Advanced motor driven clamped borehole seismic receiver

Details Advanced motor driven clamped borehole seismic receiver Advanced motor driven clamped borehole seismic receiver

1991-10-15

1993-02-23

Steinberger, Brian S.

Acoustics

Geophysical or subsurface exploration

Well logging

181401, 367911, 166206, G01V 140

Patent

active

051892626

ABSTRACT:
A borehole seismic tool including a borehole clamp which only moves perpendicular to the borehole. The clamp is driven by an electric motor, via a right angle drive. When used as a seismic receiver, the tool has a three part housing, two of which are hermetically sealed. Accelerometers or geophones are mounted in one hermetically sealed part, the electric meter in the other hermetically sealed part, and the clamp and right angle drive in the third part. Preferably the tool includes cable connectors at both ends. Optionally a shear plate can be added to the clamp to extend the range of the tool.

REFERENCES:
patent: 2927459 (1960-03-01), Farrington
patent: 3777814 (1973-12-01), Gustavson et al.
patent: 4569412 (1986-02-01), Bouyoucos et al.
patent: 4702343 (1987-10-01), Paulsson
patent: 4805727 (1989-02-01), Hardee et al.
patent: 5031719 (1991-07-01), Baria et al.

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