Drill bit bearing contact pressure reduction

Details for Australian Patent Application No. 2011205611 (hide)

Owner HALLIBURTON ENERGY SERVICES, INC.

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

Agent Callinan

Pub. Number AU-A-2011205611

PCT Pub. Number WO2011/088477

Priority 12/685,807 12.01.10 US

Filing date 18 February 2011

Wipo publication date 21 July 2011

International Classifications

E21B 10/22 Drilling tools

F16C 33/76 Details or accessories of bearings - of ball or roller bearings

Event Publications

21 June 2012 PCT application entered the National Phase

  PCT publication WO2011/088477 Priority application(s): WO2011/088477

Legal

The information provided by the Site not in the nature of legal or other professional advice. The information provided by the Site is derived from third parties and may contain errors. You must make your own enquiries and seek independent advice from the relevant industry professionals before acting or relying on any information contained herein. Check the above data against the Australian Patent Office AUSPAT database.

Next and Previous Patents/Applications

2011205612-Bearing contact pressure reduction in well tools

2011205605-Device