Measuring device for a seismic profile within a well-bore

Details Measuring device for a seismic profile within a well-bore Measuring device for a seismic profile within a well-bore

1987-01-29

1989-03-14

Steinberger, Brian S.

Acoustics

Geophysical or subsurface exploration

Seismic source and detector

181102, 181401, 367911, G01V 100, G01V 140

Patent

active

048118141

ABSTRACT:
A measuring device for a seismic profile within a well-bore includes resilient members such as springs which are flexible in at least two directions and are interposed between a geophone and a rigid arm connected to a measuring-tool body for applying the geophone against the wall of the well-bore during each detection of seismic waves generated at the ground surface. The elasticity of the resilient members is at least equal to the elasticity of the subsurface stratum through which the well-bore extends. The resonance frequency of the mass of the geophone with the resilient members is equal at a maximum to the resonance frequency defined by the geophone mass and elasticity of the subsurface stratum.

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