Stage cementing tool

Details for Australian Patent Application No. 2010212667 (hide)

Owner HALLIBURTON ENERGY SERVICES, INC.

Inventors Makowiecki, Gary J.; Smith, Donald; Winslow, Donald Wayne; Acosta, Frank V.

Agent Callinan

Pub. Number AU-A-2010212667

PCT Pub. Number WO2010/092350

Priority 12/371,374 13.02.09 US

Filing date 12 February 2010

Wipo publication date 19 August 2010

International Classifications

E21B 33/14 (2006.01) Sealing or packing boreholes or wells

E21B 33/16 (2006.01) Sealing or packing boreholes or wells

E21B 34/14 (2006.01) Valve arrangements for boreholes or wells

Event Publications

29 September 2011 PCT application entered the National Phase

  PCT publication WO2010/092350 Priority application(s): WO2010/092350

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