| 煤矿瓦斯地质钻探用钻杆工作机理探讨 |
| 投稿时间：2008-03-28 点此下载全文 |
| 引用本文：马沈岐,汪芸.煤矿瓦斯地质钻探用钻杆工作机理探讨[J].钻探工程,2008,35(9):11-15.MA Shen-qi,WANG Yun. Research on Working Mechanism of Drilling Pipe for Geological Drilling of Coalmine Gas[J]. Drilling Engineering, 2008,35(9):11-15. |
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| 中文摘要:在非平衡条件下进行的瓦斯地质钻探工作中，根据不同的瓦斯地质条件设计、制造不同类型的钻杆，在解决松软煤层的钻进中取得了较好的效果。结合实际工作中不同钻杆的使用情况，对其排渣机理、适用条件以及应用中要注意的问题和工艺参数进行了论述，对钻具级配的选择具有指导意义。 |
| 中文关键词:煤矿瓦斯 地质钻探 钻杆 非平衡条件 排渣机理 工艺参数 |
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| Research on Working Mechanism of Drilling Pipe for Geological Drilling of Coalmine Gas |
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| Abstract:Good progress has been made in the drilling work under unbalanced conditions by designing and producing different drilling pipes on the basic of different gas geological conditions. The paper expounds the slag discharging mechanism, the scope of application, as well as the attentions and technological parameters of different dilling pipes. |
| keywords:coalmine gas geological drilling drilling pipe unbalanced condition slag discharging mechanism technical parameters |
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