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硫酸钙是油田注水开发生产中常见几种垢型之一。研究了硫酸钙防垢剂ＪＳＩ的浓度效应，并探讨了温度、ＮａＣｌ含量对防垢效果的影响。
Calcium sulfate is one of the most common types of scale in development and production of oilfield waterflooding. The concentration effect of calcium sulfate scale inhibitor JSI was studied, and the effect of temperature and NaCl content on the anti-scaling effect was also discussed.