| 由阴极保护测量参数评价管道覆盖层质量 |
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| 引用本文： | 张勇,翁永基.由阴极保护测量参数评价管道覆盖层质量[J].油气储运,1999,18(2):53-56. |
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| 作者姓名： | 张勇 翁永基 |
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| 作者单位： | [1]中国石油天然气石油规划设计总院 [2]石油大学 |
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| 摘 要： | 讨论了管道阴极保护电位分布模型及可靠性问题，提出了一种由阴极保护现场测量数据来评介管道覆盖层质量的方法，提出了覆盖层空隙系数概念并用来代替表现电阻，用前者指标可以更直接反映覆盖层自身状况的变化。
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| 关 键 词： | 阴极保护 测量参数 管道 涂层 质量 油气管 |
Evaluation of Pipeline Coating Quality by In-Site Measured Characteristics of Cathodic Protection |
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| Zhang Yong,Weng Yongji et al.Evaluation of Pipeline Coating Quality by In-Site Measured Characteristics of Cathodic Protection[J].Oil & Gas Storage and Transportation,1999,18(2):53-56. |
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| Authors: | Zhang Yong Weng Yongji |
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| Abstract: | The protection electrical potential distribution model of pipeline in cathodic protection and its reliability were discussed in this paper. Pipeline coating quality was evaliuated by in-site measured characteristics of cathodic protection. A new conception of coating interspace interspace coefficient was put forward which could express change of coating quality more clearly than "apparent electrical resistance". The method was applied to evaluate coating quality of pipeline from Haisan to Zhuangxilian station in Shengli oilfield which was verified to be correct and applied. It is important for external anti-corrosion of pipeline that coating e-valuation technology brought forward in the paper is combined with daily run of cathodic protection to apply. |
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| Keywords: | cathodic protection measurement parameter pipeline coating evaluation quality |
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