The pore spaces are mainly residual intergranular porosity, dissolution porosity in clastic rock reservoir, dissolution matrix porosity and fractures in volcanic reservoirs.
碎屑岩储层中主要的储集空间为剩余粒间孔隙以及在此基础上扩大溶蚀的孔隙；火山岩储层中则以火山岩基质溶蚀孔为主，构造缝、溶蚀缝次之。
A type of secondary porosity created through the dissolution of a preexisting constituent of a rock, such as a shell, rock fragment or grain.
一种通过先存岩石组分(如生物介壳，岩屑或岩石颗粒)的溶解所造成的次生孔隙类型。
The compactionand secondary enlargement of quartz lead to the great decrease of primary porosity of clastic rocks, and dissolution is contributed to the formation of secondary pore space.
压实作用和石英的次生加大使碎屑岩的原生孔隙度极大的降低，溶解作用是次生孔隙形成的主要因素。
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