CYLINDRICAL WELL SCREEN HAVING LONGITUDINAL SKID RODS

Details for Australian Patent Application No. 2003230239 (hide)

Owner NAGAOKA, Tadayoshi

Inventors NAGAOKA, Tadayoshi

Pub. Number AU-A-2003230239

PCT Number PCT/JP03/04801

PCT Pub. Number WO2003/091536

Priority NO.2002-125383 26.04.02 JP

Filing date 16 April 2003

Wipo publication date 10 November 2003

International Classifications

E21B 043/08 Obtaining fluids from wells

B01D 029/15 Other filters with filtering elements stationary during filtration, e.g. pressure or suction filters, or filtering elements therefor

Event Publications

14 August 2003 Complete Application Filed

  Priority application(s): NO.2002-125383 26.04.02 JP

18 December 2003 Application Open to Public Inspection

  Published as AU-A-2003230239

13 January 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(f)/See Reg. 8.3(3). Examination has not yet been requested or directed for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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

2003230240-Method and system for on-line dynamical screening of electric power system

2003230238-SAND SCREEN HAVING A MULTIPLE WELDED WEDGE-WIRE STRUCTURE