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巴布亚盆地主力烃源岩特征及有效性分析

信石印

信石印. 巴布亚盆地主力烃源岩特征及有效性分析[J]. 石油实验地质, 2018, 40(6): 843-848. doi: 10.11781/sysydz201806843
引用本文: 信石印. 巴布亚盆地主力烃源岩特征及有效性分析[J]. 石油实验地质, 2018, 40(6): 843-848. doi: 10.11781/sysydz201806843
XIN Shiyin. Characteristics of main source rocks and their effectiveness in Papuan Basin[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2018, 40(6): 843-848. doi: 10.11781/sysydz201806843
Citation: XIN Shiyin. Characteristics of main source rocks and their effectiveness in Papuan Basin[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2018, 40(6): 843-848. doi: 10.11781/sysydz201806843

巴布亚盆地主力烃源岩特征及有效性分析

doi: 10.11781/sysydz201806843
基金项目: 

国家科技重大专项“海外重点区勘探开发关键技术研究”(2017ZX05032)资助。

详细信息
    作者简介:

    信石印(1986-),男,工程师,从事海外油气勘探工作。E-mail:xinshy2@cnooc.com.cn。

  • 中图分类号: TE121.1

Characteristics of main source rocks and their effectiveness in Papuan Basin

  • 摘要: 以现代石油地质理论和生排烃理论为基础,利用研究区钻井所获样品的地球化学分析资料,较为系统地研究了巴布亚盆地侏罗系主力烃源岩的特征。研究表明,侏罗系主力烃源岩自下而上可分为迈格布组、巴里科瓦组、科伊-昂基组、依姆布鲁组及远端马利尔组,主要分布于巴布亚盆地中西部地区。烃源岩有机质丰度较高,w(TOC)主要分布于0.5%~2.0%,中、下侏罗统丰度高于上侏罗统;有机质类型以Ⅱ2-Ⅲ型为主,整体偏生气;烃源岩生油门限为埋深2 500 m,整体处于低成熟-成熟阶段,局部达到高成熟-过成熟阶段。以烃源岩生排烃理论为指导,依据有机质丰度指标中w(TOC)和热解S1的相关关系,确定了侏罗系有效烃源岩的有机质丰度下限为1.0%;结合侏罗系烃源岩有机质丰度和热演化程度分布特征,预测侏罗系有效烃源岩主要分布于弗莱台地中部地区和巴布亚褶皱带局部地区。

     

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出版历程
  • 收稿日期:  2018-02-06
  • 修回日期:  2018-07-30
  • 刊出日期:  2018-11-28

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