System for steering a drill string

Details for Australian Patent Application No. 2007334141 (hide)

Owner Hall, D.

Inventors Hall, David R.; Lundgreen, David; Turner, Paula; Shumway, Jim

Agent Shelston IP

Pub. Number AU-A-2007334141

PCT Pub. Number WO2008/076625

Priority 11/837,321 10.08.07 US; 11/611,310 15.12.06 US; 11/668,341 29.01.07 US; 11/673,872 12.02.07 US

Filing date 4 December 2007

Wipo publication date 26 June 2008

International Classifications

E21B 10/26 (2006.01) Drilling tools - Drill bits with leading portion, i.e. drill bits with a pilot cutter

Event Publications

2 July 2009 PCT application entered the National Phase

  PCT publication WO2008/076625 Priority application(s): WO2008/076625

17 June 2010 Assignment before Grant

  Hall, David The application has been assigned to Schlumberger Technology Corporation 2008

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

2007334144-Method and device for improving efficiency of breathing

2007334123-A radial spring latch apparatus and methods for making and using same