drill pipe string

常見例句

雙語例句

• What is the drill pipe string weight in air?
  鉆桿在空氣中的重量是多少？
  blog.sina.com.cn
• This paper briefly recalls the calculation of problems of stabilization of a string of drill pipe now available under self-gravitation.
  本文簡要地回顧了現(xiàn)有在自重力作用下鉆柱穩(wěn)定問題的計算。
• The contact and friction of a drill pipe string with borehole wall and its deformation are analyzed and calculated with modified Newton iteration and approximate gradient increment of loading.
  用修正的牛頓迭代法進(jìn)行迭代運算和用近似梯度增量法修改載荷增量，并對鉆柱與井壁的接觸摩擦和鉆柱變形進(jìn)行了分析計算。

權(quán)威例句

• The new pipe will be placed right next to the small section of abandoned pipe where the drill string got stuck.
  FORBES: McMoRan Update From Enercom Oil & Gas Conference
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