The main factors influencing the gas preservation condition includes the fault amplitude, fault fragmented intervals, fault surface dip, and the position of fracture cavity system in the faulted zone.

大断裂影响缝洞系统保存条件的主要因素包括：大断裂断距、断层上消失层位、断面倾角、盖层厚度以及缝洞系统所处断裂带位置等。

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In this paper, a method is proposed such that the strike, dip, dipping direction and fracture length of a fault plane can be determined using of isoseismal lines.

本文提出了利用等震线测定地震断层面的走向、倾向、倾角和破裂长度等震源参数的宏观方法。

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Fractures in deep Eogene clastic rock of Qibei area has been analyzed through core description, scanning micro fissures by electron microscope, testing fracture wrap, and stratigraphic dip logging.

利用岩心描述、微裂缝电镜扫描、裂缝包裹体测试、地层倾角测井等多项资料对歧北地区下第三系深层碎屑岩储层裂缝进行分析。

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