Method for determining the extent of subsurface reaction involving acoustic signals
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United States of America Patent
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Jun 28, 1983
Issued Date -
N/A
app pub date -
Apr 13, 1981
filing date -
Mar 22, 1978
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method determines the extent of subsurface reactions in which random acoustic signals are radiated from a whole area covered by the reaction or from a boundary region, hereafter termed reaction front, between largely undisturbed rocks and those already covered by the reaction. The signals are recorded by at least two receivers positioned at different locations outside the reaction area. The recorded signals are cross-correlated as a function of a time shift between the recorded signals so that at least one surface confining the reaction area is determined from the cross-correlation.
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