Sour gas injection for use with in situ heat treatment
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United States of America Patent
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Nov 3, 2009
Grant Date -
Jul 24, 2008
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 providing acidic gas to a subsurface formation is described herein. The method may include providing heat from one or more heaters to a portion of a subsurface formation; producing fluids that include one or more acidic gases from the formation using a heat treatment process. At least a portion of one of the acidic gases may be introduced into the formation, or into another formation, through one or more wellbores at a pressure below a lithostatic pressure of the formation in which the acidic gas is introduced.
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