(19)
(11) EP 1 257 460 A1

(12)

(43) Date of publication:
20.11.2002 Bulletin 2002/47

(21) Application number: 01910248.2

(22) Date of filing: 16.02.2001
(51) International Patent Classification (IPC)7B63B 35/00
// B63B35:44
(86) International application number:
PCT/NO0100/055
(87) International publication number:
WO 0106/0688 (23.08.2001 Gazette 2001/34)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 18.02.2000 NO 20000833
22.02.2000 US 183748 P

(71) Applicant: Vatsvag, Jan
4019 Stavanger (NO)

(72) Inventor:
  • Vatsvag, Jan
    4019 Stavanger (NO)

(74) Representative: Lerwill, John et al
A.A. Thornton & Co.235 High Holborn
London, WC1V 7LE
London, WC1V 7LE (GB)

   


(54) A SEMI-SUBMERSIBLE OFFSHORE LIFTING STRUCTURE, AND A METHOD FOR USING THE SAME