Initial Statement of Beneficial Ownership (3)

FORM 3	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES	OMB APPROVAL OMB Number: 3235-0104 Estimated average burden hours per response... 0.5
	Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

1. Name and Address of Reporting Person ^*

Adamson Keelan

2. Date of Event Requiring Statement (MM/DD/YYYY) 8/10/2018

3. Issuer Name and Ticker or Trading Symbol

Transocean Ltd. [RIG]

(Last) (First) (Middle)

4 GREENWAY PLAZA

4. Relationship of Reporting Person(s) to Issuer (Check all applicable)

_____ Director _____ 10% Owner
___ X ___ Officer (give title below) _____ Other (specify below)
Executive Vice President & COO /

(Street)

HOUSTON, TX 77046

(City) (State) (Zip)

5. If Amendment, Date Original Filed (MM/DD/YYYY)

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	85898	D
Registered Shares	8621 ⁽¹⁾	D
Registered Shares	16137 ⁽²⁾	D
Registered Shares	31279 ⁽³⁾	D

*Table II - Derivative Securities Beneficially Owned ( e.g.* , puts, calls, warrants, options, convertible securities)**
1. Title of Derivate Security (Instr. 4)	2. Date Exercisable and Expiration Date (MM/DD/YYYY)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
1. Title of Derivate Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	4. Conversion or Exercise Price of Derivative Security		6. Nature of Indirect Beneficial Ownership (Instr. 5)
Stock Options	⁽⁴⁾	2/10/2026	Registered Shares	14706	⁽⁴⁾	D
Stock Options	⁽⁵⁾	2/9/2027	Registered Shares	31105	⁽⁵⁾	D
Stock Options	⁽⁶⁾	2/7/2028	Registered Shares	62970	⁽⁶⁾	D
Stock Options	⁽⁷⁾	2/9/2021	Registered Shares	3492	⁽⁷⁾	D
Stock Options	⁽⁷⁾	2/16/2022	Registered Shares	8455	⁽⁷⁾	D
Stock Options	⁽⁷⁾	2/13/2023	Registered Shares	15767	⁽⁷⁾	D

Explanation of Responses:
(1)	Restricted Share Units, which are 1-for-1 share equivalents, acquired on February 11, 2016, pursuant to the Issuer's long-term incentive plan and vests as follows: 8,621 on March 1, 2019.
(2)	Restricted Share Units, which are 1-for-1 share equivalents, acquired on February 10, 2017, pursuant to the Issuer's long-term incentive plan and vests as follows: 8,068 on March 1, 2019 and 8,069 on March 1, 2020.
(3)	Restricted Share Units, which are 1-for-1 share equivalents, acquired on February 8, 2018, pursuant to the Issuer's long-term incentive plan and vests as follows: 10,426 on March 1, 2019; 10,426 on March 1, 2020; and 10,427 on March 1, 2021.
(4)	Non-Qualified Stock Options fully vests on February 11, 2019.
(5)	Non-Qualified Stock Options vests in one-half increments on February 10, 2019 and February 10, 2020.
(6)	Non-Qualified Stock Options vests in one-third increments on February 8, 2019; February 8, 2020; and February 8, 2021.
(7)	Non-Qualified Stock Options vested and fully exercisable.

Reporting Owners
Reporting Owner Name / Address	Relationships
Reporting Owner Name / Address	Director	10% Owner	Officer	Other
Adamson Keelan 4 GREENWAY PLAZA HOUSTON, TX 77046			Executive Vice President & COO

Signatures
/s/ Daniel Ro-Trock by Power of Attorney		8/17/2018
^** 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.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.