(19)
(11)
EP 1 485 571 A1
(12)
(43)
Date of publication:
15.12.2004
Bulletin 2004/51
(21)
Application number:
03701952.8
(22)
Date of filing:
03.02.2003
(51)
International Patent Classification (IPC)
7
:
E21B
33/038
,
F16L
27/02
(86)
International application number:
PCT/NO2003/000031
(87)
International publication number:
WO 2003/064809
(
07.08.2003
Gazette 2003/32)
(84)
Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT SE SI SK TR
Designated Extension States:
AL LT LV MK RO
(30)
Priority:
01.02.2002
NO 20020534
01.02.2002
US 60319
(71)
Applicant:
Smedvig Offshore AS
4001 Stavanger (NO)
(72)
Inventor:
ANDERSEN, Jan, Oddvar
N-4070 Randaberg (NO)
(74)
Representative:
Briddes, Sam
Onsagers Ltdc/o Innovation Norway5 Lower Regent Street
London SW1Y 4LR
London SW1Y 4LR (GB)
(54)
A TRIGGERING MECHANISM FOR DISCONNECTING A RISER FROM A RISER CONNECTOR