The experiment carried out in situ demonstrates that an anticorrosive drilling fluid built by the HV-CMC with an inhibitor DFP has an anti-corrosion ratio of 80%.

• 它与新研制的缓蚀剂DFP复配而成的江汉油田复合盐防腐钻井液经现场实验证明,其平均缓蚀率达80%25以上。