Communications: electrical – Wellbore telemetering or control – Using a specific transmission medium
Reexamination Certificate
2005-01-25
2005-01-25
Wong, Albert K. (Department: 2635)
Communications: electrical
Wellbore telemetering or control
Using a specific transmission medium
C367S082000, C175S045000, C073S152030
Reexamination Certificate
active
06847304
ABSTRACT:
An apparatus for use in drilling or producing from a well bore, the apparatus comprising a downhole member such as a drilling device or a production device which is capable of being attached to a tubular such as a drill string, production string or the like, means for rotating a tubular, control means for controlling the rotation of said tubular in order to transmit information along said tubular and means for monitoring the rotation of said tubular and for decoding said information transmitted along said tubular such that a magnitude of a parameter can be determined by the drilling member from the rotation or said tubular. The invention also relates to a method for communicating with a downhole tool using the apparatus.
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Alworth C. W.
RST (BVI), Inc.
Wong Albert K.
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