Pressure control system

Details for Australian Patent Application No. 2009236461 (hide)

Owner M-I LLC

Inventors Suter, Roger

Agent Pizzeys

Pub. Number AU-A-2009236461

PCT Pub. Number WO2009/129103

Priority 12/104,106 16.04.08 US

Filing date 8 April 2009

Wipo publication date 22 October 2009

International Classifications

E21B 21/10 (2006.01) Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor

F16K 3/314 (2006.01) Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing

F16K 11/044 (2006.01) Multiple-way valves, e.g. mixing valves

F16K 31/122 (2006.01) Operating means - the fluid acting on a piston

F16K 47/00 (2006.01) Means in valves for absorbing fluid energy

Event Publications

4 November 2010 PCT application entered the National Phase

  PCT publication WO2009/129103 Priority application(s): WO2009/129103

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