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[1]党学博.海底管道腐蚀与剩余寿命的灰色预测[J].油气储运,2011,30(07):486-489,493.[doi:10.6047/j.issn.1000-8241.2011.07.002]
　Dang Xuebo.Prediction of corrosion and residual life of submarine pipeline with grey theory[J].Oil & Gas Storage and Transportation,2011,30(07):486-489,493.[doi:10.6047/j.issn.1000-8241.2011.07.002]
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海底管道腐蚀与剩余寿命的灰色预测

《油气储运》[ISSN:1000-8241/CN:13-1093/TE] 卷: 30 期数: 2011年07期 页码: 486-489,493 栏目: 出版日期: 2011-07-25
Title:
Prediction of corrosion and residual life of submarine pipeline with grey theory
文章编号:
1000-8241(2011)07-0486-04
作者:
党学博
中国石化石油勘探开发研究院，北京 100083
Author(s):
Dang Xuebo
Dang Xuebo： Petroleum Exploration and Production Research Institute of Sinopec，Beijing，100083.
关键词:
海底管道; 灰色理论; 均匀腐蚀; 局部腐蚀; 剩余寿命; 预测
Keywords:
Key words：submarine pipeline; grey theory; uniform corrosion; local corrosion; residual life
分类号:
TE832
DOI:
10.6047/j.issn.1000-8241.2011.07.002
文献标志码:
A
摘要:
腐蚀是引起海底管道破坏失效的重要原因之一，对海底管道腐蚀量进行测量和预测，是保证管道安全的重要组成部分。根据ASME B31G，推导了均匀腐蚀和局部腐蚀同时发生时海底管道的极限内压计算公式。将局部腐蚀简化为沿轴向分布的矩形缺陷，利用灰色模型分别预测管道内的均匀腐蚀和局部腐蚀，并根据预测结果计算出管道的极限内压和剩余寿命。鉴于局部腐蚀对管道强度的作用机理比较复杂，只分析了沿轴向分布的两个局部腐蚀对极限内压的影响，对于腐蚀宽度、环向分布以及多个腐蚀坑相互影响等更复杂的情况尚需开展深入研究。

Abstract:
Corrosion is one of the main factors causing failure of submarine pipelines. It is important to measure and predict the corrosion for submarine pipeline’s safety. A formula of ultimate pressure of submarine pipeline in the case of both uniform and local corrosions is derived according to ASME B31G. In the formula，the local corrosion is simplified as rectangular flaws with uniform distribution along the longitudinal direction. Grey theory is utilized to predict the development of uniform and local corrosions respectively. Based on result of prediction，the ultimate pressure and residual life of the pipeline are calculated. Due to the complexity of the mechanism of local corrosion affecting the pipeline strength，only the influences of local corrosion along the longitudinal direction on the ultimate pressure of pipeline are considered. How other complex factors such as the width of corrosion，corrosion along the vertical direction and interaction of pits，etc. affecting the ultimate pressure of pipeline are needed to be studied further.

参考文献/References:

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备注/Memo

作者简介：党学博，工程师，1982年生，2010年博士毕业于浙江大学土木工程专业，现主要从事油气田开发和评价技术研究。
电话：010-82317448；Email：dangxb@pepris.com??? （收稿日期：2010-12-06）

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