SHAPE MEMORY ACTUATED VALVE

Details for Australian Patent Application No. 2002332621 (hide)

Owner HALLIBURTON ENERGY SERVICES, INC.

Inventors DAGENAIS, Pete, C.; FRIPP, Michael, L.; SIMONDS, Floyd, R.; MICHAEL, Robert, K.

Pub. Number AU-A-2002332621

PCT Number PCT/US02/26724

PCT Pub. Number WO2004/018833

Filing date 22 August 2002

Wipo publication date 11 March 2004

International Classifications

E21B 034/06 Valve arrangements for boreholes or wells

E21B 034/10 Valve arrangements for boreholes or wells

F16K 031/00 Operating means

Event Publications

13 February 2003 Complete Application Filed

22 April 2004 Application Open to Public Inspection

  Published as AU-A-2002332621

12 May 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(f)/See Reg. 8.3(3). Examination has not yet been requested or directed for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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