THERMALLY INSULATING FLUID

Details for Australian Patent Application No. 2003251994 (hide)

Owner TETRA TECHNOLOGIES, INC.

Inventors WEYMAN, Dunaway, H.; CARTER, Tom, S.; MURPHY, Joseph, R.; MISHRA, Surendra, K.

Pub. Number AU-A-2003251994

PCT Number PCT/US03/22364

PCT Pub. Number WO2004/009953

Priority 10/199,275 19.07.02 US

Filing date 17 July 2003

Wipo publication date 9 February 2004

International Classifications

E21B 036/00 Heating, cooling, or insulating arrangements for boreholes or wells, e.g. for use in permafrost zones

C09K 005/20 Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants

Event Publications

16 October 2003 Complete Application Filed

  Priority application(s): 10/199,275 19.07.02 US

18 March 2004 Application Open to Public Inspection

  Published as AU-A-2003251994

21 April 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(f)/See Reg. 8.3(3). Examination has not yet been requested or directed for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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