赵辉;杨学武;岳文成;邹盛林;郭艳琴;惠磊;蔡志成;

• 1:中国石油长庆油田分公司第三采油厂地质研究所
• 2:西安石油大学地球科学与工程学院/陕西省油气成藏地质学重点实验室

摘要(Abstract)：

在野外露头勘测、岩心观察、薄片鉴定及测井资料解释的基础上,对靖安地区延10～延9油层组各小层沉积微相特征和砂体叠置关系进行研究。结果表明延10油层组以辫状河沉积为主,发育河道砂坝和泛滥平原等沉积微相;延9油层组以三角洲平原沉积为主,划分为分流河道和河道间等沉积微相。延10油层组砂体垂向叠置类型为块状厚层砂体,且以延10_1~(1-2)小层最为发育,砂体横向叠置主要为垂向叠置和切割叠置,代表性层位为延10_1~1和延10_1~2小层。延9油层组砂体垂向叠置类型主要为薄互层砂体,发育在延9_2~2小层,砂体的横向叠置类型以水平搭接式和孤立状为主,代表性层位为延9_1~2和延9_2~2小层。

关键词(KeyWords)： 靖安地区;延安组;沉积相;砂体叠置关系;延10~延9油层组

Abstract:

Keywords:

基金项目(Foundation): 国家科技重大专项专题(2017ZX05005-002-004);; 陕西省自然科学基础研究计划项目(2017JQ4018)

作者(Author): 赵辉;杨学武;岳文成;邹盛林;郭艳琴;惠磊;蔡志成;

Email:

DOI: 10.13800/j.cnki.xakjdxxb.2020.0412

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