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- The drilling tool should be measured precisely. 请准确丈量钻具。
- Get all the drilling tools unlashed. 解开所有钻具。
- A drilling tool. 钻子一种钻凿用工具
- The working principle of the controllable eccentralizer rotary steerable drilling tool is presented. 摘要介绍了所研制的可控偏心器旋转导向钻井工具的工作原理。
- The extracting method of on-line wear character signal of drilling tool is studied. 研究了钻削过程中刀具在线磨损状态特征信号+的提取方法。
- After modification of the drilling tool, the thrust borings were successfully done at both locations. 针对已挖掘出的洞已经启动了意外应对计划。
- With reference to the experiment results,the DTH hammer concentric simultaneous casing drilling tool is considered to have extensive applicati... 结合实验结果,认为潜孔锤同心跟管钻具在卵砾石地层中具有广阔的应用前景。
- CASTON has experts from Xuanhua machinery plant with superiority on down-the-hole drilling tool and anchorage drill pipe. 凯司通公司拥有多名原宣化采掘机械厂的专家和工程技术人员，在潜孔、锚固钻杆生产方面具有无可替代的优势。
- These two days we have been laying down drill tools. 这两天我们都在甩钻具。
- By the action of high roatry speed,excentric shaft connection intensifies the fatigue failure of drill tool. 为了达到较好的防斜目的,必须增大钻进时钻头的转速,在高转速的作用下,偏轴接头加剧了钻具先期疲劳失效。
- They believed that the hydrogenation drilling tool some diamond transitional structure sequence is helpful to the life form appearance. 他们认为，氢化钻具有的钻石过渡性结构序列有助于生命形式的出现。
- The operation performance of PDC bits with screw drill tool appplied now in oilfield were analyzed comprehensively. 综合分析了目前使用的PDC钻头和螺杆钻具工作特性。
- It works well for soft soil, but a pencil point is not a very good drilling tool, and the pencil itself could break if more pressure were applied to it. 对于松软的土壤,它的工作效果很好,但铅笔尖不是非常好的钻孔工具,施加的压力稍大,铅笔就可能会断裂。
- Research on vibration problems which is the main reason causing bottom drilling tool failure, can reduce drilling tool damage and emergence of underground accidents. 摘要振动问题一直是引起底部钻具失效的主要原因，对其进行研究能减小钻具损害和各类井下事故的发生。
- Power drill tool and PDC bit are used to ensure wellbore quality and penetration rate; polysulfonate potassium drilling fluid system is used to ensure downhole safety. 应用动力钻具配合高效PDC钻头钻井技术,保证了井身质量和钻井速度;应用聚磺钾盐钻井液体系及相关安全技术措施,保证了井下安全。
- This paper analyses the influence of excentric shaft connection on force case of drill tool,and discusses the causes of drill tool failure. 文中分析了使用偏轴接头对钻具各部分受力情况的影响及导致钻具失效的原因。
- Two methods for determining the critical length of the drill tool section below the hydrodynamic propulsor are presented. 给出了确定井下液力推进器以下钻具临界长度的两种方法。
- The conglomerates had a compacting trend and formed a cylinder leading to freeze in the drilling tool when trying to back off by the drilling tool movement. 当试图通过活动解卡时,堆积物越挤越死,形成一个圆柱,卡死钻具。
- Study on the structure and control principles of the platform stabilizing control mechanism of the modulating rotary steerable drilling tool was conducted. 深入研究了调制式旋转导向钻井工具中的稳定平台控制机构的结构原理和控制原理。
- Contingency planning began for open-cut excavation.After modification of the drilling tool, the thrust borings were successfully done at both locations.Root Cause/Benefit 1. 一位钻孔专家采用了各种方法开始第一次钻孔，但他尝试了好几个星期还是没有成功。
