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Study on Sizes Optimization and Material Selection of Casing Material in Gas-Lift Well under Existence of CO2 Corrosion

Some oil wells have adverse working environments, material selection and sizes optimization of casing material for gas-lift well under existence of CO2 corrosion are very important. This paper presents the development background, sizes optimization of casing material for gas-lift well, effect of CO2 on material of casing, casing material selection. By testing, the study above has a strong practicality and can be suitable for the well condition of on-the-spot application.