(19)
(11) EP 4 416 371 A1

(12)

(43) Date of publication:
21.08.2024 Bulletin 2024/34

(21) Application number: 22818137.6

(22) Date of filing: 12.10.2022
(51) International Patent Classification (IPC): 
E21B 33/134(2006.01)
E21B 47/10(2012.01)
 E21B 47/06(2012.01)
(52) Cooperative Patent Classification (CPC):
E21B 47/06; E21B 33/134; E21B 47/10
(86) International application number:
PCT/US2022/046452
(87) International publication number:
WO 2023/064396 (20.04.2023 Gazette 2023/16)
(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: 12.10.2021 US 202117499439

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

(72) Inventors:
  • JAVED, Muhammad, Imran
    Abqaiq Mail Center Abqaiq, 31311 (SA)
  • AL-BARGHOUTI, Akram, R.
    Abqaiq, 31311 (SA)
  • KUMAR, Sanjiv
    Udhailiyah, 31311 (SA)

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

   


(54) METHODS AND TOOLS FOR DETERMINING BLEED-OFF PRESSURE AFTER WELL SECUREMENT JOBS