Anti-stall tool for downhole drilling assemblies

Details for Australian Patent Application No. 2009204315 (hide)

Owner Western Well Tool, Inc.

Inventors Mock, Philip Wayne; Krueger, Rudolph Ernst

Agent FB Rice

Pub. Number AU-B-2009204315

PCT Pub. Number WO2009/089187

Priority 61/009,972 03.01.08 US; 61/082,931 23.07.08 US

Filing date 5 January 2009

Wipo publication date 16 July 2009

Acceptance publication date 2 February 2012

International Classifications

E21B 44/00 (2006.01) Automatic control

E21B 44/06 (2006.01) Automatic control

Event Publications

22 July 2010 Amendment Made

  The nature of the amendment is: Amend the coinventor name from Mock, Phillp Wayne to Mock, Philip Wayne

22 July 2010 PCT application entered the National Phase

  PCT publication WO2009/089187 Priority application(s): WO2009/089187

2 February 2012 Application Accepted

  Published as AU-B-2009204315

31 May 2012 Standard Patent Sealed

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