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    XU Shi-qi. Effect of Temperature on Electrochemical Corrosion of Internal Injection Pipe in an Oil Field[J]. Corrosion & Protection, 2015, 36(3): 226-229.
    Citation: XU Shi-qi. Effect of Temperature on Electrochemical Corrosion of Internal Injection Pipe in an Oil Field[J]. Corrosion & Protection, 2015, 36(3): 226-229.

    Effect of Temperature on Electrochemical Corrosion of Internal Injection Pipe in an Oil Field

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    • Received Date: July 14, 2014
    • The corrosion simulation test of 20 steel pipelines with injection water of an oilfield was carried out at different temperatures adopting the methods of electrochemical test,X-ray diffraction and X-ray energy dispersive spectrometer.The results showed that with the increase of temperature of injection water,the corrosion rate of 20 steel increased firstly and then decreased,the corrosion process tended to be controlled by oxygen diffusion.The composition of the corrosion products on the surface of 20 steel were mainly FeCO3 and Fe2O3.The corrosion products contained a large number of scale and the main component of the scale was CaCO3.There was corrosion under the scale of water injection pipeline.The simulation experiment showed that the maximum corrosion rate of Yanchang oil field water injection pipe was at 55 ℃.
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