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:
Mar. 05, 2019

Filed:

May. 31, 2016
Applicant:

Intelligent Wellhead Systems Inc., Red Deer, CA;

Inventors:

Aaron Mitchell Carlson, Lake Country, CA;

Bradley Robert Martin, Red Deer, CA;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 47/08 (2012.01); E21B 33/06 (2006.01); G01B 7/12 (2006.01); E21B 47/09 (2012.01);
U.S. Cl.
CPC ...
E21B 47/082 (2013.01); E21B 47/0905 (2013.01); G01B 7/12 (2013.01);
Abstract

An apparatus for measuring a pipe within a well structure comprises a tubular body extending between first and second ends and having an inner surface defining a passage therethrough and an outer surface formed of a non-magnetic alloy metal. The apparatus further comprises a pair of flanges each connected to one of the first or second ends of the tubular body having a passage therethrough corresponding to the passage of the tubular body, each of the pair of flanges being connectable inline with the well structure. The apparatus further comprises at least one sensor stack being locatable around an outside of the tubular body comprising a sensor adapted to measure magnetic field strength and at least one magnetic stack being locatable around the outside of the tubular body comprising at least one magnet.


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