油田注水系统管路腐蚀分析及主控因素  

Corrosion Prevention Technology of Oilf ield Water Injection System

作　　者：李冬[1] 马波 刘婷婷 马红 王童 LI Dong;MA Bo;LIU Tingting;MA Hong;WANG Tong(Onshore Oilfield Operating Area of PetroChina Jidong Oilf ield Company,Tangshan 063200,China;Zhida(Dongsheng)Company of PetroChina Jidong Oilf ield Company,Tangshan 063200,China;Supervision Center of PetroChina Jidong Oilf ield,Tangshan 063200,China)

机构地区：[1]中国石油冀东油田公司陆上油田作业区,河北唐山063200 [2]中国石油冀东油田公司志达(东升)公司,河北唐山063200 [3]中国石油冀东油田监督中心,河北唐山063200

出　　处：《化工管理》2025年第7期130-133,共4页Chemical Management

摘　　要：文章针对油田注水系统管路腐蚀问题,从腐蚀原因及机理、现有防腐蚀技术、腐蚀分析方法与评估、防腐措施的优化与实施策略等方面进行了系统研究。首先,分析了土壤因素、腐蚀介质和油气因素对管路腐蚀的影响,指出水分、化学成分、酸碱度等是主要腐蚀诱因;其次,综述了防腐蚀涂层技术(包括有机涂层和无机涂层)、电化学防腐蚀技术(阳极保护和阴极保护)以及材料选择与设计等现有防腐措施,并探讨了其优缺点和适用范围;再次,介绍了实验室测试、材料腐蚀性评估和现场监测等腐蚀分析方法,通过具体数据展示了腐蚀速率的变化趋势及其与环境因素的关系;最后,提出了防腐措施的优化策略,包括涂层技术的选材与施工优化、电化学防腐蚀技术的电流密度与电位分布调整、缓蚀剂的添加及系统水质与流速的合理控制。研究表明,综合应用多种防腐技术并进行持续优化,可以显著提高油田注水系统管路的防腐蚀性能,延长使用寿命,降低维护成本,确保系统安全稳定运行。This paper systematically investigates the corrosion issues in the water injection pipelines of oilfields from aspects such as the causes and mechanisms of corrosion,existing anti-corrosion technologies,methods for corrosion analysis and evaluation,and strategies for optimizing and implementing anti-corrosion measures.Firstly,it analyzes the impact of soil factors,corrosive media,and oil-gas factors on pipeline corrosion,identifying moisture,chemical components,and pH levels as the main causes of corrosion.Next,it reviews existing anti-corrosion technologies,including anti-corrosion coating techniques(organic and inorganic coatings),electrochemical anti-corrosion methods(anodic and cathodic protection),and material selection and design,discussing their advantages,disadvantages,and applicable ranges.Subsequently,it introduces methods for corrosion analysis,such as laboratory testing,material corrosion assessment,and on-site monitoring,presenting specific data to illustrate the trends in corrosion rates and their relationship with environmental factors.Finally,it proposes optimization strategies for anti-corrosion measures,including material selection and construction optimization for coating technology,adjustment of current density and potential distribution in electrochemical anti-corrosion technology,addition of corrosion inhibitors,and reasonable control of system water quality and flow rate.The study shows that the comprehensive application and continuous optimization of various anti-corrosion technologies can significantly enhance the anti-corrosion performance of water injection pipelines in oilfields,extend their service life,reduce maintenance costs,and ensure the safe and stable operation of the system.

关 键 词：油田回注水系统 管道防腐蚀 技术研究 

分 类 号：TE98[石油与天然气工程—石油机械设备]