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Permanent link (DOI): https://doi.org/10.7939/R3402V

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Numerical simulation of dynamic spontaneous imbibition with variable inlet saturation and interfacial coupling effects using Bentsen’s transport equation Open Access

Descriptions

Other title
Subject/Keyword
Variable Inlet Saturation
Imbibition
Interfacial Coupling
Numerical Simulation
Type of item
Thesis
Degree grantor
University of Alberta
Author or creator
Yazzan Kountar, Saddam
Supervisor and department
Dr. Bentsen, Ramon G. (Civil and Environmental Engineering)
Dr. Trivedi, Japan (Civil and Environmental Engineering)
Examining committee member and department
Dr. Mitra, Sushanta (Mechanical Engineering)
Dr. Bentsen, Ramon G. (Civil and Environmental Engineering)
Dr. Trivedi, Japan (Civil and Environmental Engineering)
Department
Department of Civil and Environmental Engineering
Specialization

Date accepted
2009-11-20T17:52:49Z
Graduation date
2010-06
Degree
Master of Science
Degree level
Master's
Abstract
In oil recovery from fractured reservoirs, Dynamic Spontaneous Imbibition (DSI) plays an important role. Conventional equations used to characterize DSI neglect interfacial coupling effects (ICE). Moreover, no numerical model has considered a variable inlet saturation (S*) for DSI. An iteration scheme has been developed to solve Bentsen’s Transport Equation using a Lagrangian Formulation for which initial and boundary conditions have been derived to take into account a variable S* and ICE. A sensitivity analysis has been conducted to study the effect of the fluid and rock properties on DSI. The results reveal that including a variable S* has insignificant impact; however, neglecting ICE results in an overestimation of the imbibition flow rate. It is important to mention that, based on the results of this study, the capillary and relative permeability curves determine the type of frontal advance, and that the imbibition recovery is proportional to the square root of time.
Language
English
DOI
doi:10.7939/R3402V
Rights
License granted by Saddam Yazzan Kountar (saddam@ualberta.ca) on 2009-11-20T15:46:23Z (GMT): Permission is hereby granted to the University of Alberta Libraries to reproduce single copies of this thesis and to lend or sell such copies for private, scholarly or scientific research purposes only. Where the thesis is converted to, or otherwise made available in digital form, the University of Alberta will advise potential users of the thesis of the above terms. The author reserves all other publication and other rights in association with the copyright in the thesis, and except as herein provided, neither the thesis nor any substantial portion thereof may be printed or otherwise reproduced in any material form whatsoever without the author's prior written permission.
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