At all time, content of carbonate binding species decreased with time lapsing, and content of residual species and content of organic binding species didn't change.

碳酸盐结合态稀土含量随时间的延长而降低，但下降幅度较小；有机物结合态与残渣态稀土含量随时间的延长没有发现明显的变化。

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Reservoir species are mainly residual inter-granular pore-space and inner-granular corrosion secondary pore-space.

储层中残余原生粒间孔保留程度是决定储层质量的关键因素。

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