Active intake pressure control of downhole pump assemblies

Details for Australian Patent Application No. 2010200739 (hide)

Owner Weatherford/Lamb, Inc.

Inventors Noble, Evan; Moneta, Roland; Dunn, Lonnie

Agent Fisher Adams Kelly

Pub. Number AU-B-2010200739

Parent 2007221912

Filing date 26 February 2010

Wipo publication date 18 March 2010

Acceptance publication date 19 January 2012

International Classifications

E21B 34/08 (2006.01) Valve arrangements for 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

18 March 2010 Application Open to Public Inspection

  Published as AU-B-2010200739

18 March 2010 Complete Application Filed

19 January 2012 Application Accepted

  Published as AU-B-2010200739

17 May 2012 Standard Patent Sealed

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