Grouped exposed metal heaters
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United States of America Patent
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-
Jul 31, 2012
Grant Date -
Jul 14, 2011
app pub date -
Sep 29, 2010
filing date -
Apr 22, 2005
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A system for treating a hydrocarbon containing formation is described. The system includes two or more groups of elongated heaters. The group includes two or more heaters placed in two or more openings in the formation. The heaters in the group are electrically coupled below the surface of the formation. The openings include at least partially uncased wellbores in a hydrocarbon layer of the formation. The groups are electrically configured such that current flow through the formation between at least two groups is inhibited. The heaters are configured to provide heat to the formation.
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