Ball dropping assembly

Details for Australian Patent Application No. 2003207329 (hide)

Owner Weatherford/Lamb, Inc.

Inventors Pedersen, Gerald Dean; Hirth, David E.

Agent Griffith Hack

Pub. Number AU-B-2003207329

PCT Number PCT/GB03/00714

PCT Pub. Number WO2003/071093

Priority 10/081,062 21.02.02 US; 10/208,568 30.07.02 US

Filing date 18 February 2003

Wipo publication date 9 September 2003

Acceptance publication date 4 October 2007

International Classifications

E21B 33/05 (2006.01) Sealing or packing boreholes or wells

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

E21B 33/16 (2006.01) Sealing or packing boreholes or wells

E21B 34/14 (2006.01) Valve arrangements for boreholes or wells

Event Publications

17 July 2003 Complete Application Filed

  Priority application(s): 10/081,062 21.02.02 US; 10/208,568 30.07.02 US

9 October 2003 Application Open to Public Inspection

  Published as AU-B-2003207329

4 October 2007 Application Accepted

  Published as AU-B-2003207329

31 January 2008 Standard Patent Sealed

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