| Angela O-3-13875 | Geosouthern Energy Corporation only | Giddings (Austin Chalk-3) | Burleson | 1 | 6.14K | 41.7K | by Jan 1993 – Aug 2016 |
| Wendler Unit G-3-220428 | F.I.G. Energy, LLC only | Giddings (Austin Chalk, Gas) | Burleson | 1 | 6.06K | 230K | Jun 2005 – Jul 2015 |
| La Blanc O-3-19552 | Ads Oil & Gas, Inc. only | Hooker Creek (Navarro A) | Burleson | 1 | 6.06K | 26.2K | by Jan 1993 – Nov 2016 |
| Albrecht, Walter Unit O-3-14592 | Sage Energy Company only | Giddings (Austin Chalk-3) | Burleson | 1 | 6.06K | 57.8K | by Jan 1993 – Apr 1996 |
| Coffield "A" O-3-11960 | Rusk Energy Operating LLC only | Chriesman | Burleson | 1 | 6.04K | 65 | Sep 1997 – Aug 2026 |
| Cecelia - Bedford Unit O-3-23325 | Landmark Exploration Inc. only | Giddings (Austin Chalk-3) | Burleson | 1 | 6.02K | 141K | Nov 1996 – Jun 2001 |
| Charles J. Sebesta "B" Unit O-3-22941 | Apache Corporation only | Giddings (Austin Chalk-3) | Burleson | 1 | 5.95K | 268K | Feb 1996 – Sep 2005 |
| Pagel, Millie O-3-16185 | WCS Oil and Gas Corporation only | Giddings (Austin Chalk-3) | Burleson | 1 | 5.93K | 74.7K | by Jan 1993 – Jun 1999 |
| Praesel, Arthur O-3-9856 | Ernest Operating Company only | Briar Branch (Navarro) | Burleson | 1 | 5.91K | 47 | by Jan 1993 – Jun 2025 |
| Coffield -G- O-3-10446 | Rusk Energy Operating LLC only | Chriesman | Burleson | 1 | 5.9K | 123 | by Jan 1993 – Aug 2026 |
| Ubernosky, Herbert Unit O-3-14487 | Sage Energy Company only | Giddings (Austin Chalk-3) | Burleson | 1 | 5.9K | 81.5K | by Jan 1993 – Apr 1996 |
| Mr. Bob G-3-107537 | Southwest Resources, Inc. only | Giddings (Austin Chalk A) | Burleson | 1 | 5.89K | 226K | by Jan 1993 – Apr 2014 |
| Johnson, Oscar O-3-13266 | Shoreham Oil & Gas Company, Inc. only | Willard (Navarro) | Burleson | 2 | 5.83K | 11.5K | by Jan 1993 – Oct 2006 |
| Zwernemann Unit #1 O-3-15994 | Exxon Corp. only | Giddings (Austin Chalk-3) | Burleson | 1 | 5.77K | 25K | by Jan 1993 – Feb 1996 |
| Narwhal Unit O-3-24372 | Anadarko E&P Company LP only | Giddings (Austin Chalk-3) | Burleson | 1 | 5.76K | 2.78K | Sep 2002 – Jan 2003 |
| Marek No. 1 O-3-18096 | Westlands Resources Corporation only | Giddings (Austin Chalk-3) | Burleson | 1 | 5.76K | 62K | by Jan 1993 – Dec 2013 |
| Lewis Unit G-3-101640 | Chesapeake Operating, L.L.C. only | Giddings (Austin Chalk, Gas) | Burleson | 1 | 5.76K | 169K | by Jan 1993 – Jul 2020 |
| Crook, George H. O-3-12543 | Cox & Perkins Exploration, Inc. only | Caldwell (Austin Chalk) | Burleson | 2 | 5.73K | 56.4K | by Jan 1993 – Oct 1999 |
| Koehler, Leroy -a- Unit O-3-14539 | Seguro Well Service, Inc. only | Giddings (Austin Chalk-3) | Burleson | 1 | 5.59K | 116K | by Jan 1993 – Jan 2008 |
| Kacer-Polansky Unit O-3-13903 | Finley Resources, Inc. only | Giddings (Austin Chalk-3) | Burleson | 1 | 5.58K | 28.8K | by Jan 1993 – Nov 2004 |
| Morton O-3-13793 | Rusk Energy Operating LLC only | Inez Jameson (Navarro C) | Burleson | 2 | 5.58K | 23.5K | by Jan 1993 – Feb 2026 |
| Ballew-Hudson Unit O-3-20982 | Union Pacific Resources Company only | Giddings (Austin Chalk-3) | Burleson | 1 | 5.57K | 61.5K | by Jan 1993 – Oct 1994 |
| Fritze O-3-12171 | Ernest Operating Company only | Noack Cow Herd (3460) | Burleson | 2 | 5.57K | 43 | by Jan 1993 – Aug 2026 |
| Hamilton-Albrecht Unit O-3-16690 | Sage Energy Company only | Giddings (Austin Chalk-3) | Burleson | 1 | 5.55K | 79.8K | by Jan 1993 – Apr 1996 |
| Barnett, Curtis O-3-17644 | Senora Resources, Inc. only | Hooker Creek (Navarro A) | Burleson | 1 | 5.52K | 10.8K | by Jan 1993 – Nov 2015 |
| Jynnifer O-3-17144 | Partners Production, Inc. only | Giddings (Austin Chalk-3) | Burleson | 1 | 5.52K | 37.9K | by Jan 1993 – Sep 2001 |
| Tarver, Willie Lee Unit "A" O-3-15105 | Apache Corporation only | Caldwell (Austin Chalk) | Burleson | 1 | 5.52K | 11.2K | by Jan 1993 – May 1995 |
| Horak, Frank Unit O-3-13358 | Express Oil Co. only | Caldwell (Austin Chalk) | Burleson | 1 | 5.49K | 16.9K | by Jan 1993 – Jul 1995 |
| Lightsey, Walter #1 O-3-15473 | Union Pacific Resources Company only | Giddings (Austin Chalk-3) | Burleson | 1 | 5.47K | 3.1K | by Jan 1993 – Mar 1995 |
| Giesenschlag-Wuenscher Unit #1 O-3-21006 | Douglas Petroleum Inc. only | Giddings (Austin Chalk-3) | Burleson | 1 | 5.46K | 90.9K | by Jan 1993 – Apr 1999 |
| Zgabay "D" O-3-19264 | WCS Oil and Gas Corporation only | Giddings (Austin Chalk-3) | Burleson | 1 | 5.44K | 90.7K | by Jan 1993 – Feb 1996 |
| Porter, E.B. O-3-22062 | Williams, Clayton Energy, Inc. only | Giddings (Buda) | Burleson | 1 | 5.44K | 41.6K | Jun 1993 – Jul 2006 |
| Helweg, W. O-3-25165 | Wildfire Energy Operating LLC only | Giddings (Eagleford) | Burleson | 1 | 5.42K | 596 | May 2008 – Aug 2021 |
| Boulden, F. Unit O-3-14918 | Apache Corporation only | Giddings (Austin Chalk-3) | Burleson | 1 | 5.42K | 248K | by Jan 1993 – Apr 2008 |
| Giessel O-3-14189 | Ows Energy, Inc. only | Giddings (Austin Chalk-3) | Burleson | 1 | 5.39K | 52.6K | by Jan 1993 – Aug 1998 |
| Lilly Unit O-3-14709 | Union Pacific Resources Company only | Giddings (Austin Chalk-3) | Burleson | 1 | 5.38K | 25.2K | by Jan 1993 – Sep 1995 |
| Teague-Haddox Robbins Unit O-3-14175 | Kouatli, Aiman M. only | Caldwell (Austin Chalk) | Burleson | 1 | 5.37K | 179 | by Jan 1993 – Nov 2013 |
| Lehde, Bertha Unit O-3-13907 | Sage Energy Company only | Giddings (Austin Chalk-3) | Burleson | 1 | 5.35K | 35.4K | by Jan 1993 – Aug 1996 |
| Pecan Valley O-3-25017 | Kouatli, Aiman M. only | Giddings (Buda) | Burleson | 1 | 5.35K | 10.9K | Dec 2010 – Jul 2026 |
| Flencher O-3-27160 | Wildfire Energy Operating LLC only | Giddings (Austin Chalk-3) | Burleson | 1 | 5.31K | 28.2K | Nov 2016 – Jun 2019 |
| Edwards, R.W. "A" O-3-14593 | Exxon Corp. only | Giddings (Austin Chalk-3) | Burleson | 2 | 5.26K | 115K | by Jan 1993 – Aug 1997 |
| Clay Farms G-3-220415 | Proline Energy Resources Inc only | Giddings (Austin Chalk, Gas) | Burleson | 1 | 5.21K | 622K | May 2005 – Aug 2026 |
| Halcut, Alford O-3-18792 | Douglas Petroleum Inc. only | Caldwell, NE (Georgetown) | Burleson | 1 | 5.21K | 39 | by Jan 1993 – Jun 1998 |
| Matcek, Frank O-3-22646 | Williams, Clayton Energy, Inc. only | Giddings (Austin Chalk-3) | Burleson | 1 | 5.18K | 66.5K | Jan 1995 – Mar 1995 |
| Junek "A" O-3-13106 | Anadarko E&P Company LP only | Giddings (Austin Chalk-3) | Burleson | 1 | 5.17K | 43.1K | by Jan 1993 – Oct 2003 |
| Kate Unit O-3-15170 | Kouatli, Aiman M. only | Giddings (Austin Chalk-3) | Burleson | 1 | 5.14K | 33.4K | Jun 1993 – Jul 2026 |
| Watson, Mary O-3-22901 | Bar-Mac Investments Inc. only | Hooker Creek (Navarro A) | Burleson | 1 | 5.12K | 181K | Dec 1995 – Feb 2007 |
| Pierson O-3-18904 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Burleson | 2 | 5.11K | 18K | by Jan 1993 – May 1994 |
| Bryant, Leonard Unit O-3-14708 | Marwell Petroleum, Inc. only | Giddings (Austin Chalk-3) | Burleson | 1 | 5.08K | 297K | by Jan 1993 – Jan 1999 |
| Santa FE "A" O-3-14841 | Apache Corporation only | Giddings (Austin Chalk-3) | Burleson | 2 | 5.07K | 192K | by Jan 1993 – Jul 2007 |