Underbalanced well drilling and production

Details for Australian Patent Application No. 2004286103 (hide)

Owner Stena Drilling Ltd.

Inventors Humphreys, Gavin

Agent Davies Collison Cave

Pub. Number AU-B-2004286103

PCT Pub. Number WO2005/042917

Priority 10/697,204 30.10.03 US

Filing date 25 October 2004

Wipo publication date 12 May 2005

Acceptance publication date 14 February 2008

International Classifications

E21B 21/00 (2006.01) Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor

E21B 19/00 (2006.01) Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick

E21B 21/08 (2006.01) Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor

E21B 33/038 (2006.01) Sealing or packing boreholes or wells

E21B 33/08 (2006.01) Sealing or packing boreholes or wells

Event Publications

11 May 2006 PCT application entered the National Phase

  PCT publication WO2005/042917 Priority application(s): WO2005/042917

14 February 2008 Application Accepted

  Published as AU-B-2004286103

12 June 2008 Standard Patent Sealed

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

2004286110-Thermal imaging system and method

2004286089-Running and cementing tubing