煤层气掏穴井钻探施工技术

Drilling Technique for Enlarging Borehole in Conlbed Methane Shaft

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。

Abstract:

The paper detailed the technical specification, equipment, construction technology and technical measures of enlarging borehole in shaft for coalbed methane with field cases.