SR-28地热井坍塌卡钻事故的处理

Treatment of Drill Pipe Sticking in SR-28 Geothermal Well Collapsing Accident

摘要:

就SR-28地热井出现的由坍塌引起的卡钻事故原因进行了分析，针对事故原因分别采用了套铣、测卡、爆炸松扣等技术手段进行了处理，并取得了成功。介绍了该井事故的处理技术措施。

Abstract:

In this paper, analysis was made on the causes of drill pipe sticking accident of SR-28 geothermal well by collapsing. According to the different causes, casing mill, measuring sticking point and breaking pack of dynamite and other technical means were adopted, the accident was successfully treated.