Heating hydrocarbon containing formations in a spiral startup staged sequence
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United States of America Patent
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Dec 15, 2009
Grant Date -
Sep 11, 2008
app pub date -
Oct 19, 2007
filing date -
Oct 20, 2006
priority date (Note) -
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Abstract
Methods for treating a hydrocarbon containing formation are described herein. Methods may include treating a first zone of the formation. Treatment of a plurality of zones of the formation may be begun at selected times after the treatment of the first zone begins. The treatment of at least two successively treated zones may begin at a selected time after treatment of the previous zone begins. At least two of the successively treated zones may be adjacent to the zone treated previously. The successive treatment of the zones proceeds in an outward, substantially spiral sequence from the first zone so that the treatment of the zones may move substantially spirally outwards towards a boundary of the treatment area.
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