Reuters | Oil prices rise on Canadian pipeline disruption to United States Reuters The pipeline, which links Alberta's oil sands to U.S. refineries, was shut last week after a 5,000-barrel spill in South Dakota. Traders said there was also some price support from a weekly report on Tuesday by the American Petroleum Institute which ... Middle East tension may not mean what you think for crude oil OPEC meeting uncertainty threatens to spoil oil's awesome run Oil rises ahead of OPEC meeting, capped by rising US output |