Right now supply and demand are so finely balanced that anytime there is a whiff of global expansion, rising gdp and generally good news—the price of oil shoots up and chokes off the recovery.
But in two or three years the collapse of oil prices is generally expected as supply outstrips demand .
This will work as a massive spur to the world wide economy.
Obama will have had nothing to do with it but, Alas, his minions will spin it in such as a way as to make him look good.