Ownership Submission
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, 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 *
  Schorn Patrick
 2. Date of Event Requiring Statement (Month/Day/Year)
02/07/2011		 3. Issuer Name and Ticker or Trading Symbol
SCHLUMBERGER LTD /NV/ [SLB]
(Last)
(First)
(Middle)
5599 SAN FELIPE, 17TH FLOOR		 4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
President
 5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

HOUSTON, TX 77056		 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 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, $0.01 par value per share 2,913
D
 

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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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 of Derivative Security: 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
NQ Stock Option (right to buy) w/ tandem Tax w/h right 04/19/2007(1) 04/19/2016 Common Stock, $0.01 par value per share 6,972 $ 66.03 D  
Incentive Stock Option (right to buy) 04/19/2007(2) 04/19/2016 Common Stock, $0.01 par value per share 3,028 $ 66.03 D  
Incentive Stock Option (right to buy) 01/17/2009(3) 01/17/2018 Common Stock, $0.01 par value per share 2,354 $ 84.93 D  
NQ Stock Option (right to buy) w/ tandem Tax w/h right 01/17/2009(4) 01/17/2018 Common Stock, $0.01 par value per share 17,646 $ 84.93 D  
NQ Stock Option (right to buy) w/ tandem Tax w/h right 04/17/2009(5) 04/17/2018 Common Stock, $0.01 par value per share 20,000 $ 93.97 D  
NQ Stock Option (right to buy) w/ tandem Tax w/h right 01/22/2010(6) 01/22/2019 Common Stock, $0.01 par value per share 27,358 $ 37.845 D  
Incentive Stock Option (right to buy) 01/22/2010(7) 01/22/2019 Common Stock, $0.01 par value per share 2,642 $ 37.845 D  
NQ Stock Option (right to buy) w/ tandem Tax w/h right 01/21/2011(8) 01/21/2020 Common Stock, $0.01 par value per share 28,541 $ 68.505 D  
Incentive Stock Option (right to buy) 01/21/2011(9) 01/21/2020 Common Stock, $0.01 par value per share 1,459 $ 68.505 D  
RSU (restricted stock unit) 02/04/2013(10) 02/04/2013 Common Stock, $0.01 par value per share 8,000 $ 0 D  
NQ Stock Option (right to buy) w/ tandem Tax w/h right 01/20/2012(11) 01/20/2021 Common Stock, $0.01 par value per share 43,808 $ 83.885 D  
Incentive Stock Option (right to buy) 01/20/2012(12) 01/20/2021 Common Stock, $0.01 par value per share 1,192 $ 83.885 D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Schorn Patrick
5599 SAN FELIPE, 17TH FLOOR
HOUSTON, TX 77056		       President  

Signatures

/s/Lynda Quagliara Attorney-in-Fact For: Patrick Schorn 02/16/2011
**Signature of Reporting Person Date

Explanation of Responses:

* 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).
(1) This option becomes exercisable in five equal annual installments beginning April 19, 2007.
(2) This option becomes exercisable in five equal annual installments beginning April 19, 2007.
(3) This option becomes exercisable in five equal annual installments beginning January 17, 2009.
(4) This option becomes exercisable in five equal annual installments beginning January 17, 2009.
(5) This option becomes exercisable in five equal annual installments beginning April 17, 2009.
(6) This option becomes exercisable in five equal annual installments beginning January 22, 2010.
(7) This option becomes exercisable in five equal annual installments beginning January 22, 2010.
(8) This option becomes exercisable in five equal annual installments beginning January 21, 2011.
(9) This option becomes exercisable in five equal annual installments beginning January 21, 2011.
(10) This restricted stock unit is subject to a 3-year cliff and will become exercisable on February 4, 2013.
(11) This option becomes exercisable in five equal annual installments beginning January 20, 2012.
(12) This option becomes exercisable in five equal annual installments beginning January 20, 2012.

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