Method for conducting multiple natural frequency seismic surveys

Details Method for conducting multiple natural frequency seismic surveys Method for conducting multiple natural frequency seismic surveys

1993-04-21

1994-08-02

Eldred, J. Woodrow

Communications, electrical: acoustic wave systems and devices

Seismic prospecting

Land-reflection type

367178, 181108, 181112, 181122, G01V 100

Patent

active

053352084

ABSTRACT:
A seismic sensor platform comprises an open frame and a plurality of seismic motion sensors vertically positioned in a common horizontal plane in spaced relationship around the periphery of the open frame. A spike associated with each of the sensors extends beneath the open frame for anchoring each of the sensors in the earth. The frame includes a shield for protecting the sensors from physical damage and for shielding them from seismic noise. Second and third pluralities of horizontally positioned sensors may be provided on the frame, orthogonally positioned with respect to each other to sense orthogonal components of reflected seismic waves. The sensors may each be of a different natural frequency to optimize the multi frequency output of the sensor array.

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