| Ashlock Unit #1HZ42-041-31679 | Williams Clayton Energy Inc. | BrazosKurten (Buda) | PluggedOil | 8,023 | Oct 20, 1992 | 1 | Jan 1997 |
| Anderson-Stephen Unit #3HZ42-041-31680 | Williams Clayton Energy Inc. | BrazosGiddings (Austin Chalk-3) | PluggedOil | 10,767 | Oct 20, 1992 | 1 | Jan 2012 |
| Borski-Peters Unit #1HZ42-041-31675 | Williams Clayton Energy Inc. | BrazosGiddings (Austin Chalk-3) | PluggedOil | 10,100 | Oct 14, 1992 | 2 | Dec 2006 |
| Hostetter #142-311-32082 | Williams Clayton Energy Inc. | McMullenHostetter (Wilcox 10 300 FB-A) | PluggedGas | 16,500 | Oct 12, 1992 | 2 | Sep 2010 |
| Hostetter #442-311-32731 | Williams Clayton Energy Inc. | McMullenWildcat | PluggedGas | 13,500 | Oct 8, 1992 | 2 | — |
| Agnello Lebon #2HZ42-041-31673 | Williams Clayton Energy Inc. | BrazosGiddings (Austin Chalk-3) | PluggedOil | 10,425 | Sep 24, 1992 | 1 | Jul 2006 |
| Grant-McDougal Unit #1HZ42-041-31670 | Williams Clayton Energy Inc. | BrazosGiddings (Austin Chalk-3) | PluggedOil | 8,105 | Sep 10, 1992 | 1 | Nov 2008 |
| Davis Unit #1HZ42-041-31655 | Williams Clayton Energy Inc. | BrazosKurten (Buda) | PluggedOil | 7,840 | Jul 13, 1992 | 1 | Aug 2001 |
| Anderson #2HZ42-041-31650 | Williams Clayton Energy Inc. | BrazosGiddings (Austin Chalk-3) | PluggedOil | 10,800 | Jun 29, 1992 | 1 | Sep 2013 |
| Anderson #1HZ42-041-31603 | Williams Clayton Energy Inc. | BrazosGiddings (Austin Chalk-3) | PluggedOil | 10,888 | Mar 12, 1992 | 1 | Sep 2013 |
| Wintershall-Peters Unit #1HZ42-041-31549 | Williams Clayton Energy Inc. | BrazosGiddings (Austin Chalk-3) | PluggedOil | 10,900 | Oct 31, 1991 | 2 | Feb 2006 |
| Wintershall-Storey Unit #1HZ42-283-31477 | Williams Clayton Energy Inc. | La SallePearsall (Austin Chalk) | PluggedOil | 8,650 | Oct 29, 1991 | 2 | Nov 1997 |
| Wintershall-Kersh Unit a #1HZ42-283-31478 | Williams Clayton Energy Inc. | La SallePearsall (Austin Chalk) | PluggedOil | 8,650 | Oct 29, 1991 | 2 | Apr 1995 |
| Burns H-D State Unit #1HZ42-283-31470 | Williams Clayton Energy Inc. | La SallePearsall (Austin Chalk) | PluggedOil | 7,785 | Oct 23, 1991 | 2 | Jan 2001 |
| Wintershall-Kersh Unit #1HZ42-283-31454 | Williams Clayton Energy Inc. | La SallePearsall (Austin Chalk) | PluggedOil | 8,450 | Aug 16, 1991 | 2 | Apr 1995 |
| Burns E-F Unit a #1HZ42-283-31445 | Williams Clayton Energy Inc. | La SallePearsall (Austin Chalk) | PluggedOil | 8,200 | Jun 13, 1991 | 2 | May 2000 |
| Nigliazzo Horizontal #2HZ42-395-30370 | Williams Clayton Energy Inc. | RobertsonSutton (Austin Chalk) | PluggedOil | 6,500 | Apr 12, 1991 | 2 | Dec 2006 |
| Fee -a- #15HHZ42-163-33050 | Williams Clayton Energy Inc. | FrioPearsall (Austin Chalk) | PluggedOil | 6,550 | Apr 11, 1991 | 2 | Mar 1998 |
| Garza B Unit #2HZ42-041-31496 | Williams Clayton Energy Inc. | BrazosGiddings (Austin Chalk-3) | PluggedOil | 10,478 | Mar 22, 1991 | 2 | Dec 1999 |
| Wintershall-Lynch #1HZ42-255-31286 | Williams Clayton Energy Inc. | KarnesFirst Shot (Austin Chalk) | PluggedOil | 10,400 | Mar 22, 1991 | 2 | — |
| Paradise #4HHZ42-163-33033 | Williams Clayton Energy Inc. | FrioPearsall (Austin Chalk) | PluggedOil | 6,100 | Mar 15, 1991 | 1 | Nov 1996 |
| Schorp #1HZ42-163-33016 | Williams Clayton Energy Inc. | FrioPearsall (Austin Chalk) | PluggedOil | 8,150 | Feb 25, 1991 | 2 | — |
| Burns E-G Unit #1HZ42-283-31423 | Williams Clayton Energy Inc. | La SallePearsall (Austin Chalk) | PluggedOil | 8,300 | Feb 25, 1991 | 1 | Jan 1994 |
| Avant #142-163-30757 | Williams Clayton Energy Inc. | FrioPearsall (Austin Chalk) | PluggedOil | 5,100 | Feb 15, 1991 | 1 | Apr 1993 |
| Nigliazzo #142-395-30335 | Williams Clayton Energy Inc. | RobertsonKurten (Austin Chalk) | PluggedOil | 8,000 | Feb 8, 1991 | 2 | Feb 2006 |
| Baker James A. #2HZ42-163-32995 | Williams Clayton Energy Inc. | FrioPearsall (Austin Chalk) | PluggedOil | 6,200 | Feb 1, 1991 | 1 | Jul 1996 |
| Burns E #3HZ42-283-31409 | Williams Clayton Energy Inc. | La SallePearsall (Austin Chalk) | PluggedOil | 8,100 | Jan 11, 1991 | 2 | Oct 2004 |
| Irvin Ranch a #1HZ42-283-31403 | Williams Clayton Energy Inc. | La SallePearsall (Austin Chalk) | PluggedOil | 8,500 | Jan 2, 1991 | 1 | Jul 1993 |
| Woodward-Burns #2HZ42-163-32940 | Williams Clayton Energy Inc. | FrioPearsall (Austin Chalk) | PluggedOil | 6,600 | Dec 6, 1990 | 1 | Oct 2011 |
| Mullane #1HZ42-163-32910 | Williams Clayton Energy Inc. | FrioPearsall (Austin Chalk) | PluggedOil | 6,800 | Nov 9, 1990 | 1 | Oct 1995 |
| Wintershall-Gerke Unit #1HZ42-283-31379 | Williams Clayton Energy Inc. | La SallePearsall (Austin Chalk) | PluggedOil | 8,350 | Oct 29, 1990 | 1 | Aug 2008 |
| Burns E #1HZ42-283-31370 | Williams Clayton Energy Inc. | La SallePearsall (Austin Chalk) | PluggedOil | 8,000 | Oct 4, 1990 | 1 | Oct 2004 |
| Avant #2HZ42-163-32856 | Williams Clayton Energy Inc. | FrioPearsall (Austin Chalk) | PluggedOil | 6,950 | Sep 24, 1990 | 2 | Apr 1993 |
| Burns H #3HZ42-283-31361 | Williams Clayton Energy Inc. | La SallePearsall (Austin Chalk) | PluggedOil | 7,900 | Sep 17, 1990 | 1 | Oct 2003 |
| Paradise #2HHZ42-163-32838 | Williams Clayton Energy Inc. | FrioPearsall (Austin Chalk) | PluggedOil | 6,000 | Sep 13, 1990 | 1 | Nov 1996 |
| Union Texas Carnes #1HZ42-163-32821 | Williams Clayton Energy Inc. | FrioPearsall (Austin Chalk) | PluggedOil | 6,200 | Aug 27, 1990 | 1 | Sep 2002 |
| Paradise #1HHZ42-163-32796 | Williams Clayton Energy Inc. | FrioPearsall (Austin Chalk) | PluggedOil | 6,250 | Aug 6, 1990 | 2 | Nov 1996 |
| Burns H #1HZ42-283-31342 | Williams Clayton Energy Inc. | La SallePearsall (Austin Chalk) | PluggedOil | 8,100 | Jul 31, 1990 | 1 | Oct 2003 |
| Union Texas Hugo #1HZ42-163-32784 | Williams Clayton Energy Inc. | FrioPearsall (Austin Chalk) | PluggedOil | 7,100 | Jul 19, 1990 | 2 | Mar 1995 |
| Baker SWD #442-163-30391 | Williams Clayton Energy Inc. | FrioPearsall (Austin Chalk) | PluggedOil | 5,515 | Jul 3, 1990 | 1 | — |
| Woodward-Burns #1HZ42-163-32756 | Williams Clayton Energy Inc. | FrioPearsall (Austin Chalk) | PluggedOil | 6,650 | Jun 20, 1990 | 2 | Oct 2011 |
| Berryman Unit #1HZ42-163-32751 | Williams Clayton Energy Inc. | FrioPearsall (Austin Chalk) | PluggedOil | 6,450 | Jun 15, 1990 | 3 | — |
| Strait #2HZ42-283-31329 | Williams Clayton Energy Inc. | La SallePearsall (Austin Chalk) | PluggedOil | 7,200 | Jun 15, 1990 | 1 | Dec 1998 |
| Howell-Ncnb Unit #1HZ42-163-32749 | Williams Clayton Energy Inc. | FrioPearsall (Austin Chalk) | PluggedOil | 7,000 | Jun 14, 1990 | 1 | Mar 1998 |
| Avant #3HZ42-163-32717 | Williams Clayton Energy Inc. | FrioPearsall (Austin Chalk) | PluggedOil | 7,000 | May 9, 1990 | 1 | Apr 1993 |
| Fee -a- #14HHZ42-163-32718 | Williams Clayton Energy Inc. | FrioPearsall (Austin Chalk) | PluggedOil | 6,400 | May 9, 1990 | 2 | Mar 1998 |
| Nicholson Unit #2HZ42-163-32702 | Williams Clayton Energy Inc. | FrioPearsall (Austin Chalk) | PluggedOil | 7,000 | Apr 18, 1990 | 1 | May 1998 |
| Kincaid #2HZ42-163-32701 | Williams Clayton Energy Inc. | FrioPearsall (Austin Chalk) | PluggedOil | 6,800 | Apr 17, 1990 | 1 | Sep 1998 |
| Strait #1HZ42-283-31311 | Williams Clayton Energy Inc. | La SallePearsall (Austin Chalk) | PluggedOil | 7,200 | Apr 11, 1990 | 1 | Dec 1998 |
| Burns -C- #1HZ42-283-31305 | Williams Clayton Energy Inc. | La SallePearsall (Austin Chalk) | PluggedOil | 7,600 | Mar 19, 1990 | 2 | — |