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Relevant bibliographies by topics / Viscous fingering

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Dissertations / Theses

Academic literature on the topic 'Viscous fingering'

Author: Grafiati

Published: 4 June 2021

Last updated: 20 February 2023

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Dissertations / Theses on the topic "Viscous fingering"

1

Corvera, Poiré Eugenia. "Anisotropic viscous fingering." Thesis, McGill University, 1995. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=29002.

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We have qualitatively explained the experiments of McCloud and Maher (McCloud and Maher (95)) for the viscous fingering problem in which an anisotropy in the surface tension parameter was imposed by engraving a grid in one of the plates of the Hele-Shaw cell. We saw the need to approach the problem in an analytical form. Therefore we decided to extend solvability theory to incorporate the effect of anisotropy. We have introduced the anisotropy through a moving boundary condition by considering an effective anisotropic surface tension with an anisotropy entering as the simplest cosine term havi

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2

Beeson-Jones, Timothy. "Controlling viscous fingering." Thesis, University of Cambridge, 2018. https://www.repository.cam.ac.uk/handle/1810/275358.

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Viscous fingering occurs when one fluid displaces another fluid of a greater viscosity in a porous medium or a Hele-Shaw cell. Linear stability analysis is used to predict methods of suppressing instability. Then, experiments in which nonlinear growth dominates pattern formation are analysed to explore the nonlinear impact of strategies of suppressing finger growth. Often, chemical treatment fluid is injected into oil reservoirs in order to prevent sand production. This treatment fluid is usually followed by water injection to clean up the well. We explore the potential for viscous instability

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3

Rees, S. "Stochastic computer simulations of viscous fingering." Thesis, University of Cambridge, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.235262.

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This thesis aims to develop a computer simulation of the process that occurs when one displaces a viscous fluid such as oil by a less viscous one such as water in a porous medium. Chapter 1 outlines the problem and explains why a computer simulation rather than analytical treatment is necessary for the problem. Previous computer simulations of the problem are reviewed and their respective advantages and disadvantages are considered. Chapter 2 introduces the concept of 'simulated annealing', a stochastic computational technique for solving minimisation problems with many variables and this tech

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4

Zacharoudiou, Ioannis. "Viscous fingering and liquid crystals in confinement." Thesis, University of Oxford, 2012. http://ora.ox.ac.uk/objects/uuid:09b37fb9-5a93-4ea2-8f4f-4e5e70c5fc07.

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This thesis focuses on two problems lying within the field of soft condensed matter: the viscous fingering or Saffman-Taylor instability and nematic liquid crystals in confinement. Whenever a low viscosity fluid displaces a high viscosity fluid in a porous medium, for example water pushing oil out of oil reservoirs, the interface between the two fluids is rendered unstable. Viscous fingers develop, grow and compete until a single finger spans all the way from inlet to outlet. Here, using a free energy lattice Boltzmann algorithm, we examine the Saffman-Taylor instability for two different wett

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5

Chui, Jane (Jane Yuen Yung). "Understanding the evolution of miscible viscous fingering patterns." Thesis, Massachusetts Institute of Technology, 2012. http://hdl.handle.net/1721.1/78144.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering, 2012.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (p. 41-42).<br>Viscous fingering, the hydrodynamic instability that occurs when a lower viscosity fluid displaces a higher viscosity fluid, creates complex patterns in porous media flows. Fundamental facets of the displacement process, such as volumetric sweep and mixing efficiency, depend strongly on the type of pattern created by the uneven front of the less viscous fluid. The interface created from these fin

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6

Jha, Birendra S. M. Massachusetts Institute of Technology. "Numerical simulation of mixing in viscous-fingering displacements." Thesis, Massachusetts Institute of Technology, 2010. http://hdl.handle.net/1721.1/60809.

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Thesis (S.M. in Transportation)--Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering, 2010.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (p. 97-100).<br>Mixing of two fluids in viscously unstable displacements is far from being fully understood. It is not known how mixing efficiency depends on the viscosity contrast between the fluids, especially for advection-dominated flows (Peclet number Pe > 103). It is well known that when a less viscous fluid displaces a more viscous fluid, the displacement front is unstable and leads to

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7

Xie, Xuming. "Rigorous results in steady finger selection in viscous fingering /." The Ohio State University, 2000. http://rave.ohiolink.edu/etdc/view?acc_num=osu1488203857251402.

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8

Moyles, Iain. "Thermo-viscous fingering in porous media and in-situ soil remediation." Thesis, University of British Columbia, 2011. http://hdl.handle.net/2429/36926.

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The removal of artificially and naturally placed oils found in the ground is of paramount concern for environmental reasons and for the extraction of crude oil for energy. While many companies are involved in this soil remediation process, the physics of the underlying problem are not very well understood. We present a mathematical model and analysis of oil extraction in a porous soil based around the injection of water. We first consider a saturation analysis based on conservation of mass between oil and water in a one-dimensional setting and we find that based on certain parameter values,

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9

Ali, Ahmed Moge. "Viscous fingering phenomenon in water and polymer injection processes in enhanced oil recovery." Thesis, London South Bank University, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.288097.

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10

Pereira, Bruno Miguel Ferreira. "Accounting for viscous fingering in relative permeability estimation of special core analysis measurements." Thesis, Heriot-Watt University, 2017. http://hdl.handle.net/10399/3374.

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Relative permeability (kr) is a critical input data for any calculation involving multiphase flow in petroleum reservoirs. Normally, kr curves are obtained by performing coreflood experiments as part of SCAL measurements or EOR studies. The results of the experiments are then used to obtain kr values often by either analytical models (e.g. JBN) or history matching techniques. Most of these models are based on the Buckley-Leverett displacement theory and are not applicable to unstable displacements. Therefore, using these models to describe a core flood experiment involving viscous fingering wi

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