Creating fluid injectivity in tar sands formations
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United States of America Patent
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Jun 5, 2012
Grant Date -
Nov 4, 2010
app pub date -
Apr 28, 2010
filing date -
Oct 20, 2006
priority date (Note) -
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Abstract
Methods for treating a tar sands formation are described herein. Methods for treating a tar sands may include heating a portion of a hydrocarbon layer in the formation from one or more heaters located in the portion. The heat may be controlled to increase the permeability of at least part of the portion to create an injection zone in the portion with an average permeability sufficient to allow injection of a fluid through the injection zone. A drive fluid and/or an oxidizing fluid may be provided into the injection zone. At least some hydrocarbons including mobilized hydrocarbons are produced from the portion.
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