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孟加拉盆地油气分布特征及主控因素

刘铁树 袭著纲 骆宗强

刘铁树, 袭著纲, 骆宗强. 孟加拉盆地油气分布特征及主控因素[J]. 石油实验地质, 2015, 37(3): 361-366. doi: 10.11781/sysydz201503361
引用本文: 刘铁树, 袭著纲, 骆宗强. 孟加拉盆地油气分布特征及主控因素[J]. 石油实验地质, 2015, 37(3): 361-366. doi: 10.11781/sysydz201503361
Liu Tieshu, Xi Zhugang, Luo Zongqiang. Hydrocarbon distribution and major controlling factors of Bengal Basin, Bangladesh[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2015, 37(3): 361-366. doi: 10.11781/sysydz201503361
Citation: Liu Tieshu, Xi Zhugang, Luo Zongqiang. Hydrocarbon distribution and major controlling factors of Bengal Basin, Bangladesh[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2015, 37(3): 361-366. doi: 10.11781/sysydz201503361

孟加拉盆地油气分布特征及主控因素

doi: 10.11781/sysydz201503361
基金项目: 国家油气重大专项"大陆边缘盆地类比与油气成藏规律研究"(2011ZX05030001)资助.
详细信息
    作者简介:

    刘铁树(1965-),男,高级工程师,从事石油地质与勘探研究.E-mail:liuts@cnooc.com.cn.

  • 中图分类号: TE122.3

Hydrocarbon distribution and major controlling factors of Bengal Basin, Bangladesh

  • 摘要: 孟加拉盆地是发育在印度次大陆东北角比较典型的残留洋盆地,其经历了裂陷期、裂后期和前渊期。在残留洋盆地形成阶段发育了最重要的生储盖组合,主要烃源岩是渐新统Jenam组和中新统Bhuban组页岩;主要储集层是中新统Surma群Bhuban组和Boka Bil组陆架到潮控三角洲砂岩;盖层主要为中新统—上新统的海相页岩,分布广泛;圈闭类型以背斜为主。孟加拉盆地以天然气为主,绝大部分气田平面上分布在Surma坳陷、Tangail凸起、Hatia坳陷和东部褶皱带。天然气富集层位主要位于中新统Bhuban组和Boka Bil组。气田的分布与残留洋盆地的形成密切相关,盆地演化控制了含气层系的发育,盆地结构控制了天然气的平面分布。今后勘探的重点为盆地东部Surma坳陷及周缘、Hatia坳陷和东部褶皱带,处于压力过渡带的Surma群砂岩储层应是油气勘探的重点层系。通过对孟加拉盆地演化、石油地质条件和油气分布特征以及天然气成藏规律和主控因素的研究,可为残留洋盆地油气勘探提供借鉴和参考。

     

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出版历程
  • 收稿日期:  2014-01-23
  • 修回日期:  2015-03-17
  • 刊出日期:  2015-05-28

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