Heating hydrocarbon containing formations in a checkerboard pattern staged process
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United States of America Patent
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Jun 2, 2009
Grant Date -
Sep 11, 2008
app pub date -
Oct 19, 2007
filing date -
Oct 20, 2006
priority date (Note) -
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Abstract
Method for treating a hydrocarbon containing formation are described herein. Methods may include providing heat to two or more first sections of the formation with one or more first heaters in two or more of the first sections. The provided heat may mobilize first hydrocarbons in two or more of the first sections. At least some of the mobilized first hydrocarbons are produced through production wells located in two or more second sections of the formation. The first sections and the second sections are arranged in a checkerboard pattern. A portion of at least one of the second sections proximate at least one production well is provided some heat from the mobilized first hydrocarbons, but is not conductively heated by heat from the first heaters. Heat may be provided to the second sections with one or more second heaters in the second sections to further heat the second sections.
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