(19)
(11) EP 3 592 943 A1

(12)

(43) Date of publication:
15.01.2020 Bulletin 2020/03

(21) Application number: 18710683.6

(22) Date of filing: 28.02.2018
(51) International Patent Classification (IPC): 
E21B 43/10(2006.01)
E21B 33/10(2006.01)
(86) International application number:
PCT/US2018/020100
(87) International publication number:
WO 2018/164896 (13.09.2018 Gazette 2018/37)
(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:
MA MD TN

(30) Priority: 06.03.2017 US 201715450679

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

(72) Inventors:
  • RICO, Ramon Rodriguez
    Dhahran 31311 (SA)
  • ABOUELNAAJ, Khaled K.
    Dhahran 31311 (SA)

(74) Representative: Conroy, John 
Fish & Richardson P.C. Highlight Business Towers Mies-van-der-Rohe-Straße 8
80807 München
80807 München (DE)

   


(54) MONO-BORE WELLBORE COMPLETION WITH A RETRIEVABLE PORTION