Downhole communication
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Jun 30, 2009
Grant Date -
May 31, 2007
app pub date -
Nov 17, 2005
filing date -
Nov 17, 2005
priority date (Note) -
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Abstract
Methods of and apparatus for a downhole communication in a well. The well has a metallic structure which includes an insulated metallic, fluid carrying, control line. The method comprises the steps of applying signals to the control line at a first location and extracting the signals from the control line at a second location.There is also provided a downhole communication system for use in a well having a metallic structure. The metallic structure includes an insulated metallic, fluid carrying, control line. The system comprises means for applying signals to the control line at a first location and means for extracting the signals from the control line at a second location. The control line acts as a signal channel.Other methods and apparatus making use of control line carrying no fluid and/or the metallic shielding of cable having insulated metallic shield are also described.
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