【摘要】 通过对一例旋挖钻机大口径无循环钻进过程中发生埋钻事故的处理,分析了事故发生的原因及普遍性,探讨了泥浆在无循环钻进工艺中的重要性,列举了一些预防埋钻事故的措施和事故处理的成功办法。更多还原

【Abstract】 It was concretely introduced an accident of drill bit being buried during the process of large diameter driling without circulation of slurry by hydraulic piling rig.It was analyzed the cause of the accident and the universalities,the importance of the slurry to the techniques was also explored.Some preventive measures and successful methods for treating the accident of drill bit being buried were finally enumerated.更多还原