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. 09, 2016
Filed:
Mar. 16, 2012
Jayesh R. Jain, The Woodlands, TX (US);
Olivier J.-m. Hoffmann, The Woodlands, TX (US);
Leroy W. Ledgerwood, Iii, Cypress, TX (US);
Jayesh R. Jain, The Woodlands, TX (US);
Olivier J.-M. Hoffmann, The Woodlands, TX (US);
Leroy W. Ledgerwood, III, Cypress, TX (US);
BAKER HUGHES INCORPORATED, Houston, TX (US);
Abstract
In one aspect, a method of determining the presence of whirl for a rotating tool is disclosed that in one embodiment includes obtaining measurements (a) of a parameter relating to the whirl of the tool along a first axis and measurements (a) of the parameter along a second axis of the tool, determining a first whirl in a time domain for the tool using aand ameasurements, determining a second whirl rate for the tool in a frequency domain from aand ameasurements and determining the presence of the whirl from the first whirl rate and second whirl rate. The method further quantifies the whirl of the tool from the first and second whirl rates.