SLB Schlumberger Ltd

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM SD

SPECIALIZED DISCLOSURE REPORT

SCHLUMBERGER N.V.

(SCHLUMBERGER LIMITED)

(Exact name of registrant as specified in its charter)

Saul R. Laureles

Director, Corporate Legal

(713) 513-2000

(Name and telephone number, including area code, of the person to contact in connection with this report.)

Check the appropriate box to indicate the rule pursuant to which this form is being filed, and provide the period to which the information in this form applies:

Section 1 – Conflict Minerals Disclosure

Items 1.01 and 1.02 Conflict Minerals Disclosure and Report; Exhibit

Conflict Minerals Disclosure

In accordance with Rule 13p-1 under the Securities Exchange Act of 1934, as amended, Schlumberger Limited (the “Company”) has filed this Specialized Disclosure Report and the Conflict Minerals Report attached hereto as Exhibit 1.01 for the year ended December 31, 2018. Both of these documents are publicly available on the Company’s website at: http://www.slb.com/about/accountability/conflict_minerals.aspx.

Section 2 – Exhibits

Item 2.01 Exhibits

Exhibit 1.01 – Conflict Minerals Report

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the duly authorized undersigned.

SCHLUMBERGER LIMITED

Date: May 14, 2019

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