某注氮气井修井溢流事故案例分析  

Case Analysis of Workover Overflow Accident in a Nitrogen Injection Well

作　　者：田磊[1] 付小坤 Tian Lei;Fu Xiaokun(SINOPEC Northwest Oilfield Company,Xinjiang,Urumqi,830000)

机构地区：[1]中国石化西北油田分公司,新疆乌鲁木齐830000

出　　处：《安全、健康和环境》2024年第9期1-3,共3页Safety Health & Environment

基　　金：国家科技重大专项(2016ZX05053),塔里木盆地碳酸盐岩油气田提高采收率关键技术示范工程。

摘　　要：注氮气三次采油已作为油气田增产的重要开发方式,随着注气规模的增加,气窜问题严重,因此在修井作业过程中应重点加强对安全风险的控制。通过对某注氮气井修井过程中发生的溢流事故案例深入分析,明确了修井作业过程中溢流发生原因并提出了相应预防措施,应用后取得了实效,应用结果可为同类作业的风险防控提供借鉴和参考。Nitrogen injection tertiary oil recovery has become an important development method for oil and gas field production.With the increase of gas injection scale,the problem of gas channeling is serious,which makes it very important to control the safety risk during workover operation.Through the in-depth analysis of the overflow accident case in the workover process of a nitrogen injection well,the causes of overflow in the workover process were clarified and the corresponding preventive measures were put forward.Effective results were obtained after application,and the application results can provide reference for the risk prevention and control of similar operations.

关 键 词：注氮气井 修井 溢流 井控 预防措施 事故 

分 类 号：TE934[石油与天然气工程—石油机械设备]