Drilling system with downhole apparatus for determining parameters of interest and for adjusting drilling direction in response thereto
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United States of America Patent
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-
Aug 7, 2001
Issued Date -
N/A
app pub date -
Feb 1, 2000
filing date -
Dec 12, 1994
priority date (Note) -
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status (Latency Note)
Importance
Abstract
The present invention provides a measurement-while-drilling (MWD) system having a downhole computer and multiple downhole sensors. Relatively large amounts of basic or 'raw' data are measured by downhole sensors, and these data are processed within a downhole computer to be reduced to parameters of interest, which may be utilized to control the drilling operation by downhole devices, stored downhole, telemetered to the surface, or both. The measurements may be correlated downhole with stored reference data thereby providing additional information pertaining to the drilling operation. Downhole depth correlation between downhole measured parameters may be made by utilizing surface determined or downhole determined borehole depth.
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Cited Art Landscape
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