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:
May. 17, 2016

Filed:

Jun. 04, 2015
Applicant:

Athabasca Oil Corporation, Calgary, CA;

Inventors:

Maurice A Bujold, Cochrane, CA;

Doug Beattie, Calgary, CA;

Assignee:

ATHABASCA OIL CORPORATION, Calgary, Alberta, CA;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
E21B 19/22 (2006.01); E21B 33/04 (2006.01); E21B 19/02 (2006.01); E21B 36/04 (2006.01); E21B 17/20 (2006.01); E21B 43/24 (2006.01); E21B 19/08 (2006.01); E21B 29/04 (2006.01); E21B 15/00 (2006.01); E21B 36/00 (2006.01); E21B 47/06 (2012.01);
U.S. Cl.
CPC ...
E21B 19/02 (2013.01); E21B 15/00 (2013.01); E21B 17/20 (2013.01); E21B 17/206 (2013.01); E21B 19/08 (2013.01); E21B 19/22 (2013.01); E21B 29/04 (2013.01); E21B 33/0407 (2013.01); E21B 36/00 (2013.01); E21B 36/04 (2013.01); E21B 43/2401 (2013.01); E21B 47/065 (2013.01);
Abstract

A method for assembly of a well heater including injecting a length of coiled tubing into a well, supporting the coiled tubing in the well and cutting the coiled tubing above the well head; injecting one or more resistive heating cables into the into the coiled tubing; constructing a cable support structure at the cut end of the coiled tubing for supporting the weight of the cables against the inner sidewall of the coiled tubing; cutting the cables and configuring the cut ends of the cables for connection to an electrical source, thereby defining the structure of the well heater; and withdrawing the well heater from the well.


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