| LP-Butler A G-2-288869 | BPX Operating Company only | Eagleville (Eagle Ford-2) | De Witt | 1 | 0 | 1.19M | Mar 2020 – Jul 2026 |
| LP-Butler A G-2-288987 | BPX Operating Company only | Eagleville (Eagle Ford-2) | De Witt | 1 | 0 | 1.42M | Mar 2020 – Jul 2026 |
| LP-Butler A G-2-288988 | BPX Operating Company only | Eagleville (Eagle Ford-2) | De Witt | 1 | 0 | 2.19M | Mar 2020 – Jul 2026 |
| LP-Butler A G-2-288989 | BPX Operating Company only | Eagleville (Eagle Ford-2) | De Witt | 1 | 0 | 1.84M | Mar 2020 – Jul 2026 |
| LP-Butler A G-2-288990 | BPX Operating Company only | Eagleville (Eagle Ford-2) | De Witt | 1 | 0 | 1.36M | Mar 2020 – Jul 2026 |
| LP-Butler A G-2-289053 | BPX Operating Company only | Eagleville (Eagle Ford-2) | De Witt | 1 | 0 | 2.12M | Mar 2020 – Jul 2026 |
| LP-Butler a- Jordan a SA 1 G-2-289055 | BPX Operating Company only | Eagleville (Eagle Ford-2) | De Witt | 1 | 0 | 1.08M | Mar 2020 – Jul 2026 |
| LP-Butler A G-2-289253 | BPX Operating Company only | Eagleville (Eagle Ford-2) | De Witt | 1 | 0 | 1.59M | Mar 2020 – Jul 2026 |
| Ckodre a-W. Butler a SA 1 G-2-291372 | Devon Energy Production Co, L.P. only | Eagleville (Eagle Ford-2) | De Witt | 1 | 0 | 0 | May 2021 – Jan 2022 |
| Butler A-304 G-2-294325 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 0 | 1.51M | Dec 2022 – Jul 2026 |
| Butler A304-C Usw A G-2-294332 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 0 | 3.71M | Dec 2022 – Jul 2026 |
| Butler A304-C Usw B G-2-294333 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 0 | 3.67M | Dec 2022 – Jul 2026 |
| Brys-Butler a-C Usw A G-2-294450 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 0 | 3.66M | Dec 2022 – Jul 2026 |
| Butler A304-C Usw C G-2-294566 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 0 | 3.61M | Dec 2022 – Jul 2026 |
| LP Butler B G-2-294861 | BPX Operating Company only | Eagleville (Eagle Ford-2) | De Witt | 1 | 0 | 946K | Jan 2023 – Jul 2026 |
| LP Butler B G-2-294862 | BPX Operating Company only | Eagleville (Eagle Ford-2) | De Witt | 1 | 0 | 1.25M | Jan 2023 – Jul 2026 |
| LP Butler B G-2-294863 | BPX Operating Company only | Eagleville (Eagle Ford-2) | De Witt | 1 | 0 | 1.01M | Feb 2023 – Jul 2026 |
| LP Butler B G-2-294864 | BPX Operating Company only | Eagleville (Eagle Ford-2) | De Witt | 1 | 0 | 1.61M | Feb 2023 – Jul 2026 |
| Butler-Fenner-St. Germaine SA G-2-295624 | Marathon Oil EF LLC only | Eagleville (Eagle Ford-2) | Karnes | 1 | 0 | 684K | Sep 2021 – Jul 2026 |
| E. Butler A G-2-295961 | BPX Operating Company only | Eagleville (Eagle Ford-2) | De Witt | 1 | 0 | 946K | Jan 2020 – Jul 2026 |
| E. Butler A G-2-295966 | BPX Operating Company only | Eagleville (Eagle Ford-2) | De Witt | 1 | 0 | 963K | Jan 2020 – Jul 2026 |
| Ckodre a-W. Butler a SA 1 G-2-296437 | BPX Operating Company only | Eagleville (Eagle Ford-2) | De Witt | 1 | 0 | 1.2M | Aug 2021 – Jul 2026 |
| Butler Ranch D G-2-297577 | Verdun Oil & Gas LLC only | Eagleville (Eagle Ford-2) | Live Oak | 1 | 0 | 1.08M | Aug 2022 – Jul 2026 |
| W. Butler a-E. Butler a SA 1 G-2-297885 | BPX Operating Company only | Eagleville (Eagle Ford-2) | De Witt | 1 | 0 | 2.35M | Apr 2024 – Jul 2026 |
| W. Butler a-E. Butler a SA 2 G-2-297886 | Devon Energy Production Co, L.P. only | Eagleville (Eagle Ford-2) | De Witt | 1 | 0 | 0 | Apr 2024 – Oct 2024 |
| W. Butler a-E. Butler a SA 3 G-2-297887 | BPX Operating Company only | Eagleville (Eagle Ford-2) | De Witt | 1 | 0 | 1.41M | May 2024 – Jul 2026 |
| LP Butler B G-2-298128 | BPX Operating Company only | Eagleville (Eagle Ford-2) | De Witt | 1 | 0 | 0 | Aug 2024 – Jul 2026 |
| LP Butler B G-2-298150 | BPX Operating Company only | Eagleville (Eagle Ford-2) | De Witt | 1 | 0 | 1.27M | Jun 2024 – Jul 2026 |
| LP Butler B G-2-298151 | BPX Operating Company only | Eagleville (Eagle Ford-2) | De Witt | 1 | 0 | 711K | Jul 2024 – Jul 2026 |
| LP Butler B G-2-298153 | BPX Operating Company only | Eagleville (Eagle Ford-2) | De Witt | 1 | 0 | 672K | Jul 2024 – Jul 2026 |
| Leider, Gertrude G-3-87917 | Butler, Farrell G. Jr. only | Manvel (Lissie 1100) | Brazoria | 1 | 0 | 0 | Jan 1993 – Dec 1993 |
| Massey Walker Unit #1 G-3-101735 | Butler, Farrell G. Jr. only | Manvel (Lissie 1100) | Brazoria | 1 | 0 | 0 | Jan 1993 – Aug 1994 |
| Reynolds, R. - Butler G-3-104772 | Daylight Petroleum LLC only | Lake Creek (Wilcox Consolidated) | Montgomery | 1 | 0 | 209K | Jan 1993 – Jul 2026 |
| Shipnes-Butler G-3-150980 | WCS Oil and Gas Corporation only | Giddings (Austin Chalk, Gas) | Washington | 1 | 0 | 264K | Jul 1994 – Aug 2001 |
| Butler G-3-152845 | Enervest Operating, L.L.C. only | Giddings (Austin Chalk, Gas) | Washington | 1 | 0 | 2.46M | Oct 1994 – Feb 2017 |
| Butler G-3-153696 | Enervest Operating, L.L.C. only | Giddings (Austin Chalk, Gas) | Washington | 1 | 0 | 2.79M | Jan 1995 – Feb 2017 |
| Butler G-3-154553 | McDaniel Company, Inc., The only | Giddings (Austin Chalk, Gas) | Washington | 1 | 0 | 485K | Sep 1994 – Jul 2000 |
| Butler, Lillie K. G-3-170623 | Mitchell Energy Corporation only | Lake Creek, E. (Wilcox "G") | Montgomery | 1 | 0 | 127K | Sep 1998 – Jun 1999 |
| Butler, Lillie K. G-3-173115 | Sydri Operating, LLC only | Lake Creek (Wilcox Consolidated) | Montgomery | 1 | 0 | 1.52M | Mar 1999 – Mar 2019 |
| Butler, Lillie K. G-3-183066 | Daylight Petroleum LLC only | Lake Creek (Wilcox Lower) | Montgomery | 1 | 0 | 1.39M | Apr 2001 – Jul 2026 |
| Butler, Lillie K. G-3-184769 | Daylight Petroleum LLC only | Lake Creek (Wilcox Lower) | Montgomery | 1 | 0 | 1.82M | Jul 2001 – Jul 2026 |
| Shipnes-Butler G-3-186111 | Range Production Company only | Navasota River (Cretaceous Lwr.) | Washington | 1 | 0 | 67.2K | Aug 2001 – Aug 2008 |
| Butler Gas Unit G-3-227295 | M. J. G., Inc. only | Silver Plow (Yegua 6270) | Colorado | 1 | 0 | 16.3K | Sep 2006 – Dec 2008 |
| Butler G.U. G-3-230326 | M. J. G., Inc. only | Garwood, N. W. (5900) | Colorado | 1 | 0 | 203K | Mar 2007 – Oct 2009 |
| Butler Gas Unit G-3-250214 | Camoil, Inc. only | Silver Plow (Yegua 6270) | Colorado | 1 | 0 | 74.9K | Jun 2008 – Nov 2015 |
| Butler G-3-263197 | C & E Operating, Inc. only | Glasscock (Cockfield) | Colorado | 1 | 0 | 310K | Jan 2011 – Jul 2015 |
| Butler, Lillie K. G-3-286897 | Daylight Petroleum LLC only | Lake Creek (Chase) | Montgomery | 1 | 0 | 469K | Mar 2019 – Jul 2026 |
| Butler, D. Y. G-4-116126 | Mitchell Energy Corporation only | La Sal Vieja, E. (13600 Frio) | Willacy | 1 | 0 | 44.9K | Jan 1993 – Apr 1999 |
| Butler, Jack G-4-130167 | C.B. Production only | Paul White (y-19 Yegua) | Jim Wells | 1 | 0 | 144K | Jan 1993 – Jul 2026 |
| Butler G-4-230064 | Escudo Oil & Gas, LLC only | Flores (Vicksburg, Lower) | Hidalgo | 1 | 0 | 1.16M | Jul 2007 – Jul 2026 |