Self adjusting debris excluder sub

Details for Australian Patent Application No. 2009214904 (hide)

Owner Baker Hughes Incorporated

Inventors Mills, Aubrey C.

Agent Freehills

Pub. Number AU-A-2009214904

PCT Pub. Number WO2009/102703

Priority 12/030,005 12.02.08 US

Filing date 10 February 2009

Wipo publication date 20 August 2009

International Classifications

E21B 21/00 (2006.01) Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor

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

E21B 33/129 (2006.01) Sealing or packing boreholes or wells

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

Event Publications

9 September 2010 PCT application entered the National Phase

  PCT publication WO2009/102703 Priority application(s): WO2009/102703

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