Corrosion Behavior of 3Cr Steel in Simulated Oilfield CO2 Environment
Materials Science Forum(2022)
摘要
The corrosion behavior of 3Cr steel in simulated oilfield CO 2 and formation water environment at different temperature and partial pressure of CO 2 were investigated using dynamic immersion tests, scanning electron microscopy inspection and X-ray diffraction analysis. The result demonstrated that with an increasing of temperature, the corrosion rate of 3Cr steel decreased, and reached the maximum corrosion rate when the partial pressure of CO 2 was 0.5MPa. The high content of Ca 2+ in the formation water had also played an important role in the corrosion behavior of the 3Cr steel for it can lead to a deposition of the CaCO 3 on the surface of the specimen.
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关键词
corrosion behavior,steel
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