The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 8093893 B1

PDF
Full Text
Expired
Date of Patent:
Jan. 10, 2012

Filed:

Dec. 03, 2008
Applicants:

Eick Niemeyer, Niedersachsen, DE;

Ansgar Cartellieri, Lower Saxony, DE;

Tobias Kischkat, Niedersachsen, DE;

Mouin Hamdan, Niedersachsen, DE;

Inventors:

Eick Niemeyer, Niedersachsen, DE;

Ansgar Cartellieri, Lower Saxony, DE;

Tobias Kischkat, Niedersachsen, DE;

Mouin Hamdan, Niedersachsen, DE;

Assignee:

Baker Hughes Incorporated, Houston, TX (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01V 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

Measurements of fluorescence spectra of fluid samples recovered downhole are processed to give the fluid composition. The processing may include a principal component analysis followed by a clustering method or a neutral network. Alternatively the processing may include a partial least squares regression. The latter can give the analysis of a mixture of three or more fluids.


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Niemeyer, Eick. (2012). Rock and fluid properties prediction from downhole measurements using linear and nonlinear regression (U.S. Patent No. 8093893). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8093893

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