SYSTEM AND METHOD FOR INSTALLATION AND USE OF DEVICES IN MICROBOREHOLES

WIPO Patent Application WO2004033844

A3

Making measurements with a main borehole and a microborehole extending from the main boehole into the formation, is performed with sensing devices positioned to measure at zones located in the microborehole. One or more packers can be installed in the microborehole to hydraulically isolate the measurement zones from each other and/or main borehole. In a microborehole fluid samples can be taken, fluid tracers be injected and various sensors including geophones can be incorporated.

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COOK JOHN MERVYN (GB)
COOPER IAIN (GB)
JEFFRYES BENJAMIN PETER (GB)
COATES RICHARD TIMOTHY (US)
WANG WILLIAM LI-TIEN (GB)
HAMMOND PAUL (GB)
CHRISTIE PHILIP (GB)
NICHOLS DAVID (US)
BOLCHOVER PAUL (GB)

PCT/GB2003/004266

December 02, 2004

October 02, 2003

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SCHLUMBERGER HOLDINGS (VG)
2CHLUMBERGER CA LTD (CA)
SCHLUMBERGER SERVICES PETROL (FR)
COOK JOHN MERVYN (GB)
COOPER IAIN (GB)
JEFFRYES BENJAMIN PETER (GB)
COATES RICHARD TIMOTHY (US)
WANG WILLIAM LI-TIEN (GB)
HAMMOND PAUL (GB)
CHRISTIE PHILIP (GB)
NICHOLS DAVID (US)
BOLCHOVER PAUL (GB)

E21B33/124; E21B41/00; E21B47/00; E21B49/10; G01V11/00; (IPC1-7): E21B49/10; E21B41/00; E21B47/00; E21B33/124

WO1998050673A1

1998-11-12

US4167111A	1979-09-11
US4226288A	1980-10-07
US6234257B1	2001-05-22

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