发明名称 |
Downhole Motors with a Lubricating Unit for Lubricating the Stator and Rotor |
摘要 |
In aspects, the disclosure provides a drilling motor that includes a lubricating unit that selectively supplies a lubricant to the drilling fluid before the drilling fluid passes through the drilling motor so as to lubricate the stator and/or the rotor to reduce friction between the stator and the rotor and to reduce wear of the motor.
|
申请公布号 |
US2013020132(A1) |
申请公布日期 |
2013.01.24 |
申请号 |
US201113187250 |
申请日期 |
2011.07.20 |
申请人 |
BAKER HUGHES INCORPORATED;JOHN HENDRIK;GRIMMER HARALD |
发明人 |
JOHN HENDRIK;GRIMMER HARALD |
分类号 |
E21B4/02;E21B7/00 |
主分类号 |
E21B4/02 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|