张矿明;范志伟;马成宪;杨凤;李旭文;

• 1:中国石化勘探分公司勘探研究院

摘要(Abstract)：

在主力勘探领域未明确的背景下,探讨桂中地区下石炭统寺门组砂岩储层物源特征,结合野外剖面和钻井薄片、砂地比和砂砾岩厚度分布、重矿物组合、古流向、地震相等资料,研究桂中地区下石炭统寺门组物源体系及沉积相展布规律。结果表明:桂中地区寺门组可分为3个物源组合区,Ⅰ区主要位于桂中西北部的南丹、环江地区;Ⅱ区主要位于桂中东部柳城、鹿寨地区;Ⅲ区为Ⅰ、Ⅱ区的混源区。母岩主要来源于北部雪峰古陆与东部云开古陆,靠近古陆发育三角洲相沉积,前缘受古地貌、潮汐及波浪影响,形成砂坝或滩。该结果为桂中地区油气勘探评价提供指导。

关键词(KeyWords)：寺门组;物源特征;沉积相;下石炭统;岩相古地理;桂中地区

Abstract:

Keywords:

基金项目(Foundation):国家科技重大专项(2017ZX05005-003)

作者(Author):张矿明;范志伟;马成宪;杨凤;李旭文;

Email:

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