Its reservoir with secondary porosity zone is also a key for petroleum pool formation, which is of distributary channel of fan delta front.
该构造储层属三角洲前缘亚相的水下分流河道微相沉积，并存在由成岩作用形成的次生孔隙发育带。
The characteristics of compaction and solution, cementation, secondary porosity during diagenesis processes and the distribution of secondary porosity zone in Chezhen Depression are described.
以岩石学特征为基础，描述了成岩过程中压实与压溶作用、胶结作用、溶解作用与次生孔隙的特征，以及次生孔隙带在本区的分布。
The characteristics of compaction and solution, cementation, secondary porosity during diagenesis processes and the distribution of secondary porosity zone in Chezhen Depression are described.
以岩石学特征为基础，描述了成岩过程中压实与压溶作用、胶结作用、溶解作用与次生孔隙的特征，以及次生孔隙带在本区的分布。
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