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渤海湾盆地东濮凹陷胡古2井天然气地球化学特征与成因

倪春华 包建平 周小进 许书堂 徐良发 徐田武 苏颂臣

倪春华, 包建平, 周小进, 许书堂, 徐良发, 徐田武, 苏颂臣. 渤海湾盆地东濮凹陷胡古2井天然气地球化学特征与成因[J]. 石油实验地质, 2015, 37(6): 764-769. doi: 10.11781/sysydz201506764
引用本文: 倪春华, 包建平, 周小进, 许书堂, 徐良发, 徐田武, 苏颂臣. 渤海湾盆地东濮凹陷胡古2井天然气地球化学特征与成因[J]. 石油实验地质, 2015, 37(6): 764-769. doi: 10.11781/sysydz201506764
Ni Chunhua, Bao Jianping, Zhou Xiaojin, Xu Shutang, Xu Liangfa, Xu Tianwu, Su Songchen. Geochemical characteristics and types of natural gas from well Hugu 2 in the Dongpu Sag of Bohai Bay Basin[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2015, 37(6): 764-769. doi: 10.11781/sysydz201506764
Citation: Ni Chunhua, Bao Jianping, Zhou Xiaojin, Xu Shutang, Xu Liangfa, Xu Tianwu, Su Songchen. Geochemical characteristics and types of natural gas from well Hugu 2 in the Dongpu Sag of Bohai Bay Basin[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2015, 37(6): 764-769. doi: 10.11781/sysydz201506764

渤海湾盆地东濮凹陷胡古2井天然气地球化学特征与成因

doi: 10.11781/sysydz201506764
基金项目: 中国石化油田勘探开发事业部重大勘探导向项目 (G5800-13-ZS-YTB027)资助。
详细信息
    作者简介:

    倪春华(1981—),男,博士生,工程师,从事油气地质与地球化学研究。E-mail:nichunhua.syky@sinopec.com

  • 中图分类号: TE122.1+13

Geochemical characteristics and types of natural gas from well Hugu 2 in the Dongpu Sag of Bohai Bay Basin

  • 摘要: 东濮凹陷是中国东部地区典型的富含油气盆地,经过数十年的勘探已相继发现了一批油气田,近期在胡状集潜山钻探的胡古2井于二叠系上石盒子组、石千峰组试获工业气流。通过对胡古2井二叠系天然气地球化学特征的系统研究,同时结合区域地质背景资料,综合分析了其成因类型及来源。研究表明,该天然气烃类气体组成以甲烷为主,重烃气含量较低,干燥系数为0.977~0.985,属于干气;甲烷、乙烷、丙烷碳同位素值分别为-28.70‰~-28.40‰,-16.00‰~-14.50‰,-19.00‰~-15.70‰,且乙烷、丙烷碳同位素发生倒转,主要是由同源不同期的天然气混合所导致。胡古2井二叠系天然气属于煤成气,来自于石炭-二叠系煤系烃源岩,且喜马拉雅期高演化阶段生成的干酪根裂解气占主体。

     

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  • 收稿日期:  2014-08-05
  • 修回日期:  2015-09-21
  • 刊出日期:  2015-11-28

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