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Dynamic modelling of a UK North Sea saline formation for CO2 sequestration

Watson, F.E.; Mathias, S.A.; Daniels, S.E.; Jones, R.R.; Davies, R.J.; Hedley, B.J.; van Hunen, J.

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F.E. Watson

S.E. Daniels

R.R. Jones

R.J. Davies

B.J. Hedley


Preliminary dynamic modelling, using TOUGH2/ECO2N, has been carried out to assess the suitability of a site in the UK North Sea for sequestering CO2. The potential storage site is a previously unused saline formation within the Permian Rotliegend sandstone. Data regarding the site are limited. Therefore, additional input parameters for the model have been taken from the literature and nearby analogues. The sensitivity of the model to a range of parameters has been tested. Results indicate that the site can sustain an injection rate of around 2.5 Mt a–1 of CO2 for 20 years. The main control on pressure build-up in the model is the permeability of the unit directly beneath the Rotliegend in the location of the proposed storage site. The plume diameter is primarily controlled by the porosity and permeability of the site. A comparison between static, analytical and dynamic modelling highlights the advantages of dynamic modelling for a study such as this. Further data collection and modelling are required to improve predictions of pressure build-up and CO2 migration. Despite uncertainties in the input data, the use of a full three-dimensional (3D) numerical simulation has been extremely useful for identifying and prioritizing factors that need further investigation.


Watson, F., Mathias, S., Daniels, S., Jones, R., Davies, R., Hedley, B., & van Hunen, J. (2014). Dynamic modelling of a UK North Sea saline formation for CO2 sequestration. Petroleum Geoscience, 20(2), 169-185.

Journal Article Type Article
Acceptance Date Oct 20, 2013
Online Publication Date Feb 25, 2014
Publication Date May 1, 2014
Deposit Date May 7, 2014
Publicly Available Date Jul 4, 2014
Journal Petroleum Geoscience
Print ISSN 1354-0793
Publisher European Association of Geoscientists and Engineers (EAGE)
Peer Reviewed Peer Reviewed
Volume 20
Issue 2
Pages 169-185


Accepted Journal Article (938 Kb)

Copyright Statement
Accepted for publication in Petroleum Science as of 25 February 2014.

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