浅谈三牙轮钻头井下判断与处理

Discussion on Downhole Judgment and Treatment of Three-cone Drill Bit

牙轮钻头在使用过程中主要是根据使用时间来分析判断钻头在井下工作情况,钻进时稍有疏忽会发生掉大量有镶齿、牙轮尖端和牙轮整体的事故。浅谈三牙轮钻头先期损坏的原因、三牙轮钻头工作异常的起因及三牙轮钻头井下工况判断,防止牙轮钻头事故的发生。

In the course of the use of the cone bit, the drill bit is used to analyze the working condition of the drill bit in the course of the use.The slightest deviation from the drill bit will occur.There will be a lot of accidents including the teeth, the tip of the cone and the whole of the cone.This paper discusses the causes of the early damage of the three cone bit, the cause of the abnormal work of the three cone bit and the judgment of the working condition of the three cone bit to prevent the occurrence of the cone bit.