A numerical study of the effect of brine displaced from CO2 storage in a saline formation on groundwater
作者： Furqan Hussain , Karsten Michael , Yildiray Cinar
DOI: 10.1002/GHG.1539
关键词:
摘要: This paper presents a numerical simulation study that examines the CO2 injection-induced salinity changes in groundwater formations. We use simplified model to simulate migration of formation water caused by pressure build-up during injection. A stacked reservoir consisting storage overlain geological seal and aquifer is modeled. commercial simulator run various realizations with different permeabilities, injection rates, lateral boundary conditions, production rates. then track calculated simulations. find conditions permeabilities are most critical parameters govern vertical displacement water. If permeability high enough or closed, fluid dominates displacement. Depending on thickness, rate salinity, this has potential cause significant change overlying aquifer. low open, becomes dominant. extends an up-dip shallow formation, higher increase groundwater. Moreover, occur deeper part because displaced heavier than shows tracking simulations may provide quantitative measure quality. © 2015 Society Chemical Industry John Wiley & Sons, Ltd
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