Re-connectable pipeline connection for direct heating system

Details Re-connectable pipeline connection for direct heating system Re-connectable pipeline connection for direct heating system

2000-12-05

2001-12-11

Sircus, Brian (Department: 2833)

Electrical connectors

Having retainer or passageway for fluent material

Fluent material transmission line

C439S766000, C439S805000

Reexamination Certificate

active

06328583

ABSTRACT:

The present invention is related to a cable connector for a direct heating cable system for a pipeline.
It is well known to provide heating cable systems for transfer of electrical power to production pipelines lying on the seabed to prevent hydrate formation of the fluid transported in the pipe. The functioning of such a direct heating system very much is depending on a proper connection between the heating cable and the production pipeline.
Furthermore, the functioning of such a heating system is depending on several parameters such as a low impedance connection at both ends of the heating cable, thereby to prevent corrosion and local heating spots. Furthermore such a connection must have the ability to withstand mechanical forces applied during installation of the pipeline as well as later movement due to thermal cycles, even in cases where the connection is pinched between the pipeline and the seabed. In case the cable is damaged, the connection has to be releasable without the need to move the pipeline as such and providing good possibilities for reinstalling a new heating cable.
The heating cable connection according to the present invention fulfils all the previous mentioned requirements, being defined by the features stated in the claims.


REFERENCES:
patent: 1932456 (1933-10-01), Gaston
patent: 4405196 (1983-09-01), Fulton
patent: 2 563 606 B1 (1986-10-01), None

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