| 大直径反循环回转钻井底冲洗液流速的研究 |
| |
| 引用本文： | 赵大军,郑培根,徐龙献.大直径反循环回转钻井底冲洗液流速的研究[J].探矿工程,1997(2):42-45. |
| |
| 作者姓名： | 赵大军 郑培根 徐龙献 |
| |
| 作者单位： | 长春科技大学 |
| |
| 基金项目： | 地质行业基金!“大直径反循环回转钻井底流场和净化过程的研究”的子课题 |
| |
| 摘 要： | 对大直径反循环平底钻头回转钻进井底冲洗液流速进行了研究，得出在模拟实验条件下，井底各点切向速度，径向速度及合速度的大小及钻头转速，冲洗液流量对井底流速的影响规律。
|
| 关 键 词： | 回转钻进 冲洗液 井底流速 分速度计算 钻井 |
Study on Fluid Velocity at The Hole Bottom in Large Diameter Reverse Circulation Rotary Drilling |
| |
| Zhao Dajun,Zheng Peigen,Xu Longxian.Study on Fluid Velocity at The Hole Bottom in Large Diameter Reverse Circulation Rotary Drilling[J].Exploration Engineering(Drilling & Tunneling),1997(2):42-45. |
| |
| Authors: | Zhao Dajun Zheng Peigen Xu Longxian |
| |
| Institution: | Changchun University of Earth Science Changchun 130026 |
| |
| Abstract: | Through study on the fluid velocity at the hole bottom in large diameter reverse circulation rotary drilling with flat-bottom bits, the law that the tangential, radial and resultant velocities, and bit rotary speed and flowrate control the fluid velocity at the hole bottom are found out in the modelling condition. |
| |
| Keywords: | large diameter rotary drilling fluid fluid velocity at the bottom hole velocity component calculation |
| 本文献已被 维普 等数据库收录！ |
| 点击此处可从《探矿工程》浏览原始摘要信息 |
| 点击此处可从《探矿工程》下载免费的PDF全文 |
