Communications: radio wave antennas – Antennas – Including magnetic material
Reexamination Certificate
2007-10-24
2010-06-22
Chen, Shih-Chao (Department: 2821)
Communications: radio wave antennas
Antennas
Including magnetic material
C343S793000, C324S338000
Reexamination Certificate
active
07742008
ABSTRACT:
A multipole antenna for conducting logging-while-drilling (LWD), includes a wire for one of producing and receiving an electromagnetic field, the wire having at least one winding for providing a magnetic moment in a first portion of the antenna that is opposite to the magnetic moment of a second portion of the antenna. A method for constructing the multipole antenna is provided. A LWD tool making use of the antenna is also provided.
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Signorelli Jack
Wang Tsili
Baker Hughes Incorporated
Cantor & Colburn LLP
Chen Shih-Chao
LandOfFree
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