刘慧盈;张克鑫;国殿斌;张超前;

• 1:中国石化新星(北京)新能源研究院有限公司

• 2:中国石化地热资源开发利用重点实验室

• 3:中国石油勘探开发研究院

摘要(Abstract)：

应用沉积学理论,根据岩心、测井、录井和地震资料,分析厄瓜多尔Oriente盆地DF油田白垩系M1层M1SS砂岩组沉积微相特征和砂体展布规律,建立沉积模式。结果表明:研究区M1SS砂岩组发育退积式的外潮控河口湾亚相,进一步识别潮汐砂坝、潮汐水道、砂坪、混合坪和潮汐砂坝间等5种沉积微相。M1SS砂岩组沉积末期,相对海面上升至最大海泛面,而后开始下降,形成M1-Zone砂岩组小型进积式潮控三角洲平原亚相沉积,内部识别分流河道、河道间沼泽和潮坪等沉积微相。M1层储层物性主要受沉积微相控制,潮汐砂坝砂体叠置且储层物性最好,是研究区最有利的储集相带。

关键词(KeyWords)：Oriente盆地;DF油田;M1层;沉积特征;沉积微相;外潮控河口湾;潮控三角洲平原

Abstract:

Keywords:

基金项目(Foundation):国家自然科学基金项目(41472119);; 国家科技重大专项(2016ZX05031);; 中国石化股份有限公司重点实验室专项(JKL18033)

作者(Author):刘慧盈;张克鑫;国殿斌;张超前;

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