Bidirectional telemetry apparatus and methods for wellbore operations
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United States of America Patent
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Jan 13, 2009
Grant Date -
Dec 28, 2006
app pub date -
May 10, 2006
filing date -
May 10, 2005
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A system and method for communicating data between a downhole tool and a surface controller is provided that comprises a rotating drill string extending in a borehole and having a downhole telemetry module disposed proximate a bottom end thereof and transmitting a first signal across a telemetry channel. A surface telemetry module is disposed proximate a top end of the rotating drill string and is adapted to receive the first signal transmitted by the downhole telemetry module across the transmission channel. The surface telemetry module has a radio frequency transmitter disposed therein for transmitting a second signal related to the first signal. A stationary communication module has a radio frequency receiver adapted to receive the second signal.
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