(19)
(11) EP 2 432 964 A2

(12)

(88) Date of publication A3:
31.03.2011

(43) Date of publication:
28.03.2012 Bulletin 2012/13

(21) Application number: 10719358.3

(22) Date of filing: 18.05.2010
(51) International Patent Classification (IPC): 
E21B 17/01(2006.01)
E21B 43/01(2006.01)
(86) International application number:
PCT/EP2010/056768
(87) International publication number:
WO 2010/133564 (25.11.2010 Gazette 2010/47)
(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 SE SI SK SM TR

(30) Priority: 20.05.2009 EP 09160763

(71) Applicant: Shell Internationale Research Maatschappij B.V.
2596 HR The Hague (NL)

(72) Inventors:
  • EFTHYMIOU, Michalakis
    NL-2288 GD Rijswijk (NL)
  • VAN DER MEYDEN, Herman Theodoor
    NL-2288 GS Rijswijk (NL)
  • PEK, Johan Jan Barend
    NL-2596 HR The Hague (NL)

(74) Representative: Matthezing, Robert Maarten et al
Shell Internationale Reseach Maatschappij B.V. Intellectual Property Services P.O. Box 384
2501 CJ The Hague
2501 CJ The Hague (NL)

   


(54) METHOD OF PROTECTING A FLEXIBLE RISER AND AN APPARATUS THEREFOR