Journal
GHGT-11
Volume 37, Issue -, Pages 6140-6148Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.egypro.2013.06.543
Keywords
Residual trapping; dissolution trapping; field measurement; CO2CRC Otway Project
Funding
- Australian Government through CRC Program
- Australian National Low Emissions Coal Research and Development (ANLEC RD)
- Australian Coal Association Low Emissions Technology Limited
- Australian Government through Clean Energy Initiative
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Residual and dissolution trapping are important mechanisms for secure geological storage of carbon dioxide. When appraising a potential site, it is desirable to have accurate field-scale estimates of the proportion of trapping by these mechanisms. For this purpose a short single-well test has been conceived that could be implemented before large-scale injection. To test this concept in the field, a residual saturation and dissolution test sequence was conducted at the CO2CRC (Away site during 2011. The test involved injection of 150 tonnes of pure carbon dioxide followed by 454 tonnes of formation water to drive the carbon dioxide to residual saturation. A variety of methods for measuring saturation were applied to the injection zone so the results could be compared. Here we provide an overview of the field-test sequence and the measurement methods. (C) 2013 The Authors. Published by Elsevier Ltd. Open access under CC BY-NC-ND license,
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