(19)
(11) EP 3 721 047 A1

(12)

(43) Date of publication:
14.10.2020 Bulletin 2020/42

(21) Application number: 18885475.6

(22) Date of filing: 29.11.2018
(51) International Patent Classification (IPC): 
E21B 33/13(2006.01)
 E21B 33/138(2006.01)
(86) International application number:
PCT/NO2018/050297
(87) International publication number:
WO 2019/112438 (13.06.2019 Gazette 2019/24)
(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: 07.12.2017 NO 20171955

(71) Applicant: CannSeal AS
4031 Stavanger (NO)

(72) Inventor:
  • GUNNARSON, Bengt
    4085 Hundvåg (NO)

(74) Representative: Håmsø Patentbyrå AS 
P.O. Box 171
4301 Sandnes
4301 Sandnes (NO)

   


(54) A DEVICE FOR FORMING A BARRIER IN AN ANNULUS OF A WELL