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煤储层的孔隙度、相对渗透率特征及其测定方法

石油实验地质

1996年 18卷第3期

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Title

THE FEATURE AND MEASUREMENTMETHODS OF POROSITY ANDRELATIVE PERMEABILITY OF COAL RESERVOIR

作者

侯瑞云

Authors

Hou Ruiyun

单位

华北石油地质局规划设计研究院, 郑州450006

Organization

North China Bureau of Pet, xileunl Geology, MGMR, Zhengzhou 450006

摘要

煤储层不同于常规的天然气储层,煤岩本身既是气源岩又是储集岩。作为储层,煤岩孔隙结构有其特殊性,煤层气的储集、产出机理也不同于常规储层。与常规油气储层对比,本文对煤储层的孔隙度,相对渗透率特征及其测定方法进行了介绍。

Abstract

Coal gas reservoir is different from conventional gas reservoir.Coal is not only sourcerock but reservoir as well. As reservoir. there is special feature in pore texture in coal.And mechanism of accumulation and occurrence of gas in coal is also different from thoseof conventional gas reservoir on basis of comparison of coal gas reservoir with conventionalgas reservoir. the paper discussed the feature and measurement methods of porosity andrelative permeability of coal reservoir.

关键词：

割理孔隙度; 基岩孔隙度; 气-水相对渗透率;

基金项目

DOI

https://doi.org/10.11781/sysydz199603331