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苏里格气田某区块集输管道腐蚀机理与防护措施

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苏里格气田天然气集输管道是连接气田开发区与油气集气站场的主要输送管道,承担着天然气能源对外输送的重要任务.通过对苏里格气田某区块地理环境因素、管道输送介质、腐蚀机理研究,发现空气、土壤和天然气都会对管道腐蚀造成影响.针对苏里格气田某区块的腐蚀特点,管道外防腐推荐采用3PE涂层与阴极保护相结合的防护措施,管道内防腐推荐采用环氧树脂涂层,以期实现对地面集输管道腐蚀的有效控制.
Corrosion mechanism and protective measures of gathering pipeline in a block of Sulige gas field
The natural gas gathering and transportation pipeline in Sulige gas field is the main transportation pipeline connecting the gas field development zone and the oil and gas gathering station,and undertakes the important task of transporting natural gas energy to the outside world.Based on the study of the geographical and environmental factors,pipeline transportation medium and corrosion mechanism in a block of Sulige gas field,it is found that air,soil and natural gas will affect the pipeline corrosion.According to the corrosion characteristics of a block of Sulige gas field,3PE coating combined with cathodic protection is recommended for external protection,while epoxy coating is recommended for internal protection to effectively control the corrosion of ground gathering and transportation pipelines.

Sulige gas fieldgathering pipelinecorrosion mechanismmeasures

杨雅民

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中国石油集团长城钻探工程有限公司,辽宁盘锦 124010

苏里格气田 集输管道 腐蚀机理 措施

2024

石油工程建设
中国石油集团海洋工程有限公 中国石油工程建设公司

石油工程建设

影响因子:0.367
ISSN:1001-2206
年,卷(期):2024.50(5)