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王一联注水站1985年投产,1989年4月发现注水设施结垢严重,注水管线一般垢厚10～15mm,最厚处35mm,最大结垢速率8.7mm/a;3S_3注水泵阀体上结垢3～5mm。造成注水管线压力损失过大,注水泵打不起压力,严重影响了生产。为解决这一问题,1989年4月对注水管网进行了酸洗除垢,在一定程度上使管网压力暂时得到缓解,但未能使整个注水系统从根本上解决结垢问题。1989年5月,对注水系统采取了化学防垢措施,一年来,从注水泵维修情况和解剖管线
Wang Yilian injection station put into operation in 1985, April 1989 found serious waterflooding facilities scaling, water injection line general scale thickness 10 ~ 15mm, the thickest at 35mm, the maximum scaling rate 8.7mm / a; 3S_3 injection valve body knot Scale 3 ~ 5mm. Caused by water injection pipeline pressure loss is too large, water pump can not afford to pressure, seriously affecting the production. In order to solve this problem, pickling and descaling of the water injection pipe network in April 1989 temporarily relieved the pressure on the pipe network, but failed to solve the problem of scaling in the entire water injection system. May 1989, the water system has taken chemical anti-scaling measures, a year, from the water pump repair and anatomical lines