Hybrid hydraulic-electric ram pumping unit with downstroke energy recovery

Details for Australian Patent Application No. 2008286752 (hide)

International Classifications

Event Publications

18 March 2010 PCT application entered the National Phase

PCT publication WO2009/023836 Priority application(s): WO2009/023836

10 June 2010 Assignment before Grant

Best, Larry The application has been assigned to Global Oilfield Services LLC

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