WAYZATA, Minn., Sept. 21, 2011 /PRNewswire/ --
34.8 Million Barrels of Oil Equivalent Estimated Proven ReservesProved Reserves Increased 121% From December 31, 2010Present Value Increased 195% From December 31, 2010Northern Oil and Gas, Inc. (NYSE/AMEX: NOG) ("Northern Oil") today...