Isolation of an electrical power transmission well

Details Isolation of an electrical power transmission well Isolation of an electrical power transmission well

1983-07-01

1985-08-06

Novosad, Stephen J.

Wells

Processes

Electric current or electrical wave energy through earth for...

166302, 166 664, E21B 4325

Patent

active

045329907

ABSTRACT:
In processes using electrical power to apply heat to a subsurface formation through a transmission well, power losses are reduced by installing in flowlines leading to the well one or more devices that electrically disrupts the flowline and that creates a tortuous flow path for liquids flowing through the device. The parts of the device contacting liquids are either fabricated of metal which is electrically insulated from the liquids or are fabricated of electrically nonconductive material. The device may be a free-wheeling hydraulic pump or motor, for example, a free-wheeling gear pump.

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