Internal Pressure Indicator and Locking Mechanism for a Downhole Tool

Details for Australian Patent Application No. 2003248421 (hide)

Owner Weatherford/Lamb, Inc.

Inventors Marshall, Gregory

Agent Spruson & Ferguson

Pub. Number AU-B-2003248421

Priority 10/259218 27.09.02 US

Filing date 26 September 2003

Wipo publication date 22 April 2004

Acceptance publication date 29 January 2009

International Classifications

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

E21B 10/32 (2006.01) Drilling tools

E21B 29/00 (2006.01) Cutting or destroying pipes, packers, plugs, or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windows

E21B 47/09 (2006.01) Survey of boreholes or wells

Event Publications

9 October 2003 Complete Application Filed

  Priority application(s): 10/259218 27.09.02 US

22 April 2004 Application Open to Public Inspection

  Published as AU-B-2003248421

29 January 2009 Application Accepted

  Published as AU-B-2003248421

28 May 2009 Standard Patent Sealed

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