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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*
Cox Stephanie
(Last) (First) (Middle)
C/O SCHLUMBERGER LIMITED
5599 SAN FELIPE 17TH FLOOR
(Street)
HOUSTON TX 77056
(City) (State) (Zip)
2. Date of Event Requiring Statement (Month/Day/Year)
05/01/2009 		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)
VICE PRESIDENT
 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 5,472 D
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) 07/16/2013 Common Stock 4,030 23.01 D
Employee Stock Option (right to buy) w/ tandem Tx w/h right (2) 07/21/2014 Common Stock 1,500 32.618 D
Employee Stock Option (right to buy) w/ tandem Tx w/h right (3) 01/22/2019 Common Stock 5,602 37.845 D
Employee Stock Option (right to buy) w/ tandem Tx w/h right (4) 04/23/2019 Common Stock 49,141 45.88 D
Employee Stock Option (right to buy) w/ tandem Tx w/h right (5) 01/18/2016 Common Stock 3,510 54.235 D
Employee Stock Option (right to buy) w/ tandem Tx w/h right (6) 04/19/2016 Common Stock 3,718 66.03 D
Employee Stock Option (right to buy) w/ tandem Tx w/h right (7) 01/17/2018 Common Stock 2,601 84.93 D
Incentive Stock Option (right to buy) (1) 07/16/2013 Common Stock 470 23.01 D
Incentive Stock Option (right to buy) (8) 04/17/2012 Common Stock 4,102 27.873 D
Incentive Stock Option (right to buy) (9) 04/18/2011 Common Stock 9,720 31.188 D
Incentive Stock Option (right to buy) (10) 01/19/2015 Common Stock 3,000 32.455 D
Incentive Stock Option (right to buy) (11) 04/19/2010 Common Stock 4,000 36.516 D
Incentive Stock Option (right to buy) (3) 01/22/2019 Common Stock 2,398 37.845 D
Incentive Stock Option (right to buy) (4) 04/23/2019 Common Stock 859 45.88 D
Incentive Stock Option (right to buy) (5) 01/18/2016 Common Stock 2,490 54.235 D
Incentive Stock Option (right to buy) (6) 04/19/2016 Common Stock 1,282 66.03 D
Incentive Stock Option (right to buy) (7) 01/17/2018 Common Stock 2,399 84.93 D
Explanation of Responses:
1. This option becomes exercisable in four equal annual installments beginning July 16, 2004.
2. This option becomes exercisable in four equal annual installments beginning July 21, 2005
3. This option becomes exercisable in five equal annual installments beginning January 22, 2010.
4. This option becomes exercisable in five equal annual installments beginning April 23, 2010.
5. This option becomes exercisable in four equal annual installments beginning January 18, 2007.
6. This option becomes exercisable in five equal annual installments beginning April 19, 2007.
7. This option becomes exercisable in five equal annual installments beginning January 17, 2009.
8. Exercisable in five equal annual installments beginning April 17,2003.
9. The options become exercisable in five equal installments beginning April 18, 2002.
10. This option becomes exercisable in four equal annual installments beginning January 19, 2006.
11. The option became exercisable in five equal annual installments beginning April 19,2001.
By: Janet B. Glassmacher Attorney-in-Fact For: Stephanie Cox 05/07/2009
** 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 and Lynda M. Quagliara,
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.

April 24, 2009                   /s/ Stephanie Cox
				Stephanie Cox