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Multiscale Methods and Flow-based Gridding for Flow and Transport In Porous Media
Norwegian University of Science and Technology, Faculty of Information Technology, Mathematics and Electrical Engineering, Department of Mathematical Sciences.
2010 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

The topic of this thesis is fast and accurate simulation techniques used for simulations of flow and transport in porous media, in particular petroleum reservoirs. Fast and accurate simulation techniques are becoming increasingly important for reservoir management and development, as the geological models increase in size and level of detail and require more computational resources to be utilized.

The multiscale framework is a promising approach to facilitate simulation of detailed geological models. In contrast to traditional upscaling approaches, the multiscale methods have the detailed geological models present at all times.

The work in this thesis includes development of a multiscale-multiphysics method for naturally fractured reservoirs and a new coarsening strategy for geological models to facilitate fast and accurate transport simulations in a multiscale framework. In addition, the work comprises an application of the multiscale framework for flow and transport simulation for rate optimization loops. The coarsening strategy generates flow-based transport grids and is based on amalgamating cells from a fine model, typically the geological model, according to an indicator function. The research indicates a great potential for flexibility and scalability suitable for multi-fidelity simulators

Place, publisher, year, edition, pages
NTNU , 2010.
Series
Doctoral theses at NTNU, ISSN 1503-8181 ; 2010:181
Identifiers
URN: urn:nbn:no:ntnu:diva-12132ISBN: 978-82-471-2336-2 (printed ver.)ISBN: 978-82-471-2337-9 (electronic ver.)OAI: oai:DiVA.org:ntnu-12132DiVA: diva2:400507
Public defence
2011-01-06, 00:00
Available from: 2011-03-11 Created: 2011-02-25 Last updated: 2011-03-11Bibliographically approved
List of papers
1. A Multiscale Mixed Finite-Element Method for Vuggy and Naturally-Fractured Reservoirs
Open this publication in new window or tab >>A Multiscale Mixed Finite-Element Method for Vuggy and Naturally-Fractured Reservoirs
2010 (English)In: SPE Journal, ISSN 1086-055X, Vol. 15, no 2, 395-403 p.Article in journal (Refereed) Published
Identifiers
urn:nbn:no:ntnu:diva-12126 (URN)
Available from: 2011-02-25 Created: 2011-02-25 Last updated: 2011-03-11Bibliographically approved
2. Coarsening of Three-Dimensional Structured and Unstructured Grids for Subsurface Flow
Open this publication in new window or tab >>Coarsening of Three-Dimensional Structured and Unstructured Grids for Subsurface Flow
2007 (English)In: Advances in Water Resources, ISSN 0309-1708, E-ISSN 1872-9657, Vol. 30, no 11, 2177-2193 p.Article in journal (Refereed) Published
Identifiers
urn:nbn:no:ntnu:diva-12127 (URN)10.1016/j.advwatres.2007.04.007 (DOI)
Note
The article in is reprinted with kind permission from Elsevier, sciencedirect.comAvailable from: 2011-02-25 Created: 2011-02-25 Last updated: 2012-07-02Bibliographically approved
3. Flow-based Coarsening for Multiscale Simulation of Transport In Porous Media
Open this publication in new window or tab >>Flow-based Coarsening for Multiscale Simulation of Transport In Porous Media
2010 (English)Conference paper (Other academic)
Identifiers
urn:nbn:no:ntnu:diva-12128 (URN)
Conference
Workshop on Averaging, Upscaling, and New Theories in Porous Media Flow and Transport, Bergen, October 14-15, 2010
Available from: 2011-02-25 Created: 2011-02-25 Last updated: 2012-05-21Bibliographically approved
4. Grid Coarsening Based on Amalgamation for Multi-Fidelity Transport Solvers
Open this publication in new window or tab >>Grid Coarsening Based on Amalgamation for Multi-Fidelity Transport Solvers
(English)Manuscript (preprint) (Other academic)
Identifiers
urn:nbn:no:ntnu:diva-12129 (URN)
Available from: 2011-02-25 Created: 2011-02-25 Last updated: 2013-07-17Bibliographically approved
5. Modeling of Two-Phase Flow in Fractured Porous Media on Unstructured Non-Uniformly Coarsened Grids
Open this publication in new window or tab >>Modeling of Two-Phase Flow in Fractured Porous Media on Unstructured Non-Uniformly Coarsened Grids
2009 (English)In: Transport in Porous Media, ISSN 0169-3913, E-ISSN 1573-1634, Vol. 77, no 3, 373-398 p.Article in journal (Refereed) Published
Identifiers
urn:nbn:no:ntnu:diva-12130 (URN)10.1007/s11242-008-9284-y (DOI)
Available from: 2011-02-25 Created: 2011-02-25 Last updated: 2011-03-11Bibliographically approved
6. Adjoint Multiscale Mixed Finite Elements
Open this publication in new window or tab >>Adjoint Multiscale Mixed Finite Elements
2011 (English)In: SPE Journal, ISSN 1086-055X, Vol. 16, no 1, 162-171 p.Article in journal (Refereed) Published
Place, publisher, year, edition, pages
SPE, 2011
Identifiers
urn:nbn:no:ntnu:diva-12131 (URN)10.2118/119112-PA (DOI)
Available from: 2011-02-25 Created: 2011-02-25 Last updated: 2012-03-08Bibliographically approved

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