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:
Feb. 19, 2013

Filed:

Mar. 09, 2010
Applicants:

John K. Stevens, Stratham, NH (US);

M. Jason August, Toronto, CA;

Paul Waterhouse, Seikirk, CA;

Inventors:

John K. Stevens, Stratham, NH (US);

M. Jason August, Toronto, CA;

Paul Waterhouse, Seikirk, CA;

Assignee:

Visible Assets, Inc, Mississauga, Ontario, CA;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 47/09 (2006.01); G01V 3/18 (2006.01);
U.S. Cl.
CPC ...
Abstract

Identification and tracking of hollow pipes at a site where the hollow pipes are to be stored or interconnected, such as an oil drilling site where the aforesaid hollow pipes are to be connected and the drillstring of pipes is to be inserted into a drilled hole on solid ground or under a deepsea drilling platform is achieved. Each hollow pipe is provided with a low frequency radio frequency identification (RFID) tag attached to the pipe's outer surface. The RFID tag is operable at a low radio frequency not exceeding 1.0 megahertz and may be disposed within a recess in the pipe's outer surface. A tracking system provides communication be the tags and a reader.


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