Ram bop position sensor

Details for Australian Patent Application No. 2008216253 (hide)

Owner Hydril USA Manufacturing LLC

Inventors Judge, Robert Arnold; Dietz, David; Milne, Eric

Agent Davies Collison Cave

Pub. Number AU-A-2008216253

PCT Pub. Number WO2008/101005

Priority 11/675,861 16.02.07 US; 12/026,851 06.02.08 US

Filing date 13 February 2008

Wipo publication date 21 August 2008

International Classifications

E21B 44/00 (2006.01) Automatic control

E21B 47/00 (2006.01) Survey of boreholes or wells

Event Publications

20 August 2009 PCT application entered the National Phase

  PCT publication WO2008/101005 Priority application(s): WO2008/101005

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