郑珊珊;刘洛夫;万青青;徐正建;陈浩;肖遥;

• 1:中国石油大学(北京)油气资源与探测国家重点实验室

• 2:中国石油大学(北京)盆地与油藏研究中心

摘要(Abstract)：

根据单井和连井相分析,以岩心分析、测井、钻井及地震资料为基础,研究准噶尔盆地车排子地区下侏罗统八道湾组沉积相类型及沉积演化过程;采用井—相控结合方法,分析沉积微相演化和平面展布特征。结果表明:八道湾组主要发育辫状河三角洲沉积体系,其中辫状河和辫状河三角洲是优势沉积相,辫状河三角洲平原比辫状河三角洲前缘物性好。结合沉积厚度、砂地比、连井剖面特征及沉积相平面展布特征,将研究区八道湾组自下而上划分为5个沉积发育时期(MSC1-1、MSC1-2、MSC2、MSC3-1及MSC3-2),不同沉积时期可容空间(A)和沉积物供应(S)相对变化不同,使古水深由浅到深再到浅,由辫状河相向湖泊和沼泽演化,整体呈现湖退—湖进—湖退沉积演化模式。Ⅰ类有利勘探区比Ⅱ类有利勘探区更易形成优质储层,红车断裂带附近斜坡区是有利勘探开发区,八道湾组煤系地层是有利勘探开发层位。该结果对研究准噶尔盆地车排子地区沉积演化过程具有指导意义。

关键词(KeyWords)：准噶尔盆地;车排子地区;八道湾组;沉积相类型;辫状河三角洲;沉积体系

Abstract:

Keywords:

基金项目(Foundation):国家科技重大专项(2011ZX05003-001);; 国家自然科学基金项目(41372143)

作者(Author):郑珊珊;刘洛夫;万青青;徐正建;陈浩;肖遥;

Email:

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