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.:
Date of Patent:
May. 21, 2019
Filed:
Dec. 17, 2014
Applicant:
Schlumberger Technology Corporation, Sugar Land, TX (US);
Inventors:
Kai Hsu, Sugar Land, TX (US);
Florian Risser, Elancourt, FR;
Gocha Chochua, Sugar Land, TX (US);
Haitao Zhang, Sugar Land, TX (US);
Assignee:
SCHLUMBERGER TECHNOLOGY CORPORATION, Sugar Land, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 9/00 (2006.01); E21B 47/10 (2012.01); G01N 11/16 (2006.01); G01N 29/036 (2006.01); G01N 29/22 (2006.01); G01N 29/44 (2006.01);
U.S. Cl.
CPC ...
G01N 9/002 (2013.01); E21B 47/10 (2013.01); G01N 11/16 (2013.01); G01N 29/036 (2013.01); G01N 29/222 (2013.01); G01N 29/4418 (2013.01); G01N 29/4472 (2013.01); G01N 2009/006 (2013.01); G01N 2291/012 (2013.01); G01N 2291/015 (2013.01); G01N 2291/02491 (2013.01); G01N 2291/02818 (2013.01);
Abstract
Methods and apparatus for obtaining data from a density-viscosity (DV) sensor of a downhole tool, wherein the DV sensor comprises a resonating element disposed in a fluid flowing in a flowline of the downhole tool, and determining a resonance frequency and quality factor of the resonating element utilizing a nonlinear regression and/or a plurality of resonance modes exhibited by the obtained data.