Tapered spline connection for drill pipe, casing and tubing

Details for Australian Patent Application No. 2011210293 (hide)

Owner Sunstone Technologies, LLC

Inventors Hughes, William James; Lane, Bryan; Briggs, Gary Marshall

Agent Madderns

Pub. Number AU-A-2011210293

PCT Pub. Number WO2011/092630

Priority 12/695,569 28.01.10 US

Filing date 25 January 2011

Wipo publication date 4 August 2011

International Classifications

E21B 17/02 Drilling rods or pipes - Couplings

Event Publications

9 August 2012 PCT application entered the National Phase

  PCT publication WO2011/092630 Priority application(s): WO2011/092630

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