Logging while drilling tool with azimuthal sensistivity
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United States of America Patent
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Apr 6, 1999
Grant Date -
N/A
app pub date -
Mar 6, 1997
filing date -
Mar 6, 1997
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An azimuthally sensitive LWD tool is disclosed, comprising a transmitting antenna, a receiving antenna, wherein the receiving antenna is azimuthally focused so as to be more sensitive to changes in magnetic flux in a particular azimuthal segment of the antenna and means for measuring current induced in the receiving antenna as a result of current flowing through said transmitting antenna.
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Family
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Cited Art Landscape
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