Multiphysics modeling of porous media acid dissolution

Aslak Stubsgaard, Hamid Nick

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An OpenFOAM solver has been developed, capable of modeling buoyancy, advection, diffusion, and reaction of acid in geometries consisting of both fully fluid and heterogeneous porous media regions. Furthermore, the dissolution of porous media and with it the transition from DarcyForchheimer to fully fluid flow is accurately captured. With this solver, along with meshing schemes capable of constructing geometries consisting of fully fluid, porous media, and unaffected solid regions from three-dimensional CAD drawings, the impact on wormhole formation and directionality is shown to depend heavily on: Fluid properties, flow characteristics, and domain geometry. The importance of modeling three-dimensional domains, as opposed to two-dimensional domains is also observed. Full well completion models, including liner, perforations, and heterogeneous porous media, were analyzed to assess the feasibility of affecting wormhole directionality with heavy acids.
Original languageEnglish
Publication date2019
Publication statusPublished - 2019
EventDanish Hydrocarbon Research and Technology Centre
Technology Conference 2019
- Comwell Kolding, Kolding, Denmark
Duration: 5 Nov 20196 Nov 2019


ConferenceDanish Hydrocarbon Research and Technology Centre
Technology Conference 2019
LocationComwell Kolding
Internet address


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