Materials Selection for Various ServiceConditions不同环境下材料的选择 Non-corrosive/Mildly sour service无腐蚀，微酸性环境 CO2 Corrosion/Intermediate Service(Wt.LossCorrosion)二氧化碳腐蚀，质量损失腐蚀 Highly corrosive service(high CO2/high H2S/high T)严重腐蚀环境（高温，高含硫，高含二氧化碳）Water injection service注水环境Completion Equipment Materials as aFunction of Customers Tubing与油管相对应的工具材质Completion Equipment Material完井工具材质4130/4140 4130 Modified(90 ksi),T-95,925 forpolished bores410/13Cr,420 Mod.Super 13Cr25Cr or 718925,718725Tubing Material油管材
