Apparatus and method for driving casing or conductor pipe

Details for Australian Patent Application No. 2006251059 (hide)

Owner BP Exploration Operating Company Limited

Inventors Luo, Yuejin

Agent Griffith Hack

Pub. Number AU-A-2006251059

PCT Pub. Number WO2006/125948

Priority 0510670.3 25.05.05 GB

Filing date 9 May 2006

Wipo publication date 30 November 2006

International Classifications

E21B 7/20 (2006.01) Special methods or apparatus for drilling - Driving or forcing casings or pipes into boreholes, e.g. sinking

E21B 7/18 (2006.01) Special methods or apparatus for drilling - Drilling by liquid or gas jets, with or without entrained pellets

E21B 21/12 (2006.01) Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor

E21B 43/10 (2006.01) Obtaining fluids from wells

Event Publications

13 December 2007 PCT application entered the National Phase

  PCT publication WO2006/125948 Priority application(s): WO2006/125948

14 January 2010 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(a). A direction to request examination has been given for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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