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US Patent 8976625 Optimization approach to Q-factor estimation from VSP data

Patent 8976625 was granted and assigned to Baker Hughes on March, 2015 by the United States Patent and Trademark Office.

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US Patent 12000277 Water detection for geosteering in directional drilling
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US Patent 12000223 Geosteering in directional drilling
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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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US Patent 11781419 Instrumented mandrel for coiled tubing drilling
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Patent Inventor Names
Emanouil Blias0
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US Patent 08976625 Optimization approach to Q-factor estimation from VSP data US Patent 8976625 Optimization approach to Q-factor estimation from VSP data

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Patent Number
089766250
Patent Number
89766250
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Official Website
https://pdfpiw.uspto.gov/.piw?Docid=089766250
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Infobox
Is a
Patent
Patent
0
Current Assignee
Baker Hughes
Baker Hughes
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Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
0
Patent Number
089766250
Date of Patent
March 10, 2015
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Patent Application Number
132810510
Date Filed
October 25, 2011
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Official Website
https://pdfpiw.uspto.gov/.piw?Docid=089766250
Patent Primary Examiner
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Ian J. Lobo
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 US Patent 08976625 Optimization approach to Q-factor estimation from VSP data

Infobox
Is a
Patent
Patent
Current assignee
Baker Hughes
Baker Hughes
Patent jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent number
08976625
Date of patent
March 10, 2015
Patent application number
13281051
Date Filed
October 25, 2011
Patent primary examiner
‌
Ian J. Lobo

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