The causes of gas explosion were analyzed. The suggestion that the gas disaster in coal mine be controlled by drilling engineering with technology advancement was put forward.
分析了煤矿瓦斯爆炸事故产生的原因，提出了依靠科技进步，利用钻探工程技术治理煤矿瓦斯灾害，有针对性地提出了治理瓦斯事故的建议。
During drilling operation, the track in horizontal interval is controlled and the hang sidetrack drilling technology is successfully used.
在钻井施工中精确控制了水平段轨迹，应用了悬空侧钻技术。
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