Crude oil cost of production for various sources

Brent is at $63.77 at the moment and is below the average production cost of several sources, including North American shale.

From this chart, perhaps some conclusion can be drawn about the willingness of OPEC to let prices fall further…

http://www.businessinsider.com/crude-oil-cost-of-production-2014-5

I saw this chart when it first came out. It’s a good macro view