While simulating the CO_2 corrosion environment in oilfield, the XRD, EDS, XPS and SEM techniques were adopted to study the characteristics of CO_2 corrosion scales on N80 steel containing Cr.

• 在模拟油田CO_2腐蚀环境下,利用XRD、EDS、XPS和SEM研究了含Cr的N80钢腐蚀产物膜的结构。