Electrical submersible pumping systems having stirling coolers

Details for Australian Patent Application No. 2007202449 (hide)

Owner Schlumberger Technology B.V.

Inventors Rowatt, John David

Agent Griffith Hack

Pub. Number AU-A-2007202449

Priority 11/458,117 18.07.06 US

Filing date 29 May 2007

Wipo publication date 7 February 2008

International Classifications

F04D 13/08 (2006.01) Pumping installations or systems

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

F04D 29/58 (2006.01) Details, component parts, or accessories - Cooling

H02K 5/12 (2006.01) Casings - specially adapted for operating in liquid or gas

H02K 5/132 (2006.01) Casings

Event Publications

14 June 2007 Complete Application Filed

  Priority application(s): 11/458,117 18.07.06 US

7 February 2008 Application Open to Public Inspection

  Published as AU-A-2007202449

21 July 2011 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(a). A direction to request examination has been given for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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