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Core Flooding Experiment to Increase Recovery Factor Using “U-Champ” Biosurfactant

Volume 6, Issue 5, October 2021    |    PP. 132-144    |PDF (344 K)|    Pub. Date: September 5, 2021
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Author(s)
Joko Pamungkas, Department of Petroleum Engineering, Faculty of Mineral Technology, Universitas Pembangunan Nasional “Veteran” Yogyakarta, Jl. Padjajaran (Lingkar Utara) Condongcatur, Yogyakarta 55283, Indonesia
Harry Budiharjo Sulistyarso, Department of Petroleum Engineering, Faculty of Mineral Technology, Universitas Pembangunan Nasional “Veteran” Yogyakarta, Jl. Padjajaran (Lingkar Utara) Condongcatur, Yogyakarta 55283, Indonesia
Indah Widiyaningsih, Department of Petroleum Engineering, Faculty of Mineral Technology, Universitas Pembangunan Nasional “Veteran” Yogyakarta, Jl. Padjajaran (Lingkar Utara) Condongcatur, Yogyakarta 55283, Indonesia
Hanqenina Damayanti, Department of Petroleum Engineering, Faculty of Mineral Technology, Universitas Pembangunan Nasional “Veteran” Yogyakarta, Jl. Padjajaran (Lingkar Utara) Condongcatur, Yogyakarta 55283, Indonesia

Abstract
Increasing oil recovery factor can be done by draining the residual oil in the reservoir (Sor), by using Microbial Enhanced Oil Recovery (MEOR). This research was conducted using “U-Champ” biosurfactants which derived from microorganisms that can reduce oil viscosity and interfacial tension (IFT) between oil and brine. The aims of this study are to analyze the effect of adding biosurfactant to changes reservoir fluid characteristics (viscosity and IFT) and to increase recovery factor. The tests on fluids include measurements of density, viscosity, and IFT carried out with concentrations of "U-Champ" biosurfactant 2.5%, 5%, 7.5%, and 10%. The results obtained from this study are the increase in the oil density value from 0.8761 gr/cc (0% “U-Champ” concentration) to 0.9162 gr/cc (10%). Decreased oil viscosity value from 7.48 cp to 4.10 cp at 36.5oC and from 1.64 cp to 0.58 cp at 80oC at concentration of "U-Champ" 7.5%. Decreased of IFT value by 12.93 mN/m (0%) to 5.80 mN/m (7.5%) at 36.5oC, and an IFT value of 9.83 (0%) mN/m becomes 2.86 mN/m (7.5%) at 80oC. Based on core flooding experiment obtained 1.8 cc OOIP, then showed an increase in RF value after injection of “U-Champ” biosurfactant from 44.44% (water flooding) to 81.67% (injection of “U-Champ” biosurfactant after 48 hours soaking time).

Keywords
Biosurfactant, Interfacial Tension, Recovery Factor, Viscosity

Cite this paper
Joko Pamungkas, Harry Budiharjo Sulistyarso, Indah Widiyaningsih, Hanqenina Damayanti, Core Flooding Experiment to Increase Recovery Factor Using “U-Champ” Biosurfactant, SCIREA Journal of Physics. Vol. 6 , No. 5 , 2021 , pp. 132 - 144 .

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