Scale formation in the gathering system of Weigang oilfield is serious and severely influences the normal production and economic benefits.
魏岗油田油气集输系统结垢严重，影响了生产的正常进行和经济效益的提高。
2
Weigang — Jingmen oil pipeline, with pour depressant added and transportation at lower temperature, arose wax deposit, which reduced the equivalent diameter.
魏荆输油管道由于采用了加剂低温输送，致使管道管壁结蜡严重，当量管径交小。
3
The pass percent of the water quality after sewage treatment in Weigang Combination Station in 2003is only70%, which forms the severe threat on the stratum layer' s safety.