Whiting Petroleum Corp, 667 US Highway 310, Deaver, WY 82421, US

Established in 1875, ConocoPhillips Company is one of the largest energy companies that operates more than 20 refineries in the United Stats, Europe and Asia. Headquartered in Ogden, Utah, it distributes a range of coal, oil, kerosene, grease and candles. The company operates an exploration and production unit that specializes in the distribution of natural gas liquids. It markets fuels under various brands, including Phillips 66, Conoco, 76 and JET. In partnership with Chevron Phillips Chemical Company, ConocoPhillips Company participates in the production of plastic and chemicals, as well as olefins, polyolefins, aromatics and styrenics. It operates ConocoPhillips Specialty Products, which is a wholly owned subsidiary that specializes in maximizing the flow of pipelines. The company also deals in the purchase and lease of real estate properties in Texas, Oklahoma, California, Alabama, Louisiana and Oregon. It offers reservoir management and exploitation, 3-D seismic technology, high-grade petroleum coke upgrading and sulfur removal services. ConocoPhillips Company manages blending facilities that supply lubricants to over 50 U.S. states and nearly 50 countries.