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Static Corrosion of Oil Thimble Used in Tarim Oil Field |
Jianping Li |
东北大学材料治金学院 |
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Abstract It was studied that the effect of temperature, partial pressure of CO2, pH value of solution and concentration of Cl- on corroison behavior of 4 types of steels, which include N80, P105, P110 and SM110 thimble using in oilfield. At 90℃ , the corrosion rate of all metals reached maximum value. At 65℃ , except P105, the corrosion rate of other materials increased with pressure of CO2 increasing, however, it reached maximum value at 2.5MPa pressure of CO2 when the temperature was 90℃ . The influence of pH value of solution and Cl- concentration of Tarim oil field on corrosion rate of metals investigated were lightly.
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Received: 22 October 2003
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Corresponding Authors:
Jianping Li
E-mail: Lijianp@yahoo.com.cn
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