| 顺层钻孔风力排渣研究 |
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| 引用本文： | 柴永兴. 顺层钻孔风力排渣研究[J]. 淮南职业技术学院学报, 2008, 8(2): 57-60 |
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| 作者姓名： | 柴永兴 |
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| 作者单位： | 安徽理工大学,安徽,淮南,232001;淮南职业技术学院,安徽,淮南,232001 |
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| 摘 要： | 基于两相流的有关原理对顺层长钻孔打钻工艺的有关理论问题进行的论理研究，导出了计算排渣最小风速和整个排渣过程压力损失的计算公式；分析了钻孔直径、钻杆直径、钻进速度、钻杆内孔直径和瓦斯突出危险性程度等因素对最小风速和压力损失的影响；根据这些结论可以进行打钻参数设计。
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| 关 键 词： | 两相流 长钻孔 最小排渣风速 压力损失 |
Wind Slag Discharge of Bored in the Bedding |
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| CHAI Yong-xing. Wind Slag Discharge of Bored in the Bedding[J]. Journal of Huainan Vocational & Technical College, 2008, 8(2): 57-60 |
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| Authors: | CHAI Yong-xing |
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| Affiliation: | CHAI Yong - xing ( 1. Anhui University of Science ＆ Technology, Huainan Anhui 232001 ; 2. Huainan Vocational ＆ Technical College, Huainan Anhui 232001 ) |
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| Abstract: | Based on the principle of two-phase currents,this paper discusses some theoretical issues of the long-drilling borehole in the bedding,and gives calculation formula of minimum wind speed of the slag discharge and pressure loss during the whole process of the slag discharge,and puts forward that the hole diameter,drilling-diameter,the speed of drilling,drill pipe within the hole diameter and gas outburst have a certain effect on the level of the minimum wind speed and pressure loss.According to these boring design parameters can be calculated. |
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| Keywords: | two-phase currents long-drilling borehole minimum wind speed of the slag discharge pressure loss |
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