Experimental Study on Foamy Viscosity by Analysing CO2 Micro-Bubbles in Hexadecane

Chanmoly Or; Kyuro Sasaki Sasaki; Yuichi Sugai; Masanori Nakano; Motonao Imai

doi:doi:10.11648/j.ogce.20140202.11

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Experimental Study on Foamy Viscosity by Analysing CO2 Micro-Bubbles in Hexadecane

Chanmoly Or, Kyuro Sasaki Sasaki, Yuichi Sugai, Masanori Nakano, Motonao Imai

Published in International Journal of Oil, Gas and Coal Engineering (Volume 2, Issue 2)

Received: 9 February 2014 Published: 20 March 2014

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Abstract

Continuous desorbing gas in the heavy oil generates lower viscosity with dispersing gas micro-bubbles. In this study, laboratory experiments were carried out to measure the viscosity of foamy hexadecane, typical component of heavy oil, and to investigate the CO2 gas micro-bubbles at ranged temperature of 20 – 50 °C and depressurization pressure of 1.0 – 6.0 MPa. Apparently, hexadecane mobility increases with increasing foam swelling. The viscosity ratio of foam vs. original hexadecane showed 0.90 – 0.70 with increasing foam swelling in the swelling range of 3.0 – 4.8%. The foam swelling is caused by dispersed gas micro-bubbles, and its viscosity was more reducible at either low temperature or high foam swelling based on present measurement results. The bubble distribution showed the large bubbles (approximately 50 µm in diameter) were coalesced but the micro-bubbles (approximately 5 µm in diameter) were stable under the shear of 1575 s-1, within 3 minutes of measuring. It shows that the micro-bubbles in smaller diameter have higher stability against the high shear rate. Therefore, generating foam by creating CO2 micro-bubbles is capable to make flow through the pore throats with viscosity reduction and improves oil recovery from non-mobile domain, such as aggregate and fine pores, by its swelling.

Published in	International Journal of Oil, Gas and Coal Engineering (Volume 2, Issue 2)
DOI	10.11648/j.ogce.20140202.11
Page(s)	11-18
Creative Commons	This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.
Copyright	Copyright © The Author(s), 2014. Published by Science Publishing Group

Keywords

Viscosity Ratio, Foamy Hexadecane, Temperature, Foam Swelling, and CO2 Micro-Bubble Distribution

References

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APA Style

Chanmoly Or, Kyuro Sasaki Sasaki, Yuichi Sugai, Masanori Nakano, Motonao Imai. (2014). Experimental Study on Foamy Viscosity by Analysing CO2 Micro-Bubbles in Hexadecane. International Journal of Oil, Gas and Coal Engineering, 2(2), 11-18. https://doi.org/10.11648/j.ogce.20140202.11

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ACS Style

Chanmoly Or; Kyuro Sasaki Sasaki; Yuichi Sugai; Masanori Nakano; Motonao Imai. Experimental Study on Foamy Viscosity by Analysing CO2 Micro-Bubbles in Hexadecane. Int. J. Oil Gas Coal Eng. 2014, 2(2), 11-18. doi: 10.11648/j.ogce.20140202.11

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AMA Style

Chanmoly Or, Kyuro Sasaki Sasaki, Yuichi Sugai, Masanori Nakano, Motonao Imai. Experimental Study on Foamy Viscosity by Analysing CO2 Micro-Bubbles in Hexadecane. Int J Oil Gas Coal Eng. 2014;2(2):11-18. doi: 10.11648/j.ogce.20140202.11

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@article{10.11648/j.ogce.20140202.11,
  author = {Chanmoly Or and Kyuro Sasaki Sasaki and Yuichi Sugai and Masanori Nakano and Motonao Imai},
  title = {Experimental Study on Foamy Viscosity by Analysing CO2 Micro-Bubbles in Hexadecane},
  journal = {International Journal of Oil, Gas and Coal Engineering},
  volume = {2},
  number = {2},
  pages = {11-18},
  doi = {10.11648/j.ogce.20140202.11},
  url = {https://doi.org/10.11648/j.ogce.20140202.11},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ogce.20140202.11},
  abstract = {Continuous desorbing gas in the heavy oil generates lower viscosity with dispersing gas micro-bubbles. In this study, laboratory experiments were carried out to measure the viscosity of foamy hexadecane, typical component of heavy oil, and to investigate the CO2 gas micro-bubbles at ranged temperature of 20 – 50 °C and depressurization pressure of 1.0 – 6.0 MPa. Apparently, hexadecane mobility increases with increasing foam swelling. The viscosity ratio of foam vs. original hexadecane showed 0.90 – 0.70 with increasing foam swelling in the swelling range of 3.0 – 4.8%. The foam swelling is caused by dispersed gas micro-bubbles, and its viscosity was more reducible at either low temperature or high foam swelling based on present measurement results. The bubble distribution showed the large bubbles (approximately 50 µm in diameter) were coalesced but the micro-bubbles (approximately 5 µm in diameter) were stable under the shear of 1575 s-1, within 3 minutes of measuring. It shows that the micro-bubbles in smaller diameter have higher stability against the high shear rate. Therefore, generating foam by creating CO2 micro-bubbles is capable to make flow through the pore throats with viscosity reduction and improves oil recovery from non-mobile domain, such as aggregate and fine pores, by its swelling.},
 year = {2014}
}

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TY  - JOUR
T1  - Experimental Study on Foamy Viscosity by Analysing CO2 Micro-Bubbles in Hexadecane
AU  - Chanmoly Or
AU  - Kyuro Sasaki Sasaki
AU  - Yuichi Sugai
AU  - Masanori Nakano
AU  - Motonao Imai
Y1  - 2014/03/20
PY  - 2014
N1  - https://doi.org/10.11648/j.ogce.20140202.11
DO  - 10.11648/j.ogce.20140202.11
T2  - International Journal of Oil, Gas and Coal Engineering
JF  - International Journal of Oil, Gas and Coal Engineering
JO  - International Journal of Oil, Gas and Coal Engineering
SP  - 11
EP  - 18
PB  - Science Publishing Group
SN  - 2376-7677
UR  - https://doi.org/10.11648/j.ogce.20140202.11
AB  - Continuous desorbing gas in the heavy oil generates lower viscosity with dispersing gas micro-bubbles. In this study, laboratory experiments were carried out to measure the viscosity of foamy hexadecane, typical component of heavy oil, and to investigate the CO2 gas micro-bubbles at ranged temperature of 20 – 50 °C and depressurization pressure of 1.0 – 6.0 MPa. Apparently, hexadecane mobility increases with increasing foam swelling. The viscosity ratio of foam vs. original hexadecane showed 0.90 – 0.70 with increasing foam swelling in the swelling range of 3.0 – 4.8%. The foam swelling is caused by dispersed gas micro-bubbles, and its viscosity was more reducible at either low temperature or high foam swelling based on present measurement results. The bubble distribution showed the large bubbles (approximately 50 µm in diameter) were coalesced but the micro-bubbles (approximately 5 µm in diameter) were stable under the shear of 1575 s-1, within 3 minutes of measuring. It shows that the micro-bubbles in smaller diameter have higher stability against the high shear rate. Therefore, generating foam by creating CO2 micro-bubbles is capable to make flow through the pore throats with viscosity reduction and improves oil recovery from non-mobile domain, such as aggregate and fine pores, by its swelling.
VL  - 2
IS  - 2
ER  -

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Author Information

Chanmoly Or

Department of Earth Resources Engineering, Kyushu University, Fukuoka, Japan
Kyuro Sasaki Sasaki

Department of Earth Resources Engineering, Kyushu University, Fukuoka, Japan
Yuichi Sugai

Department of Earth Resources Engineering, Kyushu University, Fukuoka, Japan
Masanori Nakano

Research Center, Japanese Petroleum Exploration (JAPEX), Chiba, Japan
Motonao Imai

Research Center, Japanese Petroleum Exploration (JAPEX), Chiba, Japan

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APA Style

Chanmoly Or, Kyuro Sasaki Sasaki, Yuichi Sugai, Masanori Nakano, Motonao Imai. (2014). Experimental Study on Foamy Viscosity by Analysing CO2 Micro-Bubbles in Hexadecane. International Journal of Oil, Gas and Coal Engineering, 2(2), 11-18. https://doi.org/10.11648/j.ogce.20140202.11

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ACS Style

Chanmoly Or; Kyuro Sasaki Sasaki; Yuichi Sugai; Masanori Nakano; Motonao Imai. Experimental Study on Foamy Viscosity by Analysing CO2 Micro-Bubbles in Hexadecane. Int. J. Oil Gas Coal Eng. 2014, 2(2), 11-18. doi: 10.11648/j.ogce.20140202.11

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AMA Style

Chanmoly Or, Kyuro Sasaki Sasaki, Yuichi Sugai, Masanori Nakano, Motonao Imai. Experimental Study on Foamy Viscosity by Analysing CO2 Micro-Bubbles in Hexadecane. Int J Oil Gas Coal Eng. 2014;2(2):11-18. doi: 10.11648/j.ogce.20140202.11

Copy | Download

@article{10.11648/j.ogce.20140202.11,
  author = {Chanmoly Or and Kyuro Sasaki Sasaki and Yuichi Sugai and Masanori Nakano and Motonao Imai},
  title = {Experimental Study on Foamy Viscosity by Analysing CO2 Micro-Bubbles in Hexadecane},
  journal = {International Journal of Oil, Gas and Coal Engineering},
  volume = {2},
  number = {2},
  pages = {11-18},
  doi = {10.11648/j.ogce.20140202.11},
  url = {https://doi.org/10.11648/j.ogce.20140202.11},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ogce.20140202.11},
  abstract = {Continuous desorbing gas in the heavy oil generates lower viscosity with dispersing gas micro-bubbles. In this study, laboratory experiments were carried out to measure the viscosity of foamy hexadecane, typical component of heavy oil, and to investigate the CO2 gas micro-bubbles at ranged temperature of 20 – 50 °C and depressurization pressure of 1.0 – 6.0 MPa. Apparently, hexadecane mobility increases with increasing foam swelling. The viscosity ratio of foam vs. original hexadecane showed 0.90 – 0.70 with increasing foam swelling in the swelling range of 3.0 – 4.8%. The foam swelling is caused by dispersed gas micro-bubbles, and its viscosity was more reducible at either low temperature or high foam swelling based on present measurement results. The bubble distribution showed the large bubbles (approximately 50 µm in diameter) were coalesced but the micro-bubbles (approximately 5 µm in diameter) were stable under the shear of 1575 s-1, within 3 minutes of measuring. It shows that the micro-bubbles in smaller diameter have higher stability against the high shear rate. Therefore, generating foam by creating CO2 micro-bubbles is capable to make flow through the pore throats with viscosity reduction and improves oil recovery from non-mobile domain, such as aggregate and fine pores, by its swelling.},
 year = {2014}
}

Copy | Download

TY  - JOUR
T1  - Experimental Study on Foamy Viscosity by Analysing CO2 Micro-Bubbles in Hexadecane
AU  - Chanmoly Or
AU  - Kyuro Sasaki Sasaki
AU  - Yuichi Sugai
AU  - Masanori Nakano
AU  - Motonao Imai
Y1  - 2014/03/20
PY  - 2014
N1  - https://doi.org/10.11648/j.ogce.20140202.11
DO  - 10.11648/j.ogce.20140202.11
T2  - International Journal of Oil, Gas and Coal Engineering
JF  - International Journal of Oil, Gas and Coal Engineering
JO  - International Journal of Oil, Gas and Coal Engineering
SP  - 11
EP  - 18
PB  - Science Publishing Group
SN  - 2376-7677
UR  - https://doi.org/10.11648/j.ogce.20140202.11
AB  - Continuous desorbing gas in the heavy oil generates lower viscosity with dispersing gas micro-bubbles. In this study, laboratory experiments were carried out to measure the viscosity of foamy hexadecane, typical component of heavy oil, and to investigate the CO2 gas micro-bubbles at ranged temperature of 20 – 50 °C and depressurization pressure of 1.0 – 6.0 MPa. Apparently, hexadecane mobility increases with increasing foam swelling. The viscosity ratio of foam vs. original hexadecane showed 0.90 – 0.70 with increasing foam swelling in the swelling range of 3.0 – 4.8%. The foam swelling is caused by dispersed gas micro-bubbles, and its viscosity was more reducible at either low temperature or high foam swelling based on present measurement results. The bubble distribution showed the large bubbles (approximately 50 µm in diameter) were coalesced but the micro-bubbles (approximately 5 µm in diameter) were stable under the shear of 1575 s-1, within 3 minutes of measuring. It shows that the micro-bubbles in smaller diameter have higher stability against the high shear rate. Therefore, generating foam by creating CO2 micro-bubbles is capable to make flow through the pore throats with viscosity reduction and improves oil recovery from non-mobile domain, such as aggregate and fine pores, by its swelling.
VL  - 2
IS  - 2
ER  -

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