TP110TS和P110钢在CO2注入井环空环境中应力腐蚀行为比较

李清, 张德平, 李晓荣, 王薇, 孙宝壮, 艾池

Comparison of Stress Corrosion Behavior of TP110TS and P110 Steel in a Simulated Annular Environment of CO2 Injection Well

LI Qing, ZHANG Deping, LI Xiaorong, WANG Wei, SUN Baozhuang, AI Chi

表1 TP110TS和P110油管钢的化学组成

Table 1 Chemical compositions of TP110TS and P110 tubing steels (mass fraction / %)

Steel C Si Mn S P Cr Fe TP110TS 0.33 0.21 0.64 0.0034 0.0093 3.03 Bal. P110 0.25 0.23 2.64 0.003 0.0095 0.033 Bal.