地震沉积学在识别三角洲沉积体系中的应用

被引：41

作者：

李秀鹏 ^{[1
]}

曾洪流 ^{[2
]}

查明 ^{[1
]}

机构：

[1] 中国石油大学地球资源与信息学院

[2] 美国得克萨斯大学奥斯汀分校经济地质局

来源：

成都理工大学学报(自然科学版) | 2008年 / 35卷 / 06期

关键词：

地震沉积学; 三角洲; 沉积体系; 90°相位; 地层切片;

D O I：

暂无

中图分类号：

P539.1 [地震地层学];

学科分类号：

070903 ;

摘要：

地震沉积学在高频率层序和沉积体系研究中有着特殊的优势。90°相位地震资料的振幅可以和岩性测井曲线对应,对地震资料进行90°相位转换后可以通过地震振幅分析岩相。地层切片技术可以在平面上显示相对同一地质沉积时间的沉积分布特征,再结合岩性测井资料可以较准确分析沉积体系。美国南得克萨斯地区Webb县Gold River North油田上白垩统Olmos组钻井资料较少,采用地震沉积学方法对其分析,可以识别出一套完整的三角洲体系,其中包括前三角洲亚相、三角洲前缘亚相、三角洲平原亚相、曲流河相和下切谷沉积等,其中河道砂、河口砂坝和下切谷沉积物是有利的储层。

引用

页码：625 / 629

页数：5

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