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:
Sep. 25, 2018

Filed:

Sep. 17, 2015
Applicant:

Gowell International, Llc, Houston, TX (US);

Inventors:

Yanxiang Yu, Houston, TX (US);

Jinsong Zhao, Houston, TX (US);

Assignee:

GOWell International, LLC, Houston, TX (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01V 3/10 (2006.01); G01V 3/18 (2006.01); E21B 47/12 (2012.01); G01N 27/90 (2006.01); G01V 3/28 (2006.01);
U.S. Cl.
CPC ...
E21B 47/12 (2013.01); G01N 27/9033 (2013.01); G01V 3/28 (2013.01);
Abstract

A system and method for inspecting a tube comprising a telemetry module, a centralizing module, an inspection device, a differential amplifier, a sensor array, and a service device. In embodiments, a tube inspection device may comprise a sensor array. The sensor array may further comprise a center receiver coil, a ferri-core, a peripheral receiver, and a transmitter coil. A method for inspection a tube may comprise inserting an inspection device into a tube, energizing a sensory array, inducing an eddy current within the tubing, and measuring voltage with a center receiver coil and a peripheral receiver of the sensor array.


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