(19)

(11)

EP 2 313 305 A2

(12)

(88) Date of publication A3: 24.02.2011 (43) Date of publication: 27.04.2011 Bulletin 2011/17 (21) Application number: 09785457.4 (22) Date of filing: 07.08.2009

(51) International Patent Classification (IPC):  B63B 21/04(2006.01) (86) International application number: PCT/GB2009/050987 (87) International publication number: WO 2010/018396 (18.02.2010 Gazette 2010/07)

(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 Designated Extension States: AL BA RS (30) Priority: 11.08.2008 GB 0814604 (71) Applicant: Subsea 7 Contracting (UK) Limited Westhill Aberdeen Aberdeenshire AB32 6JZ (GB)	(72) Inventor: BOWIE, Malcolm Aberdeenshire AB14 0LP (GB) (74) Representative: Lawrence, Richard Anthony et al Keltie Fleet Place House 2 Fleet Place London EC4M 7ET London EC4M 7ET (GB)