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通过恢复梨树凹陷构造演化历史，对本区控制断陷演化的主要断裂的性质、成因、现今特征、发育历史进行分析，总结出断裂活动的５种模式。结合本区石油地质特征，解剖已知的油气藏和非油气藏，从断裂与油气生、运、聚、保等方面的关系，明确了断裂是控制油气成藏的主要因素，它不仅决定了生烃凹陷的展布和规模，而且常成为连结油源与圈闭的运移通道。断裂控制着圈闭的形成与分布，也是油气藏保存的重要的构造因素。总结出断裂控油气的４种模式。
By recovering the tectonic evolution history of the Lishu Sag, the nature, origin, present characteristics and development history of major faults controlling the faulted evolution in this area are analyzed, and five modes of fault activity are summarized. According to the characteristics of petroleum geology in this area, the known oil and gas reservoirs and non-oil reservoirs are anatomized. Based on the relationship between faults and hydrocarbon generation, transport, accumulation and preservation, it is clear that fracture is the main factor controlling hydrocarbon accumulation. It not only determines The distribution and scale of hydrocarbon-generating depressions, and often become the migration channel connecting the source of oil and the trap. Faults control the formation and distribution of traps and are also important structural factors for the preservation of reservoirs. Summed up the oil and gas fracture control of the four modes.