Downhole assembly releasable connection

Details for Australian Patent Application No. 2002346541 (hide)

Owner Halliburton Energy Services, Inc.

Inventors Chang, Chi-Huang Michael; Estep, James W

Agent Pizzeys

Pub. Number AU-B-2002346541

PCT Number PCT/US02/37914

PCT Pub. Number WO2003/048501

Priority 09/998,125 30.11.01 US

Filing date 26 November 2002

Wipo publication date 17 June 2003

Acceptance publication date 15 March 2007

International Classifications

E21B 4/12 (2006.01) Drives for drilling, used in the borehole

E21B 17/06 (2006.01) Drilling rods or pipes

E21B 23/00 (2006.01) Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells

Event Publications

13 March 2003 Complete Application Filed

  Priority application(s): 09/998,125 30.11.01 US

21 August 2003 Application Open to Public Inspection

  Published as AU-B-2002346541

15 March 2007 Application Accepted

  Published as AU-B-2002346541

12 July 2007 Standard Patent Sealed

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