(19)

(11)

EP 2 084 053 A1

(12)

(43) Date of publication: 05.08.2009 Bulletin 2009/32 (21) Application number: 07834786.1 (22) Date of filing: 25.10.2007

(51) International Patent Classification (IPC):  B63B 27/34(2006.01) E21B 17/01(2006.01) B63B 22/04(2006.01) (86) International application number: PCT/NO2007/000378 (87) International publication number: WO 2008/051090 (02.05.2008 Gazette 2008/18)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR (30) Priority: 26.10.2006 NO 20064900 (71) Applicant: Sevan Marine Asa 4836 Arendal (NO)	(72) Inventor: MAJOR, Fredrik 4836 Arendal (NO) (74) Representative: Tisthammer, Bjørn  Tandbergs Patentkontor AS P.O. Box 7085 Majorstua N-0306 Oslo N-0306 Oslo (NO)