Use of swellable material in an annular seal element to prevent leakage in subterranean well

Details for Australian Patent Application No. 2009316835 (hide)

Owner HALLIBURTON ENERGY SERVICES, INC.

Inventors Webb, Earl; Allison, David B.; Sevre, Alf K.; Macdonald, Michael; Bozeman, Timothy

Agent Callinan

Pub. Number AU-A-2009316835

PCT Pub. Number WO2010/059557

Priority 12/276,790 24.11.08 US

Filing date 16 November 2009

Wipo publication date 27 May 2010

International Classifications

E21B 33/12 (2006.01) Sealing or packing boreholes or wells - Packers

Event Publications

26 May 2011 PCT application entered the National Phase

  PCT publication WO2010/059557 Priority application(s): WO2010/059557

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