Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
SBITI CHAKIB
  2. Issuer Name and Ticker or Trading Symbol
SCHLUMBERGER LTD /NV/ [SLB]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
EXECUTIVE VICE PRESIDENT
(Last)
(First)
(Middle)
C/O SCHLUMBERGER LIMITED, 42 RUE ST. DOMINIQUE
3. Date of Earliest Transaction (Month/Day/Year)
07/28/2006
(Street)

75340 PARIS, I0 
4. If Amendment, Date 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
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)
4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)
6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)
7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 07/28/2006   M   17,584 A $ 41.174 53,152 (1) D  
Common Stock 07/28/2006   S   17,584 D $ 64.69 35,568 (1) D  
Common Stock 07/28/2006   M   19,782 A $ 35.658 55,350 (1) D  
Common Stock 07/28/2006   S   19,782 D $ 64.69 35,568 (1) D  
Common Stock 07/28/2006   M   21,980 A $ 22.422 57,548 (1) D  
Common Stock 07/28/2006   S   21,980 D $ 64.69 35,568 (1) D  
Common Stock 07/28/2006   M   80,000 A $ 38.001 115,568 (1) D  
Common Stock 07/28/2006   S   80,000 D $ 64.69 35,568 (1) D  
Common Stock               2,356 I SL Int'l P/S Plan

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)
5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)
6. Date Exercisable and Expiration Date
(Month/Day/Year)
7. Title and Amount of Underlying Securities
(Instr. 3 and 4)
8. Price of Derivative Security
(Instr. 5)
9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)
10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)
11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Employee Stock Option (right to buy) w/ tandem Tx w/h right $ 35.658 (2) 07/28/2006   M     19,782 (2) 04/15/1999(3) 04/15/2008 Common Stock 19,782 (2) $ 0 0 D  
Employee Stock Option (right to buy) w/ tandem Tx w/h right $ 38.001 (2) 07/28/2006   M     80,000 (2) 07/20/2001(4) 07/20/2010 Common Stock 80,000 (2) $ 0 0 D  
Employee Stock Option (right to buy) w/ tandem Tx w/h right $ 41.174 (2) 07/28/2006   M     17,584 (2) 10/21/1998(5) 10/21/2007 Common Stock 17,584 (2) $ 0 0 D  
Incentive Stock Option (right to buy) $ 22.422 (2) 07/28/2006   M     21,980 (2) 01/19/2000(6) 01/19/2009 Common Stock 21,980 (2) $ 0 0 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
SBITI CHAKIB
C/O SCHLUMBERGER LIMITED
42 RUE ST. DOMINIQUE
75340 PARIS, I0 
      EXECUTIVE VICE PRESIDENT  

Signatures

 By: /s/Lynda M. Quagliara Attorney-in-Fact For: Chakib Sbiti   08/01/2006
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(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).
(1) On March 1, 2006, the Common Stock of Schlumberger Limited split 2 for 1 resulting in the reporting person's acquisition of 17,784 additional shares.
(2) Shares and option price were adjusted for the March 1, 2006 2 for 1 stock split.
(3) The options became exercisable in five equal annual installments on April 15, 1999.
(4) Exercisable in five equal annual installments beginning July 20, 2001.
(5) The option becomes exercisable in five equal annual installments beginning October 21, 1998.
(6) Exercisable in five equal annual installments beginning January 19, 2000.
 
Remarks:
On March 1, 2006, the Common Stock of Schlumberger Limited split 2 for 1 resulting in the reporting person's acquisition of 1,176 additional shares held in the SL International Profit Sharing Plan.

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