Nov 22 (Reuters) - U.S. shale oil producer ConocoPhillips COP.N said on Friday it has completed the $22.5 billion deal to acquire smaller peer Marathon Oil MRO.N.
The deal was under a Federal Trade Commission review.
(Reporting by Sourasis Bose in Bengaluru; Editing by Krishna Chandra Eluri)
((Sourasis.Bose@thomsonreuters.com;))