Continuous wellbore drilling system with stationary sensor measurements

Details for Australian Patent Application No. 2004202045 (hide)

Owner Baker Hughes Incorporated

Inventors Krueger, Volker

Agent Freehills

Pub. Number AU-B-2004202045

Parent 774168

Filing date 13 May 2004

Wipo publication date 10 June 2004

Acceptance publication date 25 October 2007

International Classifications

E21B 4/18 (2006.01) Drives for drilling, used in the borehole

E21B 44/00 (2006.01) Automatic control

E21B 47/00 (2006.01) Survey of boreholes or wells

E21B 47/01 (2006.01) Survey of boreholes or wells

Event Publications

27 May 2004 Complete Application Filed

10 June 2004 Application Open to Public Inspection

  Published as AU-B-2004202045

25 October 2007 Application Accepted

  Published as AU-B-2004202045

21 February 2008 Standard Patent Sealed

4 March 2010 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This patent ceased under section 143(a), or Expired. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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