Insulating fluid and methods for preparing and insulating concentric piping

Details for Australian Patent Application No. 2007323801 (hide)

Owner Shell Internationale Research Maatschappij B.V.

Inventors Qiu, Xiaoping; Lo, Sho-Wei

Agent Spruson & Ferguson

Pub. Number AU-B-2007323801

PCT Pub. Number WO2008/064074

Priority 60/866,277 17.11.06 US

Filing date 15 November 2007

Wipo publication date 29 May 2008

Acceptance publication date 31 March 2011

International Classifications

E21B 36/00 (2006.01) Heating, cooling, or insulating arrangements for boreholes or wells, e.g. for use in permafrost zones

C09K 8/592 (2006.01) Compositions for drilling of boreholes or wells

E04B 1/74 (2006.01) Constructions in general - Heat, sound or noise insulation, absorption, or reflection

Event Publications

11 June 2009 PCT application entered the National Phase

  PCT publication WO2008/064074 Priority application(s): WO2008/064074

31 March 2011 Application Accepted

  Published as AU-B-2007323801

28 July 2011 Standard Patent Sealed

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