| 大直径瓦斯孔穿采空区施工技术 |
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| 引用本文： | 陈平安.大直径瓦斯孔穿采空区施工技术[J].探矿工程(岩土钻掘工程),2016,43(10):209-214. |
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| 作者姓名： | 陈平安 |
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| 作者单位： | 河南省煤田地质局四队 |
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| 摘 要： | 针对大直径钻孔采空区施工技术难题,结合新庄孜矿大直径瓦斯孔工程实例,对大直径钻孔采空区施工工序、成孔技术与下管固井工艺等施工难点进行了分析和探讨,总结了大直径瓦斯孔采空区的重点施工技术。对遇到类似工程的施工单位可供借鉴。
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| 关 键 词： | 大直径瓦斯孔 煤矿采空区 封堵 固井 |
| 收稿时间： | 2016/6/14 0:00:00 |
| 修稿时间： | 2016/6/15 0:00:00 |
Construction Technology for Large Diameter Gas Drainage Borehole through Coalmine Gob Area |
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| CHEN Ping-an.Construction Technology for Large Diameter Gas Drainage Borehole through Coalmine Gob Area[J].Exploration Engineering:Rock & Soil Drilling and Tunneling,2016,43(10):209-214. |
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| Authors: | CHEN Ping-an |
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| Affiliation: | The 4th Team, Coalfield Geology Bureau of Henan Province |
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| Abstract: | In view of the technical difficulties existed in large diameter borehole through coalmine gob area, based on the large diameter gas drainage hole construction practice in Xinzhuangzi coalmine, the construction process, drilling technology and casing & cementing technologies were analyzed and discussed. The key construction technologies for large diameter gas drainage borehole in coalmine gob area were summed up, which can be used for reference in similar engineering. |
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| Keywords: | large diameter gas drainage hole coalmine gob area plugging cementing |
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