Drilling a borehole and hybrid drill string

Details for Australian Patent Application No. 2010334863 (hide)

Owner Shell Internationale Research Maatschappij B.V.

Inventors Blange, Jan-Jette

Agent Spruson & Ferguson

Pub. Number AU-A-2010334863

PCT Pub. Number WO2011/076847

Priority 09180572.1 23.12.09 EP

Filing date 22 December 2010

Wipo publication date 30 June 2011

International Classifications

E21B 7/18 Special methods or apparatus for drilling - Drilling by liquid or gas jets, with or without entrained pellets

E21B 17/04 Drilling rods or pipes

E21B 17/20 Drilling rods or pipes

E21B 19/22 Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick

Event Publications

5 July 2012 PCT application entered the National Phase

  PCT publication WO2011/076847 Priority application(s): WO2011/076847

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