It is too late for OPEC to stop the shale revolution. The cartel faces the prospect of surging US output whenever oil prices rise.
If the oil futures market is correct, Saudi Arabia will start running into trouble within two years. It will be in existential crisis by the end of the decade.
The contract price of US crude oil for delivery in December 2020 is currently $62.05, implying a drastic change in the economic landscape for the Middle East and the petro-rentier states.