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:
Apr. 16, 2019

Filed:

May. 07, 2015
Applicants:

Glen R. Sumner, Houston, TX (US);

Abco Subsea, Inc., Houston, TX (US);

Inventor:

Glen R. Sumner, Houston, TX (US);

Assignee:

Other;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L 9/18 (2006.01); F16L 53/37 (2018.01); E21B 36/00 (2006.01); F16L 59/14 (2006.01); F16L 59/20 (2006.01); F16L 53/32 (2018.01); F16L 53/35 (2018.01);
U.S. Cl.
CPC ...
F16L 53/37 (2018.01); E21B 36/003 (2013.01); F16L 9/18 (2013.01); F16L 53/32 (2018.01); F16L 53/35 (2018.01); F16L 59/143 (2013.01); F16L 59/20 (2013.01);
Abstract

A fluid conduit that is below grade or under water is separated from ambient water by a confined layer of liquid that may be largely undivided by solids. The separation distance between the liquid containment means and the piping or pipeline is such that the total heat transfer by natural convection and conduction from the piping or pipeline to the water containing environment is kept within limits thought necessary to adequately insulate the contents of the pipeline. A liquid may be pumped between the pipe and the means for containing the insulation so as to displace fluids from a pipeline or a heated liquid may be pumped through that space to warm the contents of the pipeline. If the insulating liquid also electrically insulates the pipe, then the pipe may be heated by passing a current directly through the pipe.


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