高孔隙度的火山岩和裂缝发育的火山岩有利于油气的储集；
The volcanic, which has good porosity and cracks, is the most reserviors to holding oil and gas.
泥炭是众所周知的高孔隙度和珍珠岩也有类似的财产。
Peat moss is well known for high porosity and perlite has a similar property.
页岩有高孔隙度，但其孔隙既小而又不连通，所以它是相对不渗透的。
Shale has a high porosity, but its pores are small and disconnected, so it is relatively impermeable.
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