The onus for restoring the oil price back to an equilibrium lies squarely on the shoulders of countries like the U.S. and not on the Organization of the Petroleum Exporting Countries (OPEC), a top Goldman Sachs analyst told CNBC. Michele Della Vigna, head of European energy research at Goldman Sachs, said non-OPEC oil producers had created the oversupply in the market which has weighed on prices. “I think the market has realized that where we need to find the adjustment is onshore U.S. and that’s where the market is focused,” he told CNBC Thursday. “The adjustment is starting to happen there. Clearly an OPEC cut would help getting to the equilibrium faster, but at the end of the day, it is non-OPEC that needs to sort out the oversupply that it has created.” Getty Images Weak global demand and booming U.S. shale oil production are seen as two key […]