【摘要】：瓦斯是地質作用的產(chǎn)物，地質演化控制瓦斯的生成、保存、賦存規(guī)律，實踐證明瓦斯地質研究是治理瓦斯和防治瓦斯災害的基礎。 本論文運用板塊構造理論、區(qū)域地質演化及瓦斯賦存構造逐級控制理論，研究了烏蘭礦區(qū)地質構造對瓦斯賦存的影響；結合烏蘭煤礦大量瓦斯地質資料和實測數(shù)據(jù)，編制礦井瓦斯地質圖，研究礦井瓦斯賦存規(guī)律。 在編制烏蘭煤礦瓦斯地質圖的過程中，研究了斷層、褶皺、煤層埋藏深度、頂?shù)装鍘r性、煤層傾角等因素對瓦斯賦存的影響。通過綜合分析得出了影響瓦斯含量的主控因素是埋藏深度，并采用多元線性回歸分析方法，建立數(shù)學模型，通過逐步回歸的方法得出了瓦斯含量于埋深的線性關系；在上述的基礎上對烏蘭煤礦相對瓦斯涌出量進行了預測；并對其煤層氣資源量進行了預計，結果與事實情況吻合。本文的研究結論對烏蘭礦及臨近礦井的瓦斯治理工作具有指導性意義。
[Abstract]:Gas is the product of geological action. Geological evolution controls the generation, preservation and occurrence of gas. The practice proves that gas geology research is the basis of gas control and gas disaster prevention. In this paper, the influence of geological structure on gas occurrence in Wu Lan mining area is studied by using plate tectonics theory, regional geological evolution and gas occurrence structure control theory. Combined with a large amount of gas geological data and measured data in Wu Lan coal mine, the gas geological map of mine is worked out and the law of gas occurrence in mine is studied. In the course of compiling gas geological map of Wu Lan coal mine, the influence of fault, fold, buried depth of coal seam, roof and floor rock property, coal seam dip angle on gas occurrence is studied. Through comprehensive analysis, it is concluded that the main controlling factor of gas content is buried depth, and the mathematical model is established by multivariate linear regression analysis, and the linear relationship between gas content and buried depth is obtained by stepwise regression method. On the basis of the above, the relative gas emission of Wu Lan coal mine is forecasted, and the CBM resource quantity is predicted. The results are in agreement with the facts. The conclusion of this paper is of guiding significance to the gas control work of Wu Lan mine and adjacent mine.
【學位授予單位】：西安科技大學
【學位級別】：碩士
【學位授予年份】：2013
【分類號】：TD712

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