深水钻井立管清洗

Cleaning of deepwater drilling riser

主要介绍了深水钻井隔水管清洗的原理和标准要求、清洗所用设备、清洗操作过程及安全注意事项。通过高压水冲洗前、后的对比可以得出,对于锈蚀严重的管道内壁,高压水冲洗之后还需进行表面除锈。

Cleaning principle and standards of deepwater drilling riser are introduced. Equipment, operation and safety items of cleaning for drilling riser are recommended. Comparing the pictures of cleaning before and after, it can be concluded that the riser heavily rusted in inner surface can＇t be cleaned up only jetted by high-pressure water, it is necessary to remove rust after jetted