Bi-directional thruster pig apparatus and method of utilizing same

Details for Australian Patent Application No. 2002360342 (hide)

Owner Superior Energy Services, L.L.C.

Inventors Crawford, James R

Agent Freehills

Pub. Number AU-B-2002360342

PCT Number PCT/US02/35497

PCT Pub. Number WO2003/067016

Priority 10/114,439 02.04.02 US; 10/068,782 05.02.02 US

Filing date 5 November 2002

Wipo publication date 2 September 2003

Acceptance publication date 18 October 2007

International Classifications

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

E21B 17/10 (2006.01) Drilling rods or pipes

E21B 23/08 (2006.01) Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells

E21B 37/00 (2006.01) Methods or apparatus for cleaning boreholes or wells

Event Publications

3 April 2003 Complete Application Filed

  Priority application(s): 10/114,439 02.04.02 US; 10/068,782 05.02.02 US

25 September 2003 Application Open to Public Inspection

  Published as AU-B-2002360342

18 October 2007 Application Accepted

  Published as AU-B-2002360342

14 February 2008 Standard Patent Sealed

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