Efficient and Accurate simulation of nonlinearly coupled multiphase flow in porous media 25 August 2015 Meeneesh Kardale Title : Efficient and accurate simulation of nonlinearly coupled multiphase flow in porous media Author(s) : Meeneesh Kardale Date : 25 August 2015 Professor(s) : Dr. Hadi Hajibeygi Supervisor(s) : Matteo Cusini Postal Address : Section for Petroleum Engineering Department of Geoscience and Engineering Delft University of Technology P.O. Box 5028 The Netherlands Telephone : (31) 15 2781328 (secretary) Telefax : (31) 15 2781189 Copyright (cid:13)c 2015 Section of Petroleum Engineering All rights reserved. No parts of this publication may be reproduced, Stored in a retrieval system, or transmitted, In any form or by any means, electronic, Mechanical, photocopying, recording, or otherwise, Without the prior written permission of the Sec- tion of Petroleum Engineering Delft University of Technology Faculty of Civil Engineering and Geosciences Department of Geoscience & Engineering Efficient and Accurate simulation of nonlinearly coupled multiphase flow in porous media Thesis submitted to the Delft University of Technology in partial fulfilment of the requirements for the degree by Meeneesh Kardale [email protected] Delft, The Netherlands 25 August 2015 Copyright (cid:13)c Meeneesh Kardale. All rights reserved. An electronic version of this dissertation is available at http://repository.tudelft.nl/ 2 Author Meeneesh Kardale MSc. Student [email protected] Track: Petroleum Engineering & Geosciences Specialization: Petroleum Engineering Department of Geoscience & Engineering Delft University of Technology Title Efficient and Accurate simulation of nonlinearly coupled multiphase flow in porous media Committee Members Dr. Hadi Hajibeygi Assistant Professor [email protected] Department of Geoscience & Engineering Delft University of Technology Prof.dr.ir. J.D. Jansen Professor and Department Head [email protected] Department of Geoscience & Engineering Delft University of Technology Dr.ir. M.I. Gerritsma Associate Professor [email protected] Faculty of Aerospace Engineering Delft University of Technology Matteo Cusini PhD. Candidate [email protected] Department of Geoscience & Engineering Delft University of Technology 4 Contents List of Figures iii Abstract v Acknowledgement vii 1 Introduction 1 1.1 Governing Equations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.2 Discretization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 1.2.1 Spatial Discretization . . . . . . . . . . . . . . . . . . . . . . . . . 6 1.2.2 Temporal Discretization . . . . . . . . . . . . . . . . . . . . . . . 8 1.2.3 Peaceman Well Model . . . . . . . . . . . . . . . . . . . . . . . . 9 1.2.4 Interface properties: upwind and harmonic-average . . . . . . . . 9 1.2.5 Capillary Treatment . . . . . . . . . . . . . . . . . . . . . . . . . 10 1.3 Simulation Strategies for Coupled P-S Systems . . . . . . . . . . . . . . . 11 1.3.1 IMPES Formulation . . . . . . . . . . . . . . . . . . . . . . . . . 11 1.3.2 Sequential Implicit Formulation (SQ-Imp) . . . . . . . . . . . . . 11 1.3.3 Fully Implicit Formulation (FIM) . . . . . . . . . . . . . . . . . . 13 2 Stability Analysis 15 2.1 Non-Linear Stability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 2.1.1 Upwind Criteria . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 2.2 Stability Analysis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 2.2.1 Viscous forces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 2.2.2 Viscous and buoyancy forces . . . . . . . . . . . . . . . . . . . . . 20 2.2.3 Viscos forces and Capillarity forces . . . . . . . . . . . . . . . . . 24 3 Flux Correction Methods 27 3.1 Non-Linear Convergence . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 3.1.1 Trust Region Method . . . . . . . . . . . . . . . . . . . . . . . . . 28 3.1.2 Locating Trust Regions . . . . . . . . . . . . . . . . . . . . . . . . 30 3.1.3 Trust Region Chopping . . . . . . . . . . . . . . . . . . . . . . . . 30 4 Results 31 4.1 Numerical Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 4.1.1 Viscous Forces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 4.1.2 Viscos and Buoyancy Forces . . . . . . . . . . . . . . . . . . . . . 34 5 Enhanced Oil Recovery 43 5.1 Foam in Permeable Media . . . . . . . . . . . . . . . . . . . . . . . . . . 43 i 5.2 Numerical Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44 5.3 Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46 5.3.1 Flux correction strategy for foam flow . . . . . . . . . . . . . . . . 46 6 Conclusion 49 Bibliography III A FIM formulation VI A.1 Derivation of Equations . . . . . . . . . . . . . . . . . . . . . . . . . . . VI A.1.1 Flow Residual w.r.t Pw . . . . . . . . . . . . . . . . . . . . . . . . VI A.1.2 Flow Residual w.r.t Sw . . . . . . . . . . . . . . . . . . . . . . . . VII A.1.3 Transport Residual w.r.t Pw . . . . . . . . . . . . . . . . . . . . . VIII A.1.4 Transport Residual w.r.t Sw . . . . . . . . . . . . . . . . . . . . . VIII ii
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