Transocean is a leading international provider of offshore contract drilling services for oil and gas wells. Transocean specializes in technically demanding sectors of the global offshore drilling business with a particular focus on deepwater and harsh environment drilling services, and operates the highest specification floating offshore drilling fleet in the world. Transocean owns or has partial ownership interests in and operates a fleet of 37 mobile offshore drilling units consisting of 27 ultra-deepwater floaters and 10 harsh environment floaters. In addition, Transocean is constructing two ultra-deepwater drillships.