Method of treating reservoirs containing very viscous crude oil or bitumen
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United States of America Patent
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Jun 28, 1983
Grant Date -
N/A
app pub date -
Apr 6, 1981
filing date -
Apr 6, 1981
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method for treating a field containing viscous oil or bitumen for subsequent production is described. The steps central to the process are drilling a horizontal well within the oil-bearing stratum, and heating the oil in the vicinity of the horizontal well to produce a hot liquid corridor. The open borehole is filled and the oil in the heated corridor is displaced from one end to the other. The corridors may be connected in various configurations to effectively displace a high percentage of oil in a particular field.
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