EXHIBIT 23.1 CONSENT OF INDEPENDENT ACCOUNTANTS We hereby consent to the incorporation by reference in the Prospectus constituting part of this Registration Statement on Form S-4 of Schlumberger Limited of our report dated January 21, 1998, appearing on page 44 of the issuer's Annual Report on Form 10-K for the hear ended December 31, 1997. We also consent to the reference to us under the heading "Experts" in such Prospectus. /s/ PricewaterhouseCoopers LLP PricewaterhouseCoopers LLP New York, New York July 23, 1998