DOI: https://doi.org/10.26089/NumMet.v19r110

Surface relaxation effect on nuclear magnetic resonance flow propagators

Authors

  • K.L. Klimenok
  • A.Yu. Demianov
  • O.Yu. Dinariev

Keywords:

numerical simulation
nuclear magnetic resonance
flow propagator
passive admixture transport
surface relaxation

Abstract

This paper is devoted to the development of the approach proposed earlier by the authors to the numerical simulation of nuclear magnetic resonance flow propagators in porous media. The agreement between the flow propagator and the admixture relative dispersion is discussed in detail and a theoretical conclusion on this fact is given. The conditions under which this conclusion is valid are also discussed. It is shown that the laboratory experiments do not take into account them because of relaxation processes in fluids. The influence of these processes is shown by numerical simulation. A method for the surface relaxivity effect estimation is developed.

New computational technologies

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Published

2018-03-23

Issue

Vol. 19 (2018): Issue 1.

Section

Section 1. Numerical methods and applications

Author Biographies

K.L. Klimenok

Moscow Institute of Physics and Technology
• PhD Student

A.Yu. Demianov

Schlumberger Moscow Research Center
• Senior Researcher

O.Yu. Dinariev

Schlumberger Moscow Research Center
• Leading Researcher

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