Active intake pressure control of downhole pump assemblies

Details for Australian Patent Application No. 2007221913 (hide)

Owner Weatherford/Lamb, Inc.

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

Agent Fisher Adams Kelly

Pub. Number AU-B-2007221913

Priority 11/548591 11.10.06 US

Filing date 10 October 2007

Wipo publication date 1 May 2008

Acceptance publication date 29 July 2010

International Classifications

F04C 11/00 (2006.01) Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type

E21B 34/08 (2006.01) Valve arrangements for boreholes or wells

E21B 43/12 (2006.01) Obtaining fluids from wells - Methods or apparatus for controlling the flow of the obtained fluid to or in wells

F04B 23/04 (2006.01) Pumping installations or systems

F04C 2/107 (2006.01) Rotary-piston machines or pumps

F04C 28/24 (2006.01) Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids

Event Publications

25 October 2007 Complete Application Filed

  Priority application(s): 11/548591 11.10.06 US

1 May 2008 Application Open to Public Inspection

  Published as AU-B-2007221913

29 July 2010 Application Accepted

  Published as AU-B-2007221913

25 November 2010 Standard Patent Sealed

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