sentences:  WOC is owned by the National Oil Corporation (NOC) in a joint venture with ConocoPhillips, Marathon and Hess Corp.
  
  WOC was established in 1956 and its first oil discovery was made in 1959, in Dahra field.In 1962, WOC began pumping oil to a terminal operated by Conoco, Amerada Hess and Marathon.In 1968, Shell joined the consortium, purchasing shares from Amerada Hess.