$HES SEC Filings

Filing Filed On
PRIMARY DOCUMENT 04 Feb 2005
PRIMARY DOCUMENT 04 Feb 2005
PRIMARY DOCUMENT 04 Feb 2005
PRIMARY DOCUMENT 04 Feb 2005
PRIMARY DOCUMENT 04 Feb 2005
PRIMARY DOCUMENT 04 Feb 2005
PRIMARY DOCUMENT 01 Feb 2005
PRIMARY DOCUMENT 31 Jan 2005
PRIMARY DOCUMENT 31 Jan 2005
PRIMARY DOCUMENT 31 Jan 2005
PRIMARY DOCUMENT 31 Jan 2005
PRIMARY DOCUMENT 31 Jan 2005
PRIMARY DOCUMENT 31 Jan 2005
PRIMARY DOCUMENT 31 Jan 2005
PRIMARY DOCUMENT 19 Jan 2005
PRIMARY DOCUMENT 05 Jan 2005
PRIMARY DOCUMENT 03 Jan 2005
PRIMARY DOCUMENT 09 Dec 2004
PRIMARY DOCUMENT 24 Nov 2004
PRIMARY DOCUMENT 24 Nov 2004