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:
Feb. 14, 2017
Filed:
Feb. 03, 2009
Applicants:
Jonathan R. Prill, Edmonton, CA;
Michael X. Tang, Houston, TX (US);
Inventors:
Jonathan R. Prill, Edmonton, CA;
Michael X. Tang, Houston, TX (US);
Assignee:
NATIONAL OILWELL VARCO, L.P., Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 47/12 (2012.01); E21B 4/02 (2006.01);
U.S. Cl.
CPC ...
E21B 47/124 (2013.01); E21B 4/02 (2013.01);
Abstract
A system for monitoring rotational time of a rotational equipment. At least some of the illustrative embodiments are systems comprising a rotatable equipment, a sensor, and an electronic system. The sensor is coupled to the rotatable equipment, and is configured to sense rotation of the rotatable equipment. The electronic system is electrically couple to the sensor. The electronic system is self-contained, and is configured to power the sensor to determine rotational time of the rotatable equipment.