Compositions produced using an in situ heat treatment process
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United States of America Patent
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Oct 20, 2009
Grant Date -
Dec 13, 2007
app pub date -
Apr 20, 2007
filing date -
Apr 21, 2006
priority date (Note) -
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Abstract
Systems, methods, and heaters for treating a subsurface formation are described herein. At least one method for producing hydrocarbons from a subsurface formation includes providing heat to the subsurface formation using an in situ heat treatment process. One or more formation particles may be formed during heating of the subsurface formation. Fluid that includes hydrocarbons and the formation particles may be produced from the subsurface formation. The formation particles in the produced fluid may include cenospheres and have an average particle size of at least 0.5 micrometers.
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