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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第三系岩层属中软岩。

The Tertiary strata belong to soft rock.

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潜山油气藏多与第三系油气藏上下叠置，形成复式油气藏。

Most of buried hill reservoirs are superposed to form multiple oil and gas pools.

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潜山油气藏多与第三系油气藏上下叠置，形成复式油气藏。

Most of buried hill reservoirs are superposed to form multiple oil and gas pools.

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