There seems to be some confusion and disparity in the CoP. I was always under the impression that the Saudi's were one of the lowest cost producers in the world. Found this article and it seems to confirm that assumption.
https://www.google.com.au/url?sa=t&...x8_A-0tC1zXIjuaLYMAQNA&bvm=bv.114195076,d.dGo
