| 大直径瓦斯孔穿采空区施工技术 |
| 投稿时间：2016-06-14 修订日期：2016-06-15 点此下载全文 |
| 引用本文：陈平安.大直径瓦斯孔穿采空区施工技术[J].钻探工程,2016,43(10):209-214.CHEN Ping-an. Construction Technology for Large Diameter Gas Drainage Borehole through Coalmine Gob Area[J]. Drilling Engineering, 2016,43(10):209-214. |
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| 中文摘要: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。 |
| 中文关键词:大直径瓦斯孔 煤矿采空区 封堵 固井 |
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| Construction Technology for Large Diameter Gas Drainage Borehole through Coalmine Gob Area |
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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. |
| keywords:large diameter gas drainage hole coalmine gob area plugging cementing |
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