In order to study the mechanism to improve penetration rate and coal bed methane desorption rate with ultrasonic interference, the effects of space on the coal reservoir permeability are analyzed.

• 摘要为了对超声波干扰提高煤储层渗透率和煤层气解吸率的作用机理进行研究，分析了空化效应对煤储层渗透率的影响。