Convective SAGD process
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United States of America Patent
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May 30, 2017
Grant Date -
Jun 18, 2015
app pub date -
Dec 16, 2014
filing date -
Dec 17, 2013
priority date (Note) -
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Abstract
The present disclosure describes a recovery process using injector and producer wells, each well having means for varying the axial resistance to fluid flow to provide a complementary first and second annular axial fluid flow resistance profile. The recovery mechanism includes a gravity drainage component and also includes a convective flow mechanism which operate concurrently.
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