Document Detail


Estimation of porous media flow functions using NMR imaging data.
MedLine Citation:
PMID:  9803946     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Nuclear magnetic resonance (NMR) imaging data measured during two-phase displacement experiments on porous rock core samples are used in an inverse problem methodology to estimate the two-phase flow functions relative permeability and capillary pressure. Nuclear magnetic resonance imaging data contain valuable information about variation of fluid states within the core sample and are therefore important for accurate estimation of these properties. A precise agreement between measured data, which also includes pressure drop across the core samples, and the data simulated by using the estimated flow functions is found, indicating accurate flow function estimates.
Authors:
R Kulkarni; A T Watson; J E Nordtvedt
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Magnetic resonance imaging     Volume:  16     ISSN:  0730-725X     ISO Abbreviation:  Magn Reson Imaging     Publication Date:    1998 Jun-Jul
Date Detail:
Created Date:  1999-02-24     Completed Date:  1999-02-24     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  8214883     Medline TA:  Magn Reson Imaging     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  707-9     Citation Subset:  IM    
Affiliation:
Department of Chemical Engineering, Texas A&M University, College Station 77843-3122, USA.
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MeSH Terms
Descriptor/Qualifier:
Alkanes
Computer Simulation
Deuterium Oxide
Diffusion
Geologic Sediments / analysis*
Humans
Magnetic Resonance Imaging
Magnetic Resonance Spectroscopy*
Porosity
Rheology*
Chemical
Reg. No./Substance:
0/Alkanes; 544-76-3/n-hexadecane; 7789-20-0/Deuterium Oxide

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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