Modeling and Experimental Results Analysis of MEOR Process
Publish place: 02nd Iranian Petroleum Engineering Congress
Publish Year: 1386
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
IPEC02_121
تاریخ نمایه سازی: 22 خرداد 1391
Abstract:
Injection of micro-organisms with a source of nutrients is a novel method to produce H2, CO2 and surfactant which help to mobilize oil in the reservoir. MEOR process may be taken place in-situ (within the reservoir) or ex-situ to treat hydrocarbons or manufacture production chemicals. IFT reduction, mobility control and oil viscosity reduction are the major mechanisms that can be accomplish through MEOR process. The cumulative recovery increase due to generation of in-situ surfactant, viscosity reducing bacteria and CO2 .In this work, the effect of each type of bacteria used for MEOR processes on final oil recovery was analyzed. Further, to identify the best condition of each bacterium for MEOR process, the effect of temperature and salinity on oil recovery was investigated using the experimental data.It was concluded that surfactant producing bacteria is more efficient than using viscosity reducing bacteria or CO2 generating bacteria. Also it was observed that increasing temperature will decrease the oil recovery, but increasing the salinity, depending on the type of bacteria used, can increase or decrease the final oil produced.
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Authors
Moosa Rabiei Faradonbeh
Petroleum University of Technology, Tehran, Iran
Mohammad Soroush
Petroleum University of Technology, Tehran, Iran
Massoud Aghajani
Department of Petroleum Engineering, Petroleum University of Technology