Invention Grant
- Patent Title: Permanent magnet linear motor actuated safety valve and method
- Patent Title (中): 永磁直线电机启动安全阀及方法
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Application No.: US12540931Application Date: 2009-08-13
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Publication No.: US08662187B2Publication Date: 2014-03-04
- Inventor: Gary Lake , Michael J. May , Priyesh Ranjan , Douglas Murray , Michael Rainone , Samuel Sackett , Talbot Presley
- Applicant: Gary Lake , Michael J. May , Priyesh Ranjan , Douglas Murray , Michael Rainone , Samuel Sackett , Talbot Presley
- 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: E21B34/06
- IPC: E21B34/06
Abstract:
A linear motor activator for a downhole safety valve including a permanent magnet carrier; a plurality of permanent magnets mounted to the permanent magnet carrier; a coil carrier disposed in magnetic field proximity to the permanent magnet carrier; and a plurality of coils mounted to the coil carrier, one of the permanent magnet carrier and the coil carrier being movable relative to the other of the permanent magnet carrier and coil carrier, and being connected to a component of a downhole safety valve and method.
Public/Granted literature
- US20110037004A1 PERMANENT MAGNET LINEAR MOTOR ACTUATED SAFETY VALVE AND METHOD Public/Granted day:2011-02-17
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