Invention Grant
US08800688B2 Downhole motors with a lubricating unit for lubricating the stator and rotor
有权
井下电机带有用于润滑定子和转子的润滑单元
- Patent Title: Downhole motors with a lubricating unit for lubricating the stator and rotor
- Patent Title (中): 井下电机带有用于润滑定子和转子的润滑单元
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Application No.: US13187250Application Date: 2011-07-20
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Publication No.: US08800688B2Publication Date: 2014-08-12
- Inventor: Hendrik John , Harald Grimmer
- Applicant: Hendrik John , Harald Grimmer
- Applicant Address: US TX Houston
- Assignee: Baker Hughes Incorporated
- Current Assignee: Baker Hughes Incorporated
- Current Assignee Address: US TX Houston
- Agency: Cantor Colburn LLP
- Main IPC: E21B4/02
- IPC: E21B4/02
Abstract:
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.
Public/Granted literature
- US20130020132A1 Downhole Motors with a Lubricating Unit for Lubricating the Stator and Rotor Public/Granted day:2013-01-24
Information query
