Article ID Journal Published Year Pages File Type
4675093 Procedia Earth and Planetary Science 2011 6 Pages PDF
Abstract

Basic methods of coal bed methane drainages through boreholes drilled from the surface and from underground were introduced. Drilling equipments, the borehole structure and the mechanism of hydrodynamic head affecting coal seams which contain methane were studied.

Related Topics
Physical Sciences and Engineering Earth and Planetary Sciences Atmospheric Science