贾爽;肖开华;刘国萍;

• 1:中国石化石油勘探开发研究院

摘要(Abstract)：

利用地震、地质、测井等资料,研究元坝中东部须四段层序地层框架内沉积特征及沉积模式;从构造背景、沉积体形态和规模、沉积构造、岩石特征方面论证沉积体系类型,建立沉积微相识别模式及演化模式;根据砂岩岩屑成分分布、沉积体积分异特征建立双物源沉积模式.结果表明:元坝中东部地区须四段为辫状河三角洲沉积体系,受北西、北东两个方向物源控制,在须四段沉积时期,沉积中心向东迁移,总体呈退积趋势.元坝中东部须四段含气潜力较好,明确沉积体系及沉积模式可以为勘探开发提供依据.

关键词(KeyWords)：沉积特征;沉积模式;沉积体系;须四段;元坝地区

Abstract:

Keywords:

基金项目(Foundation):中国石化油田事业部导向项目(G5800-13-ZS-YTB052)

作者(Author):贾爽;肖开华;刘国萍;

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