添加Cr和Si对火驱N80碳钢注气井氧化行为的影响

范春华, 吴钱林, 薛山, 葛佳璐

Effect of Cr- and Si-addition on Oxidation Behavior of N80 Carbon Steel for Gas Injection Wells in Fire-flooding Oil Field

FAN Chunhua, WU Qianlin, XUE Shan, GE Jialu

表1 4种实验钢的化学成分

Table 1 Chemical compositions of four Cr-Si added N80 steels (mass fraction / %)

Steel C Si Mn P S Cr Fe 3Cr 0.18 0.17 0.47 0.02 0.008 3.13 Bal. 5Cr 0.15 0.14 0.46 0.02 0.008 4.89 Bal. 9Cr 0.12 0.16 0.41 0.02 0.008 8.75 Bal. 5Cr-Si 0.15 0.54 0.45 0.02 0.008 4.92 Bal.