In situ thermal processing of a hydrocarbon containing formation in a hydrogen-rich environment
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United States of America Patent
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Apr 13, 2004
Grant Date -
Mar 21, 2002
app pub date -
Apr 24, 2001
filing date -
Apr 24, 2000
priority date (Note) -
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Abstract
A hydrocarbon containing formation may be treated using an in situ thermal process. A mixture of hydrocarbons, H.sub.2, and/or other formation fluids may be produced from the formation. Heat may be applied to the formation to raise a temperature of a portion of the formation to a pyrolysis temperature. A high hydrogen partial pressure within the formation may allow for hydrogenation of formation fluid within the formation. In addition, hydrogen, from produced formation fluid or from another source, may be used to hydrogenate produced fluid in a surface hydrogenation unit.
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