Heated power cable

Details Heated power cable Heated power cable

1998-06-01

1999-10-26

Walberg, Teresa

Electric resistance heating devices

Heating devices

Borehole type

219549, 219548, 166302, H05B 334

Patent

active

059742267

ABSTRACT:
A heated power cable for oil wells providing controllable, variable power output and heater redundancy. Heating elements are electrically and thermally insulated within the same armor in a manner that permits the heating elements to direct heat to the oil in the well, while simultaneously protecting the power conductors from excess heat.

REFERENCES:
patent: 4490577 (1984-12-01), Neuroth
patent: 4733059 (1988-03-01), Goss et al.
patent: 4864107 (1989-09-01), Boyal
patent: 5528824 (1996-06-01), Anthony et al.
patent: 5782301 (1998-07-01), Neuroth et al.

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