在总结分析砾岩特点的基础上，简要介绍了包括CT扫描、图象分析、粒度统计、全直径分析等几种非常规孔隙度实验估测分析方法。

Based on analysing the gravel features, several non-conventional porosity laboratory prediction methods, such as ct scan, image analysis, grain statistics, full-diameter analysis, have been described.

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