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(11)

EP 4 263 390 A1

(12)

(43) Date of publication: 25.10.2023 Bulletin 2023/43 (21) Application number: 21839555.6 (22) Date of filing: 17.12.2021

(51) International Patent Classification (IPC):  B65D 88/78(2006.01) B65D 90/46(2006.01) B63B 21/50(2006.01) E21B 43/01(2006.01) (52) Cooperative Patent Classification (CPC): B65D 88/78; B65D 90/46; B65D 2590/046; E21B 43/01; B63B 22/26; B63B 22/20; E21B 17/012 (86) International application number: PCT/EP2021/086670 (87) International publication number: WO 2022/129624 (23.06.2022 Gazette 2022/25)

(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: KH MA MD TN (30) Priority: 18.12.2020 GB 202020114 (71) Applicant: Subsea 7 Norway AS 4033 Stavanger (NO)	(72) Inventors: SAETERDAL, Morten 4353 Klepp (NO) DAASVATN, Sigbjørn 4737 Hornnes (NO) (74) Representative: Keltie LLP  No. 1 London Bridge London SE1 9BA London SE1 9BA (GB)