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Fenômenos de Relaxação, Difusão e Convecção em Medidas de Ressonância Magnética Nuclear
- Publisher: European Association of Geoscientists & Engineers
- Source: Conference Proceedings, 9th International Congress of the Brazilian Geophysical Society, Sep 2005, cp-160-00014
Abstract
Several important reservoir parameters such as permeability and irreducible water saturation are difficult to measure by logs. Nuclear resonance involving free precession of the total magnetic momentum as described by the CPMG pulse sequence has long promised to measure these parameters.