(19)

(11)

EP 3 137 838 A2

(12)

(88) Date of publication A3: 07.01.2016 (43) Date of publication: 08.03.2017 Bulletin 2017/10 (21) Application number: 15720686.3 (22) Date of filing: 29.04.2015

(51) International Patent Classification (IPC):  F28F 19/00(2006.01) E21B 41/00(2006.01) F28D 7/14(2006.01) E21B 36/00(2006.01) F28D 7/10(2006.01) (86) International application number: PCT/EP2015/059343 (87) International publication number: WO 2015/165969 (05.11.2015 Gazette 2015/44)

(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 (30) Priority: 30.04.2014 NO 20140561 (71) Applicant: FMC Kongsberg Subsea AS 3601 Kongsberg (NO)	(72) Inventors: BAGGERUD, Erik N-1358 Jar (NO) TILLER, Idun, Bente N-1386 Asker (NO) (74) Representative: Onsagers AS  P.O. Box 1813 Vika 0123 Oslo 0123 Oslo (NO)