System and method for dynamic sealing around a drill stem

Details for Australian Patent Application No. 2006267188 (hide)

Owner Siem Wis AS

Inventors Edvardsen, Per Espen; Askeland, Tom Kjetil

Agent Madderns

Pub. Number AU-B-2006267188

PCT Pub. Number WO2007/008085

Priority 2005 3394 13.07.05 NO

Filing date 12 July 2006

Wipo publication date 18 January 2007

Acceptance publication date 24 June 2010

International Classifications

E21B 33/035 (2006.01) Sealing or packing boreholes or wells

E21B 7/128 (2006.01) Special methods or apparatus for drilling

E21B 10/60 (2006.01) Drilling tools

E21B 33/08 (2006.01) Sealing or packing boreholes or wells

Event Publications

28 February 2008 PCT application entered the National Phase

  PCT publication WO2007/008085 Priority application(s): WO2007/008085

24 June 2010 Application Accepted

  Published as AU-B-2006267188

21 October 2010 Standard Patent Sealed

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