Bottom Hole Assembly 下部钻具组合 ; 底部钻具组合 ; 下部钻具总成
Make up bottom hole assembly 组合下部钻具
semipacked bottom-hole assembly 半封隔井底钻具组合
packed bottom-hole assembly 满眼底部钻具组合
full-packed bottom-hole assembly 满眼底部钻具组合
pendulum bottom hole assembly 钟摆井底钻具组合
three-dimensional bottom hole assembly model 三维井底钻具组合模式
BHA bottom hole assembly 底部钻具组合
rigid bottom hole assembly 刚性钻铤组合
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以上来源于: WordNet
A mechanical model of bottom hole assembly (BHA) with eccentric bits is established and the solution of this model was given by means of numerical method.
采用静力分析的方法，建立了偏心钻头底部钻具组合的力学模型，并完成了对力学模型的求解。
It still is a difficult subject for most drilling engineers to predict and control well path by applying the mechanical analysis of bottom hole assembly and the rock-bit interaction model.
利用下部钻具力学分析和钻头与地层相互作用模型来预测和控制井眼轨道对于大多数钻井作业来说仍是一个难题。
The force and deformation of bottom hole assembly (BHA)are calculated by the gap-element method, in consideration for the bending effect and contact state of BHA.
考虑下部钻具组合的弯曲效应和接触状态，运用间隙无法对下部钻具组合进行了受力变形计算。
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