Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Billy John McKinzie, II0
Harold J. Vinegar0
Date of Patent
August 18, 2009
0Patent Application Number
114095630
Date Filed
April 21, 2006
0Patent Primary Examiner
Patent abstract
A system for monitoring temperature of a subsurface low temperature zone is described. The system includes a plurality of freeze wells configured to form the low temperature zone, one or more lasers, and a fiber optic cable coupled to at least one laser. A portion of the fiber optic cable is positioned in at least one freeze well. At least one laser is configured to transmit light pulses into a first end of the fiber optic cable. An analyzer is coupled to the fiber optic cable. The analyzer is configured to receive return signals from the light pulses.
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