套损井腐蚀机理分析及防治技术研究  

Analysis of corrosion mechanism and research on prevention and control technology for casing damage wells

作　　者：郭奎[1] Guo Kui(Yanchang Oilfield Co.,Ltd.Jingbian Oil Production Plant,Yulin 718500)

机构地区：[1]延长油田股份有限公司靖边采油厂,陕西榆林718500

出　　处：《石化技术》2024年第10期116-118,共3页Petrochemical Industry Technology

摘　　要：油田套损井是由于套管腐蚀、机械损伤等原因导致的套管失效现象。通过深入分析油田套损井的腐蚀机理及其对油田生产的影响,探讨了相应的防治技术。研究发现,套管腐蚀主要包括均匀腐蚀、局部腐蚀和应力腐蚀,其形成机制复杂,受环境因素、材料因素和操作因素的多重影响。通过电化学检测和无损检测技术,可以有效评估腐蚀程度,制定针对性的防腐措施。同时,还介绍了材料选择、阴极保护技术和缓蚀剂应用等防治技术,并通过实际案例验证了其有效性。研究表明,科学合理的腐蚀防治技术能显著延长套管的使用寿命,确保油田的安全稳定生产。Oilfield casing damage is caused by corrosion,mechanical damage,etc.This paper analyzes the corrosion mechanism and its impact on oil production,exploring prevention and control techniques.Findings show casing corrosion includes uniform,localized,and stress corrosion,influenced by environmental,material,and operational factors.Electrochemical and non-destructive testing can assess corrosion and formulate anti-corrosion measures.The paper introduces material selection,cathodic protection,and inhibitor application,verified by case studies.Research indicates scientific corrosion control significantly extends casing life,ensuring safe and stable oilfield production.

关 键 词：油田套损井 腐蚀机理 防治技术 

分 类 号：TE980[石油与天然气工程—石油机械设备]