(19)
(11) EP 1 200 710 A1

(12)

(43) Date of publication:
02.05.2002 Bulletin 2002/18

(21) Application number: 01906010.2

(22) Date of filing: 26.02.2001
(51) International Patent Classification (IPC)7E21B 47/12, H04B 10/152
(86) International application number:
PCT/GB0100/812
(87) International publication number:
WO 0181/725 (01.11.2001 Gazette 2001/44)
(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: 20.04.2000 GB 0009661

(71) Applicant: ABB Offshore Systems Limited
Bristol BS19 1BS (GB)

(72) Inventor:
  • BAGGS, Christopher David
    Weston-Super-Mare,Somerset BS23 2QU (GB)

(74) Representative: Newstead, Michael John et al
Page HargraveSouthgateWhitefriarsLewins Mead
Bristol BS1 2NT
Bristol BS1 2NT (GB)

   


(54) COMMUNICATIONS APPARATUS