(19)
(11)EP 2 334 545 A2

(12)

(88)Date of publication A3:
16.12.2010

(43)Date of publication:
22.06.2011 Bulletin 2011/25

(21)Application number: 09774936.0

(22)Date of filing:  06.10.2009
(51)International Patent Classification (IPC): 
B63B 35/44(2006.01)
E21B 17/01(2006.01)
B63B 22/02(2006.01)
(86)International application number:
PCT/IB2009/055204
(87)International publication number:
WO 2010/041229 (15.04.2010 Gazette  2010/15)
(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: 09.10.2008 US 104001 P
07.11.2008 GB 0820395

(71)Applicant: Acergy France SA
92150 Suresnes (FR)

(72)Inventor:
  • LEGRAS, Jean-Luc
    Houston Texas 77080 (US)

(74)Representative: Lawrence, Richard Anthony et al
Keltie LLP Fleet Place House 2 Fleet Place
London EC4M 7ET
London EC4M 7ET (GB)

  


(54)BUOYANCY DEVICE FOR MARINE STRUCTURES