A collocated finite volume scheme for high-performance simulation of induced seismicity in geo-energy applications

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Abstract

We develop a collocated Finite Volume Method (FVM) to study induced seismicity as a result of pore pressure fluctuations. A discrete system is obtained based on a fully-implicit coupled description of flow, elastic deformation, and contact mechanics at fault surfaces on a fully unstructured mesh. The cell-centered collocated scheme leads to convenient integration of the different physical equations, as the unknowns share the same discrete locations on the mesh. Additionally, a multi-point flux approximation is formulated in a general procedure to treat heterogeneity, anisotropy, and cross-derivative terms for both flow and mechanics equations. The resulting system, though flexible and accurate, can lead to excessive computational costs for field-relevant applications. To resolve this limitation, a scalable parallel solution algorithm is developed and presented. Several proof-of-concept numerical tests, including benchmark studies with analytical solutions, are investigated. It is found that the presented method is indeed accurate, stable and efficient; and as such promising for accurate and efficient simulation of induced seismicity.

Original languageEnglish
Title of host publicationSociety of Petroleum Engineers - SPE Reservoir Simulation Conference 2021, RSC 2021
PublisherSociety of Petroleum Engineers
Pages1-22
Number of pages22
ISBN (Electronic)9781613997475
DOIs
Publication statusPublished - 2021
EventSPE Reservoir Simulation Conference 2021, RSC 2021 - Virtual, Online
Duration: 26 Oct 2021 → …

Publication series

NameSociety of Petroleum Engineers - SPE Reservoir Simulation Conference 2021, RSC 2021

Conference

ConferenceSPE Reservoir Simulation Conference 2021, RSC 2021
CityVirtual, Online
Period26/10/21 → …

Bibliographical note

Green Open Access added to TU Delft Institutional Repository 'You share, we take care!' - Taverne project https://www.openaccess.nl/en/you-share-we-take-care
Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.

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