大庆油田英台地区黑帝庙油层组构造特征与油气成藏关系

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1、大庆油田英台地区黑帝庙油层组构造特征与油气成藏关系高祥成(构造地质学)指导老师：钟建华教授摘要本文从岩心精细观察描述入手，对大庆油田英台地区的断裂特征、断裂对沉积的控制作用、油气水分布规律和油气成藏特征进行了系统分析，最后指出有利的勘探目标区。研究表明本区发育北东一北北东、近南北、北西一北西西和近东西向四组断裂。构造自南而北依次为南部(大安)凹陷带、中部(英台)鼻状隆起带和北部(古龙)凹陷带；斜坡部位断裂呈北北东一北东走向，凹陷部位断裂里北西走向。，根据岩心相、测井相、地震相的分析认为本区沉积体系为典型的低角度浅水三角洲沉

2、积，受北部、东北部物源的控制，由于地形坡度低、构造活动平稳，因此圈闭少，砂体展布非常稳定，向西、西南方向减薄、尖灭，与东倾构造、北东一北西向断裂相互配置，具备形成断块油藏和断层一岩性油藏的地质条件。在分析了构造特征和断裂的形成演化的基础上，通过对砂体纵横向展布、断层对油气控制作用的分析，结合全区生储盖配置情况，总结了油气水分布规律。最终确定沿哈拉海断裂带为有利的勘探区。关键词：英台地区，黑帝庙油层，构造特征，成藏规律IITherelationshipofstructuralfeaturesandhydrocarbonacc

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