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主要勘探目的层是第三系的沙河街组地层。
The main exploration target is the Tertiary Shahejie Group.
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接奴群是该区最有潜力的油气勘探目的层。
The Jienu Group has great potential for oil and gas.
库姆组碳酸盐岩为主要勘探目的层，其中库姆组c 4段为主要产层。
Qum Formatiom with carbonate is mainly exploration aim stratum, the C4 member of Qum Formatiom is mainly production layer.
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