Electromagnetic telemetry apparatus and methods for use in wellbore applications
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United States of America Patent
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Jan 9, 2018
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app pub date -
Nov 26, 2012
filing date -
Nov 26, 2012
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Abstract
In one aspect, an apparatus for use in a wellbore is disclosed that may include a transmitter placed on an electrically-conductive member at a first location in the wellbore configured to induce electromagnetic waves that travel along an outside of the conduit and a receiver placed on the electrically-conductive member at a second distal location in the wellbore configured to detect the electromagnetic waves induced by the transmitter.
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