According to the petrologic characteristics of core at 7 - 25 - 34 well, 9 types of lithofacies (Fsm, Fm, Fl, Sr, Sp, Sh, Sl, St, Ss) are identified.

• 重点分析了该区7-25-34取心井段的岩石学特征,识别出Fsm,Fm,Fl,Sr,Sp,Sh,Sl,St和Ss共9种类型岩相。