METHOD AND DEVICE FOR ACOUSTIC SIGNAL TRANSMISSION IN A DRILLSTRING

Details for Australian Patent Application No. 2002362667 (hide)

Owner BAKER HUGHES INCORPORATED

Inventors MACPHERSON, John, D.

Pub. Number AU-A-2002362667

PCT Number PCT/US02/32398

PCT Pub. Number WO2003/031772

Priority 09/974,960 11.10.01 US

Filing date 9 October 2002

Wipo publication date 22 April 2003

International Classifications

E21B 047/16 Survey of boreholes or wells

Event Publications

15 May 2003 Complete Application Filed

  Priority application(s): 09/974,960 11.10.01 US

3 July 2003 Application Open to Public Inspection

  Published as AU-A-2002362667

1 July 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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

2002362668-DIFFERENTIALLY ENTANGLED NONWOVEN FABRIC FOR USE AS WIPES

2002362666-STRUCTURE FOR SUPPORTING A PHOTOVOLTAIC MODULE IN A SOLAR ENERGY COLLECTION SYSTEM