| Higginbotham O-8-27284 | Eastland Operating, L.L.C. | Rebecca (Marble Falls) | Eastland | 7 | 55.7K | 23.5K | Sep 1994 – Aug 2026 |
| Coan O-8-20951 | Eastland Operating, L.L.C. | Mittie (Marble Falls) | Comanche | 3 | 28.9K | 171K | by Jan 1993 – Jun 2023 |
| Fox O-8-21354 | Eastland Operating, L.L.C. | Cliff (Marble Falls) | Eastland | 1 | 28.6K | 336K | by Jan 1993 – Aug 2026 |
| Hodges, G. O-8-16951 | Eastland Operating, L.L.C. | Mittie (Marble Falls) | Comanche | 5 | 18.7K | 750K | by Jan 1993 – Aug 2026 |
| Pounds, Wendell O-8-15572 | Eastland Operating, L.L.C. | Mittie (Marble Falls) | Comanche | 3 | 10.9K | 115K | by Jan 1993 – Aug 2026 |
| Carroll G-8-125398 | Eastland Operating, L.L.C. | Reb (Marble Falls) | Eastland | 1 | 10.7K | 146K | by Jan 1993 – Aug 2026 |
| Pence, Charles G. -PC- O-8-17942 | Eastland Operating, L.L.C. | Cameron, P. (Marble Falls) | Eastland | 3 | 10.1K | 30.6K | Oct 1993 – Jan 2020 |
| Kolp O-8-22752 | Eastland Operating, L.L.C. | Ranger,nw (Marble Falls) | Eastland | 1 | 7.54K | 486K | by Jan 1993 – Aug 2026 |
| Lange,h.c. O-8-17003 | Eastland Operating, L.L.C. | Ranger,nw (Marble Falls) | Eastland | 1 | 7.53K | 307K | 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 |
| Keith O-8-20948 | Eastland Operating, L.L.C. | Mittie (Marble Falls) | Comanche | 1 | 4.44K | 145K | by Jan 1993 – Jul 2024 |
| Hagaman (South) O-8-27346 | Eastland Operating, L.L.C. | Ranger,nw (Marble Falls) | Eastland | 2 | 4.2K | 109K | Nov 1994 – Aug 2024 |
| 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 |
| Penn, E. F. O-8-21734 | Eastland Operating, L.L.C. | Ranger,nw (Marble Falls) | Eastland | 1 | 1.04K | 10.1K | by Jan 1993 – Oct 1998 |
| Eison G-8-113919 | Eastland Operating, L.L.C. | Mittie (Marble Falls) | Comanche | 1 | 942 | 308K | by Jan 1993 – Aug 2026 |
| Pre-Emption O-8-17262 | Eastland Operating, L.L.C. | Ranger,nw (Marble Falls) | Eastland | 4 | 931 | 78K | by Jan 1993 – Feb 2001 |
| 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 |
| Barnes, Mary O-8-16356 | Eastland Operating, L.L.C. | Ranger,nw (Marble Falls) | Eastland | 4 | 620 | 14.7K | by Jan 1993 – Jan 2001 |
| 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 |
| Sneed O-8-22060 | Eastland Operating, L.L.C. | JMJ (Marble Falls) | Eastland | 1 | 368 | 21.5K | by Jan 1993 – Mar 2000 |
| 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 |
| Tankersly (West) O-8-32840 | Eastland Operating, L.L.C. | Reb (Marble Falls) | Eastland | 4 | 249 | 1.97K | Nov 2025 – Aug 2026 |
| 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 |
| Hill O-8-24216 | Eastland Operating, L.L.C. | Ranger,nw (Marble Falls) | Stephens | 1 | 237 | 12.8K | by Jan 1993 – Oct 1998 |
| 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 |