A model of CO2 reservoir has been made by discussing
reservoiring mechanism of CO2 reservoir in HG area. A junction
of faults created by eruptive growth is considered a center for CO2
migration and gathering. A second local fault makes important
effect on CO2 gathering to form reservoir. At the same time we
attempt to use some methods , such as bright spot ,AVO , pure
wave filter process ,log constraint inversion and attribute analysis ,
to identify different CO2 reservoirs and to provide an effective
method for special gas reservoir exploration in Shengli Oilfield.
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