Method of producing drive fluid in situ in tar sands formations
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United States of America Patent
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Mar 23, 2010
Issued Date -
N/A
app pub date -
Oct 19, 2007
filing date -
Oct 20, 2006
priority date (Note) -
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Abstract
Methods of treating a tar sands formation are described herein. Methods for treating a tar sands may include providing heat to at least part of a hydrocarbon layer in the formation from one or more heaters located in the formation. The heat may be allowed to transfer from the heaters to at least a portion of the formation such that a drive fluid is produced in situ in the formation. The drive fluid may move at least some mobilized, visbroken, and/or pyrolyzed hydrocarbons from a first portion of the formation to a second portion of the formation. At least some of the mobilized, visbroken, and/or pyrolyzed hydrocarbons may be produced from the formation.
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