Process of electric pipeline heating utilizing heating elements

Details Process of electric pipeline heating utilizing heating elements Process of electric pipeline heating utilizing heating elements

1991-08-28

1993-01-26

Reynolds, Bruce A.

Electric resistance heating devices

Heating devices

Continuous flow type fluid heater

392469, 392301, 392485, 166 60, 219523, F24D 1502, E21B 715

Patent

active

051827921

ABSTRACT:
A process to clear pipelines carrying fluids viscous and/or rich in organic residues includes the introduction of a heating element inside a pipeline carrying the fluids through a coupling spool which is intercalated in the fluid-carrying pipeline. Simultaneously an electric current is applied to the heating element so that the heat generated by the heating element is transmitted to the viscous fluid or to the compacted residual mass inside the fluid-carrying pipeline, causing the detachment of those residues from the internal wall of the pipeline and re-establishing the conditions for fluid flow.

REFERENCES:
patent: 2516950 (1950-08-01), Bragg
patent: 3629551 (1971-12-01), Ando
patent: 3678243 (1972-07-01), Ando et al.
patent: 3975819 (1976-08-01), Ando
patent: 4002881 (1977-01-01), West
patent: 4359627 (1982-11-01), Takeichi
patent: 4423311 (1983-12-01), Varney, Sr.
patent: 4523644 (1985-06-01), Dismukes
patent: 4538682 (1985-09-01), McManus et al.

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