(19)

(11)

EP 2 544 853 A1

(12)

(43) Date of publication: 16.01.2013 Bulletin 2013/03 (21) Application number: 11714811.4 (22) Date of filing: 08.03.2011

(51) International Patent Classification (IPC):  B23P 19/02(2006.01) (86) International application number: PCT/GB2011/050456 (87) International publication number: WO 2011/110844 (15.09.2011 Gazette 2011/37)

(84) Designated Contracting States: AL 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 RS SE SI SK SM TR (30) Priority: 08.03.2010 GB 201003798 (71) Applicant: Ross Offshore Consultancy Limited Aberdeen, Aberdeenshire AB12 3HT (GB)	(72) Inventor: Ross, Toby Aberdeen AB12 3HT (GB) (74) Representative: Fulton, David James et al Lincoln IP 9 Victoria Street Aberdeen AB10 1XB Aberdeen AB10 1XB (GB)