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东濮凹陷内普遍发育超压。笔者从演化的各个反应过程进行了详细分析比较,认为东濮凹陷深层超压对有机质热演化过程的抑制作用主要表现在对烃类热裂解、烃类结构或构型的抑制,而对干酪根热降解过程并没有产生可识别的抑制作用。深层超压对烃类热裂解的抑制作用,直接扩大了勘探层位,有利于东濮凹陷深层的勘探与开发。
Overpressure is generally developed in Dongpu Depression. The authors analyzed and compared the evolution of the various reaction processes in detail. It is concluded that the depressing effect of deep overpressure on the thermal evolution of organic matter in Dongpu Depression is mainly manifested in the inhibition of hydrocarbon pyrolysis, hydrocarbon structure or configuration, The thermal degradation process did not produce a detectable inhibitory effect. The effect of deep overpressure on the pyrolysis of hydrocarbons directly enlarges the exploration horizon and is favorable for the deep exploration and development in Dongpu depression.