UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Notice of Effectiveness
Effectiveness Date:	December 22, 2017 2:00 P.M.

Form:	S-4
CIK: 0001451505 Company Name: Transocean Ltd. File Number: 333-220791
CIK: 0001083269 Company Name: TRANSOCEAN INC File Number: 333-220791-01