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下扬子地区多期的构造事件叠置导致裂缝的发育的复杂性,总体上该区断层和裂缝发育具多期、多方向、多类型、多尺度及多形成机制叠置的特点,裂缝发育的复杂性导致裂缝性储层预测的难度大。本文通过对大量的岩芯及野外露头精细观察和采样,并开展室内相关分析测试工作,采用地球化学方法、测井解释方法及地质统计学方法对裂缝开展了综合性研究工作。
The superimposition of multiple structural events in the Lower Yangtze region resulted in the complexity of fracture development. Generally speaking, faults and fractures in this area have the characteristics of multi-period, multi-direction, multi-type, multi-scale and multi- Complexity leads to difficulty in predicting fractured reservoirs. In this paper, a large number of core and field outcrop observation and sampling, and to carry out indoor related analysis and testing work, the use of geochemical methods, logging interpretation and geostatistics methods to carry out a comprehensive study of cracks.