碳酸盐垢
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SCB提取液清洗碳酸盐垢的研究与实践
Research and practice on cleaning the carbonate stain by SCB extractive fluid
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结果表明,吴旗油田现场垢样的主要成分为碳酸盐垢;
The experimental results indicate that scal - ing components are mainly carbonate scale .
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本文介绍了钢制换热器碳酸盐垢的特点、清洗工艺及操作控制条件。
This paper introduces the characteristics , process and operation conditions of cleaning carbonate scale deposited on the steel heat exchanger .
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研究了碳酸盐垢成垢过程中成垢阴、阳离子浓度的变化规律,并在此基础上提出了利用酸碱滴定来评价阻垢剂性能的方法。
The acid-alkali titration method of determination of degree of substitution ( DS ) for starch acetates has been improved by using acetone as solvent instead of ethanol .
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采用静态模拟和岩芯动态驱替实验等方法,通过考察温度、压力以及水的配伍性等因素对结垢过程和结垢程度的影响,研究纯化低渗透地层碳酸盐垢的成因机理。
The forming mechanism of carbonate scale was studied in Chunhua low permeability oil region with static simulation tests and dynamic displacement tests , and the main factors of scaling process such as temperature , pressure and water compatibility etc were confirmed .
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油田富碳酸盐管垢的清洗
Cleaning of the pipe scale rich in carbonate in oil field
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应用饱和指数法可预测碳酸盐结垢的趋势及腐蚀的大致趋势,用热力学模型可以预测硫酸盐结垢的大致趋势。
The fouling and corrosion tendencies of carbonates can be predicted by saturation index technique and fouling tendency of sulfates by thermal dynamic model .
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讨论了碳酸盐、硫酸盐垢的生成条件:温度、压力及pH值。图1表4参3。
The conditions for carbonate and sulfate scale formation such as temperature , pressure and pH value are discussed .