Inner core barrel head assembly for core tube within a drill string

Details for Australian Patent Application No. 2002308426 (hide)

Owner 2iC Australia Pty Ltd

Inventors Beach, Andrew

Agent Griffith Hack

Pub. Number AU-B-2002308426

PCT Number PCT/AU02/00644

PCT Pub. Number WO2002/095183

Priority 48002/01 23.05.01 AU

Filing date 22 May 2002

Wipo publication date 3 December 2002

Acceptance publication date 29 November 2007

International Classifications

E21B 25/02 (2006.01) Apparatus for obtaining or removing undisturbed cores, e.g. core barrels, core extractors

E21B 23/04 (2006.01) Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells

Event Publications

19 December 2002 Complete Application Filed

  Priority application(s): 48002/01 23.05.01 AU

8 May 2003 Application Open to Public Inspection

  Published as AU-B-2002308426

29 November 2007 Application Accepted

  Published as AU-B-2002308426

29 November 2007 Change of Name(s) of Applicant(s), Section 104

  Industrial Innovations & Concepts Pty Ltd The name of the applicant has been changed to 2iC Australia Pty Ltd

3 April 2008 Standard Patent Sealed

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