the discuss about organic acid dissolution of sandstone reservoirs of paleogene strata in xihu sag;
苏北金湖凹陷阜宁组砂巖储层中的胶结物为片钠铝石。
the result shows that the whole paleogene strata of the huanghua depression can be regarded as a graben-horst structure system in the upper wall of cangdong fault.