(19)

(11)

EP 2 490 931 A1

(12)

(43) Date of publication: 29.08.2012 Bulletin 2012/35 (21) Application number: 09748290.5 (22) Date of filing: 23.10.2009

(51) International Patent Classification (IPC):  B63B 21/50(2006.01) (86) International application number: PCT/EP2009/063987 (87) International publication number: WO 2011/047736 (28.04.2011 Gazette 2011/17)

(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 MK MT NL NO PL PT RO SE SI SK SM TR (71) Applicant: Bluewater Energy Services B.V. 2132 HR Hoofddorp (NL)	(72) Inventors: LEEUWENBURGH, Richard NL-2652 GW Berkel en Rodenrijs (NL) OTTOLINI, Patrizio Giovanni Matia NL-2215 MA Voorhout (NL) (74) Representative: De Vries & Metman  Overschiestraat 180 1062 XK Amsterdam 1062 XK Amsterdam (NL)