Method for predicting rate of penetration using bit-specific coefficients of sliding friction and mechanical efficiency as a function of confined compressive strength

Details for Australian Patent Application No. 2005316731 (hide)

International Classifications

Event Publications

19 July 2007 PCT application entered the National Phase

PCT publication WO2006/065678 Priority application(s): WO2006/065678

12 January 2012 Application Accepted

Published as AU-B-2005316731

10 May 2012 Standard Patent Sealed

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