Electrothermal process for recovering hydrocarbons
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United States of America Patent
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-
Nov 1, 1983
Grant Date -
N/A
app pub date -
May 3, 1982
filing date -
May 3, 1982
priority date (Note) -
Expired
status (Latency Note)
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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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