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- flexible bottom hole assembly “刚柔”钻具组合
- This is the BHA[bottom hole assembly] log. 这是井下钻具组合的记录本。
- Make up bottom hole assembly (BHA). 组合下部钻具。
- 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。
- Make up bottom hole assembly. 组合下部钻具。
- 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。
- Keywords flexible;bottom hole assembly;mechanics model;stabilizer;pendulum assembly;application;hole deviation;Bocan 1 Well; 柔性;钻具组合;力学模型;稳定器;接头;钟摆钻具;应用;井斜;勃参一井;
- A new method for two-dimensional analysis on bottom hole assembly 底部钻具组合二维分析新方法
- Keywords deep well;drilling;casing program;bottom hole assembly;Futai Oilfield; 深井;钻井;井身结构;钻具组合;富台油田;
- Keywords slim hole bottom hole assembly（BHA） nonlinear force analysis model; 小眼井;钻具组合;非线性;力分析;模型;
- Suitable position of stabilizer at bottom hole assembly fitting an off-balance bit 偏心钻头底部钻具组合稳定器的适宜安放位置研究
- Dynamic Analysis of Bottom Hole Assembly with Eccentric Sub and Its Motion Simulation Research 带偏轴接头下部钻具组合动力学分析及其运动仿真研究
- Research on Motion State of Bottom Hole Assembly and the Evaluation Method of Drilling Tendency 底部钻具组合运动状态及钻进趋势评价方法研究
- Keywords deviation control;penetration rate;hole enlarger;bottom hole assembly;H96-2 Well; 井斜控制;机械钻速;井眼扩大器;钻具组合;H96-2井;
