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- Make up bottom hole assembly (BHA). 组合下部钻具。
- Make up bottom hole assembly. 组合下部钻具。
- This is the BHA[bottom hole assembly] log. 这是井下钻具组合的记录本。
- Please pull out of hole and change bottom hole assembly! 请起钻,换下部钻具结构!
- A kind of rotary steering stabilizer used in a common rotary bottom hole assembly to control well path was developed. 在普通旋转钻具的基础上,研制了一种旋转的近钻头稳定器,它可以将钻柱稳定在井眼截面的需要位置,以控制井眼轨道。
- The basic assumptions, equations and boundary conditions for bottom hole assembly (BHA) analysis were discussed. 讨论了下部钻具组合分析的基本假设、基本方程和相应的边界条件。
- With the progress of drilling technology, bottom hole assembly (BHA) has been developed rapidly to control well trajectory. 随着钻井技术的进步，以控制井眼轨道为目的的下部钻具组合发展迅速。
- 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。应用数值计算方法,分析了偏心钻头底部钻具组合的受力和变形特性。
- The tangency point of Bottom Hole Assembly is located at where the drill string just touches the wall of the borehole, and the contact force is zero here. 在计算底部钻具组合的受力和变形时,以前一般都是按弯矩为零的条件来确定其上切点的位置。
- The paper presented 3 kinds of bottom hole assembly, analysed the advantages of downhole steering technique, discussed the problems such as rock carrying and recommended some solutions. 给出了3种钻具组合形式，分析了井下导向技术的优势，探讨了携岩等技术问题并推荐了解决办法。
- Considering the design parameters effect on the drilling tendency,the conception of drilling tendency angle was proposed as an evaluation index for the bottom hole assembly(BHA) design. 考虑钻具的设计参数对钻进趋势的影响,提出了钻进趋势角的概念,以此作为底部钻具组合设计效果的评价指标。
- They gave me a week to make up my mind. 他们允许我有一周的时间作决定。
- He tried hard to make up for the lose time. 他竭力试图弥补损失的时间。
- But I make up for it in the evening. 可是到了晚上我就补回来了。
- She tired to make up to the boss. 她想讨好老板。
- A new method for two-dimensional analysis on bottom hole assembly 底部钻具组合二维分析新方法
- He tried to make up to Professor Strong. 他极力讨好斯特朗教授。
- The advantages make up for the disadvantages. 有利条件弥补了不利条件。
- Nothing can make up for what they have suffered. 什么也不能补偿他们所受的痛苦。
- Jack tried to make up to his boss. 杰克试图讨好他的上司。
