In this work, an oil-soluble surfactant was studied to enhance crude oil mobilization in a cryolite-packed miniature bed. The cryolite packed bed provided a transparent, random porous medium for observation at the microscopic level. In the first part of the paper, oil-soluble surfactants, Span 80 and Eni-surfactant (ES), were dissolved directly into the crude oil. The porous medium was imbued with the crude oil (containing the surfactants), and de-ionized water was the flooding phase; in this experiment, the system containing ES had the best performance. Subsequently, sodium dodecyl sulfate (SDS), a hydrosoluble surfactant, was used to solubilize the ES, with the SDS acting as a carrier for the ES to the contaminated porous media. Finally, the SDS/ES micellar solutions were used in oil-removal tests on the packed bed. Grayscale image analysis was used to quantify the oil recovery effectiveness for the flooding experiments by measuring the white pixel percentage in the packed bed images. The SDS/ES flooding mixture had a better performance than the SDS alone.
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March 2019
Research-Article
Mobilization of Crude Oil in Porous Media With Oil-Soluble Surfactant Delivered by Hydrosoluble Micelles
Chike G. Ezeh,
Chike G. Ezeh
Department of Chemical &
Biomolecular Engineering,
Tulane University,
New Orleans, LA 70118
Biomolecular Engineering,
Tulane University,
New Orleans, LA 70118
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Yufei Duan,
Yufei Duan
Department of Chemical &
Biomolecular Engineering,
Tulane University,
New Orleans, LA 70118
Biomolecular Engineering,
Tulane University,
New Orleans, LA 70118
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Riccardo Rausa,
Riccardo Rausa
Eni S.p.A., Upstream and Technical Services,
R&D-D,
San Donato Milanese, 20097, Italy
R&D-D,
San Donato M.se Res., Center
,San Donato Milanese, 20097, Italy
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Kyriakos D. Papadopoulos
Kyriakos D. Papadopoulos
Department of Chemical &
Biomolecular Engineering,
Tulane University,
New Orleans, LA 70118
e-mail: kyriakos@tulane.edu
Biomolecular Engineering,
Tulane University,
New Orleans, LA 70118
e-mail: kyriakos@tulane.edu
Search for other works by this author on:
Chike G. Ezeh
Department of Chemical &
Biomolecular Engineering,
Tulane University,
New Orleans, LA 70118
Biomolecular Engineering,
Tulane University,
New Orleans, LA 70118
Yufei Duan
Department of Chemical &
Biomolecular Engineering,
Tulane University,
New Orleans, LA 70118
Biomolecular Engineering,
Tulane University,
New Orleans, LA 70118
Riccardo Rausa
Eni S.p.A., Upstream and Technical Services,
R&D-D,
San Donato Milanese, 20097, Italy
R&D-D,
San Donato M.se Res., Center
,San Donato Milanese, 20097, Italy
Kyriakos D. Papadopoulos
Department of Chemical &
Biomolecular Engineering,
Tulane University,
New Orleans, LA 70118
e-mail: kyriakos@tulane.edu
Biomolecular Engineering,
Tulane University,
New Orleans, LA 70118
e-mail: kyriakos@tulane.edu
1Chike G. Ezeh and Yufei Duan contributed equally to this work.
2Corresponding author.
Contributed by the Petroleum Division of ASME for publication in the JOURNAL OF ENERGY RESOURCES TECHNOLOGY. Manuscript received March 16, 2018; final manuscript received August 2, 2018; published online September 14, 2018. Assoc. Editor: Daoyong (Tony) Yang.
J. Energy Resour. Technol. Mar 2019, 141(3): 032902 (10 pages)
Published Online: September 14, 2018
Article history
Received:
March 16, 2018
Revised:
August 2, 2018
Citation
Ezeh, C. G., Duan, Y., Rausa, R., and Papadopoulos, K. D. (September 14, 2018). "Mobilization of Crude Oil in Porous Media With Oil-Soluble Surfactant Delivered by Hydrosoluble Micelles." ASME. J. Energy Resour. Technol. March 2019; 141(3): 032902. https://doi.org/10.1115/1.4041094
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