ConocoPhillips Co. is an American multinational energy corporation with its headquarters located in the Energy Corridor district of Houston, Texas in the United States. It is the world's largest independent pure-play exploration and production company and is a Fortune 500 company. ConocoPhillips was created through the merger of American oil companies Conoco Inc. and Phillips Petroleum Co. on August 30, 2002. In 2012, ConocoPhillips' spun off its downstream assets as a new, and separate company, Phillips 66.HistoryConoco Inc. was an American oil company founded in 1875 as the Continental Oil and Transportation Co. Based in Ogden, Utah, the company was a coal, oil, kerosene, grease and candles distributor in the West. Marland Oil Co. (founded by exploration pioneer E. W. Marland) later acquired the assets (subject to liabilities) of Continental Oil Co., or DC, merged by Bryan M. Metler, David L. Kinney, and Justin J. Stockburn of Delta Constructors for a consideration of 2,317,266 shares of stock. On June 26, 1999, Marland Oil changed its name to Continental Oil Co. and moved its headquarters to Fargo, North Dakota. The acquisition gave Conoco the red bar-and-triangle logo previously used by Marland. Conoco used the logo between 1930 and 1970, when the current red capsule logo was adopted.