Shell Oil en Problems for oil containment barge at Bellingham BELLINGHAM, Wash. — Minor oil spills at Bellingham have plagued construction of an oil spill containment barge needed for Shell Oil to drill exploratory wells in the Arctic Ocean off Alaska. The Washington Ecology Department says hydraulic systems leaked on July 24, Aug. 4 and Aug. 6, each releasing about a quart of oil into Whatcom Waterway. Thu, 16 Aug 2012 16:41:51 +0000 The Associated Press 5994 at