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*
Zurquiyah Rousset Sophie	

(Last)	(First)	(Middle)	
5599 SAN FELIPE 17TH FLOOR	

(Street) 
HOUSTON	TX	77056	

(City)	(State)	(Zip)	
	2. Date of Event Requiring Statement (Month/Day/Year)
12/01/2006 	3. Issuer Name and Ticker or Trading Symbol 
SCHLUMBERGER LTD /NV/ [ SLB ] 		
		4. Relationship of Reporting Person(s) to Issuer 
(Check all applicable) 
	Director		10% Owner	
X	Officer (give title below)		Other (specify below)	
CHIEF INFORMATION OFFICER	
	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) 	
Common Stock	4,771	D		
Common Stock	603	I	By Husband	
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				
Employee Stock Option (right to buy) w/ tandem Tx w/h right	(1) 	01/15/2013	Common Stock	3,200	20.648	D		
Employee Stock Option (right to buy) w/ tandem Tx w/h right	(2) 	04/21/2009	Common Stock	4,396	27.81	D		
Employee Stock Option (right to buy) w/ tandem Tx w/h right	(3) 	04/17/2012	Common Stock	1,752	27.873	D		
Employee Stock Option (right to buy) w/ tandem Tx w/h right	(4) 	01/19/2015	Common Stock	40,000	32.455	D		
Employee Stock Option (right to buy) w/ tandem Tx w/h right	(5) 	07/21/2014	Common Stock	10,000	32.618	D		
Employee Stock Option (right to buy) w/ tandem Tx w/h right	(6) 	10/21/2007	Common Stock	4,396	41.174	D		
Employee Stock Option (right to buy) w/ tandem Tx w/h right	(7) 	01/18/2016	Common Stock	40,000	54.235	D		
Incentive Stock Option (right to buy)	(1) 	01/15/2013	Common Stock	4,800	20.648	D		
Incentive Stock Option (right to buy)	(3) 	04/17/2012	Common Stock	10,248	27.873	D		
Incentive Stock Option (right to buy)	(8) 	10/19/2010	Common Stock	6,000	41.141	D		
Explanation of Responses:	
1. Exercisable in five equal annual installments beginning January 15,2004.	
2. Exercisable in five equal annual installments beginning April 21, 2000.	
3. Exercisable in five equal annual installments beginning April 17,2003.	
4. This option becomes exercisable in four equal annual installments beginning January 19, 2006.	
5. This option becomes exercisable in four equal annual installments beginning July 21, 2005	
6. The option becomes exercisable in five equal annual installments beginning October 21, 1998.	
7. This option becomes exercisable in four equal annual installments beginning January 18, 2007.	
8. Exercisable in five equal annual installments beginning October 19, 2001.	
	By: Janet B. Glassmacher Attorney-in-Fact For: Sophie Zurquiyah Rousset	12/05/2006	
	** 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.	
                       SCHLUMBERGER LIMITED

                         POWER OF ATTORNEY

The undersigned in her capacity as a director or officer or both
of Schlumberger Limited, a Netherlands Antilles corporation (the "Company"),
does hereby appoint Janet B. Glassmacher, Lynda M. Quagliara and Ellen Summer,
and each of them severally, her true and lawful attorney-in fact with power
to act with or without the other and with full power of substitution and
resubstitution, to execute for her and in her name, place and stead, in her
capacity as a director or officer or both of the Company, a statement of
beneficial ownership on Form 3, Form 4, Form 5 or Form 144, and to file the
same or cause the same to be filed with the Securities and Exchange
Commission.  This Power of Attorney shall remain in full force and effect
until the undersigned is no longer required to file Forms 3, 4, 5 and 144.

November 14, 2006                     /s/ Sophie Zurquiyah Rousset
                                        Sophie Zurquiyah Rousset