USE OF ELECTRICAL HEATING ELEMENTS FOR SAGD START-UP
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United States of America Patent
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Issued Date -
Sep 24, 2015
app pub date -
Dec 23, 2014
filing date -
Mar 24, 2014
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Abstract
A SAGD operation is provided, comprising: drilling a SAGD well pair in a bitumen bearing formation, the well pair comprising an injector well and a producer well; introducing an electro-thermal heating element comprising at least one individually controllable heating section in or near either the injector well, the producer well, or both; positioning the at least one individually controllable heating section at or near a sector of either the injector well, the producer well, or both, which sector may require greater thermal heat to establish thermal communication between the injector well and the producer well; and operating the at least one individually controllable heating section at a desired temperature for a period of time sufficient to establish thermal communication between the injector well and the producer well. The electro-thermal heating element having the at least one electrical heating section may remain in the injection well beyond start-up to assist in effectively recovering the hydrocarbons.
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