Focal bearing assembly and bearing pre-load assembly for a steerable rotary drilling device

Details for Australian Patent Application No. 2003200408 (hide)

Owner Halliburton Energy Services, Inc.

Inventors Vandenberg, Elis; Hardin, Jr. John Ransford; Cargill, Edward James

Agent Davies Collison Cave

Pub. Number AU-B-2003200408

Parent 53841

Filing date 5 February 2003

Wipo publication date 10 April 2003

Acceptance publication date 20 October 2005

International Classifications

E21B 007/08 Special methods or apparatus for drilling

Event Publications

20 February 2003 Complete Application Filed

10 April 2003 Application Open to Public Inspection

  Published as AU-B-2003200408

20 October 2005 Application Accepted

  Published as AU-B-2003200408

16 February 2006 Standard Patent Sealed

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