Sidewall locking downhole seismic signal detector

Details Sidewall locking downhole seismic signal detector Sidewall locking downhole seismic signal detector

1990-11-13

1991-07-02

Kyle, Deborah L.

Acoustics

Geophysical or subsurface exploration

Well logging

181105, 181401, 367 25, 175 50, 73151, G01V 140

Patent

active

050279181

ABSTRACT:
Apparatus for carrying and positioning seismic detector equipment down a cased borehole and which includes a three component signal detector, azimuth sensing equipment and a particular type of borehole clamping arrangement that includes a combination of serrated locking pads, a contact rod and an inflatable bladder functioning in three point contact. An apparatus results that assures an improved form of three component geophone array that is lighter, easier handled and more reliably clamped within a borehole while having the additional azimuth sensing capability.

REFERENCES:
patent: 3370657 (1968-02-01), Antle
patent: 4293815 (1981-10-01), West et al.
patent: 4381610 (1983-05-01), Kramer
patent: 4648478 (1987-03-01), Dedole et al.
patent: 4651311 (1987-03-01), Owen et al.
patent: 4699240 (1987-10-01), Dedole
patent: 4702343 (1987-10-01), Paulsson
patent: 4715470 (1987-12-01), Paulsson

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