瓦斯突出煤层脉冲射流打超前卸压孔防突工艺及设备的研究

A Study on Process and Equipment for Drilling Advance Boreholes in Seams Susceptible to Gas Burst with Pulsed Waterjet

文中对瓦斯突出煤层脉冲射流打超前卸压孔防突工艺进行了论述；对其工业性试验、技术经济效果、使用前景等情况分别进行了介绍和分析。

A description is made of the process for guarding against gas burst through drilling advance boreholes with pulsed waterjet. The result of industrial test,techno-economic result and its perspective in application,etc. are also introduced.