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根据排烃研究的最新成果及煤岩研究的最新进展,认为煤岩中油气运移的主要机理为生烃增压驱动下沿微裂缝的独立烃相排出,含烃饱和度和破裂压力是控制排烃的两个主要因素,据此建立了煤岩微裂缝排烃模型.将它应用到辽河盆地桃园--荣兴屯地区的排烃研究中,获得了较理想的结果,表明该模型是合理的.
According to the latest achievements in hydrocarbon expulsion research and the latest progress in coal and rock research, it is considered that the main mechanism of hydrocarbon migration in coal and rock is the independent hydrocarbon phase driven by micro-cracks driven by hydrocarbon generation and pressurization. The hydrocarbon saturation and fracture pressure are controlled The two main factors of hydrocarbon expulsion are based on which a model of micro-fracture hydrocarbon expulsion is established. It is applied to the hydrocarbon expulsion study in Taoyuan-Rongxingtun area of Liaohe Basin and the ideal result is obtained. reasonable.