Exhibit 32.2
CERTIFICATION OF CHIEF FINANCIAL OFFICER
PURSUANT TO
18 U.S.C. SECTION 1350
AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002
In connection with the Annual Report on Form 10-K of Schlumberger N.V. (Schlumberger Limited) (the “Company”)
for the year ended December 31, 2011 as filed with the Securities and Exchange Commission on the date hereof (the
“Report”), I, Simon Ayat, Executive Vice President and Chief Financial Officer of the Company, certify, pursuant to 18
U.S.C. § 1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, that:
(1) The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of
1934, as amended (the “Exchange Act”), and
(2) The information contained in the Report fairly presents, in all material respects, the financial condition and
results of operations of the Company.
Date: February 1, 2012
/s/ Simon Ayat
Simon Ayat
Executive Vice President and Chief Financial Officer
A signed original of this written statement required by Section 906 has been provided to Schlumberger Limited and
will be retained by Schlumberger Limited and furnished to the Securities and Exchange Commission or its staff upon
request.
This certification accompanies the Report pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 and shall not
be deemed filed by the Company for purposes of Section 18 of the Exchange Act.