(19)

(11)

EP 2 414 225 A2

(12)

(88) Date of publication A3: 20.10.2011 (43) Date of publication: 08.02.2012 Bulletin 2012/06 (21) Application number: 10719040.7 (22) Date of filing: 02.04.2010

(51) International Patent Classification (IPC):  B63H 21/38(2006.01) B63C 11/00(2006.01) F04C 15/00(2006.01) B63H 21/17(2006.01) B63G 8/00(2006.01) (86) International application number: PCT/GB2010/050587 (87) International publication number: WO 2010/112944 (07.10.2010 Gazette 2010/40)

(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 (30) Priority: 03.04.2009 GB 0905783 (71) Applicant: Subsea 7 Limited Aberdeenshire AB32 6FE (GB)	(72) Inventor: MCDONALD, James Peter Aberdeenshire AB12 3JR (GB) (74) Representative: Lawrence, Richard Anthony et al Keltie LLP Fleet Place House 2 Fleet Place London EC4M 7ET London EC4M 7ET (GB)