摘要(Abstract)：

<正>PETROLEUM GEOLOGY1—9 Evolutiion of Songliao Basin and the evaluation of hydrocarbon Prospectsby Zhang Kai, Gao Mingyuan ＆ Yao Huijun1—17 Study on the autogenous clay minerals in sandstone of Daqing Oil Field byXing Shunquan ＆ Xin Guoqiang1—23 Characteristics of clay minerals in fuyu reservoir, Chaoyanggou Oil Fieldand their influence on the fracturing reoults of reservoirs by Wang Xingxin

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