Downhole surge pressure reduction and filtering apparatus

Details for Australian Patent Application No. 2001237639 (hide)

Owner Weatherford/Lamb, Inc.

Inventors Haugen, David Michael; Scott, Thad Joseph; Giroux, Richard Lee; Pedersen, Gerald Dean

Agent Fraser Old & Sohn

Pub. Number AU-B-2001237639

PCT Pub. Number WO01/69036

Priority 09524180 13.03.00 US

Filing date 12 March 2001

Wipo publication date 24 September 2001

Acceptance publication date 1 December 2005

International Classifications

E21B 021/10 Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor

E21B 043/10 Obtaining fluids from wells

E21B 033/14 Sealing or packing boreholes or wells

E21B 037/00 Methods or apparatus for cleaning boreholes or wells

Event Publications

1 December 2005 Application Accepted

  Published as AU-B-2001237639

30 March 2006 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

2001237641

2001237638