Method of locating a member in a borehole

Details Method of locating a member in a borehole Method of locating a member in a borehole

1988-12-09

1989-11-07

Kyle, Deborah L.

Communications, electrical: acoustic wave systems and devices

Seismic prospecting

Well logging

181102, 181105, 175 40, 166250, 166383, 166153, 166 66, G01V 100

Patent

active

048796956

ABSTRACT:
Geophone detectors are spaced along a long borehole in a mineral seam by pumping grout from a grout tank into a breech assembly and selectively passing the detectors from the breech assembly through gate valves and into a drill string inserted in a borehole. The detectors are connected by a trailing signal cable and an anchor module secures the cable at the far end of the borehole. The detectors can be orientated in the borehole before the grout sets them in position.

REFERENCES:
patent: 3104714 (1963-09-01), Terrel et al.
patent: 4206810 (1980-06-01), Blackman
patent: 4418756 (1983-12-01), Yonker et al.
patent: 4560934 (1985-12-01), Dickinson III
patent: 4676310 (1987-06-01), Scherbatskoy et al.
patent: 4697638 (1987-10-01), Knight
patent: 4729429 (1988-03-01), Wittrisch

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