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Num. Meth. Prog., 2018, Volume 19, Issue 1, Pages 112–120 (Mi vmp903)  

Surface relaxation effect on nuclear magnetic resonance flow propagators

K. L. Klimenoka, A. Yu. Dem'yanovb, O. Yu. Dinarievb

a Moscow Institute of Physics and Technology, Department of Applied Mathematics and Control
b Schlumberger Moscow Research Center

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.

Keywords: numerical simulation, nuclear magnetic resonance, flow propagator, passive admixture transport, surface relaxation.

Full text: PDF file (1031 kB)
UDC: 537.635
Received: 09.01.2018

Citation: K. L. Klimenok, A. Yu. Dem'yanov, O. Yu. Dinariev, “Surface relaxation effect on nuclear magnetic resonance flow propagators”, Num. Meth. Prog., 19:1 (2018), 112–120

Citation in format AMSBIB
\Bibitem{KliDemDin18}
\by K.~L.~Klimenok, A.~Yu.~Dem'yanov, O.~Yu.~Dinariev
\paper Surface relaxation effect on nuclear magnetic resonance flow propagators
\jour Num. Meth. Prog.
\yr 2018
\vol 19
\issue 1
\pages 112--120
\mathnet{http://mi.mathnet.ru/vmp903}


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