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FT Alphaville » Marginal oil production costs are heading towards $100/barrel - http://ftalphaville.ft.com/blog/2012/05/02/983171/marginal-oi...
"Bernstein’s energy analysts have looked at the upstream costs for the 50 biggest listed oil producers and found that — surprise, surprise — “the era of cheap oil is over”:" ‎- silpol