Transocean Ltd. Basic Materials | Oil & Gas Drilling & Exploration | Switzerland Transocean Ltd., together with its subsidiaries, provides offshore contract drilling services for oil and gas wells worldwide. The company primarily offers deepwater and harsh environment drilling services. As of February 9, 2017, it owned or had partial ownership interests in, and operated 56 mobile offshore drilling units that consist of 30 ultra-deepwater floaters, 7 harsh environment floaters, 3 deepwater floaters, 6 midwater floaters, and 10 high-specification jackups. The company serves government-controlled oil companies and independent oil companies. Transocean Ltd. was founded in 1953 and is based in Vernier, Switzerland.
