吴仕玖;尤丽;招湛杰;徐守立;代龙;钟佳;

• 1:中海石油(中国)有限公司湛江分公司

摘要(Abstract)：

利用岩(壁)心、测井解释、铸体薄片、扫描电镜、阴极发光等资料,研究涠西南凹陷斜阳斜坡带流三段储层特征、物性影响因素及有利储层分布。结果表明:流三段储层岩石类型以岩屑砂岩为主,孔隙类型以原生粒间孔和长石溶孔为主,次为铸模孔,物性为特低孔低渗、低孔低渗及低孔中渗特征,非均质性强。强压实作用、局部强钙质胶结作用和高泥质杂基体积分数是储层物性变差的主要原因;粗粒级、强溶蚀作用及早期烃类充注是深层"甜点"储层发育的关键因素。储层粒度粗、厚度大且处于弱压实区的B-X1、B-X2、B-X3、B-X4和A区,以及周缘早期烃类充注区发育有利储层。该结果为斜阳斜坡带流三段整体评价与目标优选提供地质依据。

关键词(KeyWords)：储层特征;成岩作用;早期烃类充注;有利储层分布;斜阳斜坡;涠西南凹陷

Abstract:

Keywords:

基金项目(Foundation):国家科技重大专项(2016ZX05024-006)

作者(Author):吴仕玖;尤丽;招湛杰;徐守立;代龙;钟佳;

Email:

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