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Structure-controlling on Gas Storage and Gas Prediction in Lvshuidong Minefield

Author: LiPu
Tutor: ZhangZiMin；ZhangYuGui
School: Henan Polytechnic University
Course: Safety Technology and Engineering
Keywords: Tectonic evolution Gas Occurrence Seam depth Green water hole mine
CLC: P618.11
Type: Master's thesis
Year: 2009
Downloads: 70
Quote: 0
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Abstract


The gas is a product of the geological , gas generation, migration, storage conditions is being affected by the geological control . The modern coal seam gas Occurrence is subjected to complex geological evolution of the role of coal-bearing strata . In this thesis, the use of regional tectonic evolution theory , the gas deposit structure stepwise control theory, combined coal production Lushuidong revealed a large number of field measurement Gas Emission gas content , gas pressure data , and field observations tectonic coal distribution state , study the tectonic evolution of the Huayingshan mine gas Health , storage , transport , cover the control action ; analysis of green water hole mine methane occurrence and tectonic coal development characteristics ; predict the region highlight the danger of coal and gas , designed to investigate the geological structure of the green water hole Ida gas hosting control characteristics . Chuandong high and steep structure with Huayingshan fault , the Huayingshan mine constructed from control role; the Huayingshan mine under the control of the Huayingshan fault region NNE compressive shear structure is the most developed and the multi-phase extrusion role in the transformation of the shear structure , easy gas occurrence , increased coal and gas outburst dangerous , and less development of the NW-trending transtensional faults superimposed effect of the shear stress field in the late pressure , leading to deep mine of the group to increase the fault near the coal and gas outburst risk . Gas emission amount of seam depth and the roof of the seam thickness and coal thickness was positively correlated . Seam depth is green water hole coal mine gas emission controlling factor; mine coal and gas outburst is mainly distributed in the seam from thin to thick sharp transition zone , the steepest part of the coal seam dip angle , north-east to near the fault and deep NW trending faults near . This study for the mine mine planning , ventilation design , coal bed methane extraction and coal and gas outburst risk prediction reference .

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CLC: > Astronomy,Earth Sciences > Geology > Of ore deposits > Deposit classification > Fuel deposits > Coal
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