Improved downhole debris catcher and associated mill

Details for Australian Patent Application No. 2009214898 (hide)

Owner Baker Hughes Incorporated

Inventors Connell, Paul L.; Trahan, James S.; Davis, John P.

Agent Freehills

Pub. Number AU-B-2009214898

PCT Pub. Number WO2009/102705

Priority 12/029,228 11.02.08 US

Filing date 10 February 2009

Wipo publication date 20 August 2009

Acceptance publication date 4 August 2011

International Classifications

E21B 31/08 (2006.01) Fishing for or freeing objects in boreholes or wells

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

Event Publications

30 September 2010 PCT application entered the National Phase

  PCT publication WO2009/102705 Priority application(s): WO2009/102705

28 October 2010 Amendment Made

  The nature of the amendment is: Amend the invention title to read Improved downhole debris catcher and associated mill

4 August 2011 Application Accepted

  Published as AU-B-2009214898

1 December 2011 Standard Patent Sealed

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