天然气地球科学 ›› 2012, Vol. 23 ›› Issue (3): 438–442.doi: 10.11764/j.issn.1672-1926.2012.03.438

• 天然气地质学 • 上一篇    下一篇

渤中坳陷渤中25-1/S油田硫化氢成因研究

 田楠, 牛洪彬, 马团校, 李洋冰   

  1. 1.中海石油(中国)有限公司天津分公司,天津 300452;
    2.中海油能源发展股份有限公司采油技术服务分公司,天津 300452
  • 收稿日期:2012-03-05 修回日期:2012-03-26 出版日期:2012-06-10 发布日期:2012-06-10
  • 通讯作者: 田楠tiannan@cnooc.com.cn. E-mail:tiannan@cnooc.com.cn.
  • 作者简介:田楠(1957-),男,四川简阳人,高级工程师,硕士,主要从事油气田勘探开发与管理工作.E-mail:tiannan@cnooc.com.cn.

Hydrogen Sulfide Genesis in BZ 25-1/S Oilfields,Bozhong Depression

 TIAN  Nan, NIU  Hong-Bin, MA  Tuan-Jiao, LI  Yang-Bing   

  1. 1.CNOOC Tianjin Company,Tianjin 300452, China;
    2.CNOOC Energy Technology and Services-Oilfield Technology Services Co., Tianjin 300452, China
  • Received:2012-03-05 Revised:2012-03-26 Online:2012-06-10 Published:2012-06-10

摘要:

硫化氢是天然气和石油伴生气中的一种有害成分,会给油气的安全生产带来隐患。在渤海湾盆地渤中坳陷渤中25-1/S油田开发期间,在多口井中检测到硫化氢,含量达到(5~318)×10-6通过天然气、硫酸盐、硫化亚铁等样品的实验分析,对该油田明化镇组下段和沙河街组硫化氢成因进行研究,认为渤中25-1/S油田硫化氢与油气同源,来源于古近系沙河街组干酪根的热分解。

关键词: 渤中25-1/S油田, 硫化氢, 硫同位素, 成因

Abstract:

Hydrogen sulfide as a harmful gas ingredient in gas and oil associated gas brings the potential safe question of oil and gas production.During the oil field  development of BZ 25-1/S oilfield in the Bozhong Depression,Bohai Bay basin,H2S has been detected in the some wells,distributing in rang of (5-318) × 10-6.In this paper,we collected the samples of natural gas,sulfate and ferrous sulfide and measured theH2S content,carbon isotopic compositions of alkene gases and sulfur stable isotopes of H2S and solid sulfur-bearing matters in the low part of Minghuazhen Formation and Shahejie Formation of BZ 25-1/S oilfield.The results show that the hydrogen sulfide as well as oil and gas in the BZ 25-1/S oilfield is sourced from the Shahejie Formation source rock,and the  hydrogen sulfide is thermally decomposed from the source rock rather than TSR or BSR.

Key words: BZ 25-1/S oilfields, Hydrogen sulfide, Sulfur isotopes, Genesis.

中图分类号: 

  • TE122.1


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