碎屑岩储层流动单元的层次结构

针对目前流动单元的划分与识别是储层研究的一个热点和难点，以层次思想为指导，以储层非均质具有层次性为理论基础，较详细地论述了碎屑岩储层流动单元的层次结构。根据实际生产情况，将其分为砂层组、单砂层、韵律段与均质段共3个层次，并指出各个层次结构流动单元的特征、研究方法及研究成果，而且还明确指出流动单元层次结构的上限与上限，指出流动单元的层次结构对精细研究岩石物理、流体运动变化规律及剩余油分布具有重要指导意义。

Hierarchy Structure of Flow Unit of Clastic Rock Reservoir

The paper elaborates the hierarchy of flow unit of clastic rock reservoir based on the theory of reservoir heterogeneity with hierarchy and guided by the hierarchy idea . According to actual production , flow unit can be divided to 3 scales; sand group, single sand , rhythmic field and homogeneous field . The paper presents not only characteristic, strudying data . studying methods and results in different scales, but also superior limit and inferior limit of hierarchy structure of flow unit . At last , the paper points out that to know hierarchy structure of flow unit plays a significant role in researching on petrophysical features, changeable rule of flow movement and remaining oil distribution.