Improved empirical relations for estimating original oil in place recovered during microbial enhanced oil recovery under varied salinity conditions

During microbial enhanced oil recovery (MEOR) processes, the interaction between injection water (IW) and formation water (FW) salinity causes in-situ salinity variation which affects the final oil recovery. The present study explicitly quantifies the Original Oil in Place (OOIP) recovered for diffe...

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Bibliographic Details
Published inPetroleum science and technology Vol. 35; no. 21; pp. 2036 - 2043
Main Authors Sivasankar, P., Suresh Kumar, G.
Format Journal Article
LanguageEnglish
Published Abingdon Taylor & Francis 02.11.2017
Taylor & Francis Ltd
Subjects
Computer simulation
Enhanced oil recovery
microbial enhanced oil recovery
Microorganisms
modelling
porous media
Reservoirs
Salinity
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Summary:During microbial enhanced oil recovery (MEOR) processes, the interaction between injection water (IW) and formation water (FW) salinity causes in-situ salinity variation which affects the final oil recovery. The present study explicitly quantifies the Original Oil in Place (OOIP) recovered for different IW and FW salinity conditions through numerical simulation. Based on simulation results, user-friendly empirical correlations were deduced to quickly estimate the OOIP. The results suggest that the OOIP increases drastically in all reservoirs with any initial FW salinity as the adopted salinity of IW is lowered. The study would serve as a tool for making reservoir management decisions.
ISSN:1091-6466
1532-2459
DOI:10.1080/10916466.2017.1378676