Open hole tractor with tracks

Details for Australian Patent Application No. 2004257928 (hide)

Owner Schlumberger Technology B.V.

Inventors Beguin, Paul J.; Guerrero, Julio C.; Doering, Falk W.; Roy, Carl J.

Agent Griffith Hack

Pub. Number AU-B-2004257928

PCT Pub. Number WO2005/008023

Priority 60/487,699 16.07.03 US; 10/891,782 15.07.04 US

Filing date 16 July 2004

Wipo publication date 27 January 2005

Acceptance publication date 18 December 2008

International Classifications

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

E21B 23/14 (2006.01) Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells

Event Publications

2 February 2006 PCT application entered the National Phase

  PCT publication WO2005/008023 Priority application(s): WO2005/008023

6 July 2006 Assignment before Grant

  Sofitech N.V. The application has been assigned to Schlumberger Technology B.V.

18 December 2008 Application Accepted

  Published as AU-B-2004257928

23 April 2009 Standard Patent Sealed

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