储层渗透率方向性分析

2007年 14卷 第03期
阅读:110
查看详情
Analysis of permeability or ientation in reservoir
孙风涛
Sun Fengtao
中海石油(中国)有限公司天津分公司技术部, 天津300450
Technology Department, Tianjin
Company, CNOOC, T ianjin 350400, China
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 y ea rs, va riation function is becom ing m ore
im po rtant when w e research reservo ir heterogene ity. The  
va riety of param eter reservo ir is d ifferen t in d ifferent
o rienta tion, so if w e can acquire each va lue o f var ia tion
function in diffe rent or ientation, the fram ework o f anisotropy
can be seen. This paper resea rches the plane heterogeneity o f
reservo irs us ing parame ter reservo ir, w hich ga ins the
conclus ion tha t hete rogene ity is infirm in the o rienta tion
paralle l fluv ia,l but in the or ientation vertica l fluv ia,l
heterogene ity is strong. That ind icates he terogene ity m ay be
contro lled by sedim ent env ironm en t
变差函数 平面非均质性 渗透率;
variation function, p lane he terogene ity,
perm eab ility;