"West Texas Intermediate is currently around $85/barrel. With the huge discount for Canadian and north-central U.S. producers, that means that producers of North Dakota sweet are only offered $61 a barrel. Tight oil is not going to be the reason that we return to an era of cheap oil, for the simple reason that if oil again fell below $50/barrel, it wouldn't be profitable to produce with these methods."

Ein Artikel von Prof. James Hamilton über den Unterschied von Oil Shale, Shale Oil und Tight Oil, die unrealisitschen Annahmen und Prognosen von Leonardo Maugeri sowie die Grenzkosten der Tight Oil-Förderung. Erschienen auf Econbrowser (11. Juli 2012).