发明授权
- 专利标题: Downhole motor
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申请号: US14604177申请日: 2015-01-23
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公开(公告)号: US10119333B2公开(公告)日: 2018-11-06
- 发明人: Keith A. Bullin
- 申请人: Keith A. Bullin
- 代理机构: Bushman Werner, P.C.
- 主分类号: E21B4/00
- IPC分类号: E21B4/00 ; E21B7/06 ; E21B3/00 ; E21B4/02
摘要:
A downhole motor having a motor section, a drive shaft section, and an output shaft section. The output shaft section has a rotatable output shaft with a first end and a second end. A first thrust bearing assembly proximal to the first end of the output shaft, a second thrust bearing assembly proximal to second end to said output shaft. A radial bearing assembly disposed between the first and second thrust bearing assemblies.
公开/授权文献
- US20150129314A1 Downhole Motor 公开/授权日:2015-05-14
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