Owner Schlumberger Technology B.V.

Inventors Freedman, Robert

Agent Griffith Hack

Pub. Number AU-B-2005200959

Priority 10/836788 30.04.04 US

Filing date 2 March 2005

Wipo publication date 17 November 2005

Acceptance publication date 23 August 2007

E21B 47/00 (2006.01) Survey of boreholes or wells

E21B 49/08 (2006.01) Testing the nature of borehole walls

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

G01N 33/00 (2006.01) Investigating or analysing materials by specific methods not covered by groups

G01N 33/26 (2006.01) Investigating or analysing materials by specific methods not covered by groups - Oils

G01V 3/00 (2006.01) Electric or magnetic prospecting or detecting

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

G01V 3/38 (2006.01) Electric or magnetic prospecting or detecting - Processing data, e.g. for analysis, for interpretation or for correction

G01V 9/00 (2006.01) Prospecting or detecting by methods not provided for in groups

G01V 11/00 (2006.01) Prospecting or detecting by methods combining techniques covered by two or more of main groups