Active heating system for oil pipeline

Details Active heating system for oil pipeline Active heating system for oil pipeline

2006-01-03

2006-01-03

Poon, Peter M. (Department: 3641)

Heat exchange

Non-communicating coaxial enclosures

C165S156000

Statutory Invention Registration

active

H0002139

ABSTRACT:
A pipeline for transmitting oil or other substance which forms a solid residue such as wax when the substance is cooled, as in a subsea oil pipeline. Pass a tube through the interior of the pipeline, e.g., at the wall of the pipeline. Transmit heated liquid or water through the tube for heating the material being passed through the pipeline to a temperature which avoids or eliminates the solid residue and for heating the pipeline.

REFERENCES:
patent: 2686662 (1954-08-01), Smith
patent: 3777502 (1973-12-01), Michie, III et al.
patent: 3951175 (1976-04-01), Eberhart
patent: 4009751 (1977-03-01), Zelnik
patent: 4697636 (1987-10-01), Mellsjo
patent: 63-118592 (1988-05-01), None
patent: 3-207994 (1991-09-01), None

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