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The AAPG/Datapages Combined Publications Database
AAPG Special Volumes
Abstract
Xu, J. Q., G. Weir, L. Patterson, and S. Sharma,
DOI:10.1306/13171253St593389
2009 by The American Association of Petroleum Geologists.
Reservoir Engineering Aspects in Site Characterization, Short-Term Modeling, and Long-Term Fate of CO2 in Carbon Dioxide Geosequestration
Josh Qiang Xu,1 Geoff Weir,2 Lincoln Paterson,3 Sandeep Sharma4
1Cooperative Research Centre for Greenhouse Gas Technologies, Curtin University of Technology, Perth, Western Australia, Australia
2Cooperative Research Centre for Greenhouse Gas Technologies, Curtin University of Technology, Perth, Western Australia, Australia
3Cooperative Research Centre for Greenhouse Gas Technologies, Commonwealth Scientific and Industrial Research Organisation Petroleum, Victoria, Australia
4Cooperative Research Centre for Greenhouse Gas Technologies, Schlumberger Oilfield Australia, Perth, Australia
ABSTRACT
Reservoir engineering is an important factor in the planning and execution of a CO2 sequestration project. Site characterization concerns issues such as the integrity of the top seal, the depth of the storage formation, the storage capacity, and the use of history matching in depleted oil and gas reservoirs. Numerical modeling of the CO2 injection and migration helps in the design of the injection plan, predicting the CO2 migration path, determining the amount of CO2 that can be safely injected, and performing risk assessment. In the long term, various trapping mechanisms are involved in securing the CO2 in place.
We briefly review related studies in these areas, present some results of the reservoir engineering modeling work of a pilot project, and use generic models to illustrate the concepts, approaches, and considerations in reservoir engineering aspects in CO2 sequestration processes.
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