ConocoPhillips is an American 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. 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, separate company, Phillips.