强碱三元复合驱集输系统淤积结垢特点及对策

The Characteristic of Siltation and Scaling in the Gathering and Transferring System of Ternary Flooding and Its Solutions

针对强碱三元复合驱集输系统出现的淤积结垢问题及对生产的影响,从各节点入手,跟踪分析了淤积结垢状况,系统中淤积物的主要成分为原油、聚丙烯酰胺降解物、碳酸盐垢和硅垢。对现场应用的各项清防垢措施进行总结,并在此基础上提出解决三元复合驱淤积结垢的措施及建议。单井管道应采用管道冲洗方法,站间掺水管道宜采用空穴射流方法,站内掺水热洗系统应采用高压射流方法,实践证明,这些方法是目前治理淤积结垢最为有效的办法。

To solve the problem of siltation and scaling of the ternary flooding transportation system, we stnrt from the individual pitch point to track the siltation end scaling conditions. The deposits are crude oil, polyacrylamide degradation products, carbonate scale and silicon scale. We have summarized the measures taken to clean the siltation and scaling on site, based on which we have proposed measures to solve this problem in ternary flooding transportation. Single well pipeline should adopt pipe flushing, station between watering pipes should be used with hole cavitation .jetting method, the station watered heat washing system should adopt the high-pressure jetting method, and those methods are proved to be the most etTectively on controlling the siltation and scaling currently