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US Patent 7668411 Distributed vibration sensing system using multimode fiber

Patent 7668411 was granted and assigned to Schlumberger on February, 2010 by the United States Patent and Trademark Office.

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US Patent 12019200 Downhole monitoring using few-mode optical fiber based distributed acoustic sensing
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US Patent 11802783 Passive production logging instrument using heat and distributed acoustic sensing
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Patent abstract

An optical time domain reflectometry (OTDR) system is configured to detect Rayleigh backscatter reflected from a multimode sensing optical fiber. The system includes a single spatial mode filtering system to select a single speckle of the Rayleigh backscatter produced in response to an optical pulse launched into the multimode fiber. The detected single speckle may be used for distributed disturbance (vibration) detection.

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US Patent 11686871 Stimulated rock volume analysis
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US Patent 07668411 Distributed vibration sensing system using multimode fiber US Patent 7668411 Distributed vibration sensing system using multimode fiber

Infobox
Patent Number
0766841100
Patent Number
766841100
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Official Website
https://pdfpiw.uspto.gov/.piw?Docid=0766841100
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Infobox
Is a
Patent
Patent
0
Current Assignee
Schlumberger
Schlumberger
0
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
0
Patent Number
076684110
Date of Patent
February 23, 2010
0
Patent Application Number
121343390
Date Filed
June 6, 2008
0
Official Website
https://pdfpiw.uspto.gov/.piw?Docid=076684110
Patent Primary Examiner
Charlie Peng
Charlie Peng
0
Edits on 23 Sep, 2022
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edited on 23 Sep, 2022
Infobox
Is a
Patent
Patent
0
Current Assignee
Schlumberger
Schlumberger
0
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
0
Patent Number
076684110
Date of Patent
February 23, 2010
0
Patent Application Number
121343390
Date Filed
June 6, 2008
0
Official Website
https://pdfpiw.uspto.gov/.piw?Docid=076684110
Patent Primary Examiner
Charlie Peng
Charlie Peng
0
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Website URL
https://pdfpiw.uspto.gov/.piw?Docid=07668411
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 US Patent 07668411 Distributed vibration sensing system using multimode fiber

Infobox
Is a
Patent
Patent
Current assignee
Schlumberger
Schlumberger
Patent jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent number
07668411
Date of patent
February 23, 2010
Patent application number
12134339
Date Filed
June 6, 2008
Patent primary examiner
Charlie Peng
Charlie Peng

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