Permanent magnet linear motor actuated safety valve and method

Details for Australian Patent Application No. 2010282759 (hide)

Owner Baker Hughes Incorporated

Inventors Lake, Gary; May, Michael J.; Ranjan, Priyesh; Murray, Douglas; Rainone, Michael; Sackett, Samuel; Presley, Talbot

Agent Freehills

Pub. Number AU-A-2010282759

PCT Pub. Number WO2011/019645

Priority 12/540,931 13.08.09 US

Filing date 9 August 2010

Wipo publication date 17 February 2011

International Classifications

E21B 34/10 (2006.01) Valve arrangements for boreholes or wells

E21B 21/10 (2006.01) Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor

E21B 43/12 (2006.01) Obtaining fluids from wells - Methods or apparatus for controlling the flow of the obtained fluid to or in wells

F16K 31/06 (2006.01) Operating means - using a magnet

Event Publications

8 March 2012 PCT application entered the National Phase

  PCT publication WO2011/019645 Priority application(s): WO2011/019645

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