Relative permeability experiments of carbon dioxide displacing brine and their implications for carbon sequestration

Jonathan S. Levine, David S. Goldberg, Klaus Lackner, Juerg M. Matter, Michael G. Supp, T. S. Ramakrishnan

Research output: Contribution to journalArticle

32 Citations (Scopus)

Abstract

To mitigate anthropogenically induced climate change and ocean acidification, net carbon dioxide emissions to the atmosphere must be reduced. One proposed option is underground CO2 disposal. Large-scale injection of CO2 into the Earth's crust requires an understanding of the multiphase flow properties of high-pressure CO2 displacing brine. We present laboratory-scale core flooding experiments designed to measure CO2 endpoint relative permeability for CO2 displacing brine at in situ pressures, salinities, and temperatures. Endpoint drainage CO2 relative permeabilities for liquid and supercritical CO 2 were found to be clustered around 0.4 for both the synthetic and natural media studied. These values indicate that relative to CO2, water may not be strongly wetting the solid surface. Based on these results, CO2 injectivity will be reduced and pressure-limited reservoirs will have reduced disposal capacity, though area-limited reservoirs may have increased capacity. Future reservoir-scale modeling efforts should incorporate sensitivity to relative permeability. Assuming applicability of the experimental results to other lithologies and that the majority of reservoirs are pressure limited, geologic carbon sequestration would require approximately twice the number of wells for the same injectivity.

Original languageEnglish (US)
Pages (from-to)811-818
Number of pages8
JournalEnvironmental Science and Technology
Volume48
Issue number1
DOIs
StatePublished - Jan 7 2014
Externally publishedYes

Fingerprint

Carbon Dioxide
carbon sequestration
brine
Carbon
carbon dioxide
permeability
experiment
Experiments
Lithology
Acidification
Multiphase flow
multiphase flow
Carbon Monoxide
Climate change
wetting
Drainage
Wetting
lithology
flooding
Earth (planet)

ASJC Scopus subject areas

  • Chemistry(all)
  • Environmental Chemistry

Cite this

Relative permeability experiments of carbon dioxide displacing brine and their implications for carbon sequestration. / Levine, Jonathan S.; Goldberg, David S.; Lackner, Klaus; Matter, Juerg M.; Supp, Michael G.; Ramakrishnan, T. S.

In: Environmental Science and Technology, Vol. 48, No. 1, 07.01.2014, p. 811-818.

Research output: Contribution to journalArticle

Levine, Jonathan S. ; Goldberg, David S. ; Lackner, Klaus ; Matter, Juerg M. ; Supp, Michael G. ; Ramakrishnan, T. S. / Relative permeability experiments of carbon dioxide displacing brine and their implications for carbon sequestration. In: Environmental Science and Technology. 2014 ; Vol. 48, No. 1. pp. 811-818.
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