Multi-level refined throttle manifold and automatic control system

Details for Australian Patent Application No. 2009354568 (hide)

Owner China University of Petroleum, Beijing Campus Beijing Union University

Inventors Liu, Gonghui; Zhu, Zhongxi; Li, Jun

Agent Neal Holliday

Pub. Number AU-A-2009354568

PCT Pub. Number WO2011/050500

Priority 200910207405.1 30.10.09 CN

Filing date 12 November 2009

Wipo publication date 5 May 2011

International Classifications

E21B 44/00 (2006.01) Automatic control

E21B 21/08 (2006.01) Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor

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

E21B 34/16 (2006.01) Valve arrangements for boreholes or wells

Event Publications

11 August 2011 PCT application entered the National Phase

  PCT publication WO2011/050500 Priority application(s): WO2011/050500

15 September 2011 Amendment Made

  The nature of the amendment is: Application is to proceed under the number 2009101354 2010

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