Method and appartus for characterizing heavy oil components...

G - Physics – 01 – V

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G01V 3/32 (2006.01)

Patent

CA 2646456

A method (300) for obtaining a parameter of interest relating to a region (165) investigated by a nuclear magnetic resonance (NMR) tool (100) and a non-NMR tool (170) is disclosed. Data arising from the NMR tool (100) is acquired (305), and data arising from the non-NMR tool (170) is acquired (310). A solution equation is utilized (315) for NMR signal intensity, the solution equation being functionally related to the NMR data, and a solution constraint is utilized (320) based at least partially on the non-NMR data. The solution equation is solved (325) for the signal intensity subject to the solution constraint, wherein the solving (325) provides information relating to the parameter of interest.

L'invention présente un procédé (300) permettant d'obtenir un paramètre d'intérêt concernant une région (165) investiguée par un outil de résonance magnétique nucléaire (RMN) (100) et un outil sans RMN (170). Les données provenant de l'outil RMN (100) sont acquises (305) et les données provenant de l'outil sans RMN (170) sont acquises (310). Une équation de solution est utilisée (315) pour l'intensité de signal RMN, l'équation de solution étant fonctionnellement liée aux données RMN, et une contrainte de solution est utilisée (320) en se basant au moins partiellement sur les données sans RMN. L'équation de solution est résolue (325) pour l'intensité de signal en tenant compte de la contrainte de solution, laquelle résolution (325) fournit des informations concernant le paramètre d'intérêt.

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