摘要
论述了安徽宿东矿区受层滑构造而引起的煤层破碎、揉皱或塑性流动可导致煤储层的孔裂隙、渗透性及吸附能力等一系列的变化。在构造破坏程度低的区域,煤储层裂隙发育,有利于煤层气的抽排;煤层构造破坏程度较高的地区,煤层发生揉皱变形,煤储层的渗透率降低,因此不利于煤层甲烷的抽排。
This article discusses that the crash-up or plasticity flowage of coalbed brought by interlayer-gliding structure can result a series of change of coal reservoir in the porosity, fracture, permeability and absorption. In the area of the low-breakage degree, the coal reservoir has a lot of fracture, which is propitious to the extraction of coal methane; in the area of the high-breakage degree, the permeability of the coal reservoir is always very low, so the coal methane is difficult to bump.
出处
《北京工业职业技术学院学报》
2002年第2期20-23,共4页
Journal of Beijing Polytechnic College
基金
国家地调局煤层气评价项目资助(20001010182003)。
关键词
层间滑动
柔皱系数
煤储层特征
抽排
interlayer-gliding structure
crash-up coefficient
features of coal reservoir
bumping.
