岩心钻探烧钻事故分析及实践

Analysis and Practice of Bit-burnt Accident in Core Drilling

烧钻事故在岩心钻探施工过程中是最频发的事故之一,分析总结烧钻事故发生的原因和发生的必要条件,烧钻事故发生前出现的异常征兆,烧钻事故的预防措施、处理原则和方法;总结了几起烧钻事故的处理经验及教训,提出了如何做好预防和处理烧钻事故的措施建议。

Bit-burnt is one of the most frequent accidents during core drilling,this paper analyzes and summarizes the causes and necessary conditions of the accident,discusses the abnormal signs before the accidents happening,the prevention measures and treatment principles.Based on the treatment experiences and lessons in bit-burnt accidents,some suggestions are put forward.