SEC FORM 3

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^*

Herrin Robert L

(Last)

(First)

(Middle)

15375 MEMORIAL DRIVE

(Street)

HOUSTON

77079

(City)

(State)

(Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
06/07/2005

3. Issuer Name and Ticker or Trading Symbol
GLOBALSANTAFE CORP [ GSF ]

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

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	VP & Controller

5. If Amendment, Date of Original Filed (Month/Day/Year)

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)
Ordinary Shares, $0.01 par value	7,717	D
Ordinary Shares, $0.01 par value	6,503	I	401(k) Plan

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)
1. Title of Derivative Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	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)
Employee Stock Option (right to buy)	11/20/2001	11/05/2007	Ordinary Shares, $0.01 par value	7,981	$51.41	D
Employee Stock Option (right to buy)	11/20/2001	02/22/2010	Ordinary Shares, $0.01 par value	6,650	$29.18	D
Employee Stock Option (right to buy)	11/20/2001	02/27/2011	Ordinary Shares, $0.01 par value	6,650	$44.29	D
Employee Stock Option (right to buy)	11/20/2001	02/10/2008	Ordinary Shares, $0.01 par value	3,325	$37.5	D
Employee Stock Option (right to buy)	03/04/2005	03/04/2012	Ordinary Shares, $0.01 par value	10,000	$29.85	D
Employee Stock Option (right to buy)	01/02/2004⁽¹⁾	01/21/2013	Ordinary Shares, $0.01 par value	12,500	$25.02	D
Employee Stock Option (right to buy)	01/02/2005⁽²⁾	01/02/2014	Ordinary Shares, $0.01 par value	12,000	$24.73	D
Employee Stock Option (right to buy)	12/31/2005⁽³⁾	12/31/2014	Ordinary Shares, $0.01 par value	15,000	$33	D
Employee Stock Option (right to buy)	02/28/2006⁽⁴⁾	02/28/2015	Ordinary Shares, $0.01 par value	2,500	$37.48	D

Explanation of Responses:

1. The option becomes exercisable in three annual increments of 33.333% each on the first three anniversaries of the grant date.

2. The option becomes exercisable in three annual increments of 33.333% each on the first three anniversaries of the grant date.

3. The option becomes exercisable in three annual increments of 33.333% each on the first three anniversaries of the grant date.

4. The option becomes exercisable in three annual increments of 33.333% each on the first three anniversaries of the grant date.

	Robert L Herrin	06/09/2005
	** 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 Number.