Reuters | Oil drops after OPEC-led output cut extension falls below expectations Reuters Ann-Louise Hittle, vice president at energy consultancy Wood Mackenzie said that the "decision in Vienna sends a signal of continued support for oil prices from OPEC which helps U.S. onshore drillers make plans" to further increase their production. Russia's not ruling out a deeper cut to oil production after OPEC disappoints Oil price plummets despite deal to extend output cut Oil drops nearly 5% as OPEC's 9-month output-cut extension disappoints |