Device for receiving sound waves in a well

Details Device for receiving sound waves in a well Device for receiving sound waves in a well

1987-05-07

1989-10-17

Steinberger, Brian S.

Acoustics

Geophysical or subsurface exploration

Well logging

181401, 367911, G01V 100, G01V 140

Patent

active

048740608

ABSTRACT:
A sound wave receiving device associated with a probe lowered into a well at the end of a cable and applied against the wall of the well by opening anchorage arms. In the part of the probe in contact with the wall of the well there is disposed at least one receiver assembly comprising a sensor case connected by a resilient sheath and a sleeve, movable along a cylinder integral with the body, to the rod of a piston sliding in said cylinder. A hydraulic and/or pneumatic system is provided for placing the case in contact with the wall and increasing the force of application of said case.

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