【摘要】 该文重点介绍了声波钻机配套取心钻具的结构特征、技术参数、技术创新及应用实例。分析与试验结果表明,钻具的结构合理,功能齐备,岩心采取率高,能较好地解决松散地层的取心难题。更多还原

【Abstract】 The paper introduces the structure characteristics,technical parameters,technical innovation and the application example of the core drilling tool matched to sonic drill rig. The analysis and the experimental results show that this drilling tool has the characteristics of rational structure and complete functions,and it has high coring rate. It can solve the coring problem in loose stratum effectively.更多还原