| Carroll G-8-125398 | Eastland Operating, L.L.C. | Reb (Marble Falls) | Eastland | 1 | 10.7K | 146K | by Jan 1993 – Aug 2026 |
| Carroll G-8-138015 | Eastland Operating, L.L.C. | Reb (Marble Falls) | Eastland | 1 | 4.68K | 75.4K | by Jan 1993 – Aug 2026 |
| Carroll G-8-125397 | Eastland Operating, L.L.C. | Reb (Marble Falls) | Eastland | 1 | 3.31K | 73.4K | by Jan 1993 – Aug 2026 |
| Carroll G-8-125396 | Eastland Operating, L.L.C. | Reb (Marble Falls) | Eastland | 1 | 3.28K | 61.9K | by Jan 1993 – Aug 2026 |
| Frasier G-8-148794 | Eastland Operating, L.L.C. | Mittie (Marble Falls) | Comanche | 1 | 2.83K | 150K | Jan 1994 – Aug 2026 |
| Hodges G-8-118751 | Eastland Operating, L.L.C. | Ranger,nw (Marble Falls) | Eastland | 1 | 2.81K | 70K | by Jan 1993 – Aug 2026 |
| Hodges G-8-118750 | Eastland Operating, L.L.C. | Ranger,nw (Marble Falls) | Eastland | 1 | 1.88K | 39.3K | by Jan 1993 – Aug 2026 |
| Stokes, W.D. G-8-125637 | Eastland Operating, L.L.C. | Mittie (Marble Falls) | Comanche | 1 | 1.8K | 183K | by Jan 1993 – Aug 2026 |
| Haynes G-8-184219 | Eastland Operating, L.L.C. | Mittie (Marble Falls) | Comanche | 1 | 1.1K | 40.9K | Aug 2001 – Aug 2026 |
| Eison G-8-113919 | Eastland Operating, L.L.C. | Mittie (Marble Falls) | Comanche | 1 | 942 | 308K | by Jan 1993 – Aug 2026 |
| Swint G-8-115619 | Eastland Operating, L.L.C. | Weed Valley (Marble Falls) | Comanche | 1 | 866 | 170K | by Jan 1993 – Nov 2020 |
| Tankersly (West) G-8-137868 | Eastland Operating, L.L.C. | Reb (Marble Falls) | Eastland | 1 | 800 | 122K | by Jan 1993 – Oct 2025 |
| Thompson G-8-174634 | Eastland Operating, L.L.C. | Mittie (Marble Falls) | Comanche | 1 | 762 | 44.6K | Oct 1999 – Aug 2026 |
| Lindley, W.W. G-8-115622 | Eastland Operating, L.L.C. | Weed Valley (Marble Falls) | Comanche | 1 | 696 | 165K | by Jan 1993 – Nov 2020 |
| Heathington Unit G-8-98259 | Eastland Operating, L.L.C. | Mittie (Marble Falls) | Comanche | 1 | 657 | 205K | by Jan 1993 – Aug 2026 |
| Lindley, W.W. G-8-115623 | Eastland Operating, L.L.C. | Weed Valley (Marble Falls) | Comanche | 1 | 599 | 55.2K | by Jan 1993 – Nov 2020 |
| Lindley, W. W. G-8-115620 | Eastland Operating, L.L.C. | Weed Valley (Marble Falls) | Comanche | 1 | 582 | 133K | by Jan 1993 – Nov 2020 |
| Thompson G-8-174636 | Eastland Operating, L.L.C. | Mittie (Marble Falls) | Comanche | 1 | 512 | 44.9K | Oct 1999 – Aug 2026 |
| Gordon, W. K. G-8-122438 | Eastland Operating, L.L.C. | Ranger,nw (Marble Falls) | Eastland | 1 | 501 | 121K | by Jan 1993 – Aug 2026 |
| Nicks G-8-118745 | Eastland Operating, L.L.C. | Ranger,nw (Marble Falls) | Eastland | 1 | 466 | 118K | by Jan 1993 – Nov 2012 |
| Hill G-8-171040 | Eastland Operating, L.L.C. | Ranger,nw (Marble Falls) | Stephens | 1 | 392 | 42.9K | Oct 1998 – May 2022 |
| Abbott-Reynolds G-8-122453 | Eastland Operating, L.L.C. | Reb (Marble Falls) | Eastland | 1 | 373 | 190K | by Jan 1993 – Jun 2023 |
| Morris G-8-78826 | Eastland Operating, L.L.C. | Morgan Mill (Marble Falls) | Erath | 1 | 335 | 207K | by Jan 1993 – Apr 2026 |
| Duster Unit G-8-141643 | Eastland Operating, L.L.C. | Mittie (Marble Falls) | Comanche | 1 | 331 | 107K | by Jan 1993 – Aug 2026 |
| Tankersly (West) G-8-137873 | Eastland Operating, L.L.C. | Reb (Marble Falls) | Eastland | 1 | 317 | 124K | by Jan 1993 – Oct 2025 |
| Hagaman (South) G-8-122441 | Eastland Operating, L.L.C. | Ranger,nw (Marble Falls) | Eastland | 1 | 291 | 186K | Feb 1993 – Oct 2025 |
| Fokken G-8-128343 | Eastland Operating, L.L.C. | Reb (Marble Falls) | Eastland | 1 | 243 | 383K | by Jan 1993 – Aug 2014 |
| Barnes, J.W. G-8-122433 | Eastland Operating, L.L.C. | Ranger,nw (Marble Falls) | Eastland | 1 | 242 | 18.8K | by Jan 1993 – Nov 2012 |
| Williamson Homeplace G-8-127907 | Eastland Operating, L.L.C. | Reb (Marble Falls) | Eastland | 1 | 230 | 116K | by Jan 1993 – Aug 2026 |
| Jesse G-8-123903 | Eastland Operating, L.L.C. | Reb (Marble Falls) | Eastland | 1 | 215 | 86.3K | by Jan 1993 – Mar 2018 |
| Tankersly (West) G-8-137876 | Eastland Operating, L.L.C. | Reb (Marble Falls) | Eastland | 1 | 209 | 98.9K | by Jan 1993 – May 2025 |
| Germany "B" G-8-122454 | Eastland Operating, L.L.C. | Reb (Marble Falls) | Eastland | 1 | 194 | 271K | by Jan 1993 – Aug 2024 |
| Glenn G-8-113733 | Eastland Operating, L.L.C. | Ranger,nw (Marble Falls) | Stephens | 1 | 189 | 139K | by Jan 1993 – Nov 2014 |
| Barber, Lucille G-8-113730 | Eastland Operating, L.L.C. | Ranger,nw (Marble Falls) | Eastland | 1 | 164 | 70.1K | by Jan 1993 – Sep 2004 |
| Cantwell Unit G-8-125393 | Eastland Operating, L.L.C. | Ranger,nw (Marble Falls) | Eastland | 1 | 134 | 37.1K | by Jan 1993 – May 2007 |
| Rodgers G-8-122448 | Eastland Operating, L.L.C. | Ranger,nw (Marble Falls) | Stephens | 1 | 132 | 173K | by Jan 1993 – Jan 2018 |
| R. T. S. G-8-138013 | Eastland Operating, L.L.C. | Ranger,nw (Marble Falls) | Eastland | 1 | 130 | 45.3K | by Jan 1993 – May 2006 |
| Mills G-8-138029 | Eastland Operating, L.L.C. | Ranger,nw (Marble Falls) | Eastland | 1 | 127 | 40.4K | by Jan 1993 – Aug 2026 |
| Mills G-8-138026 | Eastland Operating, L.L.C. | Ranger,nw (Marble Falls) | Eastland | 1 | 125 | 40.3K | by Jan 1993 – Aug 2026 |
| Bledsoe G-8-138021 | Eastland Operating, L.L.C. | Ranger,nw (Marble Falls) | Eastland | 1 | 125 | 33.8K | Jun 1995 – Nov 2012 |
| Lindley, W.W. G-8-115621 | Eastland Operating, L.L.C. | Weed Valley (Marble Falls) | Comanche | 1 | 119 | 8.99K | by Jan 1993 – Nov 2020 |
| Davis Unit G-8-114231 | Eastland Operating, L.L.C. | Mittie (Marble Falls) | Comanche | 1 | 105 | 70.3K | by Jan 1993 – Aug 2026 |
| Keith G-8-297937 | Eastland Operating, L.L.C. | Mittie (Marble Falls) | Comanche | 1 | 92 | 7.8K | Aug 2024 – Aug 2026 |
| Wagner G-8-120886 | Eastland Operating, L.L.C. | Ranger,nw (Marble Falls) | Eastland | 1 | 72 | 100K | by Jan 1993 – Sep 2022 |
| Walker, Nanie-Estate G-8-113737 | Eastland Operating, L.L.C. | Ranger,nw (Marble Falls) | Eastland | 1 | 52 | 324K | by Jan 1993 – Aug 2026 |
| Griffin G-8-122440 | Eastland Operating, L.L.C. | Ranger,nw (Marble Falls) | Eastland | 1 | 45 | 53.7K | by Jan 1993 – Feb 2010 |
| Hatton G-8-113734 | Eastland Operating, L.L.C. | Ranger,nw (Marble Falls) | Eastland | 1 | 45 | 91.3K | by Jan 1993 – Apr 2013 |
| Tankersley "A" G-8-118753 | Eastland Operating, L.L.C. | Reb (Marble Falls) | Eastland | 1 | 44 | 16.1K | by Jan 1993 – Jan 2006 |
| Tankersly (West) G-8-137877 | Eastland Operating, L.L.C. | Reb (Marble Falls) | Eastland | 1 | 44 | 49.9K | by Jan 1993 – Dec 2025 |
| Sneed G-8-177568 | Eastland Operating, L.L.C. | JMJ (Marble Falls) | Eastland | 1 | 42 | 3.02K | Apr 2000 – Jun 2011 |