| A&m Easterwood O-3-22968 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Brazos | 1 | 60.7K | 1.43M | Mar 1996 – Apr 2026 |
| Porterfield A O-3-28258 | Wildfire Energy Operating LLC only | Giddings (Eagleford) | Brazos | 1 | 60.2K | 23.4K | Jan 2026 – Mar 2026 |
| McFarlane-Moore Unit G-3-146056 | Southwest Resources, Inc. only | Clay, NE (Austin Chalk 11350) | Brazos | 1 | 60.1K | 1.51M | May 1993 – Sep 2013 |
| Vista Ridge "G" O-3-25618 | Northfield Enterprises, Inc. only | Giddings (Austin Chalk-3) | Brazos | 1 | 59.7K | 42.7K | Feb 2010 – Apr 2026 |
| Molitor Unit G-3-295820 | Wildfire Energy Operating LLC only | Giddings (Austin Chalk, Gas) | Brazos | 1 | 59.5K | 389K | Nov 2022 – Mar 2026 |
| Orlando Unit G-3-150978 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Brazos | 1 | 59.3K | 7.6M | Aug 1994 – Mar 2026 |
| Jr. Allen OL O-3-23971 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Brazos | 1 | 59.3K | 421K | Mar 2001 – Apr 2026 |
| Wilson, James D. Unit #4 O-3-15787 | Wildfire Energy Operating LLC only | Kurten (Woodbine) | Brazos | 1 | 59.1K | 25.9K | Jan 1993 – Mar 2020 |
| Franze O-3-27100 | Holley Oil Company, LLC only | Kurten (Buda) | Brazos | 1 | 59.1K | 148K | Sep 2015 – Apr 2026 |
| Feather Crest Farms O-3-22876 | Vess Oil Corporation only | Giddings (Austin Chalk-3) | Brazos | 1 | 58.4K | 32.6K | Sep 1995 – Apr 2026 |
| Freeman-Creagor Unit O-3-22324 | Enervest Operating, L.L.C. only | Giddings (Austin Chalk-3) | Brazos | 1 | 58.3K | 944K | Feb 1994 – Dec 2012 |
| Megan O-3-25428 | Wildfire Energy Operating LLC only | Giddings (Buda) | Brazos | 1 | 57.9K | 1.37M | Jan 2009 – Mar 2026 |
| Bukowski-Bienski Unit O-3-21384 | Union Pacific Resources Company only | Giddings (Austin Chalk-3) | Brazos | 1 | 57.5K | 262K | Jan 1993 – Jun 2000 |
| Bell Unit G-3-294554 | Wildfire Energy Operating LLC only | Giddings (Austin Chalk, Gas) | Brazos | 1 | 56.8K | 483K | May 2022 – Mar 2026 |
| Moore, H. H. Estate Unit G-3-144416 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk, Gas) | Brazos | 1 | 56.7K | 1.22M | Feb 1993 – Nov 2004 |
| Vilas-Moore G-3-148290 | Verdun Oil & Gas LLC only | Giddings (Austin Chalk, Gas) | Brazos | 1 | 56.6K | 3.17M | Jan 1994 – Mar 2026 |
| Scott-Ruesink Unit O-3-21182 | Union Pacific Resources Company only | Kurten (Buda) | Brazos | 1 | 56.6K | 57.7K | Jan 1993 – Aug 1997 |
| A&m Easterwood O-3-23239 | Magnolia Oil & Gas Operating LLC only | Kurten (Buda) | Brazos | 1 | 56.4K | 1.14M | Mar 1997 – Nov 2024 |
| Wineman AC O-3-26691 | Wildfire Energy Operating LLC only | Giddings (Austin Chalk-3) | Brazos | 1 | 56.1K | 173K | Oct 2014 – Mar 2026 |
| Cannon-Chance Unit G-3-146964 | Rme Petroleum Company only | Giddings (Austin Chalk, Gas) | Brazos | 1 | 55.8K | 625K | Jun 1993 – Jan 2001 |
| International Shoe O-3-24442 | Martineau Petroleum, Inc. only | Giddings (Austin Chalk-3) | Brazos | 1 | 55.8K | 424K | Sep 2003 – Feb 2008 |
| Williams Minerals C O-3-26356 | Wildfire Energy Operating LLC only | Giddings (Buda) | Brazos | 1 | 55.4K | 22.9K | Jun 2013 – Mar 2026 |
| Ruffino, Preston Jr. "a" Unit O-3-22847 | Anadarko E&P Company LP only | Caldwell, NE (Georgetown) | Brazos | 1 | 55.3K | 61.9K | Jun 1995 – Nov 2003 |
| Scasta-Milberger Unit O-3-22455 | Wildfire Energy Operating LLC only | Giddings (Buda) | Brazos | 1 | 55.2K | 2.87K | May 1994 – Aug 2024 |
| Big River O-3-19497 | Endeavor Energy Resources L.P. only | Caldwell, NE (Georgetown) | Brazos | 1 | 55.2K | 39.2K | Jan 1993 – Jul 2007 |
| Newberry, M.S. "E" O-3-20762 | Wildfire Energy Operating LLC only | Kurten (Austin Chalk) | Brazos | 1 | 55.2K | 76.5K | Jan 1993 – Oct 2019 |
| Whitmore O-3-22241 | Brammer Petroleum, Inc. only | Giddings (Austin Chalk-3) | Brazos | 1 | 55K | 164K | Dec 1993 – Aug 2011 |
| Lightsey O-3-21541 | BBL Operating Company LLC only | Giddings (Austin Chalk-3) | Brazos | 2 | 54.9K | 366K | Jan 1993 – Feb 2014 |
| Varisco, A. Estate "A" O-3-20639 | Wildfire Energy Operating LLC only | Kurten (Austin Chalk) | Brazos | 1 | 54.8K | 62.4K | Jan 1993 – Mar 2019 |
| Keller O-3-17234 | Bexco Operating, Inc. only | Kurten (Buda) | Brazos | 1 | 54.7K | 95.6K | Jan 1993 – Nov 2011 |
| Wheeler, Bert O-3-25380 | Wildfire Energy Operating LLC only | Giddings (Austin Chalk-3) | Brazos | 1 | 54.5K | 42.3K | Nov 2008 – May 2025 |
| Mathis O-3-19376 | Wildfire Energy Operating LLC only | Caldwell (Austin Chalk) | Brazos | 1 | 54.5K | 306K | Jan 1993 – Mar 2026 |
| Endler Unit O-3-24945 | Wildfire Energy Operating LLC only | Kurten (Buda) | Brazos | 1 | 54.1K | 16K | Jun 2006 – Mar 2025 |
| Dunlap-Keyser Unit G-3-148011 | Enervest Operating, L.L.C. only | Giddings (Austin Chalk, Gas) | Brazos | 1 | 54K | 1.77M | Nov 1993 – May 1998 |
| Payne Unit O-3-26493 | Vess Oil Corporation only | Madisonville, W. (Woodbine -A-) | Brazos | 1 | 54K | 14.3K | Mar 2014 – Apr 2026 |
| Moore, Robert Unit G-3-156775 | Verdun Oil & Gas LLC only | Clay, NE (Austin Chalk 11350) | Brazos | 1 | 53.7K | 1.56M | Aug 1995 – Mar 2026 |
| Tison-Geudry Unit G-3-146847 | Enervest Operating, L.L.C. only | Giddings (Austin Chalk, Gas) | Brazos | 1 | 53.7K | 899K | Sep 1993 – Oct 2007 |
| Moore, R. Estate Unit G-3-157900 | Verdun Oil & Gas LLC only | Clay, NE (Austin Chalk 11350) | Brazos | 1 | 53.5K | 1.25M | Mar 1996 – Mar 2026 |
| Dix Unit O-3-21631 | B.W.O.C., Inc. only | Giddings (Austin Chalk-3) | Brazos | 1 | 53.4K | 274K | Jan 1993 – Nov 2000 |
| Oliver F. Goen Unit O-3-21675 | Union Pacific Resources Company only | Giddings (Austin Chalk-3) | Brazos | 1 | 53.3K | 359K | Jan 1993 – Jul 1998 |
| Jones, E.E. Unit 1 O-3-11920 | CML Exploration, LLC only | Kurten (Woodbine) | Brazos | 1 | 53.1K | 11.2K | Jan 1993 – Apr 2026 |
| Mary Walker Unit O-3-21358 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Brazos | 1 | 52.6K | 376K | Jan 1993 – Apr 2012 |
| Wheeler "B" O-3-21587 | Enervest Operating, L.L.C. only | Giddings (Austin Chalk-3) | Brazos | 1 | 52.4K | 476K | Jan 1993 – Aug 2003 |
| Waltman O-3-21179 | B.W.O.C., Inc. only | Giddings (Austin Chalk-3) | Brazos | 1 | 52.1K | 344K | Jan 1993 – Nov 2000 |
| Varisco, A. Estate O-3-20638 | Wildfire Energy Operating LLC only | Kurten (Austin Chalk) | Brazos | 1 | 51.9K | 82.2K | Jan 1993 – May 2019 |
| Wolters Unit O-3-21745 | Sage Energy Company only | Giddings (Austin Chalk-3) | Brazos | 1 | 51.9K | 368K | Jan 1993 – Aug 1997 |
| Vince Court Unit A O-3-18369 | Apache Corporation only | Kurten (Buda) | Brazos | 1 | 51.8K | 90.7K | Jan 1993 – Feb 2008 |
| Lyons G-3-144907 | Moore Petroleum Service, Inc. only | Clay, NE (Austin Chalk 11350) | Brazos | 1 | 51.6K | 1.06M | Jan 1993 – Oct 1995 |
| Ashlock Unit O-3-21848 | Williams, Clayton Energy, Inc. only | Kurten (Buda) | Brazos | 1 | 51.5K | 30.9K | Jan 1993 – Jan 1997 |
| Weedon-Weedon Unit O-3-21123 | Enervest Operating, L.L.C. only | Giddings (Austin Chalk-3) | Brazos | 2 | 51.4K | 457K | Jan 1993 – Mar 2002 |