Cementing sub for annulus cementing

Details for Australian Patent Application No. 2009253700 (hide)

Owner Packers Plus Energy Services Inc.

Inventors Themig, Daniel Jon

Agent FB Rice

Pub. Number AU-A-2009253700

PCT Pub. Number WO2009/143628

Priority 61/057,402 30.05.08 US

Filing date 1 June 2009

Wipo publication date 3 December 2009

International Classifications

E21B 33/14 (2006.01) Sealing or packing boreholes or wells

E21B 17/00 (2006.01) Drilling rods or pipes

E21B 33/124 (2006.01) Sealing or packing boreholes or wells

E21B 34/14 (2006.01) Valve arrangements for boreholes or wells

Event Publications

6 January 2011 PCT application entered the National Phase

  PCT publication WO2009/143628 Priority application(s): WO2009/143628

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