Composite Advanced Detection for Coal Seam Thickness in Coal Roadway

Composite Advanced Detection for Coal Seam Thickness in Coal Roadway
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煤巷煤层厚度综合先进检测

DOI:
10.2174/1874834101508010153
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发表时间:
2015-03
期刊:
Petroleum Engineering Journal
影响因子:
--
通讯作者:
Chen Mulan
Chen Mulan
中科院分区:
其他
文献类型:
--
作者:
Wang Bo;Zhang Xiayang;Liu Shengdong;Lu Tuo;Chen Mulan

文献摘要

参考文献

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煤层厚度的变化是由原始沉积环境和后期构造变形等多种原因造成的。掘进工作面前方煤层厚度的变化会影响开采的效率和安全进行,因此对煤层厚度进行超前预测具有重要意义。然而,单一的先进探测方法很难预测煤层厚度。本文结合了三种方法,利用弹性波场和地电场特征,通过小波分析进行数据融合。现场试验表明,综合超前探测预报煤层厚度的精度接近,误差小于5%。
The thickness change of coal seam can be resulted from several reasons, like primary sedimentary environ- ment and later tectonic deformation. The thickness change ahead of driving face may have an impact on the efficiency and safety of the mining progress, thus the advanced prediction of seam thickness is important. However, it is hard to predict the seam thickness with a single advanced detection method. This paper combines three methods, e.g., MSP, MRP, and MTEM to perform a joint detection, and makes data fusion through wavelet analysis, which makes use of the elastic wave field and geo-electrical field characteristics. A field test indicates that the prediction of seam thickness by means of inte- grated advanced detection is approximately accurate with an error less than 5%.
DOI: --
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