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Influence of pH on dynamics of microbial enhanced oil recovery processes using biosurfactant producing Pseudomonas putida: Mathematical modelling and numerical simulation
Published in Elsevier Ltd
2017
Volume: 224
   
Pages: 498 - 508
Abstract
In present work, the influence of reservoir pH conditions on dynamics of microbial enhanced oil recovery (MEOR) processes using Pseudomonas putida was analysed numerically from the developed mathematical model for MEOR processes. Further, a new strategy to improve the MEOR performance has also been proposed. It is concluded from present study that by reversing the reservoir pH from highly acidic to low alkaline condition (pH 5–8), flow and mobility of displaced oil, displacement efficiency, and original oil in place (OOIP) recovered gets significantly enhanced, resulting from improved interfacial tension (IFT) reduction by biosurfactants. At pH 8, maximum of 26.1% of OOIP was recovered with higher displacement efficiency. The present study introduces a new strategy to increase the recovery efficiency of MEOR technique by characterizing the biosurfactants for IFTmin/IFTmax values for different pH conditions and subsequently, reversing the reservoir pH conditions at which the IFTmin/IFTmax value is minimum. © 2016 Elsevier Ltd
About the journal
JournalData powered by TypesetBioresource Technology
PublisherData powered by TypesetElsevier Ltd
Open AccessNo
Concepts (51)
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    Alkalinity
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    Bacteria
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    Biomolecules
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    Efficiency
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    Models
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    Oil well flooding
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    Petroleum reservoirs
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    pH
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    Porous materials
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    Recovery
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    Surface active agents
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    Alkaline conditions
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    BIO SURFACTANT
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    CHARECTERIZATION
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    DISPLACEMENT EFFICIENCY
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    MICROBIAL ENHANCED OIL RECOVERIES
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    MICROBIAL ENHANCED OIL RECOVERY (MEOR)
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    ORIGINAL OIL IN PLACES
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    RECOVERY EFFICIENCY
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    Enhanced recovery
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    Biosurfactant
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    RHAMNOLIPID
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    Sucrose
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    Oil
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    Petroleum
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    Surfactant
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    Bacterium
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    ENHANCED OIL RECOVERY
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    Microbial activity
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    Numerical model
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    Porous medium
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    Simulation
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    Acidity
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    Article
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    Biotechnological procedures
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    Dynamics
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    Fluid flow
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    Mathematical model
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    MICROBIAL ENHANCED OIL RECOVERY
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    Nonhuman
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    Priority journal
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    Pseudomonas putida
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    Chemistry
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    Metabolism
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    OIL AND GAS FIELD
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    Surface tension
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    Theoretical model
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    Models, theoretical
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    OIL AND GAS FIELDS
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    Oils
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    Surface-active agents