Anpeng deep layer series is a clastic reservoir with low porosity, low permeability and fracture growth, where fractures are the main hydrocarbon migration channel and storage space.

安棚地区深层系为低孔、低渗、裂缝发育性碎屑岩储层，裂缝是主要的油气运移通道和储集空间。

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The shell limestone is thin bed, compact and anisotropism, so the reservoir is of low porosity, low permeability and pore fracture character.

介壳灰岩层薄、致密、非均质性强，属低孔、低渗孔隙—裂缝性储层。

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Budart Group of Sudert district in Hailaer Basin is a reservoir that has very low porosity, very low permeability, double pore system and it is rich in fracture.

海拉尔盆地苏德尔特地区布达特群是特低孔特低渗双孔隙介质储层，裂缝发育。

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