Method for estimating formation productivity from nuclear magnetic resonance measurements

Details for Australian Patent Application No. 2009227856 (hide)

Owner Schlumberger Canada Limited

Inventors Minh, Chanh Cao

Agent Griffith Hack

Pub. Number AU-B-2009227856

Priority 12/263,570 03.11.08 US

Filing date 19 October 2009

Wipo publication date 20 May 2010

Acceptance publication date 10 November 2011

International Classifications

G01V 3/32 (2006.01) Electric or magnetic prospecting or detecting

G01F 22/00 (2006.01) Methods or apparatus for measuring volume of fluids or fluent solid material, not otherwise provided for

G01N 11/00 (2006.01) Investigating flow properties of materials, e.g. viscosity, plasticity

G01N 15/08 (2006.01) Investigating characteristics of particles - Investigating permeability, pore volume, or surface area of porous materials

G01N 24/08 (2006.01) Investigating or analysing materials by the use of nuclear magnetic resonance, electron paramagnetic resonance or other spin effects

G01R 33/46 (2006.01) Arrangements or instruments for measuring magnetic variables

Event Publications

5 November 2009 Complete Application Filed

  Priority application(s): 12/263,570 03.11.08 US

10 December 2009 Amendment Made

  The nature of the amendment is: Amend the name of the inventor from Minh, Chanh Ca to Minh, Chanh Cao

20 May 2010 Application Open to Public Inspection

  Published as AU-B-2009227856

10 November 2011 Application Accepted

  Published as AU-B-2009227856

8 March 2012 Standard Patent Sealed

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