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- The drilling tool should be measured precisely. 請準確丈量鑽具。
- Get all the drilling tools unlashed. 解開所有鑽具。
- A drilling tool. 鑽子一種鑽鑿用工具
- The working principle of the controllable eccentralizer rotary steerable drilling tool is presented. 摘要介紹了所研製的可控偏心器旋轉導向鑽井工具的工作原理。
- The extracting method of on-line wear character signal of drilling tool is studied. 研究了鑽削過程中刀具在線磨損狀態特徵信號+的提取方法。
- After modification of the drilling tool, the thrust borings were successfully done at both locations. 針對已挖掘出的洞已經啟動了意外應對計劃。
- With reference to the experiment results,the DTH hammer concentric simultaneous casing drilling tool is considered to have extensive applicati... 結合實驗結果,認為潛孔錘同心跟管鑽具在卵礫石地層中具有廣闊的應用前景。
- CASTON has experts from Xuanhua machinery plant with superiority on down-the-hole drilling tool and anchorage drill pipe. 凱司通公司擁有多名原宣化採掘機械廠的專家和工程技術人員,在潛孔、錨固鑽桿生產方面具有無可替代的優勢。
- direct cyclic rotation drilling well 正循環迴轉鑽井
- These two days we have been laying down drill tools. 這兩天我們都在甩鑽具。
- Our balance and rotation drills will teach you to do this effortlessly and rhythmically. 平衡和轉身練習,將教會你省力並有節奏地利用軀幹在水中前行。
- By the action of high roatry speed,excentric shaft connection intensifies the fatigue failure of drill tool. 為了達到較好的防斜目的,必須增大鑽進時鑽頭的轉速,在高轉速的作用下,偏軸接頭加劇了鑽具先期疲勞失效。
- They believed that the hydrogenation drilling tool some diamond transitional structure sequence is helpful to the life form appearance. 他們認為,氫化鑽具有的鑽石過渡性結構序列有助於生命形式的出現。
- The operation performance of PDC bits with screw drill tool appplied now in oilfield were analyzed comprehensively. 綜合分析了目前使用的PDC鑽頭和螺桿鑽具工作特性。
- 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. 對於鬆軟的土壤,它的工作效果很好,但鉛筆尖不是非常好的鑽孔工具,施加的壓力稍大,鉛筆就可能會斷裂。
- Research on vibration problems which is the main reason causing bottom drilling tool failure, can reduce drilling tool damage and emergence of underground accidents. 摘要振動問題一直是引起底部鑽具失效的主要原因,對其進行研究能減小鑽具損害和各類井下事故的發生。
- 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. 應用動力鑽具配合高效PDC鑽頭鑽井技術,保證了井身質量和鑽井速度;應用聚磺鉀鹽鑽井液體系及相關安全技術措施,保證了井下安全。
- This paper analyses the influence of excentric shaft connection on force case of drill tool,and discusses the causes of drill tool failure. 文中分析了使用偏軸接頭對鑽具各部分受力情況的影響及導致鑽具失效的原因。
- Two methods for determining the critical length of the drill tool section below the hydrodynamic propulsor are presented. 給出了確定井下液力推進器以下鑽具臨界長度的兩種方法。
- 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. 當試圖通過活動解卡時,堆積物越擠越死,形成一個圓柱,卡死鑽具。