(19)
(11) EP 0 397 772 A1

(12)

(43) Date of publication:
22.11.1990 Bulletin 1990/47

(21) Application number: 89902273.0

(22) Date of filing: 06.02.1989
(51) International Patent Classification (IPC): 
B63C 11/ 40( . )
E21B 41/ 04( . )
(86) International application number:
PCT/GB1989/000102
(87) International publication number:
WO 1989/007070 (10.08.1989 Gazette 1989/18)
(84) Designated Contracting States:
FR GB

(30) Priority: 06.02.1988 GB 19880002711
22.08.1988 GB 19880019912

(71) Applicants:
  • MOBIL OIL CORPORATION
    New York New York 10017 (US)
  • FSSL LIMITED
    Aberdeenshire AB4 9RF (GB)
  • CAMERON OFFSHORE ENGINEERING LIMITED
    Surrey GU21 1DG (GB)

(72) Inventors:
  • CHAPMAN, Iain, McLean
    Aboyne Aberdeen (GB)
  • LOGAN, William, Allan, Dempster
    Bieldside Aberdeen (GB)
  • Lawson,John,Ernest
    Woking Surrey, GU21 4LW (GB)
  • HATTON,Stephen,Anthony
    Woking Surrey, 9BQ (GB)

(74) Representative: Jones, Alan John 
CARPMAELS & RANSFORD 43 Bloomsbury Square
London, WC1A 2RA
London, WC1A 2RA (GB)

   


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