Pressure monitoring of control lines for tool position feedback

Details for Australian Patent Application No. 2005257875 (hide)

Owner Baker Hughes Incorporated

Inventors Vachon, Guy

Agent Freehills

Pub. Number AU-B-2005257875

PCT Pub. Number WO2006/001974

Priority 60/576,202 01.06.04 US

Filing date 31 May 2005

Wipo publication date 5 January 2006

Acceptance publication date 4 November 2010

International Classifications

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

E21B 23/00 (2006.01) Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells

E21B 33/12 (2006.01) Sealing or packing boreholes or wells - Packers

E21B 34/16 (2006.01) Valve arrangements for boreholes or wells

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

E21B 47/00 (2006.01) Survey of boreholes or wells

Event Publications

14 December 2006 PCT application entered the National Phase

  PCT publication WO2006/001974 Priority application(s): WO2006/001974

4 November 2010 Application Accepted

  Published as AU-B-2005257875

10 March 2011 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under reg. 22.2I(2). This application has been accepted or advertised accepted. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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