(84) |
Designated Contracting States: |
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DE ES FR GB IT NL |
(30) |
Priority: |
10.03.1992 GB 19920005190
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(71) |
Applicant: SCHLUMBERGER INDUSTRIES LIMITED |
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Stretford, Manchester M32 0XX (GB) |
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(72) |
Inventors: |
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- 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)
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(74) |
Representative: Stoole, Brian David |
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Schlumberger plc, Patent Department, 1 Kingsway, First Floor London WC2B 6XH London WC2B 6XH (GB) |
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