J55钢在模拟CO2 注入井环空环境中的关键性腐蚀因素
崔怀云, 刘智勇, 卢琳

Critical Corrosion Factors for J55 Tubing Steel in a Simulated Annulus Environment of CO2 Injection Well
CUI Huaiyun, LIU Zhiyong, LU Lin
图5 J55钢在不同总压下的Nyquist和Bode图,Nyquist图中的插图为对应的等效电路
Fig.5 Nyquist plots (a) and Bode plots (b) of J55 steel with different total pressure (PCO2= 4 MPa, pH = 4, T = 25oC)