| Whiting Petroleum Corporation is an independent oil and gas company 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. As of December 31, 2007, the Company's estimated proved reserves totaled 250.8 million barrels of oil equivalent (MMBOE). Its estimated December 2007, average daily production was 40.3 thousands of barrels of oil equivalent per day (MBOE/d) and implies an average reserve life of approximately 17.1 years. On July 17, 2007, Whiting Petroleum Corporation sold its approximate 50% non-operated working interest in several gas fields located in the LaSalle and Webb Counties of Texas. During the year ended December 31, 2007, the Company sold its interests in additional non-core properties located in Colorado, Louisiana, Michigan, Montana, New Mexico, North Dakota, Oklahoma, Texas and Wyoming. |
