Three-Seven Oilfield located in South Sudan utilizes foam yellow jacket structure for anticorrosion and thermal insulation of buried pipelines,and it is the first time to use such structure in Sudan.

• 苏丹南部的三七油田,埋地输油管道的防腐保温采用泡沫黄夹克防腐保温结构,这是该防腐保温结构第一次在苏丹应用。