Transocean is a leading international provider of offshore contract drilling services for oil and gas wells. The company specializes in technically demanding sectors of the global offshore drilling business with a particular focus on deepwater and harsh environment drilling services, and believes that it operates one of the most versatile offshore drilling fleets in the world. Transocean owns or has partial ownership interests in, and operates a fleet of 45 mobile offshore drilling units consisting of 28 ultra-deepwater floaters, 14 harsh environment floaters and three midwater floaters. In addition, Transocean is constructing two ultra-deepwater drillships.