Abstract: Based on an analysis of the field data, this paper gives a macroscopically possible explanation on the increase, of the vertical conformance in an oil reservoir as the water injection proceeds. It is considered that both the vertical conformance and the water-oil displacement efficiency are volumetric functions. Therefore, both of them increase synchronously during the oil field development process. The characteristics of the rise of production water-oil ratio gives a reflection of the increase of the vertical conformance essentially. The self-organization of the oil reservoir behavoir system itself is the main mechanism leading to the increasing of vertical conformance in water flooding.

摘要： 本文通过矿场资料的分析,对油层纵向扫及效率的增长提出了一种宏观的可能解释,认为水驱油过程中,纵向扫及效率与水驱油效率都是体积的函数,所以两者的增长是同步的,含水上开率的变化特点本质上反映了油层纵向扫及效率的变化规律,而油田动态系统本身所具有的自组织性则是导致纵向扫及效率逐渐增长的主要机制。