(19)
(11) EP 4 824 390 A1

(12)

(43) Date of publication:
21.10.2026 Bulletin 2026/43

(21) Application number: 24841060.7

(22) Date of filing: 13.12.2024
(51) International Patent Classification (IPC): 
E21B 43/12(2006.01)
H02K 44/02(2006.01)
(52) Cooperative Patent Classification (CPC):
H02K 44/02; E21B 43/128
(86) International application number:
PCT/US2024/060098
(87) International publication number:
WO 2025/129042 (19.06.2025 Gazette 2025/25)
(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:
GE KH MA MD TN

(30) Priority: 14.12.2023 US 202318539497

(71) Applicant: Saudi Arabian Oil Company
Dhahran, 31311 (SA)

(72) Inventors:
  • VILLETTE, Thibault
    Dhahran 31311 (SA)
  • TRAIDIA, Abderrazak
    Dhahran 31311 (SA)
  • ALSHAHRANI, Abdullah
    Dhahran 31311 (SA)
  • HIJLES, Ali, Abdulrazaq
    Dhahran 31311 (SA)
  • PARVEZ, Anwar
    Dhahran 31311 (SA)

(74) Representative: Osha BWB 
2, rue de la Paix
75002 Paris
75002 Paris (FR)

   


(54) A MAGNETO-HYDRODYNAMIC (MHD) CONNECTION PUMP AND A DOWNHOLE TUBING CONNECTION SYSTEM USING THE SAME