雅布赖盆地萨尔台凹陷烃源岩地球化学特征、成熟度演化与油气关系

田涛, 任战利, 马国福, 张睿胜, 杨智明, 郭科, 董欣. 雅布赖盆地萨尔台凹陷烃源岩地球化学特征、成熟度演化与油气关系[J]. 地球物理学进展, 2014, 29(6): 2745-2753. doi: 10.6038/pg20140641
引用本文: 田涛, 任战利, 马国福, 张睿胜, 杨智明, 郭科, 董欣. 雅布赖盆地萨尔台凹陷烃源岩地球化学特征、成熟度演化与油气关系[J]. 地球物理学进展, 2014, 29(6): 2745-2753. doi: 10.6038/pg20140641
TIAN Tao, REN Zhan-li, MA Guo-fu, ZHANG Rui-sheng, YANG Zhi-ming, GUO Ke, DONG Xin. The relations of hydrocarbon generation to the geochemical features and maturity evolution of source rocks in Sartai Sag, Yabrai Basin[J]. Progress in Geophysics, 2014, 29(6): 2745-2753. doi: 10.6038/pg20140641
Citation: TIAN Tao, REN Zhan-li, MA Guo-fu, ZHANG Rui-sheng, YANG Zhi-ming, GUO Ke, DONG Xin. The relations of hydrocarbon generation to the geochemical features and maturity evolution of source rocks in Sartai Sag, Yabrai Basin[J]. Progress in Geophysics, 2014, 29(6): 2745-2753. doi: 10.6038/pg20140641

雅布赖盆地萨尔台凹陷烃源岩地球化学特征、成熟度演化与油气关系

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    作者简介:

    田涛, 男, 1987年生, 博士研究生, 西北大学地质学系, 沉积学、构造地质学方向.(E-mail:tiantao_870211@163.com)

    通讯作者: 任战利, 男, 1961年生, 研究员, 博士生导师, 西北大学地质学系, 主要从事沉积盆地构造热演化、油气地质等方面的教学与科研工作.(E-mail:renzhanl@nwu.edu.cn)
  • 中图分类号: P618.3

The relations of hydrocarbon generation to the geochemical features and maturity evolution of source rocks in Sartai Sag, Yabrai Basin

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    Corresponding author: REN Zhan-li
  • 基于大量地球化学参数精细描述,利用热演化模拟技术,分析雅布赖盆地萨尔台凹陷中侏罗统烃源岩地球化学特征、成熟度演化及其与油气的关系.分析结果表明:①凹陷沉积中心,J2q以中-高成熟Ⅲ型烃源岩为主,埋藏深度大,可成为潜在有利气源;J2x1为Ⅱ2-Ⅲ型中成熟中-好烃源岩,为有利油源区;②斜坡带,J2q、J2x1分别为Ⅰ-Ⅲ混合、Ⅱ1-Ⅱ2型中成熟中-好烃源岩,为有利油源区;③黑沙低凸起,各组烃源岩有机质丰度较低,生油潜力一般,但构造位置有利于形成背斜圈闭油藏.J2x2为差生油岩,普遍分布萨尔台凹陷全区,且热演化程度低,只能作为下部油(气)源经垂向运移后的储集体.中侏罗世早期(180.0 Ma)至晚侏罗世末期(140.0 Ma),J2q、J2x1烃源岩快速经历了多阶段演化并达到中高热演化程度,是有机质大量向油气转化的关键阶段.另外,早白垩世末(100.0 Ma)斜坡带达到最大埋深,成为该区域烃源岩成熟演化的第二个关键时期.
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出版历程
收稿日期:  2014-03-12
修回日期:  2014-10-10
刊出日期:  2014-12-20

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