Mud pulse telemetry data modulation technique
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United States of America Patent
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Nov 6, 2012
Grant Date -
Aug 5, 2010
app pub date -
Jan 30, 2009
filing date -
Jan 30, 2009
priority date (Note) -
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Abstract
A technique for communicating data within a wellbore is provided. In one embodiment, a method includes receiving digital data and encoding the digital data into symbols each representative of one or more data bits of the digital data. In this embodiment, the method also includes modulating the phase of an acoustic wave within the wellbore to represent the plurality of symbols, wherein modulating the phase of an acoustic wave includes changing the phase of the acoustic wave such that the acoustic wave includes smooth phase transitions between successive phases representative of the plurality of symbols. Various additional methods, systems, and devices are also provided.
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