雷俊杰;吴颖;尹锦涛;白艳军;周凯;

• 1:延长油田股份有限公司勘探部

• 2:西南石油大学地球科学与技术学院

• 3:西北大学地质学系

• 4:陕西延长石油(集团)有限责任公司研究院

摘要(Abstract)：

为查明黄洛区域延长组中下油层组沉积砂体的物源方向,在岩心、野外露头及分析化验资料研究的基础上,分析古水流方向,总结轻、重矿物和岩屑类型的平面展布特征,探讨研究区延长组中下油层组的古水流方向及物源方向。结果表明:鄂尔多斯盆地三叠系延长组中下油层组岩石类型主要为岩屑长石砂岩,其沉积时期古水流以南—北和东南—西北方向为主,轻、重矿物及岩屑分析显示的物源方向一致,即研究区的北部地区,由于地处沉积坳陷中心位置,具有明显的混源区物源特征,整体物源主要来自南部和东北部。该研究对分析研究区的砂体展布规律、有利区判断及下一步勘探开发具有指导意义。

关键词(KeyWords)：轻矿物组合;重矿物组合;物源分析;延长组;中下油层;鄂尔多斯盆地东南部

Abstract:

Keywords:

基金项目(Foundation):延长油田股份有限公司项目(ycsy2014ky-B-09)

作者(Author):雷俊杰;吴颖;尹锦涛;白艳军;周凯;

Email:

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