1887

Abstract

Summary

Recently low salinity and smart/engineered waterflooding is concern, where a compositional injection water injects through the reservoir and it may has been some reactions with anions and cations which exist in brine and totally cause deposition and precipitation of scale minerals in reservoir, wellbores and all paths which these waters flow (Sorbie et al. 2000). Engineered water injection (EWI) is optimized in composition and suable for injection into the reservoir for improving oil recovery through different mechanisms especially wettability alteration(Adegbite et al. 2017). As the water is being injected into the reservoir, its thermodynamic condition varies are negligible because in the reservoir, temperature and pressure consider fix but the most important note which is different mixing ratio of brine/injection water while vary by the time. In this paper we have tried to model scale precipitation and deposition within injection of EWI from surface to bottom of the well which we considered pressure and temperature gradients in order to defining change in temperature and pressure. By the time it had been performed to model scale precipitation and deposition where the injection water composition vary in specialized PV in a core by coupling geochemical software (PHREEQC) with MATLAB

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2020-11-16
2024-04-19
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