Ball drop module

Details for Australian Patent Application No. 2011207216 (hide)

Owner SMITH INTERNATIONAL, INC.

Inventors Gill, William C.; Harris, Michael J.; Abraham, Aju; Costo, Robert James

Agent Griffith Hack

Pub. Number AU-A-2011207216

PCT Pub. Number WO2011/091140

Priority 13/009,587 19.01.11 US; 61/297,022 21.01.10 US

Filing date 20 January 2011

Wipo publication date 28 July 2011

International Classifications

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

E21B 34/14 Valve arrangements for boreholes or wells

Event Publications

2 August 2012 PCT application entered the National Phase

  PCT publication WO2011/091140 Priority application(s): WO2011/091140

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