| 近水平千米定向钻机在矿井瓦斯抽采中的应用 |
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| 引用本文： | 陆军,熊克剑.近水平千米定向钻机在矿井瓦斯抽采中的应用[J].煤炭科学技术,2011,39(12):92-95. |
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| 作者姓名： | 陆军 熊克剑 |
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| 作者单位： | 神华宁夏煤业集团能源工程公司环境安全工程分公闭,宁夏银川,750021 |
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| 摘 要： | 针对目前井下常规钻机能力偏小,瓦斯预抽期较短,矿井掘抽采比例严重失调的现象,采用VLD-1000型和ZDY6000LD型井下千米定向钻机,根据工作面掘进、回采接续和目标区域瓦斯赋存的特点设计、布置钻场钻孔。详细介绍了钻孔施工过程、施工情况及瓦斯抽采效果,千米定向钻进相比于传统常规钻进工艺,定向钻孔的单孔成孔距离、钻孔煤孔比例、瓦斯抽采浓度分别为原穿层钻孔的6.0、2.3、2.0倍,具有瓦斯抽采率高、预抽期延长、钻孔施工适应性强、钻孔覆盖范围大等特点。
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| 关 键 词： | 近水平千米定向钻机 瓦斯抽采 钻孔工艺 钻孔施工 钻场布置 |
Application of Horizontal 1 000 m Directional Drilling Rig to Mine Gas Drainage |
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| LU Jun,XIONG Ke-jian.Application of Horizontal 1 000 m Directional Drilling Rig to Mine Gas Drainage[J].Coal Science and Technology,2011,39(12):92-95. |
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| Authors: | LU Jun XIONG Ke-jian |
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| Affiliation: | LU Jun,XIONG Ke-jian(Environment and Safety Engineering Branch,Energy Engineering Corporation,Shenhua Ningxia Coal Group,Yinchuan 750021,China) |
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| Abstract: | According to the small capacity of the present underground mine conventional drilling rig,the short gas drainage period and the serious disproportions phenomenon of the mine excavation,drainage and mining percentages,the VLD-1000 and ZDY6000LD mode underground mine 1 000 m directional drilling rigs were applied base on the excavation of the coal mining face,the mining connection and the design of the gas deposit features in the target zone,and the layout of the drilling ring site.The paper in detail introdu... |
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| Keywords: | horizontal 1 000 m directional drilling rig gas drainage drilling technique drilling operation drilling site layout |
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