Control line reducing hydraulic control system and control valve therefor

Details for Australian Patent Application No. 2007281816 (hide)

Owner Baker Hughes Incorporated

Inventors Lauderdale, Donald P.

Agent Freehills

Pub. Number AU-B-2007281816

PCT Pub. Number WO2008/019234

Priority 60/836,022 07.08.06 US

Filing date 27 July 2007

Wipo publication date 14 February 2008

Acceptance publication date 28 June 2012

International Classifications

E21B 34/10 Valve arrangements for boreholes or wells

F15B 13/02 Details of servomotor systems

F15B 13/04 Details of servomotor systems

F16K 11/07 Multiple-way valves, e.g. mixing valves

Event Publications

19 February 2009 PCT application entered the National Phase

  PCT publication WO2008/019234 Priority application(s): WO2008/019234

28 June 2012 Application Accepted

  Published as AU-B-2007281816

25 October 2012 Standard Patent Sealed

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