A nc reciprocating immersible oil pump

Details for Australian Patent Application No. 2005284521 (hide)

Owner Feng, C. Liu, Z.

Inventors Liu, Zhongya; Feng, Chunguo

Agent Davies Collison Cave

Pub. Number AU-B-2005284521

PCT Pub. Number WO2006/029570

Priority 200410050431.5 17.09.04 CN

Filing date 13 September 2005

Wipo publication date 23 March 2006

Acceptance publication date 31 July 2008

International Classifications

F04B 47/06 (2006.01) Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps

E21B 43/00 (2006.01) Obtaining fluids from wells

Event Publications

5 October 2006 PCT application entered the National Phase

  PCT publication WO2006/029570 Priority application(s): WO2006/029570

31 July 2008 Application Accepted

  Published as AU-B-2005284521

27 November 2008 Standard Patent Sealed

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