Wellhead bypass method and apparatus

Details for Australian Patent Application No. 2010200922 (hide)

Owner BJ Services Company, U.S.A.

Inventors Hill Jr., Thomas G; Bolding, Jeffrey L.

Agent Shelston IP

Pub. Number AU-B-2010200922

Parent 2006254948

Filing date 10 March 2010

Wipo publication date 1 April 2010

Acceptance publication date 23 February 2012

International Classifications

E21B 19/08 (2006.01) Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick

E21B 33/068 (2006.01) Sealing or packing boreholes or wells

Event Publications

25 March 2010 Complete Application Filed

1 April 2010 Application Open to Public Inspection

  Published as AU-B-2010200922

23 February 2012 Application Accepted

  Published as AU-B-2010200922

22 March 2012 Assignment before Grant

  BJ Services Company, U.S.A. The application has been assigned to Baker Hughes Incorporated

21 June 2012 Standard Patent Sealed

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