(19)
(11) EP 4 291 753 A1

(12)

(43) Date of publication:
20.12.2023 Bulletin 2023/51

(21) Application number: 22753359.3

(22) Date of filing: 10.02.2022
(51) International Patent Classification (IPC): 
E21B 43/26(2006.01)
G01V 1/137(2006.01)
(52) Cooperative Patent Classification (CPC):
E21B 43/26; E21B 49/008; E21B 47/06; E21B 2200/20
(86) International application number:
PCT/US2022/016010
(87) International publication number:
WO 2022/173971 (18.08.2022 Gazette 2022/33)
(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: 10.02.2021 US 202163148069 P

(71) Applicant: ConocoPhillips Company
Houston, Texas 77079 (US)

(72) Inventor:
  • SWAN, Herbert W.
    Houston, Texas 77079 (US)

(74) Representative: Simpson, Paul Christopher 
ConocoPhillips (U.K.) Limited 20th Floor 1 Angel Court
London EC2R 7HJ
London EC2R 7HJ (GB)

   


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