摘要
某油田一口生产井中心管严重腐蚀穿孔,为查找腐蚀原因,通过宏观分析、材质分析、水质分析、腐蚀产物分析、腐蚀模拟实验等对中心管腐蚀失效进行分析。分析结果表明,失效管段位置出砂严重,泥砂几乎堆满整根油管,泥砂的冲刷协同CO_(2)腐蚀,导致管壁不断地减薄,最终管孔失效。
There is severe corrosion and perforation of the central tube in a production well in a certain oilfield,In order to identify the cause of corrosion,the corrosion failure of the central pipe was analyzed through macroscopic analysis,material analysis,water quality analysis,corrosion product analysis,corrosion simulation tests,and other methods.The analysis results show that the position of the failed pipe section is severely sanded,and the mud and sand almost fill the entire oil pipe.The erosion of the mud and sand synergizes with CO_(2) corrosion,leading to continuous thinning of the pipe wall and ultimately the failure of the pipe hole.
作者
王一非
杨阳
柴圆圆
WANG Yi-fei;YANG Yang;CHAI Yuan-yuan(CNOOC EnerTech-Drilling&Production Co.Tianjin 300452,China;CNOOC(Tianjin)Pipeline Engineering Technology Co.,Ltd.Tianjin 300452,China;CNOOC Laibo(Tianjin)Technology Co.,Ltd.Tianjin 300450,China)
出处
《全面腐蚀控制》
2024年第5期159-162,共4页
Total Corrosion Control
作者简介
王一非(1985-),男,山西偏关人,工程师,本科,主要研究方向为井下管柱腐蚀防护专业技术。
