$OKE SEC Filings

Filing Filed On
PRIMARY DOCUMENT 24 May 2013
PRIMARY DOCUMENT 24 May 2013
PRIMARY DOCUMENT 24 May 2013
PRIMARY DOCUMENT 24 May 2013
PRIMARY DOCUMENT 24 May 2013
PRIMARY DOCUMENT 24 May 2013
PRIMARY DOCUMENT 24 May 2013
PRIMARY DOCUMENT 23 Apr 2013
PRIMARY DOCUMENT 23 Apr 2013
PRIMARY DOCUMENT 23 Apr 2013
PRIMARY DOCUMENT 23 Apr 2013
PRIMARY DOCUMENT 23 Apr 2013
PRIMARY DOCUMENT 23 Apr 2013
PRIMARY DOCUMENT 23 Apr 2013
PRIMARY DOCUMENT 23 Apr 2013
PRIMARY DOCUMENT 23 Apr 2013
PRIMARY DOCUMENT 23 Apr 2013
PRIMARY DOCUMENT 23 Apr 2013
PRIMARY DOCUMENT 23 Apr 2013
PRIMARY DOCUMENT 23 Apr 2013