| Milberger Unit O-3-22604 | Williams, Clayton Energy, Inc. | Giddings (Austin Chalk-3) | Burleson | 1 | 280K | 117K | Dec 1994 – Oct 2003 |
| Porter-Bowden Unit O-3-22957 | Williams, Clayton Energy, Inc. | Giddings (Austin Chalk-3) | Burleson | 1 | 207K | 312K | Feb 1996 – Nov 2002 |
| Brown - Accurso Unit O-3-21044 | Williams, Clayton Energy, Inc. | Giddings (Austin Chalk-3) | Burleson | 1 | 47.7K | 375K | Jan 1993 – Sep 2011 |
| Pete Scarmardo Unit O-3-20984 | Williams, Clayton Energy, Inc. | Giddings (Austin Chalk-3) | Burleson | 1 | 45K | 168K | Jan 1993 – Apr 2005 |
| Gold, Mary "A" O-3-15216 | Williams, Clayton Energy, Inc. | Giddings (Austin Chalk-3) | Burleson | 2 | 41.4K | 420K | Jan 1993 – Mar 2001 |
| Eagleton Unit O-3-22583 | Williams, Clayton Energy, Inc. | Giddings (Austin Chalk-3) | Burleson | 1 | 30.4K | 10.1K | Nov 1994 – Jul 1999 |
| Porter-Trask O-3-23910 | Williams, Clayton Energy, Inc. | Giddings (Austin Chalk-3) | Burleson | 1 | 25.3K | 27.6K | May 2000 – May 2002 |
| Matcek-Mitchell Unit O-3-13925 | Williams, Clayton Energy, Inc. | Giddings (Austin Chalk-3) | Burleson | 1 | 23.5K | 235K | Jan 1993 – Mar 2001 |
| Gold, Mary O-3-15320 | Williams, Clayton Energy, Inc. | Giddings (Austin Chalk-3) | Burleson | 2 | 21K | 262K | Jan 1993 – Mar 2001 |
| Cotrone-Jewish Welfare Unit O-3-22744 | Williams, Clayton Energy, Inc. | Giddings (Buda) | Burleson | 1 | 17.9K | 5.9K | May 1995 – Jul 1996 |
| Piwonka-Matcek Unit O-3-15142 | Williams, Clayton Energy, Inc. | Giddings (Austin Chalk-3) | Burleson | 1 | 16.2K | 146K | Jan 1993 – Mar 2001 |
| Ryan, W.H. "A" O-3-14981 | Williams, Clayton Energy, Inc. | Giddings (Austin Chalk-3) | Burleson | 2 | 14.6K | 155K | Jan 1993 – Mar 2001 |
| Peters, Alwine O-3-15273 | Williams, Clayton Energy, Inc. | Giddings (Austin Chalk-3) | Burleson | 1 | 12.9K | 94.7K | Jan 1993 – Apr 2003 |
| Lewis-Monical O-3-23375 | Williams, Clayton Energy, Inc. | Giddings (Buda) | Burleson | 1 | 11.2K | 3.94K | Oct 1997 – Jul 2006 |
| Kachtik, Thomas Unit O-3-15850 | Williams, Clayton Energy, Inc. | Giddings (Austin Chalk-3) | Burleson | 1 | 10.4K | 261K | Jan 1993 – Mar 2001 |
| Matcek, Joseph Unit O-3-15312 | Williams, Clayton Energy, Inc. | Giddings (Austin Chalk-3) | Burleson | 1 | 9.79K | 178K | Jan 1993 – Oct 1999 |
| Gold-Ryan Unit O-3-15470 | Williams, Clayton Energy, Inc. | Giddings (Austin Chalk-3) | Burleson | 1 | 9.56K | 44.1K | Jan 1993 – Oct 1999 |
| Gold-Piwonka Unit O-3-15143 | Williams, Clayton Energy, Inc. | Giddings (Austin Chalk-3) | Burleson | 1 | 9.14K | 102K | Jan 1993 – Mar 2001 |
| Kazmir-Matcek Unit "A" O-3-14866 | Williams, Clayton Energy, Inc. | Giddings (Austin Chalk-3) | Burleson | 1 | 8.69K | 88.2K | Jan 1993 – Mar 2001 |
| Kazmir-Matcek Unit "B" O-3-15811 | Williams, Clayton Energy, Inc. | Giddings (Austin Chalk-3) | Burleson | 1 | 8.55K | 117K | Jan 1993 – Jul 2000 |
| Sealy Smith Unit G-3-148181 | Williams, Clayton Energy, Inc. | Giddings (Austin Chalk, Gas) | Burleson | 1 | 7.75K | 213K | Jan 1994 – Jan 2002 |
| Gloyna, W. E. O-3-15384 | Williams, Clayton Energy, Inc. | Caldwell (Austin Chalk) | Burleson | 1 | 6.39K | 39 | Jan 1993 – Oct 2000 |
| Porter, E.B. O-3-22062 | Williams, Clayton Energy, Inc. | Giddings (Buda) | Burleson | 1 | 5.44K | 41.6K | Jun 1993 – Jul 2006 |
| Matcek, Frank O-3-22646 | Williams, Clayton Energy, Inc. | Giddings (Austin Chalk-3) | Burleson | 1 | 5.18K | 66.5K | Jan 1995 – Mar 1995 |
| Matcek, Frank Unit O-3-15141 | Williams, Clayton Energy, Inc. | Giddings (Austin Chalk-3) | Burleson | 1 | 4.88K | 116K | Jan 1993 – Feb 2004 |
| Brinkman, Bernice O-3-14311 | Williams, Clayton Energy, Inc. | Giddings (Austin Chalk-3) | Burleson | 1 | 4.43K | 53K | Jan 1993 – May 2000 |
| Birch Creek Ranch O-3-13837 | Williams, Clayton Energy, Inc. | Giddings (Austin Chalk-3) | Burleson | 2 | 3.96K | 84.3K | Jan 1993 – Jun 1999 |
| Heine, J.W. O-3-16607 | Williams, Clayton Energy, Inc. | Giddings (Austin Chalk-3) | Burleson | 1 | 3.08K | 77.5K | Jan 1993 – Jun 1999 |
| Machann, Frank O-3-16765 | Williams, Clayton Energy, Inc. | Giddings (Austin Chalk-3) | Burleson | 1 | 2.67K | 73.4K | Jan 1993 – Jan 1995 |
| Joseph Matcek Unit O-3-23782 | Williams, Clayton Energy, Inc. | Giddings (Austin Chalk-3) | Burleson | 1 | 1.09K | 18.4K | Feb 2000 – Mar 2001 |
| Kazmir-Matcek Unit B O-3-23887 | Williams, Clayton Energy, Inc. | Giddings (Austin Chalk-3) | Burleson | 1 | 793 | 7.48K | Aug 2000 – Mar 2001 |
| See, John O-3-15100 | Williams, Clayton Energy, Inc. | Giddings (Austin Chalk-3) | Burleson | 2 | 426 | 11.4K | Jan 1993 – Apr 1994 |
| Matcek, Joseph Unit G-3-175820 | Williams, Clayton Energy, Inc. | Giddings (Austin Chalk, Gas) | Burleson | 1 | 104 | 4.24K | Nov 1999 – Feb 2000 |
| See, John G-3-149262 | Williams, Clayton Energy, Inc. | Giddings (Austin Chalk, Gas) | Burleson | 1 | 103 | 2.42K | May 1994 – Feb 1995 |
| Matcek, Frank G-3-143659 | Williams, Clayton Energy, Inc. | Giddings (Austin Chalk, Gas) | Burleson | 1 | 1 | 1.14K | Jan 1993 – Sep 1993 |
| Smith, Bobby Unit G-3-150133 | Williams, Clayton Energy, Inc. | Wildcat | Burleson | 1 | 0 | 4.53K | Nov 1993 – Apr 1994 |
| John See G-3-98407 | Williams, Clayton Energy, Inc. | Big -a- Taylor | Burleson | 1 | 0 | 0 | — |
| See, John G-3-108024 | Williams, Clayton Energy, Inc. | Big -a- Taylor | Burleson | 1 | 0 | 0 | — |
| Brinkman, Bernice Unit G-3-177625 | Williams, Clayton Energy, Inc. | Giddings (Austin Chalk, Gas) | Burleson | 1 | 0 | 9.24K | May 2000 – Sep 2002 |
| Porter-Trask O-3-23865 | Williams, Clayton Energy, Inc. | Giddings (Buda) | Burleson | 1 | 0 | 0 | — |
| Matcek-Gold Unit O-3-15168 | Williams, Clayton Energy, Inc. | Giddings (Austin Chalk-3) | Burleson | 1 | 0 | 0 | — |
| Heine, J. W. G-3-174047 | Williams, Clayton Energy, Inc. | Giddings (Austin Chalk, Gas) | Burleson | 1 | 0 | 2.84K | Jul 1999 – Aug 2001 |
| See, John G-3-99098 | Williams, Clayton Energy, Inc. | Big -a- Taylor | Burleson | 1 | 0 | 0 | — |
| Birch Creek Ranch G-3-174045 | Williams, Clayton Energy, Inc. | Giddings (Austin Chalk, Gas) | Burleson | 1 | 0 | 7.03K | Jul 1999 – Jan 2010 |
| Kazmir-Matcek Unit B G-3-175347 | Williams, Clayton Energy, Inc. | Giddings (Austin Chalk, Gas) | Burleson | 1 | 0 | 1.67K | Nov 1999 – Jul 2000 |