drill string的意思
drill string中文翻譯:
鉆柱
string───n.線,弦,細繩;一串,一行;vt.懸掛;系;扎;用線(或細繩等)串,把……連在一起
drill───vi.鉆孔;訓練;n.(Drill)人名;(德、英)德里爾;n.訓練;鉆孔機;鉆子;播種機;演習;vt.鉆孔;訓練;條播
drill sizes───鉆孔尺寸
disk drill───圓盤播種機
drill chart───演練圖表
masonry drill───[建]圬工鉆;磚石鉆;石鉆
append string───追加字符串
unending string───永無止境的弦
looped string───循環字符串
The driller sets the drill string in the slips or elevator.───司鉆把鉆具坐在卡瓦或吊卡上。
riser's inner hollow core (a pipe within a pipe) is reserved for the drill string.───立管內部核心是空心的(管中管),留給鉆柱使用。
Saltwater mud is known to have a very strong corroding effect on drill string.───人們知道,鹽水泥漿對鉆具有很強的腐蝕作用。
Provided the basis and direction for the drill string failure of the general state of the treatment.───給鉆柱的一般狀態下的故障的處理提供了依據和方向。
According to the torque value, calculating that of drill string downhole , and checking the safety of the drill string.───根據該扭矩值推算到井下鉆柱的扭矩值,并且校核了各點鉆柱的安全性。
The bit is on the bottom of the drill string and must be changed when it becomes excessively dull or stops making progress.───鉆頭位于鉆柱的底部,當其變得極端鈍或沒有進尺的情況下必須進行更換。
The crew attaches new lengths of pipe one by one from the top until the "drill string" is long enough to hit the seafloor.───船員們從這根鋼管的頂部,一根一根地裝上更多管道,直到這根“鉆柱”足夠長,能碰到海底。
However, the drill-string failure in the early stage of drilling is an important factor of limiting the air drilling technology development.───然而空氣鉆井鉆具過早斷裂失效問題是制約空氣鉆井技術得以快速發展的一個重要因素。
The method in the paper is of guiding significance for the theory study of drill technique and perverting drill string from failure.───對鉆井技術的理論研究和預防鉆柱失效具有指導意義。
Describes drill string dynamics system models and numerical algorithms. And describes the details of NEWMARK method and HHT method.
A new lithology identification method based on axial amplitude modulation signal of drill string is proposed.
The riser's inner hollow core (a pipe within a pipe) is reserved for the drill string.
The results show that longitudinal vibration of drill string is relative to rotary speed and weight on bit( WOB ).
Analytical technology for drill string stress wave spectral is a brand - new field.
The swing arms are fastened to the inside structure of the mast, and permit the pipe rack to be low-ered from the stored position to the centerline of the drill string.
When a drill string moves upward or downward in a well, significant stress variations at the suspension point are caused by the starting and stopping of the motion.
A general model is developed to analyze drill string vibration considering the coupled relations between longitudinal vibration, lateral vibration, and twisting vibration.
Twenty hours dragged by as they pulled up the drill string and dropped it back down again.
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