| 发明名称 |
BEARING ASSEMBLY FOR DOWNHOLE MUD MOTOR |
| 摘要 |
A bearing assembly for use with a mud motor includes a two-piece mandrel and a housing. Two radial bearings and a triple stack axial thrust on-bottom bearing are dispos ed between the mandrel and housing.
|
| 申请公布号 |
CA2518146(A1) |
申请公布日期 |
2007.03.02 |
| 申请号 |
CA20052518146 |
申请日期 |
2005.09.02 |
| 申请人 |
CIOCEANU, NICU VALENTIN |
发明人 |
CIOCEANU, NICU |
| 分类号 |
E21B4/00;E21B4/02;E21B10/22 |
主分类号 |
E21B4/00 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
