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东海盆地西湖凹陷原油地化特征及来源分析

曹倩 宋在超 周小进 梁世友 王岭

曹倩, 宋在超, 周小进, 梁世友, 王岭. 东海盆地西湖凹陷原油地化特征及来源分析[J]. 石油实验地质, 2019, 41(2): 251-259. doi: 10.11781/sysydz201902251
引用本文: 曹倩, 宋在超, 周小进, 梁世友, 王岭. 东海盆地西湖凹陷原油地化特征及来源分析[J]. 石油实验地质, 2019, 41(2): 251-259. doi: 10.11781/sysydz201902251
CAO Qian, SONG Zaichao, ZHOU Xiaojin, LIANG Shiyou, WANG Ling. Geochemical characteristics and source of crude oil in Xihu Sag, East China Sea Shelf Basin[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2019, 41(2): 251-259. doi: 10.11781/sysydz201902251
Citation: CAO Qian, SONG Zaichao, ZHOU Xiaojin, LIANG Shiyou, WANG Ling. Geochemical characteristics and source of crude oil in Xihu Sag, East China Sea Shelf Basin[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2019, 41(2): 251-259. doi: 10.11781/sysydz201902251

东海盆地西湖凹陷原油地化特征及来源分析

doi: 10.11781/sysydz201902251
基金项目: 

中国石化上海海洋油气分公司科研项目"东海西湖凹陷中央背斜带成藏主控因素研究"(34000000-12-ZC0613-0004)资助。

详细信息
    作者简介:

    曹倩(1983-),女,硕士,高级工程师,从事油气成藏及资源评价工作。E-mail:caoqian.syky@sinopec.com。

  • 中图分类号: TE122.1

Geochemical characteristics and source of crude oil in Xihu Sag, East China Sea Shelf Basin

  • 摘要: 将地化、地质分析相结合,分析了东海陆架盆地西湖凹陷中央背斜带、三潭深凹和保俶斜坡原油的地化特征,进行了油源对比,并梳理了油气成藏过程。不同构造带原油成熟度、母质来源及成藏过程存在差异:西湖凹陷原油成熟度分布在成熟-高成熟范围,中央背斜带以成熟原油为主,三潭深凹和保俶斜坡原油在成熟-高成熟范围均有分布。油源对比结果显示,中央背斜带花港组原油的源岩以花港组泥质烃源岩为主;三潭深凹花港组原油的源岩以平湖组和花港组泥质烃源岩为主;保俶斜坡平湖组原油源岩以平湖组煤系烃源岩为主;保俶斜坡宝石组原油的源岩以宝石组泥质烃源岩为主。西湖凹陷原油普遍具有"蒸发分馏、气洗分馏"的成藏机制,以保俶斜坡原油最为典型。

     

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出版历程
  • 收稿日期:  2018-04-27
  • 修回日期:  2019-01-31
  • 刊出日期:  2019-03-28

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