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:
Aug. 23, 2016
Filed:
Jun. 28, 2011
Applicants:
Luiz Alberto Cordeiro, Western Australia, AU;
Maxim Lebedev, Western Australia, AU;
Boris Gurevich, Western Australia, AU;
Inventors:
Luiz Alberto Cordeiro, Western Australia, AU;
Maxim Lebedev, Western Australia, AU;
Boris Gurevich, Western Australia, AU;
Assignees:
Total Marine Technology Pty Ltd, Bibra Lake, Western Australia, AU;
Curtin University of Technology, Bentley, Western Australia, AU;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 29/028 (2006.01); G01N 9/36 (2006.01); E21B 47/00 (2012.01); G01N 9/24 (2006.01); G01N 29/032 (2006.01);
U.S. Cl.
CPC ...
G01N 29/028 (2013.01); E21B 47/0005 (2013.01); G01N 9/24 (2013.01); G01N 9/36 (2013.01); G01N 29/032 (2013.01); G01N 2291/011 (2013.01); G01N 2291/02416 (2013.01); G01N 2291/02818 (2013.01); G01N 2291/044 (2013.01);
Abstract
A method for determining the density of cement slurry in undersea drilling is disclosed. The method uses the reflection of acoustic waves from the slurry in order to determine its acoustic impedance and thus its density.