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The Gas-geology Law and Gas Forecasting in Xuehu Mine

Author: YangDeFang
Tutor: ZhangZiMin；ZhangYuGui
School: Henan Polytechnic University
Course: Safety Technology and Engineering
Keywords: Gas Geology Gas Forecast Structural control Tectonic coal
CLC: TD712.5
Type: Master's thesis
Year: 2009
Downloads: 87
Quote: 1
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Abstract


In this paper, Yongxia coalfield Xue Lake Ida two two seams in the study area , the use of gas geological theory, combined with borehole logs sentenced identification technology, presents a large area of ??shallow magma intrusion along the seam of coal seam gas deposit law research methods. On the development of the coal structure , distribution and tectonic relations with prominent made ??a thorough study of the formation of tectonic coal thickness understand translated as coal and gas outburst prediction parameters regional approach , highlighting the danger zone improves prediction accuracy . ( A ) study drew to a large area of ??shallow magma intrusion along the seam methane occurrence resulting partition zonation , and coal to magmatic rocks metamorphic belt centered essentially zonal distribution of gas by dividing the different geological units for different geological units respectively gas content prediction . ( 2 ) study the structure of bedding and fault slip control action on the law of tectonic coal analysis reveals structural composite seam gas lots are an important part of local enrichment . Composite structures are proposed tectonic coal gas occurrence and formation of the ideal place. Improved the geological structure of coal and gas outburst control mechanism . ( 3 ) Preliminary research borehole logs sentence recognition technology interpreted tectonic coal , coal- derived distribution structure , pointing out the lack of underground mine infrastructure observations catalog and more effective tectonic coal research new methods and new technologies, their exact deliver people to factor large , only as a coal and gas outburst prediction reference indicators, but the study of tectonic coal distribution have a greater significance. ( 4 ) How to control the gas deposit structure and tectonic coal distribution , gas occurrence , tectonic coal and gas disaster qualitative and quantitative relationships to detect and predict gas -rich region and tectonic coal zone means and models.

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CLC: > Industrial Technology > Mining Engineering > Mine safety and labor protection > Mine atmosphere > Mine Gas > Gas emission and forecast
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