Bi-directional grip mechanism for a wide range of bore sizes

Details for Australian Patent Application No. 2002300367 (hide)

Owner Sofitech N.V.

Inventors Roy, Carl J.; Post, Roger A.; Sheiretov, Todor K.; Cordera, Joseph F.

Agent Griffith Hack

Pub. Number AU-B-2002300367

Priority 09/921825 03.08.01 US

Filing date 1 August 2002

Wipo publication date 12 June 2003

Acceptance publication date 31 May 2007

International Classifications

E21B 47/00 (2006.01) Survey of 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

F16L 55/00 (2006.01) Devices or appurtenances for use in, or in connection with, pipes or pipe systems

Event Publications

12 June 2003 Application Open to Public Inspection

  Published as AU-B-2002300367

31 May 2007 Application Accepted

  Published as AU-B-2002300367

27 September 2007 Standard Patent Sealed

17 April 2008 Assignment Registered

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

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