摘要
通过工程实例,介绍了煤层气掏穴井施工的目的、技术要求、设备机具、施工工艺,以及掏穴作业和技术措施。
The paper detailed the technical specification, equipment, construction technology and technical measures of enlarging borehole in shaft for coalbed methane with field cases.
出处
《探矿工程（岩土钻掘工程）》
2007年第7期20-21,24,共3页
Exploration Engineering:Rock & Soil Drilling and Tunneling
关键词
煤层气
掏穴井
钻探
coalbed methane
enlarging borehole in shaft
drilling
