(19)
(11)
EP 1 144 803 A3
(12)
(88)
Date of publication A3:
30.08.2001
(43)
Date of publication A2:
17.10.2001
Bulletin 2001/42
(21)
Application number:
00954718.3
(22)
Date of filing:
17.08.2000
(51)
International Patent Classification (IPC)
7
:
E21B
34/10
(86)
International application number:
PCT/GB0003/200
(87)
International publication number:
WO 0101/2949
(
22.02.2001
Gazette 2001/08)
(84)
Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
Designated Extension States:
AL LT LV MK RO SI
(30)
Priority:
17.08.1999
GB 9919270
(71)
Applicant:
Quartech Engineering Limited
Tonbridge, Kent TN10 4NT (GB)
(72)
Inventor:
FRENCH, Clive, John
B-5100 Jambes (BE)
(74)
Representative:
Shanks, Andrew et al
Cruikshank & Fairweather,19 Royal Exchange Square
Glasgow G1 3AE
Glasgow G1 3AE (GB)
Remarks:
WIPO A3 publication data is not currently available.
(54)
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