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Title:
EVANESCENT WAVE DOWNHOLE FIBER OPTIC SPECTROMETER
Document Type and Number:
WIPO Patent Application WO/2010/083386
Kind Code:
A3
Abstract:
An apparatus for estimating a property of a fluid downhole, is provided an includes: an optical fiber that receives light emitted from a light source and including an unclad portion adapted for contacting the fluid; a photodetector for receiving optical signals from the portion; and a spectrometer for obtaining an evanescent spectrum of the fluid from the portion. A method and a system are included.

Inventors:
DIFOGGIO ROCCO (US)
Application Number:
PCT/US2010/021159
Publication Date:
November 11, 2010
Filing Date:
January 15, 2010
Export Citation:
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Assignee:
BAKER HUGHES INC (US)
DIFOGGIO ROCCO (US)
International Classes:
G01V8/00; E21B47/00; G01J3/28; G01N21/00
Foreign References:
US20030205083A12003-11-06
US20080165356A12008-07-10
US20070108378A12007-05-17
US20040065439A12004-04-08
Attorney, Agent or Firm:
BYNUM, Todd, A. et al. (P.O. Box 4740Houston, TX, US)
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