Method and apparatus for continuously injecting fluid in a wellbore while maintaining safety valve operation

Details for Australian Patent Application No. 2006254949 (hide)

Owner BJ Services Company, U.S.A.

Inventors Bolding, Jeffrey L.; Sides, Winfield M. III; Hill, Thomas G. Jr.; Mailand, Jason C.; McGavern, Cecil G. III

Agent Shelston IP

Pub. Number AU-B-2006254949

PCT Pub. Number WO2006/133351

Priority 60/595,138 08.06.05 US

Filing date 8 June 2006

Wipo publication date 14 December 2006

Acceptance publication date 25 February 2010

International Classifications

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

Event Publications

10 January 2008 PCT application entered the National Phase

  PCT publication WO2006/133351 Priority application(s): WO2006/133351

25 February 2010 Application Accepted

  Published as AU-B-2006254949

24 June 2010 Standard Patent Sealed

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