Telemetry system for borehole drilling

Details Telemetry system for borehole drilling Telemetry system for borehole drilling

1987-05-05

1988-12-20

Jordan, Charles T.

Communications: electrical

Wellbore telemetering or control

In horizontal or inclined passage arrangement

340857, 174 47, G01V 100

Patent

active

047928026

ABSTRACT:
A telemetry system for borehole drilling comprises an effectively continuous length of hardwire cable which extends along a drill string located in a borehole between electrical signal control, indication equipment situated outside the borehole and probe means situated within the borehole. The effective continuous length of hardwire includes a store of hardwire constituted by a bonded wound hollow coil of hardwire located adjacent the probe means.

REFERENCES:
patent: 3904840 (1975-09-01), Kostelnicek
patent: 4276333 (1981-06-01), Cobean
patent: 4319240 (1982-03-01), Stone et al.
patent: 4325438 (1982-04-01), Zuvela
"Expendable Wire Links", Book of Preprints, Marine Technology Soc., 7th Annual Conference, .COPYRGT.1971 by H. C. Hottel, Jr.

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