(19)

(11)

EP 3 436 641 A1

(12)

(43) Date of publication: 06.02.2019 Bulletin 2019/06 (21) Application number: 17722121.5 (22) Date of filing: 29.03.2017

(51) International Patent Classification (IPC):  E02B 3/12(2006.01) B63C 7/16(2006.01) (86) International application number: PCT/GB2017/050883 (87) International publication number: WO 2017/168150 (05.10.2017 Gazette 2017/40)

(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 Designated Extension States: BA ME Designated Validation States: MA MD (30) Priority: 31.03.2016 GB 201605449 (71) Applicant: Subsea 7 Limited Sutton, Surrey SM2 5BN (GB)	(72) Inventor: HUTCHENS, Christopher Allan Oban Argyll PA37 1ST (GB) (74) Representative: Cummings, Sean Patrick  Keltie LLP No.1 London Bridge London SE1 9BA London SE1 9BA (GB)