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针对酸液对油水井井下管柱的影响，探索了酸液及缓蚀剂在整个酸化过程中的变化，测试了残酸的腐蚀性，研究了腐蚀机理，提出了减缓残酸腐蚀性的防治措施。
In view of the influence of acid on the downhole string of oil and gas wells, the change of acid and corrosion inhibitor in the entire acidizing process was explored, the corrosion of residual acid was tested, the corrosion mechanism was studied, and the prevention and control of residual acid corrosion Measures.