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。

关键词:地热井;卡钻事故;坍塌;事故处理

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.

Key words:geothermal well; sticking accident; collapse; accident treatment