Situ thermal processing of a hydrocarbon containing formation to control product composition
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United States of America Patent
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Jun 8, 2004
Grant Date -
May 2, 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. Heat and pressure applied to the formation may be controlled so that a majority of the hydrocarbons produced from the formation have carbon numbers less than 25. Conditions may be controlled to produce low quantities of olefins in non-condensable hydrocarbons produced from the formation.
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