化工进展

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海上油田污水处理技术研究进展

杜春安,潘永强,吴晓玲   

  1. 中国石化集团胜利油田采油工艺研究院,山东 东营 257000
  • 出版日期:2012-05-05 发布日期:2012-05-05

Advances of technologies for offshore oilfield wastewater treatment

DU Chun’an,PAN Yongqiang,WU Xiaoling   

  1. Research Institute of Oil Production Technology,Shengli Oil Field,Dongying 257000,Shandong,China
  • Online:2012-05-05 Published:2012-05-05

摘要: 阐述了国内外海上油田污水处理新技术的研究进展和应用情况,包括海上油田注水水源及水质处理技术、海水中硫酸盐去除技术及海底海水处理和就地注入工艺技术等。同时阐述了采出水回注和达标排放处理技术,重点论述了气浮技术、旋流分离技术、萃取技术、过滤技术、氧化技术及生化处理技术等在海上油田的研究进展及应用现状。最后展望了海上油田污水处理技术发展趋势,其重点是对现有技术的优化改进以及工艺的优化组合,以提高处理效率。

关键词: 海上油田, 采油污水, 回注, 排放

Abstract: In this paper,the advances and applications of treatment technologies for offshore oilfield wastewater were summarized. The seawater treatment technologies for injection,such asincluding sulphate removal from injection water,and subsea raw seawater injection are introduced. Re-injection and discharged wastewater treatment technologies are also discussed,among which flotation cyclone separation,filtration,extraction and oxidation technologies are especially addressed. The development trend of improvement and optimum combination of existing technologies were put forward.

Key words: offshore oilfield, produced water, re-injection, discharge

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