Antenna for downhole communication using surface waves
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United States of America Patent
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May 2, 2017
Grant Date -
Jan 19, 2017
app pub date -
Mar 11, 2015
filing date -
Mar 11, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
An assembly can include a casing string with an outer surface. The assembly can also include an antenna for wirelessly communicating data by generating a surface wave that propagates along an interface surface. The antenna can be positioned coaxially around the casing string. The antenna can include a cylindrically shaped conductor that is positionable coaxially around an outer surface of a casing string for generating a magnetic field component of the surface wave that is non-transverse to a direction of propagation of the surface wave along the interface surface. The antenna can also include a pair of conductive plates positioned at an angle to the cylindrically shaped conductor for generating an electric field component of the surface wave.
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