Bearing contact pressure reduction in well tools

Details for Australian Patent Application No. 2011205612 (hide)

Owner HALLIBURTON ENERGY SERVICES, INC.

Inventors Sui, Ping C.; Weaver, Gary E.

Agent Callinan

Pub. Number AU-A-2011205612

PCT Pub. Number WO2011/088478

Priority 12/685,821 12.01.10 US

Filing date 18 February 2011

Wipo publication date 21 July 2011

International Classifications

E21B 7/08 Special methods or apparatus for drilling

E21B 47/024 Survey of boreholes or wells

Event Publications

21 June 2012 PCT application entered the National Phase

  PCT publication WO2011/088478 Priority application(s): WO2011/088478

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