Dynamic effects of high-pressure pulsed water jet in low-permeability coal seams

• 作 者: LI Xiao-hong ZHOU Dong-ping LU
• 机 构: KeyLabfortheExploitationofSouthwesternResources＆EnvironmentalDisasterControlEngineering
• 出 处: 煤炭学报：英文版
• 发表日期: 2009年3期
• 关键词: 脉冲水射流 低渗透煤层 高压喷射 动态效应 天然气开采 峰值压力 实地测量 动态特性 high-pressure pulsed water jet gas d
• 基金项目: Supported by the National Natural Science Foundation of China （50604019）, the Innovation Team Foundation of China （50621403）

<正> Mine gas extraction in China is difficult due to the characteristics such as micro-porosity,low-permeability and high adsorption of coal seams.The pulsed mechanismof a high-pressure pulsed water jet was studied through theoretical analysis,exper