Drilling tool with fluid cleaner

Details for Australian Patent Application No. 2008221112 (hide)

Owner Welltec A/S

Inventors Hallundbaek, Jorgen; Andersen, Thomas Sune

Agent Davies Collison Cave

Pub. Number AU-A-2008221112

PCT Pub. Number WO2008/104177

Priority PA 2007 00304 28.02.07 DK

Filing date 28 February 2008

Wipo publication date 4 September 2008

International Classifications

E21B 4/04 (2006.01) Drives for drilling, used in the borehole

E21B 27/00 (2006.01) Containers for collecting or depositing substances in boreholes or wells, e.g. bailers for collecting mud or sand

E21B 49/02 (2006.01) Testing the nature of borehole walls

Event Publications

10 September 2009 PCT application entered the National Phase

  PCT publication WO2008/104177 Priority application(s): WO2008/104177

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