The undersigned, in his capacity as a director or
officer, or both, of Schlumberger Limited, a Curacao
corporation (the "Company"), does hereby appoint each of
Saul R. Laureles and Lynda M. Quagliara, or either of them
acting singly, his/her true and lawful attorney-in fact
with full power of substitution, to (a) prepare, execute
in the undersigned's name and on the undersigned's behalf,
and submit to the U.S. Securities and Exchange Commission
(the "SEC") a Form ID, including amendments thereto, and
any other documents necessary or appropriate to obtain
codes, passwords and passphrases enabling the undersigned
to make electronic filings with the SEC of reports
required by Section 16(a) of the Securities Exchange Act
of 1934, as amended (the "Exchange Act"), or any rule or
regulation of the SEC; and (b) execute for and on behalf
of the undersigned, in the undersigned's capacity as a
director or officer, or both, of the Company, Forms 3, 4
and 5 in accordance with Section 16 of the Exchange Act,
as well as Forms 144, and complete and execute any
amendment or amendments thereto, and to file the same or
cause the same to be filed with the SEC.

	This Power of Attorney supersedes any and all prior
and existing powers of attorney signed by the undersigned
with respect to the subject matter hereof, and shall
remain in full force and effect until the undersigned is
no longer required to file Forms 3, 4, 5 or 144 with
respect to the undersigned's holdings of and transactions
in securities issued by the Company, unless earlier
revoked by the undersigned in a signed writing delivered
to the foregoing attorneys-in-fact.

May 15, 2016				/s/ Amerino Gatti
					Amerino Gatti