Electrically stimulated well production system with flexible tub

Details Electrically stimulated well production system with flexible tub Electrically stimulated well production system with flexible tub

1985-11-14

1987-05-05

Novosad, Stephen J.

Wells

With electrical means

166248, E21B 4300

Patent

active

046624376

ABSTRACT:
Electrical resistance heating of subterranean viscous fluid deposits is provided by a wellbore having a conductive casing section and a coupling disposed in proximity to the formation. An elongated, flexible fluid injection or withdrawal tube extends into the wellbore, is secured to the coupling, and is connected to a source of electrical energy. The tube is preferably of composite construction having an inner steel core, an outer copper layer and a reinforced plastic corrosion resistant coating over the copper layer.

REFERENCES:
patent: 2362680 (1944-11-01), Troupe
patent: 4071278 (1978-01-01), Carpenter et al.
patent: 4476923 (1984-10-01), Walling
patent: 4484627 (1984-11-01), Perkins
patent: 4487257 (1984-12-01), Dauphine
patent: 4567945 (1986-02-01), Segalman

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