Electrothermal process for recovering hydrocarbons

Details Electrothermal process for recovering hydrocarbons Electrothermal process for recovering hydrocarbons

1982-05-03

1983-11-01

Novosad, Stephen J.

Wells

Processes

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

166 60, 166272, 166302, E21B 3604, E21B 4324

Patent

active

044125852

ABSTRACT:
In a pair of electrode wells to be developed for injection and production wells for the electrothermal process for recovering heavy hydrocarbons, the electrodes are formed by inserting a heating device in each borehole and heating the surrounding formation to a temperature at which the hydrocarbon-containing material undergoes thermal cracking, resulting in a coke-like residue surrounding the heater. This conductive and permeable material serves as an electrode, for each well, by which the formation is heated. The heavy hydrocarbon material, such as bitumen found in tar sands, becomes mobile and can be recovered.

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