Electroseismic prospecting by detection of an electromagnetic signal produced by dipolar movement
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United States of America Patent
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Feb 27, 1990
Grant Date -
N/A
app pub date -
Dec 21, 1988
filing date -
Dec 21, 1988
priority date (Note) -
Expired
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Abstract
A method of electroseismic prospecting is disclosed for detecting either the presence of two immiscible fluids present in a porous subterranean formation or the presence of a high-permeability rock formation including a substantially aqueous phase therein. A seismic impact produces an acoustical wavefront that results in an enhanced electromagnetic signal when it encounters either types of the above-described formations. This resulting enhanced electromagnetic signal is detectable as an indication of a likely hydrocarbon deposit, thereby giving additional data information with conventional seismic data to the geophysical prospector.
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