Underground coal mine drilling operations | Gas drainage and extraction borehole drilling
Coal mine underground drilling operations are suitable for exploring and addressing water and gas hazards in coal mines, as well as for constructing various types of boreholes, including gas drainage/extraction holes, grouting holes for fire prevention and extinguishing, grouting holes designed to block water inflows, anti-bump pressure relief holes, geological exploration holes, and other specialized engineering bores. This method is ideal for drilling into coal and rock formations with a hardness coefficient (f) of less than 10. Additionally, it can be applied to small-diameter exploration drilling in metallic and non-metallic solid mineral deposits, as well as to construction tasks such as grouting for industrial and civil buildings, highways, railways, bridges, dams, and levees.
Release date:
2020-11-25
Source:
Coal mine underground drilling operations are suitable for exploring and addressing water and gas hazards in coal mines, as well as for constructing various types of boreholes, including gas drainage/extraction holes, grouting holes for fire prevention and extinguishing, grouting holes designed to block water inflows, stress-relief boreholes for outburst prevention, geological exploration holes, and other specialized engineering bores. This method is ideal for drilling into coal and rock formations with a hardness coefficient (f) of less than 10. Additionally, it can be applied to small-diameter exploration drilling in metallic and non-metallic solid mineral deposits, as well as to construction tasks such as grouting for industrial and civil buildings, highways, railways, bridges, dams, and levees.
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