| 1. | A bha strength analysis of reaming while drilling 随钻扩眼下部钻具组合的强度分析 |
| 2. | Method of bottom hole assembly design in directional wells 定向井下部钻具组合设计方法 |
| 3. | Mechanics analysis of the offset - axes pendulum drill assembly 偏轴钟摆钻具组合力学特性分析 |
| 4. | Double - nonlinear finite element analysis of bottom hole assembly 底部钻具组合的二重非线性有限元分析 |
| 5. | 3 what is the bha of this well 这口井的钻具组合是什么? |
| 6. | Application of offset - axes bottom - hole assembly in qingxi area 偏轴钻具组合在青西地区的应用效果分析 |
| 7. | Pick up same bit and bha 装上同样的钻头和钻具组合 |
| 8. | This is the bha log 这是下部钻具组合记录 |
| 9. | Bending drill assembly 弯曲钻具组合 |
| 10. | Bhbottom hole assembly 下部钻具组合 |