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

表1 实验用J55级油管钢的化学成分

Table 1 Chemical composition of J55 steel (mass fraction, %)

C Si Mn P S Cr Ni Nb V Fe 0.395 0.283 1.32 0.0419 0.0293 0.106 0.0418 0.0158 0.0053 Bal.