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.

Date of Patent:
Nov. 13, 2012

Filed:

Aug. 07, 2009
Applicants:

Noriyuki Matsumoto, Yokohama, JP;

Sophie Nazik Godefroy, Cairo, EG;

Kazumasa Kato, Yokohama, JP;

Go Fujisawa, Sagamihara, JP;

Inventors:

Noriyuki Matsumoto, Yokohama, JP;

Sophie Nazik Godefroy, Cairo, EG;

Kazumasa Kato, Yokohama, JP;

Go Fujisawa, Sagamihara, JP;

Assignee:
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 11/10 (2006.01);
U.S. Cl.
CPC ...
Abstract

Vibrating wire viscometers are disclosed. An example vibrating wire viscometer includes first and second electrically conductive tubes, where the first tube is at least partially inserted into the second tube, and where the first and second tubes are coupled via an electrically insulating bonding agent. The example viscometer further includes first and second electrically conductive pins inserted into respective ones of the first and second tubes, and an electrically conductive wire fastened to the first and second pins to vibrate in a downhole fluid to determine a viscosity of the downhole fluid.


Find Patent Forward Citations

Loading…