$OKE SEC Filings

Filing Filed On
PRIMARY DOCUMENT 19 Jun 2012
PRIMARY DOCUMENT 25 May 2012
PRIMARY DOCUMENT 25 May 2012
PRIMARY DOCUMENT 25 May 2012
PRIMARY DOCUMENT 25 May 2012
PRIMARY DOCUMENT 25 May 2012
PRIMARY DOCUMENT 25 May 2012
PRIMARY DOCUMENT 24 May 2012
PRIMARY DOCUMENT 24 May 2012
PRIMARY DOCUMENT 24 May 2012
PRIMARY DOCUMENT 24 May 2012
PRIMARY DOCUMENT 24 May 2012
PRIMARY DOCUMENT 24 May 2012
PRIMARY DOCUMENT 24 May 2012
PRIMARY DOCUMENT 24 May 2012
PRIMARY DOCUMENT 24 May 2012
PRIMARY DOCUMENT 24 May 2012
PRIMARY DOCUMENT 24 May 2012
PRIMARY DOCUMENT 10 May 2012
PRIMARY DOCUMENT 07 May 2012