Discussion on Casing Installation for Methane Drainage Vertical Borehole and Cementing Process in Coalmine

Abstract:

In the construction process of methane drainage vertical borehole in coalmine, the casing installation and cementing are very important. By the construction practice of methane drainage vertical borehole and cementing process in Pingshang coalmine, this article presented some lessons from the accident and summed up the experiences of casing installation and cementing for the similar projects in the future.

Key words:methane drainage vertical bore; casing installation; cementing