Method of diminishing the size of the cross section of an opening of a hollow device located in a flow pipe

Details for Australian Patent Application No. 2002216851 (hide)

Owner Petroleo Brasileiro S.A.-Petrobras

Inventors Resende De Almeira, Alcino

Agent Griffith Hack

Pub. Number AU-B-2002216851

PCT Pub. Number WO2002/063203

Priority 0103055.0 07.02.01 GB

Filing date 28 December 2001

Wipo publication date 19 August 2002

Acceptance publication date 30 August 2007

International Classifications

F16L 55/18 (2006.01) Devices or appurtenances for use in, or in connection with, pipes or pipe systems - Appliances for use in repairing pipes

E21B 23/08 (2006.01) Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells

E21B 37/00 (2006.01) Methods or apparatus for cleaning boreholes or wells

F16L 55/38 (2006.01) Devices or appurtenances for use in, or in connection with, pipes or pipe systems

Event Publications

13 February 2003 Application Open to Public Inspection

  Published as AU-B-2002216851

30 August 2007 Application Accepted

  Published as AU-B-2002216851

3 January 2008 Standard Patent Sealed

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