Technology and method of coal and gas outburst prediction during coal geological exploration

机译：煤炭地质勘探中煤与瓦斯突出预测技术及方法

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During coal resource exploration, structural deformed coal can be distinguished using geophysical well logging, and also can be predicted through the analysis of thickness of coal seam and its variations, and through the analysis of lithology, thickness and mechanics property of the roof and the floor of the coal seam and their variations. In-situ stress state and extent of deformation of the coal seam can be obtained from analysis of geological structure, structure curvature of the floor contour map of coal seam, and stress numerical simulation. In addition, we can obtain the measured gas content and pressure of coal seam directly from measures, and indirectly from the prediction means of gradient of gas content and pressure of the coal seam, explanation of geophysical data. Based on the coupling analysis of gas content, coal mechanical properties and stress state, we put forward technology and method to prediction of outburst zone of coal and gas.

机译：在煤炭资源勘探过程中，可以通过地球物理测井来识别构造变形煤，也可以通过分析煤层厚度及其变化，并通过分析顶板和底板的岩性，厚度和力学特性来预测煤层及其变化。通过分析地质构造，煤层底板轮廓图的结构曲率和应力数值模拟，可以获得煤层的原地应力状态和变形程度。此外，我们可以直接通过测量获得煤层的测得的瓦斯含量和压力，也可以间接地通过煤层的瓦斯含量和压力梯度的预测手段获得地球物理数据的解释。在对瓦斯含量，煤力学特性和应力状态进行耦合分析的基础上，提出了煤与瓦斯突出区预测的技术和方法。

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来源
《The 6th international conference on mining science amp; technology (ICMST2009)》|2009年|p.1-6|共6页
会议地点 Xuzhou(CN);Xuzhou(CN)
作者
Fu Xue-hai; Zhang Wen-ping; Zhou Ya-nan; Si Xu-fei; Wu Hang;
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作者单位

School of Resource and Earth Sciences, China University of Mining Technology, Xuzhou 222116, China;

Technology center of Luan Mining Group, Changzhi 046204, China;

School of Resource and Earth Sciences, China University of Mining Technology, Xuzhou 222116, China Geologic Institute of Huainan Mining Group, Huainan 232000, China;

Technology center of Luan Mining Group, Changzhi 046204, China;

School of Resource and Earth Sciences, China University of Mining Technology, Xuzhou 222116, China Geologic Institute of Huainan Mining Group, Huainan 232000, China;

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会议组织
原文格式 PDF
正文语种 eng
中图分类矿业工程;
关键词
gas; structural deformed coal; well logging; structure curvature;

机译：天然气;结构变形煤;测井;结构曲率;

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Technology and method of coal and gas outburst prediction during coal geological exploration

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