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:
Dec. 29, 2015

Filed:

Nov. 17, 2011
Applicants:

Albert Hoefel, Sugar Land, TX (US);

Francois Bernard, Houston, TX (US);

Kent David Harms, Richmond, TX (US);

Sylvain Ramshaw, Sugar Land, TX (US);

Shayan Darayan, Sugar Land, TX (US);

Taylor Johnson, Houston, TX (US);

Inventors:

Albert Hoefel, Sugar Land, TX (US);

Francois Bernard, Houston, TX (US);

Kent David Harms, Richmond, TX (US);

Sylvain Ramshaw, Sugar Land, TX (US);

Shayan Darayan, Sugar Land, TX (US);

Taylor Johnson, Houston, TX (US);

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 49/08 (2006.01); E21B 47/10 (2012.01); G05D 7/06 (2006.01);
U.S. Cl.
CPC ...
E21B 49/088 (2013.01); E21B 47/10 (2013.01); G05D 7/0635 (2013.01);
Abstract

An apparatus including a downhole tool for conveyance in a wellbore extending into a subterranean formation and method of use thereof. The downhole tool may include a turbo-alternator disposed in a passageway for drilling mud, and a controller to: track operating points of the turbo-alternator, determine from the operating points a flow rate of the drilling mud, and control a component of the downhole tool based on the flow rate.


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