Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Emanouil Blias0
Date of Patent
March 10, 2015
0Patent Application Number
132810510
Date Filed
October 25, 2011
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A zero-offset VSP survey is carried out with spaced apart receivers located in a vertical wellbore. Spectra of the signals at the receivers following wavefield separation are estimated. An absorption coefficient is estimated using differences in spectra between all pairs of receivers.
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