From an article by Catherine Ngai published on 6 Jan 2015 by Reuters under the headline:
“High Noon on the Gulf Coast: Canada, Saudi oil set for showdown”
NEW YORK (Reuters) – As a test of wills between OPEC nations and U.S. shale drillers fuels a global oil market slump, a brewing battle between Canadian and Saudi Arabia heavy crudes for America’s Gulf Coast refinery market threatens to drive prices even lower.
While the stand-off between the oil cartel and U.S. producers of light, sweet shale oil has captured the limelight in recent months, the clash over heavier grades – playing out in the shadowy, opaque physical market – may put even more pressure on global prices that have halved since mid-2014.