成烃动力学模型在呼和湖凹陷烃源岩评价中的应用

APPLICATION OF KINETIC METHOD ON HYDROCARBON GENERATION TO EVALUATION SOURCE ROCKS IN HUHEHU DEPRESSION

本文利用标定的煤和干酪根成油、直接成气和油成气的化学动力学模型,结合研究区的古热史,对呼和湖凹陷烃源岩的生烃量(史)进行了定量评价。结果表明,成烃的动力学模型不仅可用于烃源岩生烃量(史)的定量计算,而且能为人们深入认识有机质的成烃机理和模式提供有益的启示。

Making use of calibrated chemical kinetic models from coal and kerogen to oil, directly to gas and from oil to gas, combining with the paleoheat history, the history and quantity of hydrocarbon generation in Huhehu depression are evaluated in this paper. The results indicate that not only the kinetic model can be used to calculate the amount of hydrocarbon generation, but also it can supply very valuable information for people to deeply understand the mechanism and stages of hydrocarbon generation.