Exhibit 24

Power of Attorney

Each of the undersigned, being a director or officer, or both, of Schlumberger Limited, a Curaçao corporation (“SLB”), hereby constitutes and appoints Howard Guild and Dianne B. Ralston, and each of them, his or her true and lawful attorney-in-fact and agent, with full and several power of substitution, resubstitution and revocation and to act with or without the others, for him or her and in his or her name, place and stead in any and all capacities: (i) to execute one or more registration statements (whether on Form S-4 or such other form as may be required) relating to the issuance of the SLB common stock in connection with the merger of an indirect wholly owned subsidiary of SLB with and into ChampionX Corporation and any and all amendments (including post-effective amendments) thereto, and any and all other instruments and documents as may be necessary, advisable or appropriate to enable SLB to comply with the Securities Act of 1933, as amended (the “Securities Act”), and all other federal and state securities laws; and (ii) to file this registration statement and any and all amendments and supplements thereto, with any exhibits thereto, and other documents in connection therewith, with the Securities and Exchange Commission, in each case, in such forms as they or any one of them may approve, granting unto said attorneys-in-fact and agents, and each of them, full power and authority to do and perform each and every act and thing requisite and necessary to be done to the end that such registration statements will comply with the Securities Act, and the applicable Rules and Regulations adopted or issued pursuant thereto, as fully and to all intents and purposes as he or she might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents, or any of them or their substitute or resubstitute, may lawfully do or cause to be done by virtue hereof.

This Power of Attorney may be signed in any number of counterparts, each of which will constitute an original and all of which, taken together, will constitute one Power of Attorney.

/s/ Peter Coleman		/s/ Tatiana Mitrova
Peter Coleman Director		Tatiana Mitrova Director
/s/ Patrick de La Chevardière		/s/ Maria Moræus Hanssen
Patrick de La Chevardière Director		Maria Moræus Hanssen Director
/s/ Miguel Galuccio		/s/ Vanitha Narayanan
Miguel Galuccio Director		Vanitha Narayanan Director
/s/ James Hackett		/s/ Jeff Sheets
James Hackett Chairman of the Board		Jeff Sheets Director
/s/ Olivier Le Peuch		/s/ Ulrich Spiesshofer
Olivier Le Peuch Chief Executive Officer and Director		Ulrich Spiesshofer Director
/s/ Samuel Leupold
Samuel Leupold Director

/s/ Stephane Biguet

Stephane Biguet
Executive Vice President and
Chief Financial Officer

Date: April 29, 2024