(19)
(11) EP 4 577 720 A1

(12)

(43) Date of publication:
02.07.2025 Bulletin 2025/27

(21) Application number: 23777389.0

(22) Date of filing: 25.08.2023
(51) International Patent Classification (IPC): 
E21B 31/18(2006.01)
(52) Cooperative Patent Classification (CPC):
E21B 31/18
(86) International application number:
PCT/NO2023/060037
(87) International publication number:
WO 2024/043789 (29.02.2024 Gazette 2024/09)
(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: 26.08.2022 NO 20220918

(71) Applicant: Welltec A/S
3450 Allerød (DK)

(72) Inventors:
  • MALAFEY, Vladimir
    3083 Holmestrand (NO)
  • KRISTIANSEN, Roy
    4314 Sandnes (NO)
  • JOHNSEN, Geir Magne Mo
    4015 Stavanger (NO)
  • HAUGEN, Stian Gausel
    4014 Stavanger (NO)
  • IBRAGIMOV, Alexander
    4052 Røyneberg (NO)

(74) Representative: Dragsted Partners A/S 
Rådhuspladsen 16
1550 Copenhagen V
1550 Copenhagen V (DK)

   


(54) WELLBORE FISHING TOOL