System for geophysical prospecting using induce electrokinetic effect
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United States of America Patent
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May 9, 2006
Grant Date -
N/A
app pub date -
Jun 9, 2004
filing date -
Feb 4, 2004
priority date (Note) -
Expired
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Abstract
Methods are disclosed employing seismic waves having infrasonic frequencies in the range of about 0.1 20 Hz for generating electromagnetic waves of similar infrasonic frequency in hydrocarbon bearing subterranean formations located at depths up to about 5000 meters, said electromagnetic waves having sufficient voltage amplitudes for detection at the earth's surface. Also disclosed are seismic sources capable of generating infrasonic seismic waves of sufficient amplitude for generating electromagnetic waves in hydrocarbon bearing formations at depths up to 5000 meters, said electromagnetic waves having voltage amplitudes sufficient for detection at the earth's surface.
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