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dc.contributor.authorAndersen, Odd
dc.contributor.authorLie, Knut-Andreas
dc.contributor.authorNilsen, Halvor Møll
dc.PublishedEnergy Procedia 2016, 86:324-333eng
dc.description.abstractPlanning and execution of large-scale, aquifer-wide CO2 storage operations will require extensive use of computer modelling and simulations. The required computational tools will vary depending on the physical characteristics of the targeted aquifer, the stage of the project, and the questions asked, which may not always be anticipated in advance. In this paper, we argue that a one-size-fits-all simulation tool for the modelling CO2 storage does not exist. Instead, we propose an integrated toolchain of computational methods that can be used in a flexible way to set up adaptive workflows. Although a complete toolchain will require computational methods at all levels of complexity, we further argue that lightweight methods play a particularly important role in addressing many of the relevant questions. We have implemented a number of such simplified methods in MRST-co2lab, a separate module to the open-source MATLAB Reservoir Simulation Toolbox (MRST). In particular, MRST-co2lab contains percolation-type methods that within seconds can identify structural traps and their catchment areas and compute spill paths and rough estimates of trapping capacity. The software also offers two-phase simulators based on vertical-equilibrium assumptions that can forecast structural, residual, and solubility trapping in a thousand-year perspective and are orders of magnitude faster than traditional 3D simulators. Herein, we apply these methods on realistic, large-scale datasets to demonstrate their capabilities and show how they can be used in combination to address optimal use of open aquifers for large-scale storage.en_US
dc.publisherElsevier Ltd.en_US
dc.relation.ispartof<a href="" target="blank">Simplified models for numerical simulation of geological CO2 storage</a>en_US
dc.rightsAttribution CC BY-NC-ND 4.0eng
dc.subjectCO2 storageeng
dc.subjectmodeling workfloweng
dc.subjectopen-source softwareeng
dc.subjectVertical equilibriumeng
dc.subjectspill-point analysiseng
dc.subjectnonlinear optimizationeng
dc.subjectBravo Domeeng
dc.subjectthermal effectseng
dc.titleAn Open-Source Toolchain for Simulation and Optimization of Aquifer-Wide CO2 Storageen_US
dc.typePeer reviewed
dc.typeJournal article
dc.rights.holderCopyright 2016 The Authorsen_US
dc.subject.nsiVDP::Matematikk og Naturvitenskap: 400en_US

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