(19)
(11) EP 2 167 788 A1

(12)

(43) Date of publication:
31.03.2010 Bulletin 2010/13

(21) Application number: 08766916.4

(22) Date of filing: 05.06.2008
(51) International Patent Classification (IPC): 
E21B 43/12(2006.01)
(86) International application number:
PCT/NO2008/000202
(87) International publication number:
WO 2008/150179 (11.12.2008 Gazette 2008/50)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR
Designated Extension States:
AL BA MK RS

(30) Priority: 05.06.2007 NO 20072862

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

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

(74) Representative: Onsagers Ltd 
c/o Innovation Norway 5 Lower Regent Street
London SW1Y 4LR
London SW1Y 4LR (GB)

   


(54) BELLOWS VALVE