Induced polarization method and apparatus for distinguishing dispersed and laminated clay in earth formations
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United States of America Patent
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Sep 6, 1988
Grant Date -
N/A
app pub date -
Sep 30, 1986
filing date -
Sep 30, 1986
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Logging means and methods are disclosed for distinguishing between dispersed and laminated clay in earth formations. A wireline apparatus is employed consisting of a multifrequency induced polarization logging tool operating at extremely low frequencies, combined with other logging tools which measure the total amount of clay in the formation. A determination is then made of the fraction of the total clay content in the formation which is due to laminated clay.
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