(19)
(11) EP 0 632 882 A1

(12)

(43) Date of publication:
11.01.1995 Bulletin 1995/02

(21) Application number: 93905554.0

(22) Date of filing: 10.03.1993
(51) International Patent Classification (IPC): 
G01F 1/ 32( . )
G01F 7/ 00( . )
G01F 5/ 00( . )
(86) International application number:
PCT/GB1993/000498
(87) International publication number:
WO 1993/018372 (16.09.1993 Gazette 1993/22)
(84) Designated Contracting States:
DE ES FR GB IT NL

(30) Priority: 10.03.1992 GB 19920005190

(71) Applicant: SCHLUMBERGER INDUSTRIES LIMITED
Stretford, Manchester M32 0XX (GB)

(72) Inventors:
  • BOUCHER, Robert Francis, The Univers. of Sheffield
    Mappin Street, Sheffield S1 3JD (GB)
  • PRIESTMAN, Geoffrey Hugh, The Univ. of Sheffield
    Mappin Street, Sheffield S1 3JD (GB)

(74) Representative: Stoole, Brian David 
Schlumberger plc, Patent Department, 1 Kingsway, First Floor
London WC2B 6XH
London WC2B 6XH (GB)

   


(54) FLOW CIRCUIT AND FLOW METER