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Analytical modelling of CO2 sequestration in saline aquifers
Date
2004-01-01
Author
Dirik, I.
Altintas, A.
Bulbul, S.
Gümrah, Fevzi
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© Canadian International Petroleum Conference 2004, CIPC 2004.All Rights Reserved.A modeling of CO2 sequestration in aquifers from an analytical point of view was studied. The driving force behind this work is based on a description of a model that analyzes the mechanisms of supercritical CO2 disposal in aquifers. The CO2 presence was analyzed from two different aspects, as gas bubble formation and as dissolution in brine. In our model, for the determination of the pressure distribution in the gas bubble, a constant injection rate was taken into consideration. With the formation of the gas bubble, the gravitational effects cause the CO2 to raise and accumulate under the caprock. For this accumulation process a maximum bubble thickness was determined to avoid leakage through the fractures in the caprock. For the CO2 that is in the dissolved phase in the aquifer, the salinity calculations were taken into consideration. One effect of salinity was that it causes an increase in brine viscosity resulting in a decrease in sweep efficiency.
URI
https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84876241462&origin=inward
https://hdl.handle.net/11511/98906
Conference Name
5th Canadian International Petroleum Conference 2004, CIPC 2004
Collections
Department of Petroleum and Natural Gas Engineering, Conference / Seminar
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I. Dirik, A. Altintas, S. Bulbul, and F. Gümrah, “Analytical modelling of CO2 sequestration in saline aquifers,” presented at the 5th Canadian International Petroleum Conference 2004, CIPC 2004, Calgary, Amerika Birleşik Devletleri, 2004, Accessed: 00, 2022. [Online]. Available: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84876241462&origin=inward.