Telescopic unit with dissolvable barrier

Details for Australian Patent Application No. 2010328531 (hide)

Owner Baker Hughes Incorporated

Inventors Agrawal, Gaurav; Xu, Zhiyue; Richard, Bennett; Xu, Yang

Agent Freehills

Pub. Number AU-A-2010328531

PCT Pub. Number WO2011/071691

Priority 12/633,683 08.12.09 US

Filing date 23 November 2010

Wipo publication date 16 June 2011

International Classifications

B22F 7/00 (2006.01) Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting

C22C 1/04 (2006.01) Non-ferrous alloys, i.e. alloys based essentially on metals other than iron - by powder metallurgy

E21B 7/20 (2006.01) Special methods or apparatus for drilling - Driving or forcing casings or pipes into boreholes, e.g. sinking

E21B 17/08 (2006.01) Drilling rods or pipes

Event Publications

7 June 2012 PCT application entered the National Phase

  PCT publication WO2011/071691 Priority application(s): WO2011/071691

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