Han Gang
Abstract
With mine level development,the gas grade of Qixinghe mine changed from low gas to high gas.The paper introduced the gas drainage technology used in this mine.
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With mine level development,the gas grade of Qixinghe mine changed from low gas to high gas.The paper introduced the gas drainage technology used in this mine.
Key concepts: Drainage, Petroleum engineering, Mining engineering, Coal mining, Environmental science, Geology, Engineering, Waste management