WIRELINE RETRIEVABLE SAFETY VALVE WITH RADIAL CUTTING DEVICE

Details for Australian Patent Application No. 2002254020 (hide)

Owner HALLIBURTON ENERGY SERVICES, INC.

Inventors DENNISTOUN, Stuart, M.; SMITH, Roddie, Robert; GAZDA, Imre, I.

Pub. Number AU-A-2002254020

PCT Pub. Number WO2002/086282

Priority 09/838,604 19.04.01 US

Filing date 25 February 2002

Wipo publication date 5 November 2002

International Classifications

E21B 034/10 Valve arrangements for boreholes or wells

E21B 029/08 Cutting or destroying pipes, packers, plugs, or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windows

Event Publications

17 April 2003 Application Open to Public Inspection

  Published as AU-A-2002254020

19 February 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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