The content of the rocks, petro physical property, diagenesis, pore structures and potential sensitivity of clay minerals in Chunhuazhen formation of Guangli oilfield in Dongying sag are analyzed.

• 对东营凹陷广利油田纯化镇组储层的岩性、物性、成岩作用以及粘土矿物对孔隙结构的影响进行了分析,揭示了该储层的微观非均质性及低渗透特征。