Analysis on the Major Influence Factors of Highly-Located Boreholes Gas Drainage in Zhuzhuang Coal Mine

The gas control technology and gas drainage effect in Zhuzhuang No.4 coal seam was described in this paper.Analyzing the major influence factors combined with the production data,the paper obtained gas drainage changing regularity under the conditions of different factors,and this provided the basis for the gas scientific management and ensured the safety production in coal mines.