METHOD AND APPARATUS FOR LOCKING OUT A SUBSURFACE SAFETY VALVE

Details for Australian Patent Application No. 2003246929 (hide)

Owner WEATHERFORD/LAMB, INC.

Inventors HILL, Thomas, G.; DEATON, Thomas, Michael; SIMPSON, Neil, Andrew, Abercrombie; HODGE, Rory, L

Pub. Number AU-A-2003246929

PCT Number PCT/GB03/02960

PCT Pub. Number WO2004/007903

Priority 60/395,521 12.07.02 US; 10/600,037 20.06.03 US

Filing date 9 July 2003

Wipo publication date 2 February 2004

International Classifications

E21B 043/10 Obtaining fluids from wells

E21B 034/14 Valve arrangements for boreholes or wells

E21B 034/10 Valve arrangements for boreholes or wells

Event Publications

2 October 2003 Complete Application Filed

  Priority application(s): 60/395,521 12.07.02 US; 10/600,037 20.06.03 US

18 March 2004 Application Open to Public Inspection

  Published as AU-A-2003246929

7 April 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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