System and method for steering in a downhole environment using vibration modulation
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United States of America Patent
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Mar 3, 2015
Grant Date -
Dec 11, 2014
app pub date -
Aug 25, 2014
filing date -
May 9, 2012
priority date (Note) -
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Abstract
A system is provided for communicating within a borehole using controlled vibrations. A movement mechanism uses mechanical energy provided by a mechanical energy source to enable translational movement of a first surface relative to a second surface to allow the first surface to repeatedly impact the second surface to produce a plurality of vibration beats. The vibration beats will occur whenever the mechanical energy is provided by the mechanical energy source at one of at least three impact levels. A vibration control mechanism selectively controls an amplitude of the plurality of vibration beats to encode information therein. The amplitude of a vibration beat is selectively controlled by regulating the impact of the first surface and the second surface to one of the at least three impact levels.
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