US Patent 7511819 Light source for a downhole spectrometer
Patent 7511819 was granted and assigned to Baker Hughes on March, 2009 by the United States Patent and Trademark Office.
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Patent abstract
The present invention provides an apparatus and method for high resolution spectroscopy using a narrow light beam source such as a superluminescent diode (SLD) and a tunable optical filter (TOF) for analyzing a formation fluid sample downhole and at the surface to determine formation fluid parameters. The SLD and TOF have a matching etendue. The analysis comprises determination of gas oil ratio, API gravity and various other fluid parameters which can be estimated after developing correlations to a training set of samples using a neural network or a chemometric equation.
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US Patent 07511819 Light source for a downhole spectrometer US Patent 7511819 Light source for a downhole spectrometer
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Patent Number
0751181900
Patent Number
751181900
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Current Assignee
Patent Jurisdiction
Patent Number
075118190
Date of Patent
March 31, 2009
0Patent Application Number
114872110
Date Filed
July 14, 2006
0Official Website
Patent Primary Examiner
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Is a
Current Assignee
Patent Jurisdiction
Patent Number
075118190
Date of Patent
March 31, 2009
0Patent Application Number
114872110
Date Filed
July 14, 2006
0Official Website
Patent Primary Examiner
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US Patent 07511819 Light source for a downhole spectrometer
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07511819
Date of patent
March 31, 2009
Patent application number
11487211
Date Filed
July 14, 2006
Patent primary examiner
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