Liner hanger with sliding sleeve valve

Details for Australian Patent Application No. 2001292695 (hide)

Owner Shell Internationale Research Maatschappij B.V.

Inventors Ring, Lev; Zwald, Edwin A.; Nida, Ronald D.; Cook, Robert Lance; Daigle, Chan; Noel, Gregory M.; Dean, William J; Stephenson, William Rusty; Gusevik, Rune T.; Brisco, David P.; Filippov, Andrei Gregory; Wadell, Kevin K.

Agent Davies Collison Cave

Pub. Number AU-B-2001292695

PCT Pub. Number WO02/23007

Priority 60233638 18.09.00 US

Filing date 17 September 2001

Wipo publication date 26 March 2002

Acceptance publication date 6 July 2006

International Classifications

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

E21B 33/16 (2006.01) Sealing or packing boreholes or wells

E21B 34/06 (2006.01) Valve arrangements for boreholes or wells

E21B 34/14 (2006.01) Valve arrangements for boreholes or wells

E21B 43/10 (2006.01) Obtaining fluids from wells

Event Publications

15 June 2006 Assignment before Grant

  Shell Oil Company The application has been assigned to Shell Internationale Research Maatschappij B.V. 2002

6 July 2006 Application Accepted

  Published as AU-B-2001292695

2 November 2006 Standard Patent Sealed

9 April 2009 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This patent ceased under section 143(a), or Expired. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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