碳酸盐垢

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

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 .

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 .

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 .

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 .

油田富碳酸盐管垢的清洗

Cleaning of the pipe scale rich in carbonate in oil field

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 .

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 .