某平台生产水管线的腐蚀失效原因
Failure Reasons of a Produced Water Pipeline Corrosion on Platform
摘 要
通过调研某平台生产水管线的工况，结合失效管段的腐蚀形貌和失效特征，使用能谱分析(EDS)和X射线衍射技术对腐蚀产物的成分和组成进行分析。结果表明：旁通管线停用期间存在腐蚀性介质、介质中存在硫酸盐还原菌(SRB)、溶解氧和CO2的共同作用导致了平台生产水管线的失效，其中SRB腐蚀是管线失效的主要原因。
腐蚀形貌
腐蚀产物
失效原因
produced water pipeline
corrosion morphology
corrosion product
failure reason
Abstract
The failure causes of the platform production water pipeline were investiguated through researching the working condition of the platform in the production of water pipe, according to the corrosion morphology and failure characteristics of the failure section by EDS spectrum analysis and X-ray diffraction technology. The results showed that the main reason for the failure of the pipeline was SRB corrosion, and the existing corrosion meduim in the bypass pipeline, SRB in the medium, dissolued orygen and CO2 were also the causes for corrosion.
中图分类号 TG172.5 DOI 10.11973/fsyfh-201611019
所属栏目 失效分析
基金项目
收稿日期 2015/11/10
修改稿日期
网络出版日期
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备注王维锋(1983- )，工程师，学士，从事海洋石油生产、油气水处理和集输、管道防腐等研究，
引用该论文: WANG Wei-feng,YANG Hao-bo,LI Shu-jiao. Failure Reasons of a Produced Water Pipeline Corrosion on Platform[J]. Corrosion & Protection, 2016, 37(11): 939
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参考文献
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【2】BEECH I B. Corrosion of technical materials in the presence of biofilms-current understanding and state-of-the art methods of study[J]. International Biodeterioration and Biodegradation,2004,53(3):177-183.
【3】张学元,邸超,雷良才. 二氧化碳腐蚀与控制[M]. 北京:化学工业出版社,2000.
【4】陆原,刘鹤霞,赵景茂. 几种材料在模拟油田环境中的CO2腐蚀行为[J]. 腐蚀与防护,2007,28(7):345-348.
【5】KERMANI M B,MORSHED A. Carbon dioxide corrosion in oil and gas production a compendium[J]. Corrosion,2003,59(8):659-683.
【6】路民旭,白真权,赵新伟,等. 油气采集储运中的腐蚀现状及典型案例[J]. 腐蚀与防护,2002,23(3):105-113.
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