Whiting Petroleum Corporation operates in the Crude petroleum and natural gas sector. Whiting Petroleum Corporation is an independent oil and gas company. It is engaged in acquisition, development, exploitation, production and exploration activities primarily in the Permian Basin, Rocky Mountains, Mid-Continent, Gulf Coast and Michigan regions of the United States. During the year ended December 31, 2010, its average daily production was 64.6 thousands of barrels of oil equivalent/day. As of December 31, 2010, its estimated proved reserves totaled 304.9 million barrels of oil equivalent. In September 2010, it acquired operated interests in 19 producing oil and gas wells, undeveloped acreage and gathering lines, all of which are located on approximately 20,400 gross acres at its Redtail Prospect in Weld County, Colorado. In August 2010, it acquired oil and gas leasehold interests covering approximately 112,000 gross acres in the Montana portion of the Williston Basin. In our complete report available for purchase the company is compared to: Plains Exploration & Production Company, Petrohawk Energy Corporation and Cimarex Energy Co.