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借助动力学模拟实验数据,介绍了碳酸盐岩烃源岩获得油气生成动力学参数的方法。结合专用K inetics软件将动力学参数作为参照指标,用动力学方法外推到地质实际中。该体系下碳酸盐岩的裂解动力学研究表明:甲烷的生成主要介于100℃—250℃之间,C2-5烃类气体的生成主要介于150℃—220℃。这为我国的碳酸盐岩烃源岩热解产气的定量模拟提供重要依据,有助于海相碳酸盐岩的资源评估。
Based on the experimental data of dynamic simulation, the method of obtaining the kinetic parameters of hydrocarbon generation from carbonate source rocks is introduced. Kinetics with special Kinetics parameters will be used as a reference kinetic parameters, with the dynamic method of extrapolation to the geological reality. The kinetics of carbonate cracking under this system shows that the formation of methane is mainly between 100 ℃ and 250 ℃, and the formation of C2-5 hydrocarbon gas is mainly between 150 ℃ and 220 ℃. This provides an important basis for the quantitative simulation of pyrolysis gas production of carbonate source rocks in China, which is helpful for the resource assessment of marine carbonate rocks.