Wellbore pressure control with segregated fluid columns

Details for Australian Patent Application No. 2010352027 (hide)

Owner HALLIBURTON ENERGY SERVICES, INC.

Inventors Lovorn, James R.; Barki, Emad; Turner, Jay K.; Ezell, Ryan G.

Agent Callinan

Pub. Number AU-A-2010352027

PCT Pub. Number WO2011/136761

Filing date 27 April 2010

Wipo publication date 3 November 2011

International Classifications

E21B 21/08 Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor

Event Publications

25 October 2012 PCT application entered the National Phase

  PCT publication WO2011/136761 Priority application(s): WO2011/136761

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