oil & Gas, Inc. only | Duster, NE. (Marble Falls 2750) | Comanche | 1 | 132 | 21.1K | by Jan 1993 – Feb 2021 |
| Falls "C" O-11-17591 | Murphy & Associates, Inc. only | Sharon Ridge (2400) | Scurry | 2 | 132 | 3 | by Jan 1993 – Mar 1993 |
| Caraway G-8-143757 | Chance Oil Co., Inc. only | Momma Bear (Marble Falls) | Palo Pinto | 1 | 132 | 68.6K | by Jan 1993 – Aug 1994 |
| Cullers "B" O-13-23053 | Martin Well Service only | Borock (Marble Falls) | Jack | 1 | 132 | 292 | Jun 1993 – Apr 1995 |
| Newton, L.E. G-8-75986 | Southwest Gas Systems, Inc. only | Brown Co. Regular (Marble Falls) | Brown | 1 | 132 | 40.7K | by Jan 1993 – Aug 2026 |
| W.d.lester Unit NO 2 G-8-131711 | North Ridge Corporation only | Reb (Marble Falls) | Eastland | 1 | 132 | 20.7K | by Jan 1993 – Mar 2006 |
| Courtney, M. K. "A" G-8-106771 | Southeastern Resources Corp. only | JMJ (Marble Falls) | Eastland | 1 | 132 | 28K | by Jan 1993 – Sep 1998 |
| Rodgers G-8-122448 | Eastland Operating, L.L.C. only | Ranger,nw (Marble Falls) | Stephens | 1 | 132 | 173K | by Jan 1993 – Jan 2018 |
| R. T. S. G-8-138013 | Eastland Operating, L.L.C. only | Ranger,nw (Marble Falls) | Eastland | 1 | 130 | 45.3K | by Jan 1993 – May 2006 |
| Castleberry-West G-8-122111 | Lowrance Inc. only | Reb (Marble Falls) | Eastland | 1 | 130 | 12.3K | by Jan 1993 – Oct 1995 |
| Clayton, J. R. O-13-28195 | Devon Energy Production Co, L.P. only | Crum (Marble Falls) | Jack | 1 | 129 | 3.7K | by Jan 1993 – Aug 1993 |
| Williams, G. W., -A- G-8-17342 | Southwest Gas Systems, Inc. only | Blake (Caddo Marble Falls) | Brown | 1 | 129 | 1.35K | by Jan 1993 – Dec 2002 |
| Lee, Weldon G-8-105999 | Southwest Gas Systems, Inc. only | Bbb&c, BLK.3 (Marble Falls) | Brown | 1 | 129 | 124K | by Jan 1993 – Aug 2026 |
| Moon, A.M. O-8-28513 | Cholla Petroleum, Inc. only | Moon (Marble Falls Lime) | Stephens | 1 | 129 | 160 | Jul 1998 – Jan 2003 |
| East Grosvenor G-8-166490 | Shady Oil Co. only | Brown Co. Regular (Marble Falls) | Brown | 1 | 129 | 690 | Nov 1997 – May 2007 |
| Bird, Henry G-8-215635 | Tandem Energy Corporation only | Strawn (Marble Falls Strawn) | Palo Pinto | 1 | 128 | 120K | Feb 2006 – Aug 2026 |
| Long G-8-197391 | North Texas Plugging, LLC only | Rector (Marble Falls) | Palo Pinto | 1 | 128 | 29.8K | Aug 2003 – Jun 2013 |
| Lake G-13-283796 | Best Petroleum Explorations,inc. only | KRS (Marble Falls) | Jack | 1 | 128 | 5.53K | Mar 2018 – Oct 2020 |
| Thomas-Frank O-8-19909 | Estate of Beryl June Stoval only | M-Ray (Marble Falls) | Stephens | 1 | 128 | 5 | by Jan 1993 – Sep 2004 |
| Carter G-8-34844 | Somerset Operating, LLC only | Weatherford (Marble Falls) | Parker | 1 | 128 | 152K | by Jan 1993 – Jun 2026 |
| Mills G-8-138029 | Eastland Operating, L.L.C. only | Ranger,nw (Marble Falls) | Eastland | 1 | 127 | 40.4K | by Jan 1993 – Aug 2026 |
| Carver "B" O-8-22850 | Braka Operating, L.L.C. only | Reb (Marble Falls) | Eastland | 2 | 126 | 1.97K | by Jan 1993 – Mar 1994 |
| Bledsoe G-8-138021 | Eastland Operating, L.L.C. only | Ranger,nw (Marble Falls) | Eastland | 1 | 125 | 33.8K | Jun 1995 – Nov 2012 |
| Mills G-8-138026 | Eastland Operating, L.L.C. only | Ranger,nw (Marble Falls) | Eastland | 1 | 125 | 40.3K | by Jan 1993 – Aug 2026 |
| Culberson G-8-95422 | Shady Oil Co. only | Brown Co. Regular (Marble Falls) | Brown | 1 | 125 | 209K | Mar 1993 – Jul 2026 |
| Stover, Don "B" G-8-161229 | Southwest Gas Systems, Inc. only | Williams (Marble Falls) | Brown | 1 | 124 | 28.2K | Jan 1997 – Aug 2026 |
| Falls, Minnie V. O-11-64131 | Viva Oil Company, Inc. only | Sharon Ridge (2400) | Scurry | 2 | 123 | 3 | by Jan 1993 – Mar 1993 |
| Rankin, Ray G-8-288660 | Bayou Operating Company, Inc. only | Hardy (Marble Falls) | Brown | 1 | 123 | 2.61K | Mar 2020 – Aug 2026 |