Emission of pollutants into the air during exploration of coalbed methane

Coalbed methane is usually utilized by gas well drilled from the surface. In order to increase the coefficient of methane exploration from coal seams, in a horizontal section of the well, hydraulic fracturing operations are applied. Drilling process and hydraulic fracturing operations involve emission of pollutants to the air from the fuel combustion process. In the case of drilling operations fuel is used to generate electric power, which drives the drilling device and its components, while during hydraulic fracturing to drive high-pressure pump engines.