A device for monitoring of oil-water interface

Details for Australian Patent Application No. 2004221500 (hide)

Owner Norsk Hydro ASA

Inventors Johnstad, Svein Erling; Westerdahl, Harald; Kong, Fan-Nian

Agent Phillips Ormonde Fitzpatrick

Pub. Number AU-B-2004221500

PCT Pub. Number WO2004/083790

Priority 20031306 21.03.03 NO

Filing date 19 March 2004

Wipo publication date 30 September 2004

Acceptance publication date 17 September 2009

International Classifications

G01V 3/30 (2006.01) Electric or magnetic prospecting or detecting

E21B 47/04 (2006.01) Survey of boreholes or wells - Measuring depth or liquid level

G01F 23/284 (2006.01) Level indicators - Electromagnetic waves

Event Publications

6 October 2005 PCT application entered the National Phase

  PCT publication WO2004/083790 Priority application(s): WO2004/083790

17 September 2009 Application Accepted

  Published as AU-B-2004221500

21 January 2010 Standard Patent Sealed

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