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:
Jun. 06, 2023

Filed:

Feb. 26, 2021
Applicants:

Andreas Hohl, Hannover, DE;

Vincent Kulke, Braunschweig, DE;

Inventors:

Andreas Hohl, Hannover, DE;

Vincent Kulke, Braunschweig, DE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 44/04 (2006.01); E21B 49/00 (2006.01);
U.S. Cl.
CPC ...
E21B 44/04 (2013.01); E21B 49/003 (2013.01);
Abstract

A method of estimating a stability value of a rotating downhole component includes rotating the downhole component at a varying first rotary speed, the varying first speed having a plurality of first rotary speed values, and identifying an oscillation of the downhole component. The method also includes acquiring measurement data from a sensor, the measurement data indicative of a measured parameter related to the oscillation of the downhole component at the plurality of first rotary speed values, and estimating the stability value of the rotating downhole component as a function of an operational parameter based on the acquired measurement data.


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