The cleaning of the pipe scale rich in carbonate in Pingbei Oil Field, was investigated withhydrochloric acid, acetic acid and the mixed acid of both the above.

• 研究了利用盐酸、醋酸及它们的混酸对富碳酸盐油田设备管垢进行清洗,讨论了酸的浓度、温度及添加剂对其溶垢能力的影响。