储层渗透率方向性分析

Analysis of permeability orientation in reservoir

近年来,变差函数在储层非均质性研究中起到很大作用。因为储层参数在每个方向上的变化性不同,故通过求取每个方向上的变差函数值,就能反映出各向异性结构。利用变差函数提供的全部结构信息来研究储层的平面非均质性,得出平行于物源方向非均质性弱,而垂直于物源方向非均质性较强的结论。表明储层非均质性主要受沉积环境控制。

Recent years,variation function is becoming more important when we research reservoir heterogeneity.The variety of parameter reservoir is different in different orientation,so if we can acquire each value of variation function in different orientation,the framework of anisotropy can be seen.This paper researches the plane heterogeneity of reservoirs using parameter reservoir,which gains the conclusion that heterogeneity is infirm in the orientation parallel fluvial,but in the orientation vertical fluvial,heterogeneity is strong.That indicates heterogeneity may be controlled by sediment environment.