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The Gas-geology Law and Gas Forecasting in Yunyu Mine

Author: YaoNianGang
Tutor: CuiHongQing；ZhangZiMin
School: Henan Polytechnic University
Course: Safety Technology and Engineering
Keywords: Gas geology Tectonic control Gas Occurrence Gas prediction
CLC: TD712
Type: Master's thesis
Year: 2011
Downloads: 101
Quote: 0
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Abstract


Gas geology law is the basis of the forecast of gas , and accurate forecast of gas is the key to the Comprehensive Gas Control . The paper uses the regional geological evolution theory and gas occurrence the structure stepwise control theory, combined with the results of previous studies , the evolution history of the Qinshui basin formation on the the Pingxi mine Area , tectonic stress field evolution characteristics and Taihang tectonic evolution characteristics were analyzed , mine tectonic evolution and tectonic control features . On this basis , the analysis of the impact of a variety of geological factors on gas occurrence , Ida NNE-trending fracture due to extrusion , cutting activities , prominent coal and gas control action , and validated by numerical simulation test NWW-trending faults tensile and left- twisting activities , gas release . Yun Yu mine gas geological parameters obtained op margin of 15 # coal seam gas in the mine geological rules . Based on the law of mine gas geological , integrating the measured gas parameters to determine the operation and Yu mine 15 # coal seam gas weathered zone lower limit depth , gas content Multivariate linear regression model , the prediction model was tested by the actual gas content of coal . The use of gas geostatistical method and division prediction Gas Emission Prediction results less , and not mine mining area regional Outburst Predicting . The practicability results can be used for guiding mine and mining face ventilation design , anti- sudden Design , gas drainage design and gas integrate disaster management to improve the relevance and effectiveness of the prevention and treatment of gas .

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