Determination of azimuthal offset and radius of curvature in a deviated borehole using periodic drill string torque measurements

Details for Australian Patent Application No. 2009200330 (hide)

Owner Precision Energy Services, Inc.

Inventors Farley, Steven Reid

Agent Fisher Adams Kelly

Pub. Number AU-B-2009200330

Priority 12/110,460 28.04.08 US

Filing date 30 January 2009

Wipo publication date 12 November 2009

Acceptance publication date 5 August 2010

International Classifications

E21B 7/04 (2006.01) Special methods or apparatus for drilling - Directional drilling

Event Publications

12 February 2009 Complete Application Filed

  Priority application(s): 12/110,460 28.04.08 US

12 November 2009 Application Open to Public Inspection

  Published as AU-B-2009200330

5 August 2010 Application Accepted

  Published as AU-B-2009200330

2 December 2010 Standard Patent Sealed

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