J55钢在模拟CO2 注入井环空环境中的关键性腐蚀因素
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崔怀云, 刘智勇, 卢琳
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Critical Corrosion Factors for J55 Tubing Steel in a Simulated Annulus Environment of CO2 Injection Well
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CUI Huaiyun, LIU Zhiyong, LU Lin
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表8 相关性计算的原始数据表
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Table 8 Original data for calculating correlation
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| Number | Ptotal / MPa | / MPa | pH | T / oC | Rct / Ω·cm2 | Icorr / μA·cm-2 |
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| PP1 | 9 | 4 | 4 | 25 | 56.67 | 428.00 | | PP2 | 9 | 3 | 4 | 25 | 95.87 | 201.00 | | PP3 | 9 | 2 | 4 | 25 | 115.1 | 116.00 | | PP4 | 9 | 1 | 4 | 25 | 197.8 | 88.00 | | PP5 | 9 | 0.1 | 4 | 25 | 268.7 | 32.00 | | pH1 | 9 | 4 | 4 | 25 | 56.67 | 428.00 | | pH2 | 9 | 4 | 5 | 25 | 62.8 | 386.00 | | pH3 | 9 | 4 | 6 | 25 | 81.5 | 312.00 | | T1 | 9 | 4 | 4 | 5 | 242.8 | 95.10 | | T2 | 9 | 4 | 4 | 15 | 116.8 | 189.80 | | T3 | 9 | 4 | 4 | 25 | 56.67 | 428.00 | | T4 | 9 | 4 | 4 | 40 | 26.84 | 1101.30 | | T5 | 9 | 4 | 4 | 50 | 18.3 | 1422.90 | | PT1 | 15 | 4 | 4 | 25 | 75.18 | 236.21 | | PT2 | 12 | 4 | 4 | 25 | 70.08 | 313.92 | | PT3 | 9 | 4 | 4 | 25 | 56.67 | 428.00 | | PT4 | 6 | 4 | 4 | 25 | 59.40 | 418.17 | | PT5 | 4 | 4 | 4 | 25 | 67.92 | 395.23 |
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