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Open AccessArticle

Ketone Solvent to Reduce the Minimum Miscibility Pressure for CO2 Flooding at the South Sumatra Basin, Indonesia

1
Department of Energy and Mineral Resources Engineering, Sejong University, Seoul 05006, Korea
2
Department of Energy and Resources Engineering, Kangwon National University, Chuncheon, Kangwon 24341, Korea
3
Petroleum Engineering Department, Bandung Institute of Technology, Bandung 40132, Indonesia
*
Authors to whom correspondence should be addressed.
Processes 2020, 8(3), 360; https://doi.org/10.3390/pr8030360
Received: 17 February 2020 / Revised: 12 March 2020 / Accepted: 18 March 2020 / Published: 21 March 2020
This paper experimentally analyzes the chemical additives, i.e., methanol and ethanol, as alcohol solvents, and acetone as a ketone solvent, and the temperature influencing the minimum miscibility pressure (MMP) that is essential to design miscible CO2 flooding at an oil field, the South Sumatra basin, Indonesia. The experiments were designed to measure CO2-oil interfacial tension with the vanishing interfacial tension (VIT) method in the ranges up to 3000 psi (208.6 bar) and 300 degrees Celsius. The experiment results show that lower temperatures, larger solvent volumes, and the acetone were effective in reducing MMP. The acetone, an aprotic ketone solvent, reduced MMP more than the methanol and the ethanol in the CO2-oil system. The high temperature was negative to obtain the high CO2 solubility into the oil as well as the lower MMP. The experimental results confirm that the aprotic ketone solvent could be effective in decreasing the MMP for the design of miscible CO2 flooding at the shallow mature oilfields with a low reservoir temperature. View Full-Text
Keywords: minimum miscibility pressure; CO2 flooding; alcohol; ketone; vanishing interfacial tension minimum miscibility pressure; CO2 flooding; alcohol; ketone; vanishing interfacial tension
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Novriansyah, A.; Bae, W.; Park, C.; Permadi, A.K.; Sri Riswati, S. Ketone Solvent to Reduce the Minimum Miscibility Pressure for CO2 Flooding at the South Sumatra Basin, Indonesia. Processes 2020, 8, 360.

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