PERMANENT MAGNET LINEAR MOTOR ACTUATED SAFETY VALVE AND METHOD
摘要
<p>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.</p>
申请公布号
SG178380(A1)
申请公布日期
2012.03.29
申请号
SG20120009726
申请日期
2010.08.09
申请人
BAKER HUGHES INCORPORATED
发明人
LAKE, GARY;MAY, MICHAEL J.;RANJAN, PRIYESH;MURRAY, DOUGLAS;RAINONE, MICHAEL;SACKETT, SAMUEL;PRESLEY, TALBOT