Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Xiao Ming Tang0
Alexei Bolshakov0
Edward Domangue0
Date of Patent
August 31, 2010
Patent Application Number
11599919
Date Filed
November 15, 2006
Patent Citations Received
Patent Primary Examiner
Patent abstract
A method and apparatus for evaluating a bond between a formation and a bonding material. The method includes emitting a shear wave into the tubular, recording the response of the shear wave, and evaluating the response to obtain bond information. The bond information includes bond material thickness and efficacy of the bond between cement and formation. The method includes studying and utilizing the time lag of the direct wave and wave events, as well as the interference of these waves on a spectral graph. A calibration method is included as well.
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