定向井处理粘吸卡钻事故的技术方法

Treatment Technology for Drilling Pipe Sticking Accident in Directional Well

摘要:

HDR29D地热井施工中发生了粘吸卡钻事故，给钻井施工带来了困难。经过分析卡钻原因、研究解卡方案，配制了解卡剂，解决了棘手的粘卡问题。根据该井的实际情况，对定向井粘吸卡钻事故原因、处理方法进行分析总结。

关键词:地热井;定向井;粘吸卡钻;解卡剂

Abstract:

Drilling pipe sticking accident occurred in HDR29D geothermal well, which was overcome by the accident cause analysis, stuck-releasing scheme study and stuck-pipe freeing agent compounding. The paper summed up the causes of drilling pipe sticking in directional well and the treatment method.

Key words:geothermal well; directional well; drilling pipe sticking; stuck-pipe freeing agent