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本文针对绥靖油田采出水系统存在的主要问题,在对大路沟一区、三区和化子坪区水质组成性质特点进行大量分析和监测的基础上,详细研究了绥靖油田采出水腐蚀、结垢的原因及影响因素,确定出了有效的防腐阻垢方法和对策,筛选评价出了适应采出水组成性质特点的水处理剂,研制适用各区块的套管保护液,并在现场推广应用,有效缓解采出水系统的腐蚀结垢,确保采出水系统长期、安全、稳定运行和注水效果。
In this paper, according to the main problems existing in the produced water system in Suijing Oilfield, based on a large amount of analysis and monitoring of the water quality characteristics in the first, third and the sub-area of Daluogou, the corrosion and scaling of the produced water in the Suijing Oilfield are studied in detail. The reason and influential factors of the corrosion prevention and control were analyzed and the effective methods and measures for anti-corrosion and scale inhibition were determined. The water treatment chemicals that were adapted to the compositional characteristics of produced water were screened and evaluated. The casing protection solution suitable for each block was developed and popularized in the field. Erosion and scaling of the produced water system will be relieved to ensure the long-term, safe and stable operation of the produced water system and the water injection effect.