Conoco and Phillips 66 announced on November 18, 2001 that their boards of directors had unanimously approved a definitive agreement for a "merger of equals". The merged company, ConocoPhillips, became the third-largest integrated U.S. energy company based on market capitalization and oil and gas reserves and production. On November 11, 2011 ConocoPhillips announced that Phillips 66 would be the name of a new independent oil and gasoline refining and marketing firm, created as ConocoPhillips split into two companies. ConocoPhillips kept the current name of the company and concentrated on oil exploration and production side while Phillips 66 included refining, marketing, midstream, and chemical portions of the company. Photo: Hugh Pickens
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