The role of heterogeneity in CO2 storage in a depleted gas field: history matching of simulation models to field data for the CO2CRC Otway Project, Australia

Ennis-King, J., Dance, T., Xu, J., Boreham, C., Freifeld, B., Jenkins, C., Paterson, L., Sharma, S., Stalker, L. and Underschultz, J. (2011). The role of heterogeneity in CO2 storage in a depleted gas field: history matching of simulation models to field data for the CO2CRC Otway Project, Australia. In: 10Th International Conference On Greenhouse Gas Control Technologies. 10th International Conference on Greenhouse Gas Control Technologies, Amsterdam, The Netherlands, (3494-3501). 19 -23 September 2010. doi:10.1016/j.egypro.2011.02.276


Author Ennis-King, J.
Dance, T.
Xu, J.
Boreham, C.
Freifeld, B.
Jenkins, C.
Paterson, L.
Sharma, S.
Stalker, L.
Underschultz, J.
Title of paper The role of heterogeneity in CO2 storage in a depleted gas field: history matching of simulation models to field data for the CO2CRC Otway Project, Australia
Conference name 10th International Conference on Greenhouse Gas Control Technologies
Conference location Amsterdam, The Netherlands
Conference dates 19 -23 September 2010
Proceedings title 10Th International Conference On Greenhouse Gas Control Technologies   Check publisher's open access policy
Journal name Energy Procedia   Check publisher's open access policy
Place of Publication Amsterdam, The Netherlands
Publisher Elsevier BV
Publication Year 2011
Year available 2011
Sub-type Fully published paper
DOI 10.1016/j.egypro.2011.02.276
Open Access Status DOI
ISSN 1876-6102
Volume 4
Start page 3494
End page 3501
Total pages 8
Language eng
Formatted Abstract/Summary
 The first stage of the CO2CRC Otway Project, located in south-eastern Australia, has stored 65,445 tonnes of CO2-rich gas in the depleted Naylor Gas Field. Comparisons have been made between simulations using the non-isothermal multi-phase flow simulator TOUGH2/EOS7C and the accumulated field data up to and beyond the end of injection. The geological models and the derived simulation models have been able to fit most of the key features of the field data, including the downhole pressure measurements and the arrival time at the observation well. When fitting to the downhole pressure only, the observed arrival time was in the range of uncertainty of the model predictions. The use of multiple geostatistical realisations of heterogeneity demonstrates the importance of capturing the range of uncertainty in the geology and the consequent scatter in forward predictions. Thus the storage of CO2 in the Naylor depleted gas field is shown to be adequately modelled by numerical simulation, and this increases confidence in the suitability of similar depleted gas fields for underground storage.
Keyword Geological storage
Depleted gas field
Tracers
Heterogeneity
History match
Q-Index Code E1
Q-Index Status Provisional Code
Institutional Status Non-UQ

Document type: Conference Paper
Collection: Sustainable Minerals Institute Publications
 
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