Apparatus and methods for wedge lock prevention

Details for Australian Patent Application No. 2009242489 (hide)

Owner Weatherford/Lamb, Inc.

Inventors Liess, Martin

Agent Spruson & Ferguson

Pub. Number AU-A-2009242489

PCT Pub. Number WO2009/135217

Priority 61/050,121 02.05.08 US; 61/126,301 02.05.08 US; 61/126,223 02.05.08 US

Filing date 4 May 2009

Wipo publication date 5 November 2009

International Classifications

E21B 17/03 (2006.01) Drilling rods or pipes

Event Publications

25 November 2010 PCT application entered the National Phase

  PCT publication WO2009/135217 Priority application(s): WO2009/135217

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