Machine method and apparatus for determining the presence and location of hydrocarbon deposits within a subsurface earth formation
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United States of America Patent
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Jan 18, 1983
Issued Date -
N/A
app pub date -
Jul 25, 1979
filing date -
Feb 2, 1970
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In accordance with illustrative embodiments of the present invention, methods for processing well logging data comprise deriving measurements of a plurality of earth formation parameters and combining these measurements in a new manner to enable interpretation of shales and shaly sand type formations. More particularly, measurements of a plurality of the hydrogen index, bulk density, radially deep and shallow resistivity, spontaneous potential, acoustic travel time and natural formation radioactivity content are made and combined in a manner to produce data useful in evaluating shales and shaly sand type formations.
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