| McFarland-McFarland Unit O-3-20773 | Merica Oil Operating Company LLC only | Giddings (Austin Chalk-3) | Burleson | 1 | 19.8K | 210K | by Jan 1993 – Jul 2019 |
| Tatum-Tatum Unit O-3-20822 | Kouatli, Aiman M. only | Giddings (Austin Chalk-3) | Burleson | 1 | 19.8K | 233K | by Jan 1993 – Jul 2026 |
| Morton, Johnny O-3-11790 | Ernest Operating Company only | Willard (Navarro) | Burleson | 2 | 19.6K | 46 | by Jan 1993 – Aug 2026 |
| Wilkins, Mabel G-3-192027 | Southwest Resources, Inc. only | Clay, NE (Austin Chalk 11350) | Burleson | 1 | 19.6K | 1.1M | Nov 2001 – Apr 2022 |
| Circle C No. 1 O-3-14200 | Landmark Exploration Inc. only | Giddings (Austin Chalk-3) | Burleson | 1 | 19.6K | 61.8K | by Jan 1993 – Aug 2005 |
| Knesek-Bohacek Unit O-3-23350 | Akg Operating Company only | Giddings (Austin Chalk-3) | Burleson | 1 | 19.6K | 73.9K | Sep 1997 – May 1999 |
| Mauldin, Monroe O-3-11228 | Rein Pusher Operating LLC only | Milbur, SE. (Navarro -A-) | Burleson | 1 | 19.5K | 33 | by Jan 1993 – Dec 2023 |
| M. & E. Unit O-3-17579 | Rusk Energy Operating LLC only | Hooker Creek (Navarro A) | Burleson | 1 | 19.3K | 41 | by Jan 1993 – Sep 2025 |
| Keyz(t-547) O-3-12031 | Tracy Operating Co., LLC only | Willard (Navarro) | Burleson | 3 | 19.3K | 2.14K | by Jan 1993 – Aug 2026 |
| Pittman, Oscar Unit O-3-15021 | Union Pacific Resources Company only | Giddings (Austin Chalk-3) | Burleson | 1 | 19.3K | 36.2K | by Jan 1993 – May 1996 |
| Coffield-Russell Unit O-3-10994 | Rusk Energy Operating LLC only | Inez Jameson (Navarro) | Burleson | 1 | 19.3K | 22K | by Jan 1993 – Aug 2026 |
| Nemecek Unit O-3-13398 | Mission Resources Corporation only | Giddings (Austin Chalk-3) | Burleson | 1 | 19.3K | 311K | by Jan 1993 – Nov 2000 |
| Chmelar, Frank O-3-13404 | Landmark Exploration Inc. only | Giddings (Austin Chalk-3) | Burleson | 1 | 19.2K | 257K | by Jan 1993 – Aug 2002 |
| Mynar, Edward Unit O-3-14674 | Wildfire Energy Operating LLC only | Giddings (Austin Chalk-3) | Burleson | 1 | 19.2K | 123K | by Jan 1993 – Jun 2018 |
| Husie O-3-23258 | Chesapeake Operating, L.L.C. only | Hooker Creek (Navarro A) | Burleson | 1 | 19.2K | 132K | Jul 1997 – Mar 2017 |
| Loehr, R. a Unit O-3-18901 | Anadarko E&P Company LP only | Giddings (Austin Chalk-3) | Burleson | 1 | 19.1K | 117K | by Jan 1993 – Nov 2000 |
| Spearman, Robt. "B" O-3-24235 | Wildfire Energy Operating LLC only | Giddings (Buda) | Burleson | 1 | 19.1K | 29.4K | Jan 2001 – Jul 2001 |
| Griffin O-3-22366 | Ernest Operating Company only | Hooker Creek (Navarro A) | Burleson | 1 | 19.1K | 227K | Apr 1994 – Aug 2026 |
| Knolle Georgetown G.U. G-3-145090 | Wildfire Energy Operating LLC only | Lyons (Georgetown) | Burleson | 1 | 19K | 560K | Mar 1993 – Jul 2026 |
| Plemper-Walsh Unit O-3-12553 | Kouatli, Aiman M. only | Caldwell (Austin Chalk) | Burleson | 1 | 19K | 107K | by Jan 1993 – Jul 2026 |
| Crook Unit O-3-20862 | Cox & Perkins Exploration, Inc. only | Caldwell (Austin Chalk) | Burleson | 2 | 19K | 345K | by Jan 1993 – Oct 2003 |
| M. Scamardo-Scamardo Unit O-3-21307 | Union Pacific Resources Company only | Giddings (Austin Chalk-3) | Burleson | 1 | 19K | 194K | by Jan 1993 – Mar 1997 |
| Marcy Unit O-3-18290 | Jessco Energy Inc only | Giddings (Austin Chalk-3) | Burleson | 1 | 18.9K | 441K | by Jan 1993 – Jun 2013 |
| Morello, Matt el Al O-3-13023 | B D Production Co., Inc. only | Caldwell (Austin Chalk) | Burleson | 1 | 18.9K | 3.17K | by Jan 1993 – Aug 2021 |
| Loehr, Andrew O-3-14192 | Wildfire Energy Operating LLC only | Giddings (Austin Chalk-3) | Burleson | 2 | 18.8K | 72.8K | by Jan 1993 – Mar 2000 |
| Giesenschlag-Jakubik Unit O-3-21564 | Apache Corporation only | Giddings (Austin Chalk-3) | Burleson | 1 | 18.8K | 136K | by Jan 1993 – May 2000 |
| Dillon, Don et Al O-3-25134 | Anadarko E&P Onshore LLC only | Cooks Point (Woodbine) | Burleson | 1 | 18.8K | 54.4K | Mar 2008 – Mar 2015 |
| Crittenden, R. J. -X- O-3-10228 | Rusk Energy Operating LLC only | Burmil (Navarro B) | Burleson | 2 | 18.7K | 0 | Jan 2011 – Mar 2026 |
| Coffield B-7A"A" O-3-11867 | Betro, Inc. only | Noack Cowherd, NE (3400) | Burleson | 2 | 18.7K | 30K | by Jan 1993 – Aug 2026 |
| Lakeview Development Corp. -A- O-3-17545 | Adams Resources Expl. Corp. only | Giddings (Austin Chalk-3) | Burleson | 1 | 18.6K | 394K | Jan 1996 – Apr 2015 |
| Clay Farms G-3-202564 | Proline Energy Resources Inc only | Giddings (Austin Chalk, Gas) | Burleson | 1 | 18.6K | 1.34M | Mar 2004 – Aug 2026 |
| Lewis #2 O-3-17779 | Atlas Operating LLC only | Hooker Creek (Navarro B) | Burleson | 1 | 18.5K | 618 | by Jan 1993 – Aug 2026 |
| Alley, W. E. Unit O-3-13339 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Burleson | 1 | 18.4K | 110K | by Jan 1993 – Aug 2026 |
| Coffman-Coffman Unit O-3-21595 | Union Pacific Resources Company only | Giddings (Austin Chalk-3) | Burleson | 1 | 18.3K | 123K | by Jan 1993 – Mar 1996 |
| Kuttler-Kuttler Unit O-3-21722 | Rme Petroleum Company only | Giddings (Austin Chalk-3) | Burleson | 1 | 18.3K | 161K | by Jan 1993 – Aug 2000 |
| Giesenschlag, W. H. O-3-13625 | Wildfire Energy Operating LLC only | Giddings (Austin Chalk-3) | Burleson | 2 | 18.2K | 474K | by Jan 1993 – Feb 2006 |
| Forrest Small Unit O-3-14062 | Wildfire Energy Operating LLC only | Giddings (Austin Chalk-3) | Burleson | 1 | 18.2K | 116K | by Jan 1993 – Mar 2016 |
| Rust-Dean Unit O-3-14164 | Sage Energy Company only | Giddings (Austin Chalk-3) | Burleson | 2 | 18.2K | 196K | by Jan 1993 – Sep 1996 |
| Cook, L.D. O-3-16273 | Kouatli, Aiman M. only | Giddings (Austin Chalk-3) | Burleson | 1 | 18.2K | 255 | by Jan 1993 – Jul 2026 |
| Pagel "A" O-3-12913 | B D Production Co., Inc. only | Caldwell (Austin Chalk) | Burleson | 1 | 18.2K | 223K | by Jan 1993 – Mar 2020 |
| Rex Tyson Jr O-3-27599 | Wildfire Energy Operating LLC only | Giddings (Eagleford) | Burleson | 1 | 18.1K | 36.9K | Jun 2019 – Jul 2026 |
| Coffield-Winston "B" O-3-14581 | Betro, Inc. only | Inez Jameson (Navarro -A-) | Burleson | 3 | 18.1K | 89.8K | by Jan 1993 – Aug 2026 |
| Evans O-3-15289 | McDaniel Company, Inc., The only | Stone City (Austin Chalk) | Burleson | 1 | 18.1K | 107K | by Jan 1993 – Oct 2001 |
| Black Lake #1 O-3-15915 | Anadarko E&P Company LP only | Giddings (Austin Chalk-3) | Burleson | 1 | 18K | 81.1K | by Jan 1993 – Jul 2003 |
| Cotrone-Jewish Welfare Unit O-3-22744 | Williams, Clayton Energy, Inc. only | Giddings (Buda) | Burleson | 1 | 17.9K | 5.9K | May 1995 – Jul 1996 |
| Willard, Morton O-3-16989 | Ernest Operating Company only | Inez Jameson (Navarro -A-) | Burleson | 1 | 17.9K | 48.7K | by Jan 1993 – Aug 2026 |
| Poehl, R.D. Unit O-3-11972 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Burleson | 1 | 17.9K | 82.4K | by Jan 1993 – Aug 2026 |
| Poe O-3-16379 | WCS Oil and Gas Corporation only | Giddings (Austin Chalk-3) | Burleson | 1 | 17.7K | 76.6K | by Jan 1993 – Sep 1999 |
| Buffalo Ranch O-3-22334 | Apache Corporation only | Giddings (Austin Chalk-3) | Burleson | 1 | 17.6K | 228K | Jan 1994 – Jan 1998 |
| Schrader-Stonehenge Unit O-3-21061 | Cox & Perkins Exploration, Inc. only | Caldwell (Austin Chalk) | Burleson | 1 | 17.6K | 285K | by Jan 1993 – Nov 2002 |