Source: Dan Hawkes
In geologic carbon sequestration, reliable predictions of CO2 storage
require understanding the capillary behavior of supercritical (sc) CO2.
Simulations of CO2 sequestration commonly rely on modifying more
familiar air/H2O and oil/H2O Pc(Sw) relations, adjusted to account for
differences in interfacial tensions. To test such
capillary-scaling-based predictions, ESD’s Tetsu Tokunaga and his
investigative team (including ESD’s Jiamin Wong, Jong-Won Jung, Tae Wook
Kim, Youngman Kim, and Wenming Dong) developed a high pressure Pc(Sw)
controller/meter, allowing accurate Pc and Sw measurements.
This work was performed at the Lawrence Berkeley National Laboratory
in support of the Center for Nanoscale Control of Geologic CO2, an
Energy Frontier Research Center, funded by the U.S. Department of Energy
(DOE), Office of Science, Office of Basic Energy Sciences under
For more information, go to: http://onlinelibrary.wiley.com/doi/10.1002/wrcr.20316/full
Citation: Tokunaga, T.K., J. Wan, J.-W. Jung, T. W. Kim, Y. Kim, and
W. Dong (2013), Capillary pressure and saturation relations for
supercritical CO2, and brine in sand: High-pressure Pc(Sw)
controller/meter measurements and capillary scaling predictions. Water
Resources Research, 49, 1–14; DOI: 10.1002/wrcr20316.
Funding: BES (NCGC-EFRC), FE (ZERT), NRAP