Bottomhole assembly

Details for Australian Patent Application No. 2003302036 (hide)

Owner Shell Internationale Research Maatschappij B.V.

Inventors Murphy, Eugene Andrew; Runia, Douwe Johannes

Agent Spruson & Ferguson

Pub. Number AU-B-2003302036

PCT Number PCT/EP2003/0508

PCT Pub. Number WO2004/046505

Priority 60/426,648 15.11.02 US

Filing date 13 November 2003

Wipo publication date 15 June 2004

Acceptance publication date 14 June 2007

International Classifications

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

E21B 4/02 (2006.01) Drives for drilling, used in the borehole

E21B 10/18 (2006.01) Drilling tools

E21B 10/62 (2006.01) Drilling tools

Event Publications

8 July 2004 Complete Application Filed

  Priority application(s): 60/426,648 15.11.02 US

15 July 2004 Application Open to Public Inspection

  Published as AU-B-2003302036

14 June 2007 Application Accepted

  Published as AU-B-2003302036

11 October 2007 Standard Patent Sealed

9 December 2010 Assignment Registered

  Shell Internationale Research Maatschappij B.V. The patent has been assigned to Thrubit B.V.

25 October 2012 Assignment Registered

  Thrubit B.V. The patent has been assigned to Schlumberger Holdings Limited

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