Methods for measuring flow velocity in a wellbore using NMR and applications using same

Details for Australian Patent Application No. 2005200133 (hide)

Owner Schlumberger Technology B.V.

Inventors Poitzsch, Martin E; Pop, Julian; Speier, Peter

Agent Griffith Hack

Pub. Number AU-A-2005200133

Parent 2002300756

Filing date 12 January 2005

Wipo publication date 3 February 2005

Acceptance publication date 18 October 2007

International Classifications

G01F 001/716 Measuring volume flow

G01V 003/14 Electric or magnetic prospecting or detecting - operating with electron or nuclear magnetic resonance

Event Publications

27 January 2005 Complete Application Filed

3 February 2005 Application Open to Public Inspection

  Published as AU-A-2005200133

18 October 2007 Application Accepted

  Published as AU-A-2005200133

14 February 2008 Standard Patent Sealed

22 March 2012 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This patent ceased under section 143(a), or Expired. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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