(19)
(11) EP 3 371 413 A1

(12)

(43) Date of publication:
12.09.2018 Bulletin 2018/37

(21) Application number: 16797470.8

(22) Date of filing: 03.11.2016
(51) International Patent Classification (IPC): 
E21B 33/12(2006.01)
E21B 34/06(2006.01)
 E21B 33/134(2006.01)
(86) International application number:
PCT/EP2016/076480
(87) International publication number:
WO 2017/076937 (11.05.2017 Gazette 2017/19)
(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

(30) Priority: 05.11.2015 NO 20151496

(71) Applicant: Interwell Technology AS
7053 Ranheim (NO)

(72) Inventor:
  • HIORTH, Espen
    N-7024 Trondheim (NO)

(74) Representative: Onsagers AS 
P.O. Box 1813 Vika
0123 Oslo
0123 Oslo (NO)

   


(54) WELL TOOL COMPRISING A FRANGIBLE WELL BARRIER, AND A METHOD FOR PROVIDING SUCH A WELL TOOL