LIQUIFIED MATERIAL SQUEEZING METHOD AND APPARATUS FOR OIL AND GAS WELLS

Details for Australian Patent Application No. 2003206596 (hide)

Owner CANITRON SYSTEMS, INC.

Inventors SPENCER, Homer, L.

Pub. Number AU-A-2003206596

PCT Number PCT/CA03/00282

PCT Pub. Number WO2003/072905

Priority 10/084,986 27.02.02 US; 10/177,726 20.06.02 US; 10/251,339 19.09.02 US

Filing date 27 February 2003

Wipo publication date 9 September 2003

International Classifications

E21B 033/14 Sealing or packing boreholes or wells

E21B 036/04 Heating, cooling, or insulating arrangements for boreholes or wells, e.g. for use in permafrost zones

E21B 033/138 Sealing or packing boreholes or wells - Plastering the borehole wall

Event Publications

17 July 2003 Complete Application Filed

  Priority application(s): 10/084,986 27.02.02 US; 10/177,726 20.06.02 US; 10/251,339 19.09.02 US

16 October 2003 Application Open to Public Inspection

  Published as AU-A-2003206596

23 October 2003 Application Open to Public Inspection

  Published as AU-A-2003206596

11 November 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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