Method and apparatus to monitor, control and log subsea oil and gas wells
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United States of America Patent
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Jul 5, 2005
Grant Date -
Feb 5, 2004
app pub date -
Aug 1, 2003
filing date -
Jul 12, 2001
priority date (Note) -
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Abstract
A method and apparatus for logging, controlling, or monitoring a subsea well or group of wells through a path not within production tubing. Preferred embodiments allow logging tools, wire rope, optic fibers, electrical cables, monitoring and measuring instruments and other items known to those skilled in the art of oil and gas production to be disposed into the well without interfering with the flow path through the production string. A further preferred embodiment includes the mooring or tethering of an instrument pod over the subsea well. The instrument pod is designed to provide on-board data storage, data processing, data receiving, and data transmission equipment, such that data from the well can be transmitted back to a receiving network where the data may be stored and processed into useful information for reservoir operators.
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