Systems and methods for producing hydrocarbons from tar sands formations
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United States of America Patent
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Jul 21, 2009
Grant Date -
Jun 14, 2007
app pub date -
Oct 20, 2006
filing date -
Oct 24, 2005
priority date (Note) -
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Abstract
A system for treating a tar sands formation is disclosed. A plurality of heaters are located in the formation. The heaters include at least partially horizontal heating sections at least partially in a hydrocarbon layer of the formation. The heating sections are at least partially arranged in a pattern in the hydrocarbon layer. The heaters are configured to provide heat to the hydrocarbon layer. The provided heat creates a plurality of drainage paths for mobilized fluids. At least two of the drainage paths converge. A production well is located to collect and produce mobilized fluids from at least one of the converged drainage paths in the hydrocarbon layer.
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