Form Type:  SC 13G/A
Filing Date:  7/12/2021 
CIK:  0001451505 
Address:  TURMSTRASSE 30 
City, State, Zip:  STEINHAUSEN,  6312 
Telephone:  41 41 749 0500 
Fiscal Year:  12/31 
Last Trade
Last Trade: 
-0.10 (-2.49%)  
Trade Time: 
Oct 18  
Market Cap: 
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Description of Business
Transocean Ltd. (together with its subsidiaries and predecessors, unless the context requires otherwise, "Transocean," the "Company," "we," "us" or "our") is a leading international provider of offshore contract drilling services for oil and gas wells. As of February 16, 2021, we owned or had partial ownership interests in and operated a fleet of 37 mobile offshore drilling units, consisting of 27 ultra-deepwater floaters and 10 harsh environment floaters. As of February 16, 2021, we were constructing two ultra-deepwater drillships. Our primary business is to contract our drilling rigs, related equipment and work crews predominantly on a dayrate basis to drill oil and gas wells. We specialize in technically demanding regions of the global offshore drilling business with a particular focus on ultra-deepwater and harsh environment drilling services.
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