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

图4 5Cr，5Cr-Si和9Cr钢氧化240 h后氧化膜截面成分面扫描

Fig.4 Cross-sectional mapping images of the oxide scales formed on 5Cr (a), 5Cr-Si (b) and 9Cr (c) added N80 steels after 240 h oxidation