$HES SEC Filings

Filing Filed On
PRIMARY DOCUMENT 14 Dec 2006
PRIMARY DOCUMENT 13 Dec 2006
PRIMARY DOCUMENT 13 Dec 2006
PRIMARY DOCUMENT 13 Dec 2006
PRIMARY DOCUMENT 12 Dec 2006
PRIMARY DOCUMENT 12 Dec 2006
PRIMARY DOCUMENT 11 Dec 2006
PRIMARY DOCUMENT 11 Dec 2006
PRIMARY DOCUMENT 11 Dec 2006
PRIMARY DOCUMENT 11 Dec 2006
PRIMARY DOCUMENT 08 Dec 2006
PRIMARY DOCUMENT 08 Dec 2006
PRIMARY DOCUMENT 08 Dec 2006
PRIMARY DOCUMENT 07 Dec 2006
PRIMARY DOCUMENT 07 Dec 2006
PRIMARY DOCUMENT 05 Dec 2006
PRIMARY DOCUMENT 05 Dec 2006
PRIMARY DOCUMENT 05 Dec 2006
PRIMARY DOCUMENT 05 Dec 2006
PRIMARY DOCUMENT 04 Dec 2006