Top drive system

Details for Australian Patent Application No. 2012201644 (hide)

Owner Weatherford/Lamb, Inc.

Inventors Olstad, Delaney Michael; Rials, Ross; Fisher, Raleigh; Heidecke, Karsten

Agent Spruson & Ferguson

Pub. Number AU-A-2012201644

Parent 2008334992

Filing date 20 March 2012

Wipo publication date 12 April 2012

International Classifications

E21B 3/02 (2006.01) Rotary drilling

E21B 19/00 (2006.01) Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick

Event Publications

5 April 2012 Complete Application Filed

12 April 2012 Application Open to Public Inspection

  Published as AU-A-2012201644

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