Method and apparatus for controlling precession in a drilling assembly

Details for Australian Patent Application No. 2008270861 (hide)

Owner Validus International, LLC

Inventors Schuh, Frank J.

Agent Davies Collison Cave

Pub. Number AU-A-2008270861

PCT Pub. Number WO2009/005976

Priority 11/770,851 29.06.07 US

Filing date 11 June 2008

Wipo publication date 8 January 2009

International Classifications

E21B 49/02 (2006.01) Testing the nature of borehole walls

Event Publications

28 January 2010 PCT application entered the National Phase

  PCT publication WO2009/005976 Priority application(s): WO2009/005976

12 July 2012 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(a). A direction to request examination has been given for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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