drilling string 中文意思是什麼

drilling string 解釋
鉆桿柱
  • drilling : n 1 鉆孔；【礦物】鉆井；〈pl 〉鉆屑，鉆粉。2 操練，訓練。n 【農業】條播。 ridge [furrow] drilling...
  • string : n 1 線，帶，繩子；〈美國〉鞋帶〈又作 shoe string， 〈英國〉稱 shoe lace〉。 （穿線、數珠等的）串...
  1. Stability analysis of drill - string in directional drilling

    定向井鉆柱穩定性分析
  2. On the basis of analyzing the working circumstance and prosperity of downhole drilling string of the surface dynamic rotating drilling vertical well, the force prosperity and failure forms of downhole drilling string are focused on. and further research has been done on the vibration damage of downhole drilling string as well as the construction and work prosperity of vibrating - proof hydraulic shocker absorber

    本文在對地面動力旋轉鉆井直井井下鉆柱的工作環境和特性加以分析的基礎上，著重對鉆柱在井下的受力特性以及損壞形式進行了分析，並對鉆柱在井下的振動危害以及用於防止振動的水力加壓減震器的結構、工作特性等一些規律進行了深入的探索和研究。
  3. In chapter two, the prosperity of the motion, force and screwed joint of the surface dynamic rotating drilling downhole drilling string has been discussed

    第二章分析探討了地面動力旋轉鉆井井下鉆柱的運動狀態、受力及螺紋聯接的特性。
  4. Chapter three discusses the vibration forms of the surface dynamic rotating drilling downhole drilling string, analyzes the damage of low frequency ancf fongif ucfi ' na / vibration to downhole drilling string, and set up a set of math models of the longitudinal and torsional vibration

    第三章分析探討了地面動力旋轉鉆井井下鉆柱的的振動形式，並提出分析了低頻縱振現象對井下鉆柱的損害，以及建立了縱向、扭轉振動的數學模型。
  5. In chapter one, engineering flow and current research results in domestic and international of the surface dynamic rotating drilling have been generalized. furthermore, the engineering value and significance of motion of the surface dynamic rotating drilling downhole drilling string have been illustrated

    第一章除概述了地面動力旋轉鉆井的工藝流程及國內外研究現狀外，還闡述了研究地面動力旋轉鉆井井下鉆柱的運動狀態的工程價值及意義。
  6. An example of friction calculation shows that the calculation results provide a basis for the selection of drilling equipment, optimization of drillstem parameters and wellbore structure, and the selection of tripping modes of the drill string

    實例計算分析表明，摩擦阻力計算結果可為鉆井設備選型、優化管柱參數和井身結構以及選擇下入方式提供可靠依據。
  7. Vibration absorber for drilling string

    鉆柱減震器
  8. Torsional vibration simulation analysis of drilling string and rock bit

    鉆井用鉆頭和鉆柱扭轉振動的模擬分析
  9. Chapter four investigates some typical examples of the damage of drilling string in daqing oil field recent years. and on the basis of the analysis of the prosperity and form of the damage of drilling string, the main factors of the damage of downhole drilling string and the preventive measures have been presented

    第四章調查了大慶近幾年鉆柱損壞的典型實例，並在對鉆柱損壞的特徵、形式等給予了分析的基礎上，提出了井下鉆柱損壞的主要因素及預防的關鍵。
  10. Study on the lateral vibration rule of drilling string under reversion

    對鉆柱在反轉情況下橫向振動規律的研究
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