(19)
(11) EP 2 536 916 A2

(12)

(88) Date of publication A3:
15.03.2012

(43) Date of publication:
26.12.2012 Bulletin 2012/52

(21) Application number: 11703017.1

(22) Date of filing: 15.02.2011
(51) International Patent Classification (IPC): 
E21B 34/10(2006.01)
 E21B 21/10(2006.01)
(86) International application number:
PCT/EP2011/052211
(87) International publication number:
WO 2011/101344 (25.08.2011 Gazette 2011/34)
(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

(30) Priority: 16.02.2010 NO 20100228

(71) Applicant: Petroleum Technology Company AS
4032 Stavanger (NO)

(72) Inventors:
  • KLEPPA, Erling
    N-4100 Jørpeland (NO)
  • PETTERSEN, Ståle
    N-4326 Sandnes (NO)
  • SEVHEIM, Ole
    N-4019 Stavanger (NO)
  • STOKKA, Øyvind
    N-4315 Sandnes (NO)

(74) Representative: Onsagers AS 
Munkedamsveien 35 P.O. Box 1813 Vika
0123 Oslo
0123 Oslo (NO)

   


(54) A VALVE DEVICE FOR A SIDE POCKET OR A SUB IN A WELL