南海某高温油田防垢剂的研究及应用

Study and Application of Scale inhibitor in high-temperature south Sea oilfield

为保障油田生产,选取了多种不同类型的防垢剂,并根据其特性进行了复配,制备了多种高效的复合防垢剂,其中防垢剂SG-14展现出良好的防垢效果,室内静态评价表明,当防垢剂SG-14加注浓度为20mg·L^(-1)时,防垢率可达99%。现场应用结果表明,当防垢剂SG-14加注为20mg·L^(-1)时,结垢挂片无明显结垢现象,展现出良好的防垢性能。目前该防垢剂已在南海某油田工业化应用,效果稳定。

To ensure oilfield production,a variety of different types of scale prevention agents were selected and combined according to their characteristics to prepare a variety of efficient complex scale prevention agents,among which the scale prevention agent SG-14 showed good scale prevention effect.The indoor static evaluation showed that when the filling concentration of scale prevention agent SG-14 was 20mg·L^(-1),the scale prevention rate could reach 99%.The field application results show that when the scale inhibitor SG-14 is added at 20mg·L^(-1),there is no obvious scaling phenomenon,showing good anti-scaling performance.At present,the scale inhibitor has been applied to an oilfield in the South China Sea with stable effect.