【摘要】 煤的绝对渗透率、水-气相对渗透率对预测煤层气开采中甲烷和水的产率是极为必要的参数。利用实验室测定方法,对煤岩的绝对渗透率、相对渗透率、相渗透率和水-气相对渗透率进行了研究,提出了气、水相渗透率之和小于气或水的绝对渗透率、渗透率与试件的层理方向存在密切关系的结论。更多还原

【Abstract】 The absolute permeability of coal,relative permeability of water-gas are necessary parameter to forecasting the birth rate of methane and water in mining.Using laboratory method,the paper studies absolutepermeability,relative permeability of coal-rock,unitary permeability and permeability of water-gas based on stable technology,it gets an effictive result.It also gives the conclusion of the osculatory relation of permeability and directions of sample stratification,the sum of gas and water unitary permeability is less than the absolute permeability of gas or water.更多还原