FLUID DENSITY MEASUREMENT IN PIPES USING ACOUSTIC PRESSURES

Details for Australian Patent Application No. 2002339098 (hide)

Owner WEATHERFORD/LAMB, INC.

Inventors GYSLING, Daniel

Pub. Number AU-A-2002339098

PCT Number PCT/GB02/05004

PCT Pub. Number WO2003/040718

Priority 10/010,183 07.11.01 US

Filing date 5 November 2002

Wipo publication date 19 May 2003

International Classifications

G01N 029/02 Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves - Analysing fluids

G01F 001/66 Measuring volume flow - by measuring frequency, phase shift, or propagation time of electromagnetic or other waves, e.g. ultrasonic flowmeters

Event Publications

27 February 2003 Complete Application Filed

  Priority application(s): 10/010,183 07.11.01 US

24 July 2003 Application Open to Public Inspection

  Published as AU-A-2002339098

22 July 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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

2002339099-SAFETY MECHANISM FOR WEIGHTSET DOWNHOLE TOOL

2002339097-SPARK PLUG