Except for huge carbonate rock lithologic deposit of Ordovician, the main hydrocarbonreservoir are all belong to tectonic hydrocarbon reservoir.
主力油气藏中除了奥陶系大型碳酸盐岩岩性油藏之外,都属于构造型油气藏。
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The plentiful hydrocarbon rock in study area is the material foundation of the lithologic deposit, meanwhile channel sand offers reservoir space for hydrocarbon enrichment.
As a major topic in petroleum geology, the mechanism of hydrocarbon migration and accumulation for lithologicreservoir has not been completely understood.