$HES SEC Filings

Filing Filed On
PRIMARY DOCUMENT 27 May 2005
PRIMARY DOCUMENT 26 May 2005
PRIMARY DOCUMENT 24 May 2005
PRIMARY DOCUMENT 20 May 2005
PRIMARY DOCUMENT 13 May 2005
PRIMARY DOCUMENT 12 May 2005
PRIMARY DOCUMENT 11 May 2005
PRIMARY DOCUMENT 11 May 2005
PRIMARY DOCUMENT 08 Apr 2005
PRIMARY DOCUMENT 23 Feb 2005
PRIMARY DOCUMENT 11 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 04 Feb 2005
PRIMARY DOCUMENT 04 Feb 2005
PRIMARY DOCUMENT 04 Feb 2005
PRIMARY DOCUMENT 04 Feb 2005