Downhole communication
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United States of America Patent
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Apr 24, 2012
Grant Date -
Jan 10, 2008
app pub date -
Nov 28, 2005
filing date -
Dec 3, 2004
priority date (Note) -
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Abstract
A downhole signal receiving system where a pair of setting devices (51) are used to electrically connect with downhole structure and are connected to one another by a bulk conductor (52). Signals are extracted by using a detecting means (53) that does not interrupt the conduction path. The tool provides a low impedance conduction path along which signals from the surrounding structure can flow to facilitate detection.
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