发明申请
US20070125578A1 Wellbore motor having magnetic gear drive 有权
井筒电机有磁齿轮传动

Wellbore motor having magnetic gear drive
摘要:
A wellbore motor includes a means for converting flow of fluid in the wellbore into rotational energy. A magnetic gear member is operatively coupled at an input thereof to the means for converting. A wellbore rotary tool is coupled to an output of the magnetic gear member.
公开/授权文献
信息查询
0/0