(19)
(11) EP 4 555 191 A1

(12)

(43) Date of publication:
21.05.2025 Bulletin 2025/21

(21) Application number: 23840379.4

(22) Date of filing: 17.07.2023
(51) International Patent Classification (IPC): 
E21B 34/06(2006.01)
E21B 47/01(2012.01)
(52) Cooperative Patent Classification (CPC):
E21B 47/01; E21B 34/06
(86) International application number:
PCT/US2023/027926
(87) International publication number:
WO 2024/015635 (18.01.2024 Gazette 2024/03)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA
Designated Validation States:
KH MA MD TN

(30) Priority: 15.07.2022 US 202263368495 P

(71) Applicants:
  • Services Pétroliers Schlumberger
    75007 Paris (FR)

    FR 
  • Schlumberger Technology B.V.
    2514 JG The Hague (NL)

    AL AT BE BG CH CY CZ DE DK EE ES FI GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR 

(72) Inventors:
  • GRANDGIRARD, Eric
    92140 Clamart (FR)
  • ARUMUGAM, Arunkumar
    Rosharon, Texas 77583-1590 (US)
  • ELSTON, Cassius Alexander
    Pearland, Texas 77584 (US)
  • GUVEN, Oguzhan
    Rosharon, Texas 77583-1590 (US)
  • CANDIANI, Ivan Caliu
    1451 Taubate (BR)
  • MACHADO, Bernardo
    1451 Taubate (BR)
  • SCUSSIATO, Eduardo
    12072-250 Taubate (BR)
  • LARDY, David
    Rosharon, Texas 77583 (US)

(74) Representative: Schlumberger Intellectual Property Department 
Parkstraat 83
2514 JG Den Haag
2514 JG Den Haag (NL)

   


(54) ELECTRO-MECHANICAL ACTUATOR ASSEMBLY