SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person* Munro Michael F (Last) (First) (Middle) 4 GREEWAY PLAZA (Street) HOUSTON TX 77046 (City) (State) (Zip)	2. Date of Event Requiring Statement (Month/Day/Year) 11/12/2012	3. Issuer Name and Ticker or Trading Symbol Transocean Ltd. [ RIG ]
		4. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director 10% Owner X Officer (give title below) Other (specify below) VP, CCO & Deputy GC	5. If Amendment, Date of Original Filed (Month/Day/Year) 11/02/2012
			6. Individual or Joint/Group Filing (Check Applicable Line) X Form filed by One Reporting Person Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Registered Shares	2,614(1)	D
Registered Shares	591(2)	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. The number of shares beneficialy owned following the reported transactions from November 2, 2012 was incorrectly reported on the reporting person's Form 3 filed on November 6, 2012 and the award date and vesting dates were incorrectly reported in the corresponding footnote.These deferred units were awarded on November 17, 2010 and vested in one-third increments: 2,614 shares on November 17, 2011.

2. The number of shares beneficially owned following the reported transactions from November 2, 2012 was incorrectly reported on the reporting person's Form 3 filed on November 6, 2012 and the award date and vesting dates were incorrectly reported in the corresponding footnote. These deferred units were awarded on February 10, 2011 and vested in one-third increments: 591 shares on February 10, 2012.

Remarks:

	/s/Ryan H. TarkingtonBy Power of Attorney	11/12/2012
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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