Method for estimating confined compressive strength for rock formations utilizing Skempton theory

Details for Australian Patent Application No. 2005316828 (hide)

Owner Chevron U.S.A. Inc.

Inventors Calhoun, William Malcolm; Ewy, Russell Thomas

Agent Freehills

Pub. Number AU-B-2005316828

PCT Pub. Number WO2006/065603

Priority 11/015,911 16.12.04 US

Filing date 9 December 2005

Wipo publication date 22 June 2006

Acceptance publication date 21 July 2011

International Classifications

G06F 17/10 (2006.01) Digital computing or data processing equipment or methods, specially adapted for specific functions - Complex mathematical operations

Event Publications

26 July 2007 PCT application entered the National Phase

  PCT publication WO2006/065603 Priority application(s): WO2006/065603

21 July 2011 Application Accepted

  Published as AU-B-2005316828

17 November 2011 Standard Patent Sealed

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