(19)
(11) EP 4 121 630 A1

(12)

(43) Date of publication:
25.01.2023 Bulletin 2023/04

(21) Application number: 20724347.8

(22) Date of filing: 17.04.2020
(51) International Patent Classification (IPC): 
E21B 43/10(2006.01)
(52) Cooperative Patent Classification (CPC):
E21B 43/103
(86) International application number:
PCT/US2020/028690
(87) International publication number:
WO 2021/188124 (23.09.2021 Gazette 2021/38)
(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 MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
KH MA MD TN

(30) Priority: 18.03.2020 US 202016822659

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

(72) Inventors:
  • BADEGHAISH, Wael, O.
    Dhahran, 31311 (SA)
  • NOUI-MEHIDI, Mohamed
    Dhahran Dhahran, 31311 (SA)
  • AL MULHEM, Abdulrahman, Abdulaziz
    Dhahran, 31311 (SA)

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

   


(54) WELL CONDUIT LINING METHOD AND SYSTEM