Data for: Potential to enhance CO2 flooding in low permeability reservoirs by alcohol and surfactant as co-solvents

Published: 27 Jul 2019 | Version 1 | DOI: 10.17632/33m6g7t29c.1
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Description of this data

This work is aimed at finding an excellent chemical modifier to enhance the effect of CO2 flooding in low-permeability reservoirs. Six chemical modifiers (water, ethanol, TX45, TX100, TX45/ethanol, and TX100/ethanol) were employed to modify the performance of pure CO2 in displacing crude oil from low-permeability reservoirs. Their ability to enhance oil extraction and recovery were the two main areas focused on. It is found that, of six modifiers, TX45/ethanol enhanced oil-extraction performance the most. CO2/TX45/ethanol recovered 13.8% more non-bypassed oil than pure CO2 and is a good candidate to replace the latter. For the bypassed oil cases, both CO2/TX45/ethanol and pure CO2 soaking removed poor amounts of bypassed oil. Fortunately, huff-n-puff using CO2/TX45/ethanol was very effective and generally outperformed pure CO2 depending on pressure depletion.

Experiment data files

This data is associated with the following publication:

Potential to enhance CO2 flooding in low permeability reservoirs by alcohol and surfactant as co-solvents

Published in: Journal of Petroleum Science and Engineering

Latest version

  • Version 1

    2019-07-27

    Published: 2019-07-27

    DOI: 10.17632/33m6g7t29c.1

    Cite this dataset

    Wang, Yefei (2019), “Data for: Potential to enhance CO2 flooding in low permeability reservoirs by alcohol and surfactant as co-solvents”, Mendeley Data, v1 http://dx.doi.org/10.17632/33m6g7t29c.1

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Petroleum Engineering

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