Subsea pipeline system with electrically heated flexible pipelin

Details Subsea pipeline system with electrically heated flexible pipelin Subsea pipeline system with electrically heated flexible pipelin

Filed on

1991-11-01

Date issued

1994-02-22

Examiner

Reynolds, Bruce A.

Patent Class

Electric resistance heating devices

SubClass

Heating devices

SubSubClass

Continuous flow type fluid heater

Other Related Categories

392472, 219522, 219535, 219549, 137341, 138 33, H05B 306, H05B 358, E03B 710, F16L 5300

Type

Patent

Status

active

Patent number

052895610

Description

ABSTRACT:
This invention refers to an electric heating system for subsea flexible pipelines (13) including the circulation of an electric current which runs through the metallic armorings (31) of the flexible pipeline (13), generating energy and dissipating a certain amount of heat to the pipeline (13) and to the fluid contained inside same, maintaining the temperature differential between the environment and the production line, so as not to interrupt the fluid flow.

REFERENCES:
patent: 3377463 (1968-04-01), Rolfes
patent: 4402346 (1983-09-01), Cheetham et al.
patent: 4455474 (1984-06-01), Jameson et al.
patent: 4525813 (1985-06-01), Burrage
patent: 4667084 (1987-05-01), Regge
patent: 5024252 (1991-06-01), Ochsner
patent: 5176179 (1993-01-01), Bournazel et al.

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