An nmr probe and method using powdered soft magnetic material

Details An nmr probe and method using powdered soft magnetic material An nmr probe and method using powdered soft magnetic material

G - Physics

01

R

G01R 33/32 (2006.01) G01R 33/34 (2006.01) G01R 33/44 (2006.01) G01V 3/32 (2006.01)

Patent

CA 2413120

An NMR probe movable through a bore hole (3) of a formation has a core (22) of a powdered high saturation flux density soft magnetic material with an elongated permanent magnet (21) which has a magnetic dipole moment. The structural geometry of the NMR probe facilitates the use of a powdered high saturation flux density soft magnetic material, which has a relatively low magnetic permeability in the core of the device.

Cette sonde R. M. N. pouvant se déplacer dans le trou de forage (3) d'une formation, comporte un noyau (22) fait d'un matériau à aimantation temporaire en poudre à induction de saturation élevée avec un aimant permanent allongé (21) possédant un moment dipolaire magnétique. La géométrie de structure de cette sonde R. M. N. facilite l'emploi d'un matériau à aimantation temporaire en poudre à induction de saturation élevée dont la perméabilité magnétique dans le noyau du dispositif est relativement faible.

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