Transocean Ltd., together with its subsidiaries, provides offshore contract drilling services for oil and gas wells worldwide. It contracts its drilling rigs, related equipment, and work crews to drill oil and gas wells. As of October 27, 2020, the company owned or had partial ownership interests in and operated 38 mobile offshore drilling units, including 27 ultra-deepwater floaters and 11 harsh environment floaters. It serves integrated oil companies, government-owned or government-controlled oil companies, and other independent oil companies. The company is based in Steinhausen, Switzerland.
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