Except for huge carbonate rock lithologicdeposit of Ordovician, the main hydrocarbon reservoir 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 lithologicdeposit, meanwhile channel sand offers reservoir space for hydrocarbon enrichment.
The occurrence of the Yutang lead and zinc-sulfide deposit in the Cambrian carbonate rocks is controlled mainly by tectonic, lithologic and algae reef factors.