循环热对流是深部储层流体的主要流动方式，它控制着自生矿物在砂层中的析出位置和次生孔隙的分布特征。
As the main flow manner of formation water in deep reservoir, circulated convection current controlled authigenic mineral location and secondary pore distribution.
清楚地识别岩心内部孔隙度分布特征，并对其进行定量描述，有助于深入研究岩心的渗流特性。
Recognizing core's porosity distribution feature clearly and characterizing it quantitatively is very important when studying core sample's seepage feature.
双河油田储层具有中偏大孔隙和中细喉道为主的孔喉分布特征。
The pore throat distribution of Shuanghe oil field characteristics is mainly of middle to more bigger pores and middle-thin throats.
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