CO 2 relative permeability data

Very few laboratory experiments have been published on CO2 -Brine systems, and for

the study purposes, I’ve collected as much CO2 – Brine relative permeabilities as

possible and classified them in Appendix A.

Some researchers conducted experiments to measure relative permeability for CO2-

Brine system at in-situ conditions. They used core samples filled with brine. CO2 had

been injected firstly to get CO2 relative permeability curves (drainage); after that, brine

was re-injected to generate brine relative permeability (imbibition). The conducted experiments are as follows:

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a) “Bennion and Bachu (2005), Bennion and Bachu (2006a), Bennion and Bachu (2006c), Bennion and Bachu (2007), Bachu and Bennion (2008), Bennion and Bachu (2008a), Bennion and Bachu (2008b), Bennion and Bachu (2010), Bennion and Bachu (2006b) used sandstone and carbonate rock samples obtained from different formations in Wabamun Lake area in Alberta (Alberta basin, part of the Western Canada Sedimentary Basin), southwest of Edmonton western Canda.”

b) “Perrin and Benson (2010) measured, at reservoir conditions, the relative permeabilities of CO2 -Brine system using Berea sandstone rock2 and Otway

sandstone sample from CO2CRC- Otway project, Australia.”

c) “Krevor et al. (2012) used Berea sandstone samples in addition to three sandstone core plugs from different formations; one from the Paaratte formation in Southern Australia, and Mt. Simon sandstone in Illinois; the third one from Tuscaloosa massive sand in Alabama.”

d) “Akbarabadi and Piri (2013) conducted relative permeability experiments on CO2 -Brine system at reservoir conditions over both of Berea sandstone rock

samples.”

The data collected (from the above studies) are tabled in the (appendix A).

2

Core samples of sedimentary rock have been widely recognized by the petroleum industry, usually are being used to make comparisons with other studies conducted on different - source sandstone samples.

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“BACHU, S. & BENNION, B. 2008. Effects of in-situ conditions on relative permeability characteristics of CO2-brine systems. Environmental Geology, 54, 1707-1722.”

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