| Smith-Mohawk Unit G-3-162510 | Ogden Resources, Ltd. only | Kurten (Georgetown) | Brazos | 1 | 10.3K | 487K | Feb 1997 – Feb 2008 |
| Carter O-3-21521 | Mineral Technologies, Inc. only | Giddings (Austin Chalk-3) | Brazos | 1 | 10.3K | 22.4K | Jan 1993 – Sep 1997 |
| Blue Shark WB O-3-28270 | Wildfire Energy Operating LLC only | Madisonville, W. (Woodbine -A-) | Brazos | 1 | 10.3K | 2.52K | Feb 2026 – Mar 2026 |
| Big River O-3-25019 | Endeavor Energy Resources L.P. only | Giddings (Buda) | Brazos | 1 | 10.3K | 10K | Aug 2007 – Oct 2014 |
| Hill, Gifford O-3-17811 | Apache Corporation only | Caldwell, NE (Georgetown) | Brazos | 2 | 10.3K | 5.86K | Apr 1993 – Apr 1997 |
| Newberry O-3-23662 | Anadarko E&P Company LP only | Caldwell, NE (Georgetown) | Brazos | 1 | 10.1K | 14.7K | Apr 1999 – Mar 2002 |
| Florence O-3-18765 | Cago, Inc. only | Kurten (Buda) | Brazos | 1 | 9.84K | 9K | Jan 1993 – Sep 1999 |
| Pam -K- O-3-18407 | Aj's Pump Truck Service, Inc. only | Kurten (Buda) | Brazos | 1 | 9.84K | 40 | Jan 1993 – May 2013 |
| Peters G-3-161371 | 7711 Corporation, The only | Iola (Georgetown) | Brazos | 1 | 9.73K | 548K | Nov 1996 – Jan 2011 |
| Jolly Unit G-3-164160 | Atlas Operating LLC only | Giddings (Austin Chalk, Gas) | Brazos | 1 | 9.7K | 5.82M | Mar 1997 – Mar 2026 |
| Laura-Nichole O-3-24081 | Holley Oil Company, LLC only | Kurten (Buda) | Brazos | 1 | 9.7K | 115K | Nov 2001 – Apr 2002 |
| Reser-Sanders Unit O-3-25333 | Apache Corporation only | Giddings (Eagleford) | Brazos | 1 | 9.4K | 37.8K | Feb 2009 – Feb 2016 |
| Wade, L. S. G-3-142332 | Rme Petroleum Company only | Giddings (Austin Chalk, Gas) | Brazos | 1 | 9.33K | 299K | Jan 1993 – Apr 1999 |
| Vista Ridge B O-3-20087 | Northfield Enterprises, Inc. only | Kurten (Buda) | Brazos | 1 | 9.32K | 5.31K | Jan 1993 – Mar 2020 |
| Frost O-3-22268 | Wooldridge Oil & Gas only | Giddings (Austin Chalk-3) | Brazos | 1 | 9.25K | 28.4K | Sep 1993 – Jun 1997 |
| Weido Unit O-3-25959 | Ogden Resources Corporation only | Giddings (Buda) | Brazos | 1 | 9.14K | 35.5K | Mar 2012 – Feb 2018 |
| Myers Cattle Unit G-3-167195 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Brazos | 1 | 9.09K | 1.38M | Sep 1997 – Apr 2026 |
| Sebesta Bros. O-3-26891 | Dartex Energy Corporation only | Aggieland (Woodbine) | Brazos | 1 | 9.01K | 85.6K | Feb 2015 – Oct 2020 |
| Watson, H.E. Oil Unit O-3-15714 | Cameron Engineering, Inc only | Bryan, N. (Georgetown) | Brazos | 1 | 8.98K | 38.7K | Jun 1993 – Jan 2003 |
| Dittfurth O-3-18890 | Douglas Petroleum Inc. only | Kurten (Buda) | Brazos | 1 | 8.97K | 84 | Jan 1993 – Jan 2001 |
| Zajicek Unit 1 O-3-19478 | Patterson Petroleum LLC only | Kurten (Woodbine) | Brazos | 1 | 8.94K | 60K | Jan 1993 – Feb 1997 |
| Cutbirth "C" O-3-20298 | Cago, Inc. only | Kurten (Buda) | Brazos | 1 | 8.91K | 11.9K | Jan 1993 – Jun 2002 |
| Risinger-Freeman Unit O-3-21787 | Union Pacific Resources Company only | Giddings (Austin Chalk-3) | Brazos | 1 | 8.89K | 16.4K | Jan 1993 – Jan 1995 |
| McFarlane-McFarlane 1RE O-3-24310 | Ogden Resources, Ltd. only | Giddings (Austin Chalk-3) | Brazos | 2 | 8.64K | 179K | Jan 2003 – Mar 2007 |
| Wintershall-Arhopulos Unit G-3-141476 | Williams, Clayton Energy, Inc. only | Giddings (Austin Chalk, Gas) | Brazos | 1 | 8.62K | 413K | Jan 1993 – Nov 1994 |
| Weedon-Weedon B G-3-175106 | Magnolia Oil & Gas Operating LLC only | Kurten (Georgetown) | Brazos | 1 | 8.58K | 289K | Jul 1999 – Mar 2015 |
| Yeager, S. T. Unit O-3-24153 | B.W.O.C., Inc. only | Giddings (Austin Chalk-3) | Brazos | 1 | 8.57K | 10.8K | Jan 2002 – Dec 2004 |
| A. M. Holligan Unit G-3-160219 | Enervest Operating, L.L.C. only | Iola (Georgetown) | Brazos | 1 | 8.48K | 430K | Aug 1996 – Mar 2004 |
| Rock Prairie Unit O-3-22674 | Snyder Oil Corporation only | Giddings (Austin Chalk-3) | Brazos | 1 | 8.42K | 44.5K | Feb 1995 – Dec 1995 |
| Angonia-Porterfield O-3-18418 | Petrocraft Energy, LLC only | Aggieland (Woodbine) | Brazos | 1 | 8.38K | 47 | Mar 1993 – Dec 2017 |
| Hill, Gifford O-3-23230 | Apache Corporation only | Giddings (Austin Chalk-3) | Brazos | 1 | 8.36K | 16.2K | Jun 1997 – Feb 2004 |
| Fitch Unit O-3-21634 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Brazos | 1 | 8.28K | 4.34K | Jan 1993 – Jun 2024 |
| Casey O-3-25632 | 7711 Corporation, The only | Giddings (Buda) | Brazos | 1 | 8.26K | 2.05K | Jul 2007 – Jul 2009 |
| Ferreri, Joe A. O-3-16626 | Shidler, Mark L., Inc. only | Bryan (Austin Chalk) | Brazos | 1 | 8.22K | 19.7K | Jan 1993 – Oct 2000 |
| Scarpinato, B. O-3-18139 | Howell Petroleum Corporation only | Kurten (Buda) | Brazos | 1 | 8.12K | 5.25K | Jan 1993 – Oct 1995 |
| Adkins Unit O-3-16386 | Andrus Resources Corporation only | Kurten (Buda) | Brazos | 1 | 8.09K | 36.9K | Jan 1993 – Mar 1999 |
| Buchanan, R. Unit 1 O-3-17098 | CML Exploration, LLC only | Kurten (Buda) | Brazos | 1 | 8.04K | 2.71K | Jan 1993 – Mar 2026 |
| Cargill O-3-21354 | Harvey, Mike W. Oil & Gas only | Giddings (Austin Chalk-3) | Brazos | 1 | 7.99K | 19K | Mar 1993 – Sep 1996 |
| Salpetro-Penicka Unit O-3-21175 | Union Pacific Resources Company only | Giddings (Austin Chalk-3) | Brazos | 1 | 7.97K | 26.8K | Jan 1993 – Mar 1994 |
| Allen, Henry L. G-3-249251 | Magnolia Oil & Gas Operating LLC only | Navasota River (Cretaceous Lwr.) | Brazos | 1 | 7.86K | 576K | Aug 2008 – Apr 2026 |
| Emola Unit O-3-17456 | Union Pacific Resources Company only | Kurten (Buda) | Brazos | 1 | 7.7K | 3.85K | Jan 1993 – Aug 1995 |
| Wolf O-3-17945 | Dynamic Production, Inc. only | Bryan, N. (Georgetown) | Brazos | 1 | 7.53K | 15.7K | Jan 1993 – Sep 1997 |
| Ritchey, W.H. O-3-16713 | Pasture Production Company only | Kurten (Buda) | Brazos | 1 | 7.47K | 33.9K | Jan 1993 – Oct 2003 |
| Olden-Paull Unit G-3-250056 | Magnolia Oil & Gas Operating LLC only | Giddings (Georgetown, Gas) | Brazos | 1 | 7.39K | 347K | Oct 2008 – Apr 2026 |
| Armstrong G-3-153613 | Baker, Brent Oil & Gas, Inc. only | Giddings (Austin Chalk, Gas) | Brazos | 1 | 7.39K | 1.04M | Jan 1995 – Jan 2025 |
| McGruder-Anderson Unit O-3-21934 | Williams, Clayton Energy, Inc. only | Giddings (Buda) | Brazos | 1 | 7.35K | 15K | Mar 1993 – Mar 1993 |
| Matejka, Bennie O-3-16451 | Cago, Inc. only | Kurten (Buda) | Brazos | 1 | 7.26K | 163 | Jan 1993 – Oct 1999 |
| Komar Unit O-3-18209 | TC3 Energy Services Company only | Kurten (Buda) | Brazos | 1 | 7.24K | 45 | Jan 1993 – Feb 1997 |
| Odom, Henry K. #1 O-3-27508 | Proven Natural Resources LLC only | Madisonville, W. (Woodbine -A-) | Brazos | 3 | 7.09K | 20.7K | May 2017 – Apr 2026 |
| Ransom Unit O-3-16721 | Cumming Company, Inc. The only | Bryan, N. (Georgetown) | Brazos | 1 | 6.98K | 3.44K | Sep 1995 – Dec 2010 |