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:
Oct. 20, 2015

Filed:

Dec. 14, 2011
Applicants:

Paul G. Cairns, Houston, TX (US);

Kurt J. Kuck, Magnolia, TX (US);

Robert A. Estes, Tomball, TX (US);

Inventors:

Paul G. Cairns, Houston, TX (US);

Kurt J. Kuck, Magnolia, TX (US);

Robert A. Estes, Tomball, TX (US);

Assignee:

Baker Hughes Incorporated, Houston, TX (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 47/02 (2006.01); G01C 9/10 (2006.01); E21B 47/022 (2012.01); H01H 35/02 (2006.01);
U.S. Cl.
CPC ...
E21B 47/02232 (2013.01); G01C 9/10 (2013.01); G01C 2009/107 (2013.01); H01H 35/02 (2013.01);
Abstract

In one aspect, an apparatus for use in a wellbore is provided that in one embodiment includes a sensor having a plurality of spaced conductive contact elements, a sensing member that moves by gravity and contacts at least two contact elements in the plurality of contact elements to create an electrical short between such at least two contact elements and a circuit coupled to the contact elements configured to generate electrical signals in response to the electrical short between the contact elements.


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