Methods and compositions for thermally treating a conduit used for hydrocarbon production or transmission to help remove paraffin wax buildup

Details for Australian Patent Application No. 2007297293 (hide)

Owner Halliburton Energy Services, Inc.

Inventors Todd, Bradley L.; Arrington, Steve; Sarkar, Diptabhas; Robb, Ian D.; Powell, Roland

Agent Callinan

Pub. Number AU-A-2007297293

PCT Pub. Number WO2008/032067

Priority 11/521,530 14.09.06 US; 11/521,105 14.09.06 US; 11/521,529 14.09.06 US

Filing date 13 September 2007

Wipo publication date 20 March 2008

International Classifications

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

E21B 37/06 (2006.01) Methods or apparatus for cleaning boreholes or wells

F16L 53/00 (2006.01) Heating or cooling pipes or pipe systems

Event Publications

1 May 2008 PCT application entered the National Phase

  PCT publication WO2008/032067 Priority application(s): WO2008/032067

21 July 2011 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(a). A direction to request examination has been given for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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