Equalizer valve assembly

Details for Australian Patent Application No. 2006271478 (hide)

Owner Halliburton Energy Services, Inc.

Inventors Rogers, Henry E.; Fears, Brett A.; Szarka, David Durward

Agent Callinan

Pub. Number AU-B-2006271478

PCT Pub. Number WO2007/010196

Priority 11/182,401 15.07.05 US

Filing date 11 July 2006

Wipo publication date 25 January 2007

Acceptance publication date 16 December 2010

International Classifications

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

E21B 21/10 (2006.01) Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor

Event Publications

28 February 2008 PCT application entered the National Phase

  PCT publication WO2007/010196 Priority application(s): WO2007/010196

16 December 2010 Application Accepted

  Published as AU-B-2006271478

14 April 2011 Standard Patent Sealed

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