煤储层渗透率模拟——以沁水盆地太原组为例

Permeability Simulation of Coal R eservoir: Taking
Ta iyuan Formation Coa-l Bed in Qinshui Basin as an
Example

 孙立东 赵永军 蔡东梅

 中国石油大学地球资源与信息学院

College of Geo-Re sources and
Information, China University of Petroleum, Dongy ing
257061, China

 渗透率是评价煤储层渗透性的重要参数, 通过对割理、有效应力、埋深等煤储层渗透率影响因素的数值模拟研究, 结果表明, 割理的发育程度决定了煤储层的渗透性, 割理的闭合、开启程度又受到应力场的控制。

Pe rm eab ility param eter is very im po rtant in evalua ting
the perm eab ility of coa l reservo ir. Th is paper researches on
the nume rical s imu lation of coa-l bed cleat, effective stress ,
depth that affects the perm eab ility o f coal reservo ir. The
resu lts show that develom ent of clrat determ ines the
perm eab ility of coal reservo ir, wh ile the opening and c los ing o f
cleat re lies on the stress fie ld.